Analysis Report EM_B43454933_7621780_573.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 |
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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 |
Compliance: |
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Uses 32bit PE files | Show sources |
Source: | Static PE information: |
System Summary: |
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Potential malicious icon found | Show sources |
Source: | Icon embedded in PE file: |
Source: | Process Stats: |
Source: | Code function: | 0_2_004013B0 |
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: | Jump to behavior |
Source: | Key opened: | Jump to behavior |
Source: | Virustotal: |
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_0040862C | |
Source: | Code function: | 0_2_02911480 | |
Source: | Code function: | 0_2_0291526D | |
Source: | Code function: | 0_2_02913B48 |
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_02914F0A |
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_02912292 |
Source: | Binary or memory string: |
Source: | Code function: | 0_2_02912292 |
Source: | Code function: | 0_2_02912805 | |
Source: | Code function: | 0_2_029145BD | |
Source: | Code function: | 0_2_029149A3 |
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: | ||
Source: | Binary or memory string: |
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 Discovery31 | 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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19% | Virustotal | Browse | ||
4% | ReversingLabs |
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 Emerald |
Analysis ID: | 355935 |
Start date: | 22.02.2021 |
Start time: | 09:40:13 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 11m 45s |
Hypervisor based Inspection enabled: | false |
Report type: | full |
Sample file name: | EM_B43454933_7621780_573.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: | 27 |
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.rans.troj.evad.winEXE@1/0@0/0 |
EGA Information: |
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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): | 5.299619096557311 |
TrID: |
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File name: | EM_B43454933_7621780_573.exe |
File size: | 65536 |
MD5: | b679e85b64a7b5851f0abc9d69740978 |
SHA1: | 7c103c70859b5d708ae5ff82a65a67b71272df4d |
SHA256: | a1677b7e54a0d67b9b16d0a0835187b889db434d77d8a8f3f7714a86b01a27db |
SHA512: | e40a30142c8d1232ae9157c588b26d4e0613ea01ec7636e9c68fcf72c78a4b8815325f4fd0fda6271d7c3845424bcf59b8671f4b7fb02b1ba595aba67d37aaed |
SSDEEP: | 768:X4vJqG24/Fh5pe7zWjlZnn6/fEApUHH9mCCg3YYP35R7jgVCm:oxqaF3pe7zWG0nHHtCgoW3f6 |
File Content Preview: | MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.........+O..E...E...E.X.K...E...L...E...H...E.Rich..E.................PE..L......G.....................0....................@........ |
File Icon |
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Icon Hash: | 20047c7c70f0e004 |
Static PE Info |
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General | |
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Entrypoint: | 0x4013b0 |
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: | 0x478A979E [Sun Jan 13 22:58:38 2008 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: | e040c8c04f7f9a83c53d48451cf696fa |
Entrypoint Preview |
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Instruction |
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push 00401A50h |
call 00007F409098EB93h |
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 byte ptr [esi+1CA7EB43h], dh |
xchg eax, esp |
jo 00007F409098EBEBh |
mov edi, 6EEA2FE3h |
add dword ptr [edi+0000006Ah], edi |
add byte ptr [eax], al |
add byte ptr [ecx], al |
add byte ptr [eax], al |
add byte ptr [edx+00h], al |
push es |
push eax |
add dword ptr [ecx], 54h |
jc 00007F409098EC03h |
je 00007F409098EC08h |
xor eax, dword ptr fs:[eax] |
add byte ptr [eax], al |
add ah, ah |
sub dl, byte ptr [00000003h] |
add bh, bh |
int3 |
xor dword ptr [eax], eax |
pop es |
jp 00007F409098EBE5h |
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 | 0xcee4 | 0x28 | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x10000 | 0x9cc | .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 | 0x230 | 0x20 | |
IMAGE_DIRECTORY_ENTRY_IAT | 0x1000 | 0xf8 | .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 | 0xc368 | 0xd000 | False | 0.458646334135 | data | 5.98020239152 | IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ |
.data | 0xe000 | 0x1958 | 0x1000 | False | 0.00634765625 | data | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ |
.rsrc | 0x10000 | 0x9cc | 0x1000 | False | 0.182373046875 | data | 2.14952458859 | 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 | 0x1089c | 0x130 | data | ||
RT_ICON | 0x105b4 | 0x2e8 | data | ||
RT_ICON | 0x1048c | 0x128 | GLS_BINARY_LSB_FIRST | ||
RT_GROUP_ICON | 0x1045c | 0x30 | data | ||
RT_VERSION | 0x10150 | 0x30c | data | Hungarian | Hungary |
Imports |
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DLL | Import |
