MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b6ebee77ad8b21b22a9841ba224dd5f23091f9c6d6989c17640f0c7d0a5a759. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b6ebee77ad8b21b22a9841ba224dd5f23091f9c6d6989c17640f0c7d0a5a759
SHA3-384 hash: 6af5066fe96237458a99d9923bd350ade370bd09c401eb3c21d33b1b1a7c9e42c3aac05beb9b9993c84481fc2690f2f2
SHA1 hash: 5703eae854003cb66c54011c533347d6eb17b16f
MD5 hash: 4427333ad9b195650fbbe0baf864fd75
humanhash: april-bacon-uncle-mike
File name:owenzx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'141'248 bytes
First seen:2022-09-06 15:26:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Budh41hw4e/ehLrz1lMwUE9b1MN3GfmcQVeLDOhy5yY1Rw+4+3ow11hw4e/:GL4LJX9bGNWf0YKS3bw+4WO4
TLSH T197354C0B21950994C87251FCA4CCC5774BA6DE45E637C949BFCA9CAFF1A2F2C42D23A1
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
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)
File icon (PE):PE icon
dhash icon 10d2c4f0f2d2b030 (10 x Loki, 8 x AgentTesla, 7 x Formbook)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
313
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
owenzx.exe
Verdict:
Malicious activity
Analysis date:
2022-09-06 15:27:31 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/8fa0ff70-dfcd-48a4-a6c1-04a0d4939673

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/308243/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.4025.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
Link:
https://www.filescan.io/uploads/631767578e11a57db57ccb57/reports/f13fdb3a-2425-4dc2-b91d-4aa49a9571cb/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/75fbeb5c-2236-4606-b5c3-59add7d0234e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1065794
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
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
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3b6ebee77ad8b21b22a9841ba224dd5f23091f9c6d6989c17640f0c7d0a5a759/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-06 04:07:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
46
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hnxl5z323czbwivjqqn2ejg5l4rqsh44nvuytqlwidympuffu5mq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:os56 rat spyware stealer trojan
Link:
https://tria.ge/reports/220906-svq3msfag7/
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
Blocklisted process makes network request
Formbook payload
Formbook
Unpacked files
SH256 hash:
71e0f0b85a357c6942c94ca85b28b039ba3fec74ff0ba9c748b0853642724e31
MD5 hash:
9d69770f12819d5fec89a06d42a4a1e9
SHA1 hash:
529dc07b1fae900f6f3a27da0d7db51533ed0e77
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/fa6d557a-a5ea-4d66-9d83-cb759b628f6a/
Parent samples :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 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/fa6d557a-a5ea-4d66-9d83-cb759b628f6a/
SH256 hash:
5b4aab7b7b5b7fcbf73fca38812bd322898c11cfe067568015727cd606d589c3
MD5 hash:
fced782ae82290ea56f37a99393f01fa
SHA1 hash:
88a8e2b1ed2eadbeea66827fef4aaf02fabbac99
Link:
https://www.unpac.me/results/fa6d557a-a5ea-4d66-9d83-cb759b628f6a/
SH256 hash:
af1494cf731517d1569eccaec8f611a731c15bbd350eb847d1a23685ffa7d932
MD5 hash:
c23e6dc21027aa565bd8f7543d2afcf3
SHA1 hash:
7450d66380042e5ee3c70ec096d89a2572c65eae
Link:
https://www.unpac.me/results/fa6d557a-a5ea-4d66-9d83-cb759b628f6a/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/fa6d557a-a5ea-4d66-9d83-cb759b628f6a/
SH256 hash:
3b6ebee77ad8b21b22a9841ba224dd5f23091f9c6d6989c17640f0c7d0a5a759
MD5 hash:
4427333ad9b195650fbbe0baf864fd75
SHA1 hash:
5703eae854003cb66c54011c533347d6eb17b16f
Link:
https://www.unpac.me/results/fa6d557a-a5ea-4d66-9d83-cb759b628f6a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3b6ebee77ad8/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/3b6ebee77ad8b21b22a9841ba224dd5f23091f9c6d6989c17640f0c7d0a5a759

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

Web download

Formbook

Executable exe 3b6ebee77ad8b21b22a9841ba224dd5f23091f9c6d6989c17640f0c7d0a5a759

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2286568/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/308243/

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