Analysis Report 15790_Invoice_confirmation.exe
Overview
General Information
Sample Name: | 15790_Invoice_confirmation.exe |
Analysis ID: | 337718 |
MD5: | 9090a8a77646971374cea3112aa3beed |
SHA1: | bfd3e70ce4230d04e97a9ed394bfabf287a5bfe7 |
SHA256: | c4e0e2bc76880e6144bbc96ad64e55bd10f6f66805ccfd5a86c36182201372eb |
Tags: | exeGuLoader |
Most interesting Screenshot: | |
Errors
|
Detection
Score: | 80 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
Startup |
---|
|
Malware Configuration |
---|
No configs have been found |
---|
Yara Overview |
---|
Memory Dumps |
---|
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_VB6DownloaderGeneric | Yara detected VB6 Downloader Generic | Joe Security | ||
JoeSecurity_GuLoader | Yara detected GuLoader | Joe Security |
Sigma Overview |
---|
No Sigma rule has matched |
---|
Signature Overview |
---|
Click to jump to signature section
Source: | Static PE information: |
Source: | Binary or memory string: |
System Summary: |
---|
Potential malicious icon found | Show sources |
Source: | Icon embedded in PE file: |
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: |
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: | Static PE information: |
Source: | Section loaded: |
Source: | Key opened: |
Data Obfuscation: |
---|
Yara detected GuLoader | Show sources |
Source: | File source: |
Yara detected VB6 Downloader Generic | Show sources |
Source: | File source: |
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: |
Source: | Process information set: | ||
Source: | Process information set: | ||
Source: | Process information set: | ||
Source: | Process information set: | ||
Source: | Process information set: |
Malware Analysis System Evasion: |
---|
Detected RDTSC dummy instruction sequence (likely for instruction hammering) | Show sources |
Source: | RDTSC instruction interceptor: | ||
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: |
Source: | Binary or memory string: |
Source: | Code function: |
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: | ||
Source: | Code function: |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
Mitre Att&ck Matrix |
---|
Initial Access | Execution | Persistence | Privilege Escalation | Defense Evasion | Credential Access | Discovery | Lateral Movement | Collection | Exfiltration | Command and Control | Network Effects | Remote Service Effects | Impact |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Valid Accounts | Windows Management Instrumentation | Path Interception | Process Injection1 | Process Injection1 | Input Capture1 | Security Software Discovery311 | Remote Services | Input Capture1 | 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 | Archive Collected Data1 | 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 Discovery21 | 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 |
---|
Screenshots |
---|
Thumbnails
This section contains all screenshots as thumbnails, including those not shown in the slideshow.
Antivirus, Machine Learning and Genetic Malware Detection |
---|
Initial Sample |
---|
No Antivirus matches |
---|
Dropped Files |
---|
No Antivirus matches |
---|
Unpacked PE Files |
---|
No Antivirus matches |
---|
Domains |
---|
No Antivirus matches |
---|
URLs |
---|
No Antivirus matches |
---|
Domains and IPs |
---|
General Information |
---|
Joe Sandbox Version: | 31.0.0 Red Diamond |
Analysis ID: | 337718 |
Start date: | 09.01.2021 |
Start time: | 18:25:13 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 8m 34s |
Hypervisor based Inspection enabled: | false |
Report type: | light |
Sample file name: | 15790_Invoice_confirmation.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: | 21 |
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: |
|
Analysis Mode: | default |
Analysis stop reason: | Timeout |
Detection: | MAL |
Classification: | mal80.rans.troj.evad.winEXE@1/0@0/0 |
EGA Information: | Failed |
HDC Information: |
|
HCA Information: | Failed |
Cookbook Comments: |
|
Warnings: | Show All
|
Errors: |
|
Simulations |
---|
Behavior and APIs |
---|
No simulations |
---|
Joe Sandbox View / Context |
---|
Created / dropped Files |
---|
No created / dropped files found |
---|
Static File Info |
---|
General | |
---|---|
File type: | |
Entropy (8bit): | 5.6192694969709684 |
TrID: |
|
File name: | 15790_Invoice_confirmation.exe |
File size: | 94208 |
MD5: | 9090a8a77646971374cea3112aa3beed |
SHA1: | bfd3e70ce4230d04e97a9ed394bfabf287a5bfe7 |
SHA256: | c4e0e2bc76880e6144bbc96ad64e55bd10f6f66805ccfd5a86c36182201372eb |
SHA512: | 297232d4bb6e1fb1f1b31b1ce499e7d25d4eb400e7a69491d279f48736ebba8b57a53dbde9248f21dd8f75af3f004a62969cc1ed3d4f6e41956aebba15820917 |
SSDEEP: | 1536:Z2euZu4vhLo8gE961bsy+wHVVQ5C6eUwoJXxLC:7nKo8+bnYwoJI |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$........6...W...W...W...K...W...u...W...q...W..Rich.W..........................PE..L...C.._.................@...0...............P....@ |
