Analysis Report Proforma Invoice.exe
Overview
General Information
Detection
Score: | 84 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
Startup |
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Malware Configuration |
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No configs have been found |
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Yara Overview |
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Memory Dumps |
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Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_VB6DownloaderGeneric | Yara detected VB6 Downloader Generic | Joe Security | ||
JoeSecurity_GuLoader | Yara detected GuLoader | Joe Security |
Sigma Overview |
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No Sigma rule has matched |
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Signature Overview |
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Click to jump to signature section
AV Detection: |
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Multi AV Scanner detection for submitted file | Show sources |
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Compliance: |
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Uses 32bit PE files | Show sources |
Source: | Static PE information: |
System Summary: |
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Executable has a suspicious name (potential lure to open the executable) | Show sources |
Source: | Static file information: |
Initial sample is a PE file and has a suspicious name | Show sources |
Source: | Static PE information: |
Source: | Process Stats: |
Source: | Code function: | 0_2_021F76CF |
Source: | Code function: | 0_2_0040326F | |
Source: | Code function: | 0_2_00403424 | |
Source: | Code function: | 0_2_004033DF | |
Source: | Code function: | 0_2_00403383 | |
Source: | Code function: | 0_2_004033AF |
Source: | Static PE information: |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
Source: | Static PE information: |
Source: | Classification label: |
Source: | File created: | Jump to behavior |
Source: | Static PE information: |
Source: | Section loaded: | Jump to behavior |
Source: | Key opened: | Jump to behavior |
Source: | Virustotal: | ||
Source: | ReversingLabs: |
Data Obfuscation: |
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Yara detected GuLoader | Show sources |
Source: | File source: |
Yara detected VB6 Downloader Generic | Show sources |
Source: | File source: |
Source: | Code function: | 0_2_00407A12 | |
Source: | Code function: | 0_2_00404294 | |
Source: | Code function: | 0_2_00407361 | |
Source: | Code function: | 0_2_021F6EF2 | |
Source: | Code function: | 0_2_021F4AE7 | |
Source: | Code function: | 0_2_021F576E | |
Source: | Code function: | 0_2_021F0F9F | |
Source: | Code function: | 0_2_021F0F9F | |
Source: | Code function: | 0_2_021F0FC4 | |
Source: | Code function: | 0_2_021F49C8 |
Source: | Process information set: | Jump to behavior |
Malware Analysis System Evasion: |
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Contains functionality to detect hardware virtualization (CPUID execution measurement) | Show sources |
Source: | Code function: | 0_2_021F1850 |
Detected RDTSC dummy instruction sequence (likely for instruction hammering) | Show sources |
Source: | RDTSC instruction interceptor: |
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) | Show sources |
Source: | Binary or memory string: |
Tries to detect virtualization through RDTSC time measurements | Show sources |
Source: | RDTSC instruction interceptor: | ||
Source: | RDTSC instruction interceptor: |
Source: | Code function: | 0_2_021F1A1F |
Source: | Binary or memory string: |
Source: | Code function: | 0_2_021F1A1F |
Source: | Code function: | 0_2_021F6006 | |
Source: | Code function: | 0_2_021F5A78 | |
Source: | Code function: | 0_2_021F34AA | |
Source: | Code function: | 0_2_021F34A8 | |
Source: | Code function: | 0_2_021F2519 | |
Source: | Code function: | 0_2_021F2571 |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
Source: | Code function: | 0_2_021F2BD8 |
Mitre Att&ck Matrix |
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Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Exfiltration | Command and Control | Network Effects | Remote Service Effects | Impact |
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Valid Accounts | Windows Management Instrumentation | Path Interception | Process Injection1 | Process Injection1 | OS Credential Dumping | Security Software Discovery411 | Remote Services | Archive Collected Data1 | Exfiltration Over Other Network Medium | Encrypted Channel1 | Eavesdrop on Insecure Network Communication | Remotely Track Device Without Authorization | Modify System Partition |
Default Accounts | Scheduled Task/Job | Boot or Logon Initialization Scripts | Boot or Logon Initialization Scripts | Obfuscated Files or Information1 | LSASS Memory | Process Discovery1 | Remote Desktop Protocol | Data from Removable Media | Exfiltration Over Bluetooth | Junk Data | Exploit SS7 to Redirect Phone Calls/SMS | Remotely Wipe Data Without Authorization | Device Lockout |
