MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4994e7acf451ce7d8abdccb79cce806011f09bd49a811fcd2689f32a51fdee09. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
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SHA256 hash: 4994e7acf451ce7d8abdccb79cce806011f09bd49a811fcd2689f32a51fdee09
SHA3-384 hash: d005f8919fc3ffe834415b0037c97d3e34dbfd31f859104fc779f2ecb7c81d74ba0649769dbf0584b2efc4a2a5c14588
SHA1 hash: ba940b4847311ac0f70b1e58c5a7b0db50992f92
MD5 hash: 4a8f3c4cbeb7407b1a7f2c3ac25ea8c6
humanhash: magnesium-zebra-island-eleven
File name:4a8f3c4cbeb7407b1a7f2c3ac25ea8c6
Download: download sample
Signature Formbook
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File size:832'000 bytes
First seen:2022-08-28 11:42:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:y2iNanwHSHe+IYPM462hzqaBSdr0iOse1/5UXD586cQz3a6vCn/xfFu+kOL85Ufn:y18na86b0ieAXbF6/xfFu+yKWsDcq
TLSH T15A0512CB16DC8712D47943F8BC122C449BAC254D99D2E65A287209FF2E343065DABDBF
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) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon ce9c9496e