Analysis Report cigar.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 | ||
Source: | ReversingLabs: |
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: | Static PE information: |
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: | ||
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: | 1_2_00404078 | |
Source: | Code function: | 1_2_00402E03 | |
Source: | Code function: | 1_2_0040642D | |
Source: | Code function: | 1_2_004088D3 | |
Source: | Code function: | 1_2_00406509 | |
Source: | Code function: | 1_2_00404B41 | |
Source: | Code function: | 1_2_004065E9 | |
Source: | Code function: | 1_2_00402D9A | |
Source: | Code function: | 1_2_02B665BC | |
Source: | Code function: | 1_2_02B621B9 |
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: | 1_2_02B615E0 | |
Source: | Code function: | 1_2_02B66D4F |
Detected RDTSC dummy instruction sequence (likely for instruction hammering) | Show sources |
Source: | RDTSC instruction interceptor: | ||
Source: | RDTSC instruction interceptor: | ||
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: | RDTSC instruction interceptor: | ||
Source: | RDTSC instruction interceptor: | ||
Source: | RDTSC instruction interceptor: | ||
Source: | RDTSC instruction interceptor: |
Source: | Code function: | 1_2_02B65EAB |
Source: | Binary or memory string: |
Source: | Code function: | 1_2_02B65EAB |
Source: | Code function: | 1_2_02B65B60 | |
Source: | Code function: | 1_2_02B655BA | |
Source: | Code function: | 1_2_02B631D4 | |
Source: | Code function: | 1_2_02B655D3 |
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 | Data from Local System | Exfiltration Over Other Network Medium | Data Obfuscation | 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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22% | Virustotal | Browse | ||
11% | Metadefender | Browse | ||
17% | ReversingLabs | Win32.Trojan.Vebzenpak |
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: | 356153 |
Start date: | 22.02.2021 |
Start time: | 16:54:40 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 6m 35s |
Hypervisor based Inspection enabled: | false |
Report type: | full |
Sample file name: | cigar.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: | 29 |
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): | 4.943112440364119 |
TrID: |
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File name: | cigar.exe |
File size: | 61440 |
MD5: | 57261d6b5337c8d9f838617f2efd6c19 |
SHA1: | 9f2855adb0a71a6079bcbe73438e1212b51f0bed |
SHA256: | ee41c208f648cc461bf54a5d9e40040a25e51ebde8e9721937ca152d964bb10f |
SHA512: | a78e7cea98c8c47e05769beabfa0e75446ca04436ce24855a472fcd1359bb73a11c0e7e42b611c291a9f61e1736fc3a5b7e9d445209b2bf614389defd11efb4f |
SSDEEP: | 768:aZMuALMxEZYqNxh5Ran9a+Kge1eulY1Eu8cohd628fN6:fHCjqNj5Ral2l6Rdo |
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....N.Y.....................0....................@................ |
File Icon |
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Icon Hash: | 20047c7c70f0e004 |
Static PE Info |
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General | |
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Entrypoint: | 0x4012c4 |
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: | 0x591E4E86 [Fri May 19 01:46:46 2017 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: | f8fb5be8a6ea86fb9d04da61d8bfeb3a |
Entrypoint Preview |
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Instruction |
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push 004014FCh |
call 00007FFBD87830B3h |
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 ch, bh |
push es |
mov edi, dword ptr [ecx+4D59FBEEh] |
test bl, bl |
int3 |
dec ebp |
xlatb |
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 | 0xc444 | 0x28 | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0xf000 | 0x994 | .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 | 0xd0 | .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 | 0xb818 | 0xc000 | False | 0.468892415365 | data | 5.67760393294 | IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ |
.data | 0xd000 | 0x118c | 0x1000 | False | 0.00634765625 | data | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ |
.rsrc | 0xf000 | 0x994 | 0x1000 | False | 0.17822265625 | data | 2.07916773939 | 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 | 0xf864 | 0x130 | data | ||
RT_ICON | 0xf57c | 0x2e8 | data | ||
RT_ICON | 0xf454 | 0x128 | GLS_BINARY_LSB_FIRST | ||
RT_GROUP_ICON | 0xf424 | 0x30 | data | ||
RT_VERSION | 0xf150 | 0x2d4 | data | Hungarian | Hungary |
Imports |
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DLL | Import |
