MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
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SHA256 hash: 66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f
SHA3-384 hash: e3e2a36567a92bde5beed07c03a3b1d6f4edc015b4b93f1a17c7ecfb224fe9eb652e61f85b77871a86315bc507894c90
SHA1 hash: e5b325831d125d0e0fc0cd32d91b4dd98e37641e
MD5 hash: 7dafccdeec7edd03008679c553a61b1d
humanhash: friend-oscar-nebraska-carbon
File name:SecuriteInfo.com.Win32.PWSX-gen.2553.27488
Download: download sample
Signature Formbook
Create hunting rule
File size:673'280 bytes
First seen:2024-09-04 05:22:05 UTC
Last seen:2024-09-04 17:56:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:B0qJXJTVBM95G83u1U/td1uGw4A606fX+bbZ24FAJ79VvMqs:B5hI9Q8+1yvEGw4ApA+VFAJfk
TLSH T1A6E401582645D403CA5853B44AB2F2B813BC9EEDB402E3838FD96DEFBD66F054D18693
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 5454445454545454 (5 x Formbook, 4 x AgentTesla, 2 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
414
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.2553.27488
Verdict:
No threats detected
Analysis date:
2024-09-04 05:22:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5d675e1d-e52f-4716-8195-c3d19abc71d6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.2553.27488.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d7eebbf3d7ccf99f8fddc2
Tags:
Static Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66d7eeb82d3bce34c75432c4/reports/f9f74436-8986-4f09-bfbb-7a0d8c4ab386/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f
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/09dd5a07-89dc-4069-a80f-34c04db000af
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1503902
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
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Status:
Malicious
First seen:
2024-09-04 03:52:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m3xgomk6jagzlvdonwcas2te7s4zaofvmxtuv65igfeh7hlviypq._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:b31a discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/240904-f25s6awgrb/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6268a7c9-58f6-453a-90ef-c1e6a579098b
Unpacked files
SH256 hash:
c83c0a367712867b960ce8d742a57cfe6231d65cfe5eb14cdcced497d77fcd65
MD5 hash:
3abd239253118b6d0a823b9efd1ca97c
SHA1 hash:
1da5c763b07be907a24dc57d3d22e278ca9be6ad
Detections:
FormBook
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/2afd2c86-e77c-4055-a360-37292eb3a306/
Parent samples :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 hash:
086284125fce18e6e0112fce0cd1ea94162975a480af8a542013027e060f73c6
MD5 hash:
4d63a044deba13caf6e8c822e5ef6bfe
SHA1 hash:
1bc370c2e84d1e26257f30cac53a1002c880e97e
Link:
https://www.unpac.me/results/2afd2c86-e77c-4055-a360-37292eb3a306/
SH256 hash:
447a71dbeca403d98e23029fdb11f0d393767bf95779af964648f01500272719
MD5 hash:
e4d29a9eea17f21fba7200a284658bca
SHA1 hash:
15f47affcaceebc4cdef74a51a7aa1cc140e44be
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/2afd2c86-e77c-4055-a360-37292eb3a306/
SH256 hash:
66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f
MD5 hash:
7dafccdeec7edd03008679c553a61b1d
SHA1 hash:
e5b325831d125d0e0fc0cd32d91b4dd98e37641e
Link:
https://www.unpac.me/results/2afd2c86-e77c-4055-a360-37292eb3a306/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/66ee67315e48/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/66ee67315e480d95d46e6d84096a64fcb99038b565e74afba831487f9d75461f

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:NET
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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