Windows Analysis Report fN2QHk2XYG.exe
Overview
General Information
Detection
Score: | 92 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Classification
Process Tree |
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Malware Configuration |
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Threatname: GuLoader |
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{"Payload URL": "http://theater.expodium.net/wp-content/plugins/m/agent_RgbAiUJQ186.bin, https://meatflesh.com/b/agent_RgbAiUJQ186.bin"}
Yara Overview |
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Memory Dumps |
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Source | Rule | Description | Author | Strings |
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JoeSecurity_GuLoader_2 | 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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Antivirus / Scanner detection for submitted sample | Show sources |
Source: | Avira: |
Found malware configuration | Show sources |
Source: | Malware Configuration Extractor: |
Multi AV Scanner detection for submitted file | Show sources |
Source: | Virustotal: | Perma Link | ||
Source: | ReversingLabs: |
Source: | Static PE information: |
Networking: |
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C2 URLs / IPs found in malware configuration | Show sources |
Source: | URLs: |
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_004018A4 | |
Source: | Code function: | 0_2_0040572D |
Source: | Static PE information: |
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: | 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: | ||
Source: | ReversingLabs: |
Data Obfuscation: |
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Yara detected GuLoader | Show sources |
Source: | File source: |
Source: | Code function: | 0_2_00401B43 | |
Source: | Code function: | 0_2_0040B066 | |
Source: | Code function: | 0_2_0040B066 | |
Source: | Code function: | 0_2_0040C490 | |
Source: | Code function: | 0_2_0040D183 | |
Source: | Code function: | 0_2_004099D0 | |
Source: | Code function: | 0_2_0040DF0F | |
Source: | Code function: | 0_2_00409F1A | |
Source: | Code function: | 0_2_0041B584 | |
Source: | Code function: | 0_2_0040B37A |
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior | ||
Source: | Process information set: | Jump to behavior |
Malware Analysis System Evasion: |
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Tries to detect virtualization through RDTSC time measurements | Show sources |
Source: | RDTSC instruction interceptor: |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
Anti Debugging: |
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Found potential dummy code loops (likely to delay analysis) | Show sources |
Source: | Process Stats: |
Source: | Thread injection, dropped files, key value created, disk infection and DNS query: |
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 | Virtualization/Sandbox Evasion11 | OS Credential Dumping | Security Software Discovery2 | 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 | Process Injection1 | LSASS Memory | Virtualization/Sandbox Evasion11 | Remote Desktop Protocol | Data from Removable Media | Exfiltration Over Bluetooth | Application Layer Protocol1 | 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 Information1 | Security Account Manager | Process Discovery1 | 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 |
Local Accounts | At (Windows) | Logon Script (Mac) | Logon Script (Mac) | Binary Padding | NTDS | System Information Discovery11 | Distributed Component Object Model | Input Capture | Scheduled Transfer | Protocol Impersonation | SIM Card Swap | Carrier Billing Fraud |
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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36% | Virustotal | Browse | ||
24% | ReversingLabs | Win32.Trojan.Graftor | ||
100% | Avira | HEUR/AGEN.1134908 |
Dropped Files |
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No Antivirus matches |
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Unpacked PE Files |
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Source | Detection | Scanner | Label | Link | Download |
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100% | Avira | HEUR/AGEN.1134908 | Download File | ||
100% | Avira | HEUR/AGEN.1134908 | Download File |
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: | 32.0.0 Black Diamond |
Analysis ID: | 434546 |
Start date: | 15.06.2021 |
Start time: | 08:36:46 |
Joe Sandbox Product: | CloudBasic |
Overall analysis duration: | 0h 6m 5s |
Hypervisor based Inspection enabled: | false |
Report type: | full |
Sample file name: | fN2QHk2XYG.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: | 18 |
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: | mal92.rans.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): | 5.8068117659035945 |
TrID: |
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File name: | fN2QHk2XYG.exe |
File size: | 147456 |
MD5: | 3d900d56e0e8284f5fea7752051fe727 |
SHA1: | bf0e7023d260fb580b0ad196d6135d4e5f34968c |
SHA256: | 686b8fac1748af72f6e0a35af456c7f473de446ba5df5430411c9ffd4c8943a0 |
SHA512: | 2e41dd45b4ca614fea7e4129b99365d795546931b24a11681bdf123547a7923c7baf3fc95dad4a362ab3a748651aa019f1ce934bbee908796e5300b2592c05ef |
SSDEEP: | 1536:odUkRSto0lSTokgoofDDTTMpK31whjEVsZCmsRfJeyftNB6zy:0GoFgX//31whqsZafJR9 |
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....G.W.....................0............... ....@................ |
File Icon |
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Icon Hash: | 20047c7c70f0e004 |
Static PE Info |
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General | |
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Entrypoint: | 0x4018a4 |
