MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a18f7cb393133e6b54f23159c1480d371097db37e16bbe40592cad1342306843. 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


Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments
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SHA256 hash: a18f7cb393133e6b54f23159c1480d371097db37e16bbe40592cad1342306843
SHA3-384 hash: ca35d9f5e0d404a4703f2db2310fb739c0f125b964d9de372a73fb1dce40cc047c85ab1d2509bde9148877d7c4c0eb31
SHA1 hash: 4b5d0e84efd4bb8cc4b4d658a579997bf41bbb0b
MD5 hash: b82dfdf9ec6fff6c1100b93e14d30cbe
humanhash: don-louisiana-carbon-montana
File name:kA1GNOTJ2VgnL02.exe
Download: download sample
Signature Formbook
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File size:370'176 bytes
First seen:2021-11-09 11:07:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:1WTe6SMkMGtvJIAgwka0dSG1iRBNPT7dnXEBoaPhhGyqls3cB7boM2t:1W66STvJNk+Gq3PTZX+o8w7kD
TLSH T1E774025AB265882AC98A5137DC9B7900077C3186A9A3F32EB7FE53ADA4353D111437CE
Reporter pr0xylife
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/204433/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.18950.UNOFFICIAL
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/618a5694dec3347825a05ca8/reports/4a32491a-407b-4488-bfbe-1460980bd087/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9f1bc87c-1bd1-4846-9b2e-abef76330d43
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/885907
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 518384 Sample: kA1GNOTJ2VgnL02.exe Startdate: 09/11/2021 Architecture: WINDOWS Score: 100 34 www.tonkincoffee.com 2->34 36 www.theartistandtheprintmaker.com 2->36 38 4 other IPs or domains 2->38 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 5 other signatures 2->52 11 kA1GNOTJ2VgnL02.exe 3 2->11         started        signatures3 process4 signatures5 62 Tries to detect virtualization through RDTSC time measurements 11->62 14 kA1GNOTJ2VgnL02.exe 11->14         started        process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 17 explorer.exe 14->17 injected process8 dnsIp9 28 www.odemix.com 154.31.59.107, 49773, 80 GBTCLOUDUS United States 17->28 30 www.mina-kornblum.com 91.203.110.224, 49804, 80 CLOUDPITDE Germany 17->30 32 10 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 42 Performs DNS queries to domains with low reputation 17->42 44 Uses netsh to modify the Windows network and firewall settings 17->44 21 netsh.exe 17->21         started        signatures10 process11 signatures12 54 Self deletion via cmd delete 21->54 56 Modifies the context of a thread in another process (thread injection) 21->56 58 Maps a DLL or memory area into another process 21->58 60 Tries to detect virtualization through RDTSC time measurements 21->60 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/a18f7cb393133e6b54f23159c1480d371097db37e16bbe40592cad1342306843/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-09 11:08:11 UTC
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ughxzm4tcm7gwvhsgfm4csang4ijpwzx4fv34qczfswrgqrqnbbq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:bgg2 loader rat
Link:
https://tria.ge/reports/211109-m8j9csfae6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.theartistandtheprintmaker.com/bgg2/
Unpacked files
SH256 hash:
1c0f6e05cb2e91ee46f1552bdc11115fff52835bb0d0737e48b10c73e2d9218e
MD5 hash:
457fc6efa5e6cefad9b03fa4d14b3c84
SHA1 hash:
b63f9f3266d7145cda24b6aee8aed02a83c381ec
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c6d4e146-3cc7-4813-8741-4b47ea3ac0ea/
SH256 hash:
bd49836341b49f8390921c3e220c0382d622032e57ea151f79771f5f19b395c1
MD5 hash:
abc4c55fb87a3e4f605051c109fa5253
SHA1 hash:
da206246dd6a586acb04a072a8e1ab8a24f79195
Link:
https://www.unpac.me/results/c6d4e146-3cc7-4813-8741-4b47ea3ac0ea/
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/c6d4e146-3cc7-4813-8741-4b47ea3ac0ea/
SH256 hash:
a18f7cb393133e6b54f23159c1480d371097db37e16bbe40592cad1342306843
MD5 hash:
b82dfdf9ec6fff6c1100b93e14d30cbe
SHA1 hash:
4b5d0e84efd4bb8cc4b4d658a579997bf41bbb0b
Link:
https://www.unpac.me/results/c6d4e146-3cc7-4813-8741-4b47ea3ac0ea/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a18f7cb393133e6b54f23159c1480d371097db37e16bbe40592cad1342306843

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/204433/

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