MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 356dd4d1abe930b8189e5d5a1870c6a70236a12db73b24c19d0e461056c15dfa. 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 5 File information Comments
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SHA256 hash: 356dd4d1abe930b8189e5d5a1870c6a70236a12db73b24c19d0e461056c15dfa
SHA3-384 hash: 28c302e51d2f749699245fae49c80f0de7e482446cac50990242c4448d16a3a3e1b413f40d8722fa1391afca4fef2b98
SHA1 hash: 28d123dd5f049724ec34cea59a73fb7385b3f904
MD5 hash: f99cdd71043a75d4fe553fb39de6d3e5
humanhash: nebraska-mexico-speaker-william
File name:Ot7EdLwo881ajbV.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:632'320 bytes
First seen:2024-10-21 09:27:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:jfAcXkhMOoltiJ5i/6Ob/Bc1WsML0oORqYQb7Z4TwmlKfKPH1fG0Q4bXtk+yE:pkh5oDiJ5i/6ObZcpMnnYQvZo8fKdf/T
Threatray 1'797 similar samples on MalwareBazaar
TLSH T1D2D4229A75684F1BCAFDA3F68073986007B734110463DB442ECAA0E766B7F099B11F5A
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon 248239e8f0e800c4 (6 x Formbook, 2 x SnakeKeylogger, 1 x AsyncRAT)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
424
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Product Inquiry_1.r01
Verdict:
Suspicious activity
Analysis date:
2024-10-21 09:28:20 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/ca66b419-6e23-4640-8953-93a928cf06a8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.10173.7875.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67161e6f9e67c2468202b737
Tags:
Trojan Micro Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67161ea371846600385304ee/reports/f5e7d8e2-675d-4afc-8740-38ac648c83dc/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/356dd4d1abe930b8189e5d5a1870c6a70236a12db73b24c19d0e461056c15dfa
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/e18236a7-1d3d-4c39-b012-896466f89bb3
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1538476
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Reads the DNS cache
Sample uses process hollowing technique
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1538476 Sample: Ot7EdLwo881ajbV.exe Startdate: 21/10/2024 Architecture: WINDOWS Score: 100 30 www.pon-nacgrz.xyz 2->30 32 www.olicy-yzipy.xyz 2->32 34 10 other IPs or domains 2->34 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 46 9 other signatures 2->46 11 Ot7EdLwo881ajbV.exe 3 2->11         started        signatures3 44 Performs DNS queries to domains with low reputation 32->44 process4 file5 28 C:\Users\user\...\Ot7EdLwo881ajbV.exe.log, ASCII 11->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 11->56 58 Injects a PE file into a foreign processes 11->58 60 Switches to a custom stack to bypass stack traces 11->60 15 Ot7EdLwo881ajbV.exe 11->15         started        signatures6 process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 15->62 64 Maps a DLL or memory area into another process 15->64 66 Sample uses process hollowing technique 15->66 68 2 other signatures 15->68 18 explorer.exe 72 1 15->18 injected process9 signatures10 36 Uses ipconfig to lookup or modify the Windows network settings 18->36 21 ipconfig.exe 18->21         started        process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Reads the DNS cache 21->50 52 Maps a DLL or memory area into another process 21->52 54 2 other signatures 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/356dd4d1abe930b8189e5d5a1870c6a70236a12db73b24c19d0e461056c15dfa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/356dd4d1abe930b8189e5d5a1870c6a70236a12db73b24c19d0e461056c15dfa/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-10-21 08:35:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gvw5junl5eylqge6lvnbq4ggu4bdnijnw45sjqm5bzdbavwblx5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
206f17d8a641d884bba4bf29413d8c11ececdc220a22777455b23f1cad77dd9d
Formbook
2d9e008828a19f6329b2ca4abcfdefa9b124e1eb5eb3270be8b6f1f77476b3d1
Formbook
4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe
Formbook
7565e6753a23fa9393cd3a32b1f65153658a48d8a289a2571fd9285f6628ac65
Formbook
795a83d84b04c245a8b0ad9221ea20a4635ad6654f22d533f499a5523ee2fe71
Formbook
79e31e087939f413301f214a422c46f9d32ed435fc34822611cb08a74266ba44
Formbook
7dbfe3e815092dfd471861a962bbb464ec76438144f4cb5dd031b02eda2f8ea9
Formbook
ad796730fe76da567b892419b2cdba44eeaef29bf62b637c3c3af4cce42886ce
Formbook
e171a6d388f4cd1e2051d0f29b720c84a52876a3208af1824e9b634c2117b4ee
Formbook
error
Formbook
ffaa78a8a97885716e7dbe2a4a7ed9e1593ea5690f02f79f5d63c9b4964559da
Formbook
+ 1'787 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dr14 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/241021-lfbk3sybng/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d0a9cc04-f421-4994-b57e-68c408b01b73
Unpacked files
SH256 hash:
356dd4d1abe930b8189e5d5a1870c6a70236a12db73b24c19d0e461056c15dfa
MD5 hash:
f99cdd71043a75d4fe553fb39de6d3e5
SHA1 hash:
28d123dd5f049724ec34cea59a73fb7385b3f904
Link:
https://www.unpac.me/results/ee60ec7f-2622-4cab-8bab-f4163f965598/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/356dd4d1abe9/report/overview.html
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/356dd4d1abe930b8189e5d5a1870c6a70236a12db73b24c19d0e461056c15dfa

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
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.

Malspam

Formbook

Executable exe 356dd4d1abe930b8189e5d5a1870c6a70236a12db73b24c19d0e461056c15dfa

(this sample)

  
Delivery method
Distributed via e-mail attachment

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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