MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e5d1467792caf25ac149070af9ade23a972792a9bddf7ad6b811668e7b72981. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8e5d1467792caf25ac149070af9ade23a972792a9bddf7ad6b811668e7b72981
SHA3-384 hash: 34dd8ce00d2c1ad1016932ad3c15a5427055720e5f0b36028e46d57111f99b7716146a86c3da6a4286c9e6793d3f6a87
SHA1 hash: 2bdba35fabd4239dcbce9eb563dec16ae953919c
MD5 hash: 4f3e07e33f1ae71043da696ff84cbb0d
humanhash: magazine-mockingbird-mountain-juliet
File name:zZSVA6xVEqF18fq.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:564'224 bytes
First seen:2024-07-22 20:11:33 UTC
Last seen:2024-07-24 10:35:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:CLslUIWUXnfkRIzeaR/jcNlX5mkCT0FuEMhJIsNkB:asCI9vAIzBjS1IkHFj+CB
TLSH T10CC4230B97AECC2BEA9F967449239072033B715F4D17F7F41C805692AAE73888262357
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 68d0f4d8d9f0e9d8 (3 x Formbook, 2 x AgentTesla, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
358
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8e5d1467792caf25ac149070af9ade23a972792a9bddf7ad6b811668e7b72981.exe
Verdict:
No threats detected
Analysis date:
2024-07-23 17:21:11 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/450726b0-d436-430a-b0c7-1056899cce40

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Packed2.47257.17533.29870.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669ebd1bb302ab76f4484e95
Tags:
Network Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
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 vbnet
Link:
https://www.filescan.io/uploads/669ebd1a7b9add553ed9c6da/reports/8063306b-a2e0-47cd-9584-333a3cedf147/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/8e5d1467792caf25ac149070af9ade23a972792a9bddf7ad6b811668e7b72981
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/e79f5a35-2ac1-4bfc-8ee7-93fd3e4db384
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1478653
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Switches to a custom stack to bypass stack traces
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: 1478653 Sample: zZSVA6xVEqF18fq.exe Startdate: 22/07/2024 Architecture: WINDOWS Score: 100 30 www.hatesa.xyz 2->30 32 www.y7rak9.com 2->32 34 18 other IPs or domains 2->34 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 50 8 other signatures 2->50 11 zZSVA6xVEqF18fq.exe 3 2->11         started        signatures3 48 Performs DNS queries to domains with low reputation 30->48 process4 file5 28 C:\Users\user\...\zZSVA6xVEqF18fq.exe.log, ASCII 11->28 dropped 60 Tries to detect virtualization through RDTSC time measurements 11->60 62 Switches to a custom stack to bypass stack traces 11->62 15 zZSVA6xVEqF18fq.exe 11->15         started        signatures6 process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 15->64 66 Maps a DLL or memory area into another process 15->66 68 Sample uses process hollowing technique 15->68 70 2 other signatures 15->70 18 explorer.exe 66 1 15->18 injected process9 dnsIp10 36 hatesa.xyz 3.33.130.190, 49718, 49722, 80 AMAZONEXPANSIONGB United States 18->36 38 dy6y12yz.tta88.com 80.251.211.35, 49716, 80 IT7NETCA Canada 18->38 40 3 other IPs or domains 18->40 21 chkdsk.exe 18->21         started        process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 58 Switches to a custom stack to bypass stack traces 21->58 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/8e5d1467792caf25ac149070af9ade23a972792a9bddf7ad6b811668e7b72981
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8e5d1467792caf25ac149070af9ade23a972792a9bddf7ad6b811668e7b72981/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-07-22 18:11:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rzoriz3zfsxsllausbyk7gw6eouxe6jktpo7plllqelgrz5xfgaq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:v15n rat spyware stealer trojan
Link:
https://tria.ge/reports/240722-yyvg5awejp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/58f68842-6ae9-4471-b684-23a856e59e55
Unpacked files
SH256 hash:
726fc15ab650f469e5a5c0300f5261d43961bfb5713bab962c90fbc6c37e9688
MD5 hash:
64d86b46c505b6488f6996514ec6dbe6
SHA1 hash:
3eef767b9f298582caa83eecbf0b64ed9be98a22
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/ca716f86-fdba-445c-8199-da7b6413a634/
Parent samples :
b362ced287b5f00b3b2ab2c3a7bbc85b57e13271d76a6c65423a831fde92876c
2a346621e42f809c9cbfaf01bd2baa682838165f5e24c7c945f855671fc457e4
ecf7d21e6034165420d152b1c77462ac51da9950be2b4eb32f966eda29376aa5
f9e519cd66cb6bed521306afb703672ef2ed9d82d8341398c4199be4523cad96
8e5d1467792caf25ac149070af9ade23a972792a9bddf7ad6b811668e7b72981
2a6ee6b0b17d33a011119d09d27e466d0d640314992d262f03a3789c464044d6
63e3b4304b855b3219c28b8d5306241564ac5f1752a01b5b793ee7733b4c69a7
ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6
1b9e77854e399411406c1f8e3fa6e0bceb4a1284c7bedeed503bcb24bdcfbe30
d2b2b2ae2cf256bec969052f108726d12ce6f84a2ca91f4baf4683a5bb331c86
a1ce25c899ff86db4e54d042569e0a996d399dcc9a701b551999b1edeb2acb89
SH256 hash:
3ad5b37af2b56dfe09a05e483594276f066e0749602e3ca708f313e729f0f5b3
MD5 hash:
56df25a5fe53945eea6cfa6cf29c0dec
SHA1 hash:
f5451f5a32f7a9927d27c7ccfce18ecc1ce89f9a
Link:
https://www.unpac.me/results/ca716f86-fdba-445c-8199-da7b6413a634/
SH256 hash:
b7289fc3e13d431d023183711099eae705e2af570ce7a420f52c7d6af049302a
MD5 hash:
752cab7ea8fbd4a553321b3457f63983
SHA1 hash:
394b26641a85ed6881bbbbe349f4630079dfa45f
Link:
https://www.unpac.me/results/ca716f86-fdba-445c-8199-da7b6413a634/
Parent samples :
3b5e5fb317040ff6197982f73c65426ea39e48f0108a4349acfc27468cef1e86
cb810150b6ce80f61a808726d5abfbf598239c2e8f260f83bc27d6be9488f45e
SH256 hash:
879b0485fc83149a960c04ab4fa2be4103606d0153cedee4ba4cb7d3f6753a3f
MD5 hash:
1cd0f029c6d97b9bcc95989e0cc28019
SHA1 hash:
2ec2e1ac3f22ff9b6fcd175da71dfc8707779cfa
Link:
https://www.unpac.me/results/ca716f86-fdba-445c-8199-da7b6413a634/
SH256 hash:
8e5d1467792caf25ac149070af9ade23a972792a9bddf7ad6b811668e7b72981
MD5 hash:
4f3e07e33f1ae71043da696ff84cbb0d
SHA1 hash:
2bdba35fabd4239dcbce9eb563dec16ae953919c
Link:
https://www.unpac.me/results/ca716f86-fdba-445c-8199-da7b6413a634/
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

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