MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df40a36c01c2a67d0343913950f8c79d0937dcb2e29d7fa4d12dba92128efc02. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: df40a36c01c2a67d0343913950f8c79d0937dcb2e29d7fa4d12dba92128efc02
SHA3-384 hash: 2b3daab7fdf4bb5522dcd164a91e4fd0b1db691812d5df63ffad239193c6be57047c4fa0e6b01837ab55dad4d14d2b30
SHA1 hash: df115cf05f84f41d1309fb35308f359200209286
MD5 hash: 0bc52d55c4cf2357b2f5a535141c39c4
humanhash: fix-bravo-white-queen
File name:SecuriteInfo.com.Win32.PWSX-gen.3894.15937
Download: download sample
Signature Formbook
Create hunting rule
File size:759'296 bytes
First seen:2024-09-03 04:18:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'634 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Z3zjLf30WH0TwOqp0c4yKJ0Gin+LwXZhJ0JxxboCsioM+h5oh8Bhat1hM:Zjj0ywkpLFKJ0CEpQJV3yjoOBhk
Threatray 223 similar samples on MalwareBazaar
TLSH T105F402C2B3A43B15C4BB16B609560DD61FF0BC296B72EA511FC632BB5CB3752A920347
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 64a4b2d259c9cc4c (3 x AgentTesla, 1 x Formbook, 1 x MassLogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
424
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.3894.15937
Verdict:
No threats detected
Analysis date:
2024-09-03 04:19:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/aa96b616-2fed-4c00-b941-ee39834e741b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.3894.15937.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d68e39f3d7ccf99f8fa94c
Tags:
m s i l
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 vbnet
Link:
https://www.filescan.io/uploads/66d68e36dd72fcc8133f9466/reports/d81d870e-937a-4f22-a345-8f341f2f3327/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/df40a36c01c2a67d0343913950f8c79d0937dcb2e29d7fa4d12dba92128efc02
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/99a8fcbf-2932-40ec-87b5-f13d3490b632
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1503196
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted 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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/df40a36c01c2a67d0343913950f8c79d0937dcb2e29d7fa4d12dba92128efc02
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/df40a36c01c2a67d0343913950f8c79d0937dcb2e29d7fa4d12dba92128efc02/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=35akg3abykth2a2dse4vb6ghtuetpxfs4kox7jgrfw5jeeuo7qba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3b746894d0a71f6162d96d2af36bea8d794d7e23af44c5536fcf97d416510a6e
Formbook
795a83d84b04c245a8b0ad9221ea20a4635ad6654f22d533f499a5523ee2fe71
Formbook
ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a
Formbook
d00473faeb52860f46c2f850f4bda73473b569a3ce79974b909c4203b63dcf95
Formbook
df40a36c01c2a67d0343913950f8c79d0937dcb2e29d7fa4d12dba92128efc02
Formbook
f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c
Formbook
+ 213 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:b31a discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/240903-exhmdsyapf/
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/03133671-c40e-4a0e-bd6a-3a1e01575117
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/11e4fe63-3f6c-457e-a729-0503310b6ea5/
Parent samples :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 hash:
7a4b1c2b3a236bc7cac25c9aa07163d9eb19233065e88b7304ce6e46c6a36e0f
MD5 hash:
7fa95c2554a74e0805581e20305069d8
SHA1 hash:
aa77eebba993f3e79b4971f5c135286e40b066a1
Link:
https://www.unpac.me/results/11e4fe63-3f6c-457e-a729-0503310b6ea5/
SH256 hash:
fc82e40696dab3bac254a252d24690e2119e35c04531c4f6df70a7bd5f9dd23a
MD5 hash:
824e65d136e1fcca4ca4846137cec1f7
SHA1 hash:
28a4b4a331bcd6cf85570eba1b166a3bf4cb6d73
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/11e4fe63-3f6c-457e-a729-0503310b6ea5/
SH256 hash:
df40a36c01c2a67d0343913950f8c79d0937dcb2e29d7fa4d12dba92128efc02
MD5 hash:
0bc52d55c4cf2357b2f5a535141c39c4
SHA1 hash:
df115cf05f84f41d1309fb35308f359200209286
Link:
https://www.unpac.me/results/11e4fe63-3f6c-457e-a729-0503310b6ea5/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/df40a36c01c2/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/df40a36c01c2a67d0343913950f8c79d0937dcb2e29d7fa4d12dba92128efc02

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

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

Comments