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MSVBVM60.DLL | _CIcos, _adj_fptan, __vbaVarMove, __vbaAryMove, __vbaFreeVar, __vbaFreeVarList, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaAryDestruct, __vbaObjSet, _adj_fdiv_m16i, _adj_fdivr_m16i, __vbaFpR8, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, _adj_fpatan, EVENT_SINK_Release, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, _CIlog, __vbaErrorOverflow, __vbaNew2, __vbaVar2Vec, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaVarDup, _CIatan, __vbaCastObj, _allmul, _CItan, _CIexp, __vbaFreeObj, __vbaFreeStr |
Version Infos |
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Description | Data |
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Translation | 0x040e 0x04b0 |
LegalCopyright | Copyright (C) AC |
InternalName | cigar |
FileVersion | 1.00 |
CompanyName | AC |
LegalTrademarks | Copyright (C) AC |
Comments | AC |
ProductName | AC |
ProductVersion | 1.00 |
FileDescription | AC |
OriginalFilename | cigar.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: | 16:55:20 |
Start date: | 22/02/2021 |
Path: | C:\Users\user\Desktop\cigar.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x400000 |
File size: | 61440 bytes |
MD5 hash: | 57261D6B5337C8D9F838617F2EFD6C19 |
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: | 3.4% |
Dynamic/Decrypted Code Coverage: | 1.1% |
Signature Coverage: | 0% |
Total number of Nodes: | 95 |
Total number of Limit Nodes: | 17 |
Graph
Executed Functions |
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Function 0040AC24, Relevance: 125.1, APIs: 70, Strings: 1, Instructions: 878COMMON
Control-flow Graph |
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C-Code - Quality: 60% |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040AC26, Relevance: 121.6, APIs: 68, Strings: 1, Instructions: 833COMMON
Control-flow Graph |
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C-Code - Quality: 60% |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Control-flow Graph |
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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: 78% |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 004098D1, Relevance: 3.5, APIs: 1, Strings: 1, Instructions: 460memoryCOMMON
Control-flow Graph |
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C-Code - Quality: 74% |
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Uniqueness |
Uniqueness Score: -1.00% |
Non-executed Functions |
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Function 02B66D4F, Relevance: .4, Instructions: 449COMMON
Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 02B615E0, Relevance: .1, Instructions: 97COMMON
Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 02B65B60, Relevance: .0, Instructions: 38COMMON
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 02B65EAB, Relevance: .0, Instructions: 35COMMON
Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 02B655BA, Relevance: .0, Instructions: 10COMMON
Memory Dump Source |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 02B655D3, Relevance: .0, Instructions: 10COMMON
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 02B631D4, Relevance: .0, Instructions: 8COMMON
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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Uniqueness |
Uniqueness Score: -1.00% |
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C-Code - Quality: 58% |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040BD94, Relevance: 16.6, APIs: 11, Instructions: 95COMMON
Control-flow Graph |
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C-Code - Quality: 61% |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040BF88, Relevance: 15.1, APIs: 10, Instructions: 115COMMON
Control-flow Graph |
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C-Code - Quality: 46% |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040C2EB, Relevance: 10.6, APIs: 7, Instructions: 82COMMON
Control-flow Graph |
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C-Code - Quality: 61% |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040C132, Relevance: 9.0, APIs: 6, Instructions: 50COMMON
Control-flow Graph |
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C-Code - Quality: 65% |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040BCC1, Relevance: 6.0, APIs: 4, Instructions: 45COMMON
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C-Code - Quality: 45% |
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Uniqueness |
Uniqueness Score: -1.00% |
Function 0040BAD7, Relevance: 6.0, APIs: 4, Instructions: 25COMMON
Control-flow Graph |
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C-Code - Quality: 21% |
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Joe Sandbox IDA Plugin |
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Uniqueness |
Uniqueness Score: -1.00% |