MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a0c21a5a37e307becd9ed9bdee0f3f41e3d1a61847a6e9ae272ec891d4f7728. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


GuLoader


Vendor detections: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a0c21a5a37e307becd9ed9bdee0f3f41e3d1a61847a6e9ae272ec891d4f7728
SHA3-384 hash: 5b5c1a82136885ddb5acb782c4778891b3560270d73c3cb4321b5c589ec7f68da68c10a1f2e3e2038dcaf48be7f19daf
SHA1 hash: 01ca66b6bd83c1c4e9168767422815b327bfa2a2
MD5 hash: 1b02b2110a83c75e00319da7df7f1ed3
humanhash: lactose-lion-gee-wisconsin
File name:1b02b2110a83c75e00319da7df7f1ed3.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:519'680 bytes
First seen:2021-02-17 13:57:49 UTC
Last seen:2021-02-17 16:09:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:pSlQOcPTxF0cvmpJZIxXwWW2WiZnqrw+fuJptW+3e3miUZ:OKTxacvmPZIxjmiFqr/u1LUC
Threatray 3'803 similar samples on MalwareBazaar
TLSH 97B4CF2333D4CB46E4796BB58021C3F013F1ED0A9226D60BBE997D9B3CA5AC586563D3
Reporter abuse_ch
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.17078.25248.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/610391
Signature
Binary contains a suspicious time stamp
Contains functionality to log keystrokes (.Net Source)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 354215 Sample: LIe6GFFpRO.exe Startdate: 17/02/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 6 other signatures 2->42 10 LIe6GFFpRO.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\LIe6GFFpRO.exe.log, ASCII 10->28 dropped 52 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->52 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 LIe6GFFpRO.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 digivisiol.com 89.252.174.233, 49743, 80 NETINTERNETNetinternetBilisimTeknolojileriASTR Turkey 17->30 32 inspirefreedomtoday.com 184.168.131.241, 49737, 80 AS-26496-GO-DADDY-COM-LLCUS United States 17->32 34 4 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 colorcpl.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a0c21a5a37e307becd9ed9bdee0f3f41e3d1a61847a6e9ae272ec891d4f7728/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-02-17 13:24:15 UTC
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nigcdjndpyyhx3gz5wn55yht6qpd2gtbqr5g5gxcolwishkpo4ua._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0db69eb6654d1090cb17ab58537a7304e2c269613c0edabf123cf230d289db73
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0fbe3e570e7074462b9c44528e6a1a3e9a4d02775acf4e9877f4f3ac87cdbd2e
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1ec5aeccf89c5d7a378e443e742e37f05a2aa7cb71150ee0ca4876c6b37d7b4d
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5915848dc0c0e2e649fdc29ed1d3270ec15b78493e9ca9debf5e85a090e533b6
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5d617282230f991221360f213e15b0e62d0c462afc3d32299c9b410658fbb106
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73c58bd017026340507d10cc2b3237c6c32835dc69571e81df1a5905981b3d63
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8c5a90a4c4470d05fff7757920aa0a8bf56edab04f4eb926ba789652f1bfc74c
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e68f17cfe87742103150ca9abd6cc16581caa6e0e0243d03fae2c89c2609c974
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f09416ef7aaab2c43c62ef77bb69c005ec4a57d4051586f5e7d8571e74fee41c
GuLoader
fb4eed3cf47b8b977f61b307651cadf7e5f18e4fa20e91239e1f9832fc5d822c
GuLoader
+ 3'793 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/210217-98dd68k9qe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.evolvekitchendesign.com/ffw/
Unpacked files
SH256 hash:
b2499a2af35b550fbe7f541a14ff1225e1202324f351eecf85de6c8e9fc7c27c
MD5 hash:
5e732e4265622675313195dead01047e
SHA1 hash:
359c710a93c2f58cdc2a45de8dd48a6884a70645
Link:
https://www.unpac.me/results/27b7fd0e-797c-458f-91a9-ed9558a168e0/
SH256 hash:
6a0c21a5a37e307becd9ed9bdee0f3f41e3d1a61847a6e9ae272ec891d4f7728
MD5 hash:
1b02b2110a83c75e00319da7df7f1ed3
SHA1 hash:
01ca66b6bd83c1c4e9168767422815b327bfa2a2
Link:
https://www.unpac.me/results/27b7fd0e-797c-458f-91a9-ed9558a168e0/
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

GuLoader

Executable exe 6a0c21a5a37e307becd9ed9bdee0f3f41e3d1a61847a6e9ae272ec891d4f7728

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1012322/
  
Delivery method
Distributed via web download

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