Domain Accounts | At (Linux) | Logon Script (Windows) | Logon Script (Windows) | Obfuscated Files or Information | Security Account Manager | System Information Discovery311 | SMB/Windows Admin Shares | Data from Network Shared Drive | Automated Exfiltration | Steganography | Exploit SS7 to Track Device Location | Obtain Device Cloud Backups | Delete Device Data |
Behavior Graph |
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Screenshots |
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Thumbnails
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Antivirus, Machine Learning and Genetic Malware Detection |
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Initial Sample |
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Source | Detection | Scanner | Label | Link |
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34% | Virustotal | Browse | ||
20% | ReversingLabs | Win32.Trojan.Generic |
Dropped Files |
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No Antivirus matches |
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Unpacked PE Files |
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No Antivirus matches |
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Domains |
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No Antivirus matches |
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URLs |
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No Antivirus matches |
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Domains and IPs |
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General Information |
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Joe Sandbox Version: | 31.0.0 Red Diamond |
Analysis ID: | 343196 |
Start date: | 22.01.2021 |
Start time: | 14:49:45 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 11m 42s |
Hypervisor based Inspection enabled: | false |
Report type: | full |
Sample file name: | Proforma Invoice.exe |
Cookbook file name: | default.jbs |
Analysis system description: | Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211 |
Number of analysed new started processes analysed: | 39 |
Number of new started drivers analysed: | 0 |
Number of existing processes analysed: | 0 |
Number of existing drivers analysed: | 0 |
Number of injected processes analysed: | 0 |
Technologies: |
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Analysis Mode: | default |
Analysis stop reason: | Timeout |
Detection: | MAL |
Classification: | mal84.troj.evad.winEXE@1/0@0/0 |
EGA Information: | Failed |
HDC Information: |
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HCA Information: | Failed |
Cookbook Comments: |
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Warnings: | Show All
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Simulations |
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Behavior and APIs |
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No simulations |
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Joe Sandbox View / Context |
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Created / dropped Files |
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No created / dropped files found |
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Static File Info |
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General | |
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File type: | |
Entropy (8bit): | 5.766612306860119 |
TrID: |
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File name: | Proforma Invoice.exe |
File size: | 69632 |
MD5: | 6479f35608769db340640d6a8f84a38d |
SHA1: | 1ffc79fde43e746e826f32a018e02a65fc51602e |
SHA256: | e97a63a8f54270ace4969870597c7642bbdb31fc6d5d1972d412edaf4fccd80e |
SHA512: | cab95cae43799faaec6d612e4f63d363629506dd5973513e29870e0d81e1a3a99adc86696d320ffaeeff5cc23b6f6491cbe30052a3eff9afd303227db113054f |
SSDEEP: | 768:IxdbBehQZF4bp4kbKR80KQWfD5HDm0L5g5eucI1hzRU66t:6dde0F4bekepUrZi0O5FcI1hzR+ |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$........#...B...B...B..L^...B...`...B...d...B..Rich.B..........PE..L......S.....................0......T.............@................ |
File Icon |
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Icon Hash: | f030f0c6f030b100 |
Static PE Info |
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General | |
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Entrypoint: | 0x401354 |
Entrypoint Section: | .text |
Digitally signed: | false |
Imagebase: | 0x400000 |
Subsystem: | windows gui |
Image File Characteristics: | LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED |
DLL Characteristics: | |
Time Stamp: | 0x530B1A94 [Mon Feb 24 10:10:28 2014 UTC] |
TLS Callbacks: | |
CLR (.Net) Version: | |
OS Version Major: | 4 |
OS Version Minor: | 0 |
File Version Major: | 4 |
File Version Minor: | 0 |
Subsystem Version Major: | 4 |
Subsystem Version Minor: | 0 |
Import Hash: | e22238527efb5691a1dfa3f0e707406a |
Entrypoint Preview |
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Instruction |
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push 00401FECh |
call 00007FD3307D24E5h |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
xor byte ptr [eax], al |
add byte ptr [eax], al |
inc eax |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add dh, cl |
in al, dx |
add edx, dword ptr [ebx+42150DA1h] |
cmpsd |
xchg eax, ecx |
aas |
test eax, CAE2F407h |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add dword ptr [eax], eax |
add byte ptr [eax], al |
inc ecx |
add byte ptr [esi+50018250h], al |
jc 00007FD3307D2561h |
push 00000065h |
arpl word ptr [ecx+esi+00h], si |
add byte ptr [eax], al |
add byte ptr [ecx+edi-01h], bl |
add al, byte ptr [eax] |
add byte ptr [eax], al |
add bh, bh |
int3 |
xor dword ptr [eax], eax |
add al, 93h |
sub eax, 444FEB34h |
or dword ptr [edi-6Fh], ecx |
add dword ptr [ebx-03792E85h], esp |
adc dword ptr [ecx], ebp |
sti |
mov edx, BC44A82Ah |
inc ecx |
adc al, 0000002Fh |
lahf |
aad 16h |
aad CCh |
cmp cl, byte ptr [edi-53h] |
xor ebx, dword ptr [ecx-48EE309Ah] |
or al, 00h |
stosb |
add byte ptr [eax-2Dh], ah |
xchg eax, ebx |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
in al, 0Bh |
add byte ptr [eax], al |
dec eax |
or eax, dword ptr [eax] |
add byte ptr [eax], al |
or dword ptr [eax], eax |
insb |
popad |
jnc 00007FD3307D2566h |
imul esi, dword ptr [ebx+6Bh], 010D0065h |
sldt word ptr [esi+69h] |
jc 00007FD3307D2557h |
je 00007FD3307D24F3h |
Data Directories |
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Name | Virtual Address | Virtual Size | Is in Section |
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IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0xe9f4 | 0x28 | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x11000 | 0x930 | .rsrc |
IMAGE_DIRECTORY_ENTRY_EXCEPTION | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_SECURITY | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BASERELOC | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_DEBUG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COPYRIGHT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_GLOBALPTR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_TLS | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT | 0x228 | 0x20 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0x1000 | 0xfc | .text |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
Sections |
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Name | Virtual Address | Virtual Size | Raw Size | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
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.text | 0x1000 | 0xde48 | 0xe000 | False | 0.533761160714 | data | 6.42243762415 | IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ |
.data | 0xf000 | 0x1180 | 0x1000 | False | 0.00634765625 | data | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ |
.rsrc | 0x11000 | 0x930 | 0x1000 | False | 0.140625 | data | 1.4231462793 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
Resources |
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Name | RVA | Size | Type | Language | Country |
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RT_ICON | 0x113c8 | 0x568 | GLS_BINARY_LSB_FIRST | ||
RT_GROUP_ICON | 0x113b4 | 0x14 | data | ||
RT_VERSION | 0x110f0 | 0x2c4 | data | Chinese | Taiwan |
Imports |
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DLL | Import |
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MSVBVM60.DLL | _CIcos, _adj_fptan, __vbaFreeVar, __vbaLenBstr, __vbaEnd, __vbaFreeVarList, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaStrCat, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaVarForInit, __vbaObjSet, _adj_fdiv_m16i, _adj_fdivr_m16i, __vbaVarTstLt, __vbaFpR8, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, __vbaStrCmp, _adj_fpatan, __vbaLateIdCallLd, EVENT_SINK_Release, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, _CIlog, __vbaNew2, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, __vbaFreeStrList, _adj_fdivr_m32, _adj_fdiv_r, __vbaI4Var, __vbaVarDup, __vbaFpI4, _CIatan, __vbaCastObj, __vbaStrMove, _allmul, _CItan, __vbaVarForNext, _CIexp, __vbaFreeStr, __vbaFreeObj |
Version Infos |
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Description | Data |
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Translation | 0x0404 0x04b0 |
LegalCopyright | Calc Theory |
InternalName | ABJOINT |
FileVersion | 1.00 |
CompanyName | Calc Theory |
Comments | Calc Theory |
ProductName | Calc Theory |
ProductVersion | 1.00 |
FileDescription | Calc Theory |
OriginalFilename | ABJOINT.exe |
Possible Origin |
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Language of compilation system | Country where language is spoken | Map |
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Chinese | Taiwan |
Network Behavior |
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No network behavior found |
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Code Manipulations |
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Statistics |
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CPU Usage |
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Click to jump to process
Memory Usage |
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Click to jump to process
System Behavior |
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General |
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Start time: | 14:50:35 |
Start date: | 22/01/2021 |
Path: | C:\Users\user\Desktop\Proforma Invoice.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x400000 |
