MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b90f7fe7abcb028f3f1ad8173f22d11b950714483ab6cdcb2f0a37961a30a51. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: 6b90f7fe7abcb028f3f1ad8173f22d11b950714483ab6cdcb2f0a37961a30a51
SHA3-384 hash: b90f7cf452a4e842f83a0e0e5165f297298428ca7b87f4a2f4c9a1291b365943a6a980ade57a9f48e74654e207ceb22d
SHA1 hash: 58863621405f09f2038a52a06f9f588790cc4477
MD5 hash: e2bbff401e865426b67aacb756e2bf1d
humanhash: paris-moon-fillet-alabama
File name:RFQ #655432678-WTR5R.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:978'944 bytes
First seen:2022-11-05 17:22:28 UTC
Last seen:2022-11-15 11:37:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:c5vbWb30edip7KnQ7W9Z67kWN5CXwA8P/bM20fd+CcNd1Dy4qrKVdiUYcM27toeL:Q5p2KsZL6QgAY/IT1+CcNTyeVQaHMtY
Threatray 17'441 similar samples on MalwareBazaar
TLSH T18225E02F0AE9061AD6AA39B855E4E7FBA3DA9C41F817C34713C9AD0BB847734D710394
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ #655432678-WTR5R.exe
Verdict:
Malicious activity
Analysis date:
2022-11-05 17:24:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1eb5ed68-837f-480e-8b21-7ca59a62ab8e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/329156/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.46355.20294.15145.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63669bf75a664bb7b89c3f3b/reports/c8d4a085-0fa3-4675-974a-d918419c783c/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/764f5598-b6a6-44ab-9d78-34d80927a323
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1106222
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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: Scheduled temp file as task from temp location
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 dnsIp2 2 Behavior Graph ID: 738886 Sample: RFQ #655432678-WTR5R.exe Startdate: 05/11/2022 Architecture: WINDOWS Score: 100 57 www.9393xx20.app 2->57 59 vd002-np-al04.tgtest.site 2->59 61 v9393np.tgtest.site 2->61 71 Malicious sample detected (through community Yara rule) 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 75 Multi AV Scanner detection for submitted file 2->75 77 10 other signatures 2->77 11 RFQ #655432678-WTR5R.exe 7 2->11         started        15 EqCZKalXFKgp.exe 5 2->15         started        signatures3 process4 file5 49 C:\Users\user\AppData\...qCZKalXFKgp.exe, PE32 11->49 dropped 51 C:\Users\...qCZKalXFKgp.exe:Zone.Identifier, ASCII 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmpD1D7.tmp, XML 11->53 dropped 55 C:\Users\...\RFQ #655432678-WTR5R.exe.log, ASCII 11->55 dropped 85 Adds a directory exclusion to Windows Defender 11->85 87 Injects a PE file into a foreign processes 11->87 17 RFQ #655432678-WTR5R.exe 11->17         started        20 powershell.exe 19 11->20         started        22 schtasks.exe 1 11->22         started        89 Multi AV Scanner detection for dropped file 15->89 91 Machine Learning detection for dropped file 15->91 93 Tries to detect virtualization through RDTSC time measurements 15->93 24 EqCZKalXFKgp.exe 15->24         started        26 schtasks.exe 1 15->26         started        28 EqCZKalXFKgp.exe 15->28         started        30 EqCZKalXFKgp.exe 15->30         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 17->63 65 Maps a DLL or memory area into another process 17->65 67 Sample uses process hollowing technique 17->67 69 Queues an APC in another process (thread injection) 17->69 32 explorer.exe 17->32 injected 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 26->38         started        process9 process10 40 WWAHost.exe 32->40         started        43 help.exe 32->43         started        signatures11 79 Modifies the context of a thread in another process (thread injection) 40->79 81 Maps a DLL or memory area into another process 40->81 83 Tries to detect virtualization through RDTSC time measurements 40->83 45 cmd.exe 1 40->45         started        process12 process13 47 conhost.exe 45->47         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b90f7fe7abcb028f3f1ad8173f22d11b950714483ab6cdcb2f0a37961a30a51/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2022-11-05 11:29:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 26 (69.23%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=noipp7t2xsycr47rvwaxh4rncg4va4keqovwzxfs6crxsyndbjiq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1b2fe76bd1cad45feafc7bbf7301e8f48018aa27504fbb88af5d7030b6d0d242