File Icon |
---|
Icon Hash: | 20047c7c70f0e004 |
Static PE Info |
---|
General | |
---|---|
Entrypoint: | 0x401600 |
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: | 0x5FF99543 [Sat Jan 9 11:36:35 2021 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: | 690ed9eee3aab240a93936dee17050b4 |
Entrypoint Preview |
---|
Instruction |
---|
push 00401C6Ch |
call 00007F9CE891F715h |
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 |
cmp byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
mov ebp, 2B6E7B28h |
or byte ptr [edi+574CAF4Dh], FFFFFFE4h |
shr ecx, cl |
add al, dh |
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 |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
insd |
outsd |
jnc 00007F9CE891F78Eh |
insd |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
dec esp |
xor dword ptr [eax], eax |
sbb dword ptr [ebp+ebp*4+558C22ABh], esp |
arpl word ptr [ecx+eax*4+2Ch], cx |
cwde |
add dword ptr [ecx+2898F8DDh], esp |
jnl 00007F9CE891F6F1h |
daa |
imul ebx, dword ptr [ebp-7Ah], 4Ah |
mov dword ptr [ebx+60067F19h], edx |
xchg eax, ebx |
push 33AD4F3Ah |
cdq |
iretw |
adc dword ptr [edi+00AA000Ch], esi |
pushad |
rcl dword ptr [ebx+00000000h], cl |
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 |
cld |
add eax, dword ptr [eax] |
add byte ptr [edx+00h], al |
add byte ptr [eax], al |
add byte ptr [esi], al |
add byte ptr [ebx+6Ch], cl |
popad |
jo 00007F9CE891F794h |
xor eax, dword ptr [eax] |
or eax, 4D000701h |
imul esp, dword ptr [edi+72h], 0032656Eh |
sbb dword ptr [ecx], eax |
add byte ptr [edx+00h], al |
and al, byte ptr [00000724h] |
Data Directories |
---|
Name | Virtual Address | Virtual Size | Is in Section |
---|---|---|---|
IMAGE_DIRECTORY_ENTRY_EXPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_IMPORT | 0x13cd4 | 0x28 | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x17000 | 0x894 | .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 | 0x238 | 0x20 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0x1000 | 0x184 | .text |
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR | 0x0 | 0x0 | |
IMAGE_DIRECTORY_ENTRY_RESERVED | 0x0 | 0x0 |
Sections |
---|
Name | Virtual Address | Virtual Size | Raw Size | Xored PE | ZLIB Complexity | File Type | Entropy | Characteristics |
---|---|---|---|---|---|---|---|---|
.text | 0x1000 | 0x132b8 | 0x14000 | False | 0.400012207031 | data | 6.06818823886 | IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ |
.data | 0x15000 | 0x14b0 | 0x1000 | False | 0.00634765625 | data | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ |
.rsrc | 0x17000 | 0x894 | 0x1000 | False | 0.16015625 | data | 1.85318303523 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ |
Resources |
---|
Name | RVA | Size | Type | Language | Country |
---|---|---|---|---|---|
RT_ICON | 0x17764 | 0x130 | data | ||
RT_ICON | 0x1747c | 0x2e8 | data | ||
RT_ICON | 0x17354 | 0x128 | GLS_BINARY_LSB_FIRST | ||
RT_GROUP_ICON | 0x17324 | 0x30 | data | ||
RT_VERSION | 0x17150 | 0x1d4 | data | Chinese | Taiwan |
Imports |
---|
DLL | Import |
---|---|
MSVBVM60.DLL | _CIcos, _adj_fptan, __vbaHresultCheck, __vbaVarMove, __vbaFreeVar, __vbaLenBstr, __vbaFreeVarList, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaStrCat, __vbaHresultCheckObj, __vbaLenBstrB, _adj_fdiv_m32, __vbaAryDestruct, __vbaLateMemSt, __vbaExitProc, __vbaObjSet, __vbaOnError, _adj_fdiv_m16i, __vbaObjSetAddref, _adj_fdivr_m16i, __vbaFpR8, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, __vbaStrCmp, __vbaVarTstEq, __vbaAryConstruct2, __vbaR4Str, __vbaObjVar, DllFunctionCall, _adj_fpatan, __vbaLateIdCallLd, __vbaRedim, EVENT_SINK_Release, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, __vbaStrVarVal, __vbaDateVar, _CIlog, __vbaFileOpen, __vbaNew2, __vbaInStr, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, __vbaFreeStrList, _adj_fdivr_m32, _adj_fdiv_r, __vbaI4Var, __vbaVarDup, __vbaLateMemCallLd, _CIatan, __vbaStrMove, __vbaUI1Str, _allmul, _CItan, __vbaFPInt, _CIexp, __vbaFreeStr, __vbaFreeObj |
Version Infos |
---|
Description | Data |
---|---|
Translation | 0x0404 0x04b0 |
ProductVersion | 1.00 |
InternalName | klist |
FileVersion | 1.00 |
OriginalFilename | klist.exe |
ProductName | Logaritm |
Possible Origin |
---|
Language of compilation system | Country where language is spoken | Map |
---|---|---|
Chinese | Taiwan |
Network Behavior |
---|
No network behavior found |
---|
Code Manipulations |
---|
Statistics |
---|
System Behavior |
---|
General |
---|
Start time: | 18:26:00 |
Start date: | 09/01/2021 |
Path: | C:\Users\user\Desktop\15790_Invoice_confirmation.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x400000 |
File size: | 94208 bytes |
MD5 hash: | 9090A8A77646971374CEA3112AA3BEED |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | Visual Basic |
Reputation: | low |
Disassembly |
---|
Code Analysis |
---|