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: | 0x57AB47F9 [Wed Aug 10 15:27:53 2016 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: | 2c08d8f9644132654eb702b279083d5c |
Entrypoint Preview |
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Instruction |
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push 00401CDCh |
call 00007F8734B4CCD5h |
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 [ecx], cl |
cdq |
jecxz 00007F8734B4CC94h |
test al, FFh |
stosb |
inc edi |
mov al, A0h |
mul dword ptr [00234A8Ch+ecx*8] |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [ecx], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
add al, al |
insb |
inc byte ptr [edx] |
jne 00007F8734B4CD50h |
outsb |
je 00007F8734B4CD4Bh |
je 00007F8734B4CD4Eh |
outsb |
jnc 00007F8734B4CD56h |
add byte ptr [eax], al |
add byte ptr [eax], al |
add byte ptr [eax], al |
dec esp |
xor dword ptr [eax], eax |
setb byte ptr [edi+4Ah] |
sbb eax, 450F6C20h |
lea ecx, dword ptr [ebx-43949032h] |
aad 67h |
jne 00007F8734B4CD5Ch |
in eax, AAh |
call far 8A1Bh : BC4B29D2h |
jmp far ebx |
xor ebx, dword ptr [ecx+36h] |
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 |
scasb |
add al, byte ptr [eax] |
add byte ptr [ecx+00h], dl |
add byte ptr [eax], al |
add byte ptr [ecx], dl |
add byte ptr [eax+65h], dl |
outsb |
jnc 00007F8734B4CD4Bh |
outsd |
outsb |
jnc 00007F8734B4CD56h |
imul ebp, dword ptr [esp+ebp*2+67h], 73746567h |
add byte ptr [00000001h], cl |
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 | 0x21624 | 0x28 | .text |
IMAGE_DIRECTORY_ENTRY_RESOURCE | 0x24000 | 0x948 | .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 | 0x1dc | .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 | 0x20cfc | 0x21000 | False | 0.381495620265 | data | 6.06044220649 | IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ |
.data | 0x22000 | 0x1278 | 0x1000 | False | 0.00634765625 | data | 0.0 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ |
.rsrc | 0x24000 | 0x948 | 0x1000 | False | 0.172607421875 | data | 2.02366150258 | 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 | 0x24818 | 0x130 | data | ||
RT_ICON | 0x24530 | 0x2e8 | data | ||
RT_ICON | 0x24408 | 0x128 | GLS_BINARY_LSB_FIRST | ||
RT_GROUP_ICON | 0x243d8 | 0x30 | data | ||
RT_VERSION | 0x24150 | 0x288 | data | English | United States |
Imports |
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DLL | Import |
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MSVBVM60.DLL | _CIcos, _adj_fptan, __vbaVarMove, __vbaHresultCheck, __vbaFreeVar, __vbaStrVarMove, __vbaLenBstr, __vbaFreeVarList, __vbaEnd, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaSetSystemError, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaAryDestruct, __vbaBoolStr, __vbaObjSet, __vbaOnError, _adj_fdiv_m16i, __vbaObjSetAddref, _adj_fdivr_m16i, __vbaFpR8, __vbaVarTstLt, _CIsin, __vbaErase, __vbaChkstk, EVENT_SINK_AddRef, __vbaGenerateBoundsError, __vbaStrCmp, __vbaAryConstruct2, __vbaVarTstEq, __vbaR4Str, __vbaObjVar, DllFunctionCall, _adj_fpatan, __vbaLateIdCallLd, __vbaRedim, EVENT_SINK_Release, __vbaUI1I2, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, __vbaInStrVar, _CIlog, __vbaNew2, __vbaInStr, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, __vbaI4Str, __vbaFreeStrList, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaI4Var, __vbaVarAdd, __vbaLateMemCall, __vbaVarDup, __vbaStrToAnsi, __vbaFpI4, __vbaVarCopy, __vbaLateMemCallLd, _CIatan, __vbaStrMove, __vbaCastObj, _allmul, __vbaLateIdSt, _CItan, _CIexp, __vbaFreeObj, __vbaFreeStr |
Version Infos |
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Description | Data |
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Translation | 0x0409 0x04b0 |
InternalName | Bidragssatsen |
FileVersion | 1.00 |
CompanyName | Workday |
Comments | Workday |
ProductName | Workday |
ProductVersion | 1.00 |
FileDescription | Workday |
OriginalFilename | Bidragssatsen.exe |
Possible Origin |
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Language of compilation system | Country where language is spoken | Map |
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English | United States |
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: | 08:37:36 |
Start date: | 15/06/2021 |
Path: | C:\Users\user\Desktop\fN2QHk2XYG.exe |
Wow64 process (32bit): | true |
Commandline: | |
Imagebase: | 0x400000 |
File size: | 147456 bytes |
MD5 hash: | 3D900D56E0E8284F5FEA7752051FE727 |
Has elevated privileges: | true |
Has administrator privileges: | true |
Programmed in: | Visual Basic |
Yara matches: |
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Reputation: | low |
Disassembly |
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Code Analysis |
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Executed Functions |
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Uniqueness |
Uniqueness Score: -1.00% |
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Uniqueness |
Uniqueness Score: -1.00% |
Non-executed Functions |
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Function 0040572D, Relevance: 7.7, Strings: 6, Instructions: 169COMMON
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
Function 00421260, Relevance: 31.6, APIs: 21, Instructions: 150COMMON
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
Function 00413BF0, Relevance: 21.1, APIs: 14, Instructions: 132COMMON
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
Function 0041FDB0, Relevance: 12.0, APIs: 8, Instructions: 46COMMON
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Uniqueness Score: -1.00% |
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Uniqueness Score: -1.00% |
Function 00421190, Relevance: 6.1, APIs: 4, Instructions: 56COMMON
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Uniqueness Score: -1.00% |