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MSVBVM60.DLL | _CIcos, _adj_fptan, __vbaVarMove, __vbaFreeVar, __vbaFreeVarList, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaLateMemSt, __vbaObjSet, _adj_fdiv_m16i, __vbaObjSetAddref, _adj_fdivr_m16i, __vbaCyStr, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, __vbaStrCmp, __vbaVarTstEq, __vbaObjVar, _adj_fpatan, __vbaLateIdCallLd, EVENT_SINK_Release, _CIsqrt, EVENT_SINK_QueryInterface, __vbaFpCmpCy, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, _CIlog, __vbaErrorOverflow, __vbaNew2, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaFreeStrList, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaI4Var, __vbaVarAdd, __vbaVarDup, __vbaFpI4, __vbaLateMemCallLd, _CIatan, __vbaStrMove, _allmul, _CItan, _CIexp, __vbaFreeObj, __vbaFreeStr |
Version Infos |
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Description | Data |
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Translation | 0x040e 0x04b0 |
LegalCopyright | Copyright (C) Tulix |
InternalName | Naticahartko |
FileVersion | 1.00 |
CompanyName | Tulix |
LegalTrademarks | Copyright (C) Tulix |
Comments | Tulix |
ProductName | Tulix |
ProductVersion | 1.00 |
FileDescription | Tulix |
OriginalFilename | Naticahartko.exe |
Possible Origin |
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Language of compilation system | Country where language is spoken | Map |
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Hungarian | Hungary |
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: | 09:41:04 |
Start date: | 22/02/2021 |
Path: | C:\Users\user\Desktop\EM_B43454933_7621780_573.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x400000 |
File size: | 65536 bytes |
MD5 hash: | B679E85B64A7B5851F0ABC9D69740978 |
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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Execution Graph |
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Execution Coverage: | 5.2% |
Dynamic/Decrypted Code Coverage: | 1.5% |
Signature Coverage: | 1.3% |
Total number of Nodes: | 392 |
Total number of Limit Nodes: | 27 |
Graph
Executed Functions |
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Function 004013B0, Relevance: 5.5, APIs: 1, Strings: 2, Instructions: 256COMMONCrypto
Control-flow Graph |
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C-Code - Quality: 90% |
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Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040A394, Relevance: 225.5, APIs: 119, Strings: 9, Instructions: 1497COMMON
C-Code - Quality: 56% |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 00408F00, Relevance: 1.7, APIs: 1, Instructions: 493COMMON
Control-flow Graph |
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Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 00408F40, Relevance: 1.7, APIs: 1, Instructions: 472COMMON
Control-flow Graph |
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Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Control-flow Graph |
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C-Code - Quality: 29% |
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Uniqueness |
Uniqueness Score: -1.00% |
Non-executed Functions |
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Function 02912292, Relevance: .2, Instructions: 171COMMON
Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 02914F0A, Relevance: .1, Instructions: 69COMMON
Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 029149A3, Relevance: .0, Instructions: 32COMMON
Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 02912805, Relevance: .0, Instructions: 8COMMON
Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 029145BD, Relevance: .0, Instructions: 7COMMON
Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Similarity |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040BD1B, Relevance: 33.3, APIs: 22, Instructions: 255COMMON
Control-flow Graph |
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C-Code - Quality: 57% |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040CC09, Relevance: 27.2, APIs: 18, Instructions: 193COMMON
Control-flow Graph |
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C-Code - Quality: 53% |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040C4A9, Relevance: 24.1, APIs: 16, Instructions: 140COMMON
Control-flow Graph |
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C-Code - Quality: 47% |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Control-flow Graph |
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C-Code - Quality: 59% |
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Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040CA10, Relevance: 18.1, APIs: 12, Instructions: 133COMMON
Control-flow Graph |
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C-Code - Quality: 56% |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040C26D, Relevance: 18.1, APIs: 12, Instructions: 131COMMON
Control-flow Graph |
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C-Code - Quality: 61% |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Control-flow Graph |
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C-Code - Quality: 61% |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040C8E4, Relevance: 10.6, APIs: 7, Instructions: 78COMMON
Control-flow Graph |
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C-Code - Quality: 55% |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040C6C0, Relevance: 6.0, APIs: 4, Instructions: 24COMMON
Control-flow Graph |
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C-Code - Quality: 42% |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |