MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43141e46fdafbf6529ef4319ee733ef308a6e6e12278e74c135d977a5b135876. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43141e46fdafbf6529ef4319ee733ef308a6e6e12278e74c135d977a5b135876
SHA3-384 hash: 614a44a7734cdbae8233c584b98e697b7e2392e56d74695b60fabab77d49b7bbb93acb08bcb45deacc8d2b6760100132
SHA1 hash: a151b81cb9ffe24b50edaa8ef497489fd4758d94
MD5 hash: 5381442c29beed80de093186e06af056
humanhash: may-social-hamper-sierra
File name:5381442c29beed80de093186e06af056.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:705'024 bytes
First seen:2023-11-13 16:38:12 UTC
Last seen:2023-11-13 19:04:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:5WOTNXc36vunBAFnS1s+GAiPop6nxLuxvI14bnUXBCcDPO0J:k3SuBqS1LEPoouRICoXxp
Threatray 339 similar samples on MalwareBazaar
TLSH T152E4016816E80A16F9BF47FDB431910093B0F212656BF39E4AA564FD1CB3790C821B7B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 54b2f0d4ccccf010 (6 x Formbook, 4 x AgentTesla, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
295
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
1451__TrogeShippingSchedule.doc
Verdict:
Malicious activity
Analysis date:
2023-11-13 18:55:24 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader
Link:
https://app.any.run/tasks/a4877622-6004-4ce4-8084-43806469641e

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/458363/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.11767.20300.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin packed remote
Link:
https://www.filescan.io/uploads/65525128641154c7e3f5bf00/reports/726fe51a-56ab-40f5-add4-5364c3f930f5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/43141e46fdafbf6529ef4319ee733ef308a6e6e12278e74c135d977a5b135876
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/fa74990a-8c1d-4eb8-9469-2bb4b7702e7a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1341818
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1341818 Sample: Sshoueh5iH.exe Startdate: 13/11/2023 Architecture: WINDOWS Score: 100 33 www.yorent-auto.com 2->33 35 www.xlookcoins.top 2->35 37 12 other IPs or domains 2->37 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 10 other signatures 2->45 11 Sshoueh5iH.exe 2 2->11         started        signatures3 process4 signatures5 53 Tries to detect virtualization through RDTSC time measurements 11->53 14 Sshoueh5iH.exe 11->14         started        process6 signatures7 55 Modifies the context of a thread in another process (thread injection) 14->55 57 Maps a DLL or memory area into another process 14->57 59 Sample uses process hollowing technique 14->59 61 Queues an APC in another process (thread injection) 14->61 17 explorer.exe 39 1 14->17 injected process8 dnsIp9 27 www.yorent-auto.com 74.208.236.242, 49728, 80 ONEANDONE-ASBrauerstrasse48DE United States 17->27 29 urbiznet.com 160.153.0.180, 49722, 80 GODADDY-AMSDE United States 17->29 31 7 other IPs or domains 17->31 20 wlanext.exe 17->20         started        process10 signatures11 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/43141e46fdafbf6529ef4319ee733ef308a6e6e12278e74c135d977a5b135876
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/43141e46fdafbf6529ef4319ee733ef308a6e6e12278e74c135d977a5b135876/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-11-13 13:57:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=imkb4rx5v67wkkppimm644z66meknzxbej4ootatlwlxuwytlb3a._file
Verdict:
malicious
Label(s):
formbook
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agenttesla
Create hunting rule
Similar samples:
354bb2d5a03e3c1d041730e3478e80ab5a264fd852e146e880834a346fc63579
Formbook
6467245f6d186b2dd54ba139a2bd8ea38cafe83952d7c20cd0937c53b9e9cb6a
Formbook
6a14e79be0398899cfc53dc234f9e51f13705afe8b2cf15c404923bb6706ea09
Formbook
7da9294ba554d4c17ed9e4caac9836e303980814c7898b422ccde7a246ac26a5
Formbook
83fe062cb82d518d92a41e899c47291e38a613eb7b3c043712f6f20bb7d98bee
Formbook
d6acbff1266eaf0979632a8bc6874a9ec934800cf6a039f0132a148447d0811a
Formbook
f36f3336aedc47e7ec061cc5a11589d9e3adcff96bbc805a8da7ac0182d40e22
Formbook
+ 329 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fs35 rat spyware stealer trojan
Link:
https://tria.ge/reports/231113-t5yqxaed69/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
ebb46bf819d57e643e831c8cd436414a8961ab6112a7a4ce580fcf23e455030b
MD5 hash:
c90142f38b1efda69b3c2af1ad87f5ae
SHA1 hash:
3b34c8e64904987cd75b1a7b09105a39dc66f473
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/81be3ad7-5ce2-4af1-9d97-3a20c968dc86/
Parent samples :
6467245f6d186b2dd54ba139a2bd8ea38cafe83952d7c20cd0937c53b9e9cb6a
f36f3336aedc47e7ec061cc5a11589d9e3adcff96bbc805a8da7ac0182d40e22
43141e46fdafbf6529ef4319ee733ef308a6e6e12278e74c135d977a5b135876
cf33cf1b99aec2e58ebff495b327734f9d444884af6846ea086c210bd4ee2623
6d8288a0edeabb4ce9889e7effa3983f1b300d49082e5eed5e8d9d256b4e2367
SH256 hash:
2fa01f7c80665e6550e66dd8f10ed9d8d5bb0c63a12ab8b4c73387f432b154a9
MD5 hash:
0cf5af19ed773f1278988c9308c07012
SHA1 hash:
f2fd7eeaca052852a303b4bea5f72e62eb7630e0
Link:
https://www.unpac.me/results/81be3ad7-5ce2-4af1-9d97-3a20c968dc86/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/81be3ad7-5ce2-4af1-9d97-3a20c968dc86/
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
Link:
https://www.unpac.me/results/81be3ad7-5ce2-4af1-9d97-3a20c968dc86/
SH256 hash:
43141e46fdafbf6529ef4319ee733ef308a6e6e12278e74c135d977a5b135876
MD5 hash:
5381442c29beed80de093186e06af056
SHA1 hash:
a151b81cb9ffe24b50edaa8ef497489fd4758d94
Link:
https://www.unpac.me/results/81be3ad7-5ce2-4af1-9d97-3a20c968dc86/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/43141e46fdaf/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/43141e46fdafbf6529ef4319ee733ef308a6e6e12278e74c135d977a5b135876

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.

Web download

Formbook

Executable exe 43141e46fdafbf6529ef4319ee733ef308a6e6e12278e74c135d977a5b135876

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2726989/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/458363/

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