MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d547c5731a7c08b7d25c4724cb9ae8a75ce246dc2715ee0e58edbb5ec2221f8. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3d547c5731a7c08b7d25c4724cb9ae8a75ce246dc2715ee0e58edbb5ec2221f8
SHA3-384 hash: 3da67cabd184fc48963f8f5b5fdca7f182cb99f1f64974f3affa4e87ac75cecae93ba6f393039bc4d3a626342e36b74d
SHA1 hash: d8f888cfee5175c6d4f8da8007bf9e92cc5f0d87
MD5 hash: ed3e368480ce9fdd917565b149d52e14
humanhash: november-enemy-zulu-batman
File name:SwiftMessage_Unlocked_Transaction ProofMessage.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:865'280 bytes
First seen:2022-08-08 15:24:52 UTC
Last seen:2022-08-16 09:00:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:ixgV10PpKEXK/UUHyINBMXlc1fe9IbUDHDl:agVWhtK/5pN2Xlyf7U
Threatray 14'556 similar samples on MalwareBazaar
TLSH T10A059D5BBF10324DC567A975DE4B7C61A7F22C2A322AD07A7513380E8AFF742DA11076
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
349
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SwiftMessage_Unlocked_Transaction ProofMessage.exe
Verdict:
Malicious activity
Analysis date:
2022-08-08 15:26:26 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/d6a54e1a-705a-44ab-a9ca-8c2f6c9967c4

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/297167/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f12ad4bc999d626f142918/reports/fe539961-c494-47bb-80da-83b683e90476/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/3beef348-f7bb-4608-968c-4c1e67b55336
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1047994
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 680488 Sample: SwiftMessage_Unlocked_Trans... Startdate: 08/08/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for dropped file 2->40 42 9 other signatures 2->42 8 SwiftMessage_Unlocked_Transaction ProofMessage.exe 7 2->8         started        process3 file4 28 C:\Users\user\AppData\...\wKwiksScXFp.exe, PE32 8->28 dropped 30 C:\Users\...\wKwiksScXFp.exe:Zone.Identifier, ASCII 8->30 dropped 32 C:\Users\user\AppData\Local\...\tmpFDE9.tmp, XML 8->32 dropped 34 SwiftMessage_Unloc...roofMessage.exe.log, ASCII 8->34 dropped 44 Adds a directory exclusion to Windows Defender 8->44 12 SwiftMessage_Unlocked_Transaction ProofMessage.exe 8->12         started        15 powershell.exe 25 8->15         started        17 schtasks.exe 1 8->17         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 12->50 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 56 Queues an APC in another process (thread injection) 12->56 19 explorer.exe 9 12->19 injected 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        process8 process9 25 cmd.exe 19->25         started        signatures10 46 Modifies the context of a thread in another process (thread injection) 25->46 48 Maps a DLL or memory area into another process 25->48
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3d547c5731a7c08b7d25c4724cb9ae8a75ce246dc2715ee0e58edbb5ec2221f8/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-08-08 13:02:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hvkhyvzru7aiw7jfyrzezonorj244jdnyjyv5yhfr3n3l3bceh4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ab6083c712635593c1f3229fc3ea45bde80031f5cb43042c250b3a4b99ffee4
Formbook
1b40cc7a99e0c4e22422b5c78c8a32496be11159c5fbb49e525cbd4c0e43a916
Formbook
46b08ac7a1a467f9d8053aaf6853500a32fd5c4b1acd747a9a83134f59115424
Formbook
4ece28a4229d41e763203acb8c66af294e5461b01de2c4e25daddab193dfe554
Formbook
5d927a8b4eec0763e7cfd23a430982e548ab929af69cfa6db97e9ac527d86ebd
Formbook
6e4f0f6801e6dab5b20618dd2b1588cb0ea9662873907c6c2685c6c6c1c5227f
Formbook
76b8f5ae8f1dabd71afebd7d1ed933ae69072bb1065d330dbb46b7334efffc60
Formbook
8229d465d2a78b3686a2a0f203f2e400174494feec529068ecd2a5d34eacabb7
Formbook
9cd3e493e25dfb86a8e0a80be3734072f3401e67a45e65109262fef40d40cff2
Formbook
c2073d015c278a0816ca4ae0a19892874782517dd5133a112ca1f57d44f754fb
Formbook
+ 14'546 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220808-stlfrscdhq/
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
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
6e8800c89475c00013930456cb428f01d05e69a343495c07d5e09bae582d5ff0
MD5 hash:
652dfc34ca642f9735dd6810c47e1eb4
SHA1 hash:
8ef89d30f9bc7c1a3a7f477d6d90c0650ef56a5d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/bcdbe81d-9f1f-4cd3-b885-f63decec10cf/
Parent samples :
52873d21364612b281420b1c8e04afb0c783cf44a066dd0afc2c3f37155e0ad7
8229d465d2a78b3686a2a0f203f2e400174494feec529068ecd2a5d34eacabb7
3d547c5731a7c08b7d25c4724cb9ae8a75ce246dc2715ee0e58edbb5ec2221f8
SH256 hash:
a335c3199acab92e5df621ff12d9de8edc20a03f40ca3f8ace0e128b9c1490c7
MD5 hash:
0eae8bf29d778576ba49753ee7bfc020
SHA1 hash:
e9d3e9d368fb06a5a4f73b198f17089f15ad9cce
Link:
https://www.unpac.me/results/bcdbe81d-9f1f-4cd3-b885-f63decec10cf/
SH256 hash:
642d5b8aa52ca35d8386a5b4302aa503d330753426dd950e6c2a47efdbb4b7e2
MD5 hash:
2e85fdecd9837f0895ee6568f97b3cfd
SHA1 hash:
a4df92cf9adfa1c7d26f6d19923cbfa4cbfc596f
Link:
https://www.unpac.me/results/bcdbe81d-9f1f-4cd3-b885-f63decec10cf/
SH256 hash:
bbf3da118639413943c59b9176236de6950990175779897b88497273df8f4b25
MD5 hash:
641201a6009e32b29ba43981ccac875e
SHA1 hash:
58c6f3c58a69fbe164acd5ae0e7f408f029c710b
Link:
https://www.unpac.me/results/bcdbe81d-9f1f-4cd3-b885-f63decec10cf/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/bcdbe81d-9f1f-4cd3-b885-f63decec10cf/
SH256 hash:
3d547c5731a7c08b7d25c4724cb9ae8a75ce246dc2715ee0e58edbb5ec2221f8
MD5 hash:
ed3e368480ce9fdd917565b149d52e14
SHA1 hash:
d8f888cfee5175c6d4f8da8007bf9e92cc5f0d87
Link:
https://www.unpac.me/results/bcdbe81d-9f1f-4cd3-b885-f63decec10cf/
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/3d547c5731a7c08b7d25c4724cb9ae8a75ce246dc2715ee0e58edbb5ec2221f8

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

gz a73c3241b7d3a284758cf613d27f6af5fb09595b87dcf1fca30ba9c18ae7720e

Formbook

Executable exe 3d547c5731a7c08b7d25c4724cb9ae8a75ce246dc2715ee0e58edbb5ec2221f8

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/297167/
  
Dropped by
SHA256 a73c3241b7d3a284758cf613d27f6af5fb09595b87dcf1fca30ba9c18ae7720e
  
Dropped by
MD5 4a4a75a2af6fdfaeda4d27dc491156da

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