File size: | 69632 bytes |
MD5 hash: | 6479F35608769DB340640D6A8F84A38D |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | Visual Basic |
Reputation: | low |
Disassembly |
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Code Analysis |
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Executed Functions |
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APIs |
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Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
APIs |
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Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 00403383, Relevance: 1.5, APIs: 1, Instructions: 272COMMON
Memory Dump Source |
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Uniqueness |
Uniqueness Score: -1.00% |
APIs |
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Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
APIs |
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Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040D7C4, Relevance: 105.6, APIs: 56, Strings: 4, Instructions: 592COMMON
C-Code - Quality: 60% |
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Memory Dump Source |
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Uniqueness |
Uniqueness Score: -1.00% |
C-Code - Quality: 91% |
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Memory Dump Source |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 00403475, Relevance: 1.5, APIs: 1, Instructions: 215COMMON
Memory Dump Source |
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Uniqueness |
Uniqueness Score: -1.00% |
APIs |
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Memory Dump Source |
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Uniqueness |
Uniqueness Score: -1.00% |
APIs |
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Memory Dump Source |
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Uniqueness |
Uniqueness Score: -1.00% |
APIs |
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Memory Dump Source |
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Uniqueness |
Uniqueness Score: -1.00% |
APIs |
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Memory Dump Source |
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Uniqueness |
Uniqueness Score: -1.00% |
Non-executed Functions |
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Function 021F2519, Relevance: .1, Instructions: 147COMMON
Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 021F2571, Relevance: .1, Instructions: 111COMMON
Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 021F1850, Relevance: .1, Instructions: 62COMMON
Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 021F6006, Relevance: .0, Instructions: 33COMMON
Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 021F34AA, Relevance: .0, Instructions: 33COMMON
Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 021F1A1F, Relevance: .0, Instructions: 28COMMON
Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 021F34A8, Relevance: .0, Instructions: 10COMMON
Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 021F2BD8, Relevance: .0, Instructions: 8COMMON
Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 021F5A78, Relevance: .0, Instructions: 6COMMON
Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 021F76CF, Relevance: .0, Instructions: 3COMMON
Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
C-Code - Quality: 51% |
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APIs |
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Strings |
Memory Dump Source |
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Uniqueness |
Uniqueness Score: -1.00% |
C-Code - Quality: 68% |
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APIs |
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Strings |
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Memory Dump Source |
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Uniqueness |
Uniqueness Score: -1.00% |
C-Code - Quality: 49% |
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Memory Dump Source |
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Uniqueness |
Uniqueness Score: -1.00% |
C-Code - Quality: 59% |
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Memory Dump Source |
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Uniqueness |
Uniqueness Score: -1.00% |
C-Code - Quality: 71% |
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APIs |
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Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040E20C, Relevance: 9.1, APIs: 6, Instructions: 81COMMON
C-Code - Quality: 53% |
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APIs |
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Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040E42B, Relevance: 7.6, APIs: 5, Instructions: 65COMMON
C-Code - Quality: 49% |
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APIs |
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Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040E51A, Relevance: 7.5, APIs: 5, Instructions: 34COMMON
C-Code - Quality: 77% |
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APIs |
Memory Dump Source |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |