MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ba05ab47459b8f496adf156b26daba787a2c35633142edd047b7d15f1459722. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ba05ab47459b8f496adf156b26daba787a2c35633142edd047b7d15f1459722
SHA3-384 hash: 67017fb88d23947d92dc2f2666d68265da68266448d8e51b58fe550e7e4b0d1182e2ac23bf123f55b8a36d87eb8931a6
SHA1 hash: a54bce6ca429edcfc19055f5ab5622f00900ee30
MD5 hash: 2db16f11106412f72732619a408eaae2
humanhash: one-freddie-indigo-black
File name:2db16f11106412f72732619a408eaae2.exe
Download: download sample
Signature Formbook
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File size:868'352 bytes
First seen:2022-02-09 16:13:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:7TLnCd8WhCG6EsRv13MQDu28g6ROrfZrGJG+W8VsBXP59CsvPUj+Sea9:b3dn3MQDXmOrBGU+XVsBXP50u0ea9
TLSH T13305BE2F487E223AC5BCD7715984CE2FB992CD563533A81D29963AC905367F270D222F
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/239709/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.25375.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/6203e859c649d4049451b817/reports/d11e2644-b8cd-4aa4-9db0-370c2eeda42b/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/bbb7e657-1730-4a88-a389-65b7a2f6b68f
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/937108
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: CMSTP Execution Process Creation
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 569588 Sample: gRn5wx2Rxg.exe Startdate: 09/02/2022 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 13 other signatures 2->52 10 gRn5wx2Rxg.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\...\AJDFUYgppEZVd.exe, PE32 10->38 dropped 40 C:\...\AJDFUYgppEZVd.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp7E17.tmp, XML 10->42 dropped 44 C:\Users\user\AppData\...\gRn5wx2Rxg.exe.log, ASCII 10->44 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 10->54 56 Adds a directory exclusion to Windows Defender 10->56 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        19 powershell.exe 25 10->19         started        21 schtasks.exe 1 10->21         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 23 explorer.exe 14->23 injected 68 Tries to detect virtualization through RDTSC time measurements 17->68 25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        process8 process9 29 cmstp.exe 23->29         started        32 autochk.exe 23->32         started        signatures10 58 Tries to detect virtualization through RDTSC time measurements 29->58 34 cmd.exe 1 29->34         started        process11 process12 36 conhost.exe 34->36         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/8ba05ab47459b8f496adf156b26daba787a2c35633142edd047b7d15f1459722/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-02-09 15:01:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=roqfvndulg4pjfvn6flle3nlu6d2fq2wgmkc5xiepn6rl4kfs4ra._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:e57m rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220209-tpm98sbafq/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
bac02b7c77de22a076b8a54f15b6b26d0e01d2a9333b743a5899fdfd71e640dd
MD5 hash:
282a10e4742812e06c61083deeed8fdd
SHA1 hash:
0d3b3317e148ed5fc0cfddf694efd3e394a9604d
Link:
https://www.unpac.me/results/c692f49c-9584-4e25-9e4f-d8d714a9b499/
SH256 hash:
0cc119786b104cf0aa261a208bf38802b339774ff3d7a42afcd8329d2d7d21c9
MD5 hash:
263b5190f7ac42d83c756dcdf38147bb
SHA1 hash:
78f419fe3936ed7d603706c47230cd3e6ff79ffe
Link:
https://www.unpac.me/results/c692f49c-9584-4e25-9e4f-d8d714a9b499/
SH256 hash:
4716873bd7ce07cacf6f573d0db4bf2d67f24ab755abbdaac50b912b4feacb4a
MD5 hash:
011ceedf7cfd8b1602c8c74afbe5f200
SHA1 hash:
53fe9a8f2d70b0d75b127be8d946ae3e7bddd834
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c692f49c-9584-4e25-9e4f-d8d714a9b499/
SH256 hash:
8ba05ab47459b8f496adf156b26daba787a2c35633142edd047b7d15f1459722
MD5 hash:
2db16f11106412f72732619a408eaae2
SHA1 hash:
a54bce6ca429edcfc19055f5ab5622f00900ee30
Link:
https://www.unpac.me/results/c692f49c-9584-4e25-9e4f-d8d714a9b499/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8ba05ab47459/report/overview.html
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:pe_imphash
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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.

Web download

Formbook

Executable exe 8ba05ab47459b8f496adf156b26daba787a2c35633142edd047b7d15f1459722

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2038760/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/239709/

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