MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34f46dda75810eb7a5f92544fdbecf589cc3633a7ef163b54f338477598af7f1. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 34f46dda75810eb7a5f92544fdbecf589cc3633a7ef163b54f338477598af7f1
SHA3-384 hash: a5b6a8d45964f8f8b350f1a9a45204fcd51b2729bb36f4be73c9551b36c63ee132d8c0db687d121dd7897b01aa1a9967
SHA1 hash: f543e8e3ed6337b0f5993f1255e9571d1b1a56ad
MD5 hash: b3cb30362fa6bce0e4e67f229d004e11
humanhash: edward-utah-hotel-harry
File name:b3cb30362fa6bce0e4e67f229d004e11.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:849'920 bytes
First seen:2022-01-22 08:08:53 UTC
Last seen:2022-01-22 10:02:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:/eQmD3v9POXtpQcwXSGRMoatlGbkX5IASxZwYjW683vq6+i9vYFloBTZlwezcASD:/t7pQcwiUhYGkXhbe6+i9vYFl
Threatray 12'818 similar samples on MalwareBazaar
TLSH T1FD0508AD325071DFC867C572CEA81CA4EB61747A971BC207901311AEAE4DA97DF242F3
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b3cb30362fa6bce0e4e67f229d004e11.exe
Verdict:
Suspicious activity
Analysis date:
2022-01-22 08:29:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e5cb52e6-a3d9-4159-a201-04cdc4b2407c

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/221613/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.38666452.6272.3813.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
ftp.exe obfuscated packed remote.exe
Link:
https://www.filescan.io/uploads/61ebbba0d32385db631a384b/reports/19d6882a-8339-4d94-8874-900ecd7071a1/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/826a04d5-e351-4145-88f9-d31d43de8d2e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/925596
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: CMSTP Execution Process Creation
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 558074 Sample: a9ImXO1QMN.exe Startdate: 22/01/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 9 other signatures 2->40 10 a9ImXO1QMN.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\a9ImXO1QMN.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 a9ImXO1QMN.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.hamzashoop.com 141.125.109.198, 49819, 80 SOFTLAYERUS United States 17->30 32 www.yaayn.com 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 cmstp.exe 17->21         started        signatures10 process11 signatures12 44 Self deletion via cmd delete 21->44 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/34f46dda75810eb7a5f92544fdbecf589cc3633a7ef163b54f338477598af7f1/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-01-22 07:32:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
243bf6298e6d09d6b1defc371150fa5e0b34942eb6f2d616c187fa3fd7f44fbb
Formbook
2ed8aeaf73ee1a3caf7eb0be7814868c4100efbe1b021e2d964db3b638dc7f3c
Formbook
6d1ae3278059d592ae7c4426df9456553b8abfbc3bd90ce0f8d1792e94ae95c2
Formbook
86d9f290badc30732592c1af4705f3dedb1516cf25a4ec01a44b64fad834c718
Formbook
8e4da8766eb5ea763138244606bbdbafd4297a332988868411194d067724e24f
Formbook
9e54c12e7b23d9988514b9aae1e3593b0a08814357860ff270f42014914b0a1e
Formbook
a1c94b041635b2153e990827648e415b94da3b8f473e98798e5deaa599f2eb62
Formbook
c3e318eafb968f401d5165bb17e765613339ce25e4e48e99ea734580fae06d84
Formbook
ec575e5cdf3da323c27e65f3042586173ca50ba0682b733a61f0b47f80c3004e
Formbook
ff49729f166632886284a0ef9e5e084151096acc1aa7e43c353e922e2fbb1086
Formbook
+ 12'808 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a94o rat spyware stealer trojan
Link:
https://tria.ge/reports/220122-j15csaadfj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
729bff72d7df86950c9a03b9d5814267b5f738df9aafd27b8d25603f2a910f33
MD5 hash:
ee24f75a5a8b88bf33a08abed0b62442
SHA1 hash:
98e44fcb0767dd065d3d6e9185330243dbc1dd69
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6cb74d2d-39d2-4ed4-b319-aaea67ef357a/
Parent samples :
166eaef2a1db9235f1cfa04186b1586ddb1f81466d4a47d4a835d6fbecdaafca
ff49729f166632886284a0ef9e5e084151096acc1aa7e43c353e922e2fbb1086
ccc5b256bd8bd09fb241407caee97afda894f2a884b533f3634324e7b87da47e
8e4da8766eb5ea763138244606bbdbafd4297a332988868411194d067724e24f
34f46dda75810eb7a5f92544fdbecf589cc3633a7ef163b54f338477598af7f1
SH256 hash:
2043cc08ef79d3e7d12c05a87bc208be1f4a3175609a0610c855bf0f7a83c826
MD5 hash:
92801f86a7441dcb94bd0b7d265f1a01
SHA1 hash:
ce6b4a6fdb79d95fc4d88626b720e9e2573ba322
Link:
https://www.unpac.me/results/6cb74d2d-39d2-4ed4-b319-aaea67ef357a/
SH256 hash:
83d76b046a6bc234f823741664fe75bc40c38c24303537837892fb0e90145483
MD5 hash:
f8aaa883e72b4b8fb3b8348c4cbf3a1b
SHA1 hash:
436f6ae52a874918fbe395d50aebae20397eb428
Link:
https://www.unpac.me/results/6cb74d2d-39d2-4ed4-b319-aaea67ef357a/
SH256 hash:
34f46dda75810eb7a5f92544fdbecf589cc3633a7ef163b54f338477598af7f1
MD5 hash:
b3cb30362fa6bce0e4e67f229d004e11
SHA1 hash:
f543e8e3ed6337b0f5993f1255e9571d1b1a56ad
Link:
https://www.unpac.me/results/6cb74d2d-39d2-4ed4-b319-aaea67ef357a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/34f46dda7581/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/34f46dda75810eb7a5f92544fdbecf589cc3633a7ef163b54f338477598af7f1

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 34f46dda75810eb7a5f92544fdbecf589cc3633a7ef163b54f338477598af7f1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1901647/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/221613/

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