Formbook
799f2a0ffb44227ece78b8ea8df29e6eb4b09c0d6256ce7920e7948aab2924ac
Formbook
7a7fe99e9c14cffa44335e28d42bb6bd54c5c98ad0c3d4d1a540fc94c8adcf8b
Formbook
90260aceb18d9538c91ec8739dfe72b7dbbda8a060bdb9308ad1bdb5c2a56884
Formbook
a5ec877e85194fb154a980657567505b0e40b698d21d05f9c2015adc66b8c3e8
Formbook
c48d62d8d6f694ec85fb1c5661b0d09ade998b6ae765a47d28c3b8cf5849bf87
Formbook
cea0844bf755c190793ac29a2cd95220862993a84c5924faeddce381fcdf063c
Formbook
+ 17'431 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:t36t rat spyware stealer trojan
Link:
https://tria.ge/reports/221105-vx44dsbahk/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b8964e53-8af5-40a8-a4bd-09e3682c8ffc
Unpacked files
SH256 hash:
b981f7895c4e10ed2107ac0fa2142827b78c86eacbec2211395e6ca7f4cf7f70
MD5 hash:
1ca046f61b8db275232d37fec4c5255f
SHA1 hash:
7d544077cda3cbb6aeb3a5d60dad3b127b5944b0
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/4e0b3be5-6841-4c5b-a519-90f761dcdb6e/
Parent samples :
6b90f7fe7abcb028f3f1ad8173f22d11b950714483ab6cdcb2f0a37961a30a51
4408ca4867bf10664da86178ed9d1730f0b405964f6bcd1c5ad87353ac1f5dca
93c85b2f72de4a9ddcab5f1ecf176830c8b3941c865a92f1c42aceea21b0f4de
22a0ce1fbf304b11510e89f1db8124bf84c59049c919c7b6bbce222db99bf014
93e9e99eb9d74a0cfa3cec7fea4a663b9ad5e8fe4e6ba38bf597a902ce592e1e
841f58249aa46e1ee3675636da9cac3894940ab465579bc001eb328d679a586d
476cfcd8e4efbaad00e44089bfe1eab950cd627656f960b74a1dce1f9e5686dc
6f22c078ac85a58a121a9f601bb88bbdb1664bee8845c5b66f42f1c23d13a5ef
SH256 hash:
2a2b9d97b0629b90bd7e5200eb82caa7a97091be9095e58ec049f68569f57803
MD5 hash:
e09d087ddb218dda7e87dc03f34964fe
SHA1 hash:
f76c346d19f129a117c8579315677b9a6764c6d5
Link:
https://www.unpac.me/results/4e0b3be5-6841-4c5b-a519-90f761dcdb6e/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/4e0b3be5-6841-4c5b-a519-90f761dcdb6e/
SH256 hash:
8354a7ad0499febdd288542828ad0355dcb7054c0c518266208e571c5122b0c6
MD5 hash:
6bfc7ce9ec7891d9d8494454332099b5
SHA1 hash:
34fc8cebba035e2cc6d27d636f9655949080bf8e
Link:
https://www.unpac.me/results/4e0b3be5-6841-4c5b-a519-90f761dcdb6e/
SH256 hash:
b6a6278d48f28f210f948874f259e7ebc0ac8235e6519cc36c22065d8e66e1ea
MD5 hash:
36b0f7762dfefb5d8a267c5e4750e205
SHA1 hash:
0058c3f28895b89c8e9a994c5fa27942f5171fbb
Link:
https://www.unpac.me/results/4e0b3be5-6841-4c5b-a519-90f761dcdb6e/
SH256 hash:
6b90f7fe7abcb028f3f1ad8173f22d11b950714483ab6cdcb2f0a37961a30a51
MD5 hash:
e2bbff401e865426b67aacb756e2bf1d
SHA1 hash:
58863621405f09f2038a52a06f9f588790cc4477
Link:
https://www.unpac.me/results/4e0b3be5-6841-4c5b-a519-90f761dcdb6e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6b90f7fe7abc/report/overview.html
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/6b90f7fe7abcb028f3f1ad8173f22d11b950714483ab6cdcb2f0a37961a30a51

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
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.

Malspam

Formbook

7z 18023f50440cbb0824a310b33371975c117ed52a1f9b01a03139b8252970fa13

Formbook

Executable exe 6b90f7fe7abcb028f3f1ad8173f22d11b950714483ab6cdcb2f0a37961a30a51

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/329156/
  
Dropped by
SHA256 18023f50440cbb0824a310b33371975c117ed52a1f9b01a03139b8252970fa13
  
Dropped by
MD5 39e1107f24916d77bcfcedf8f6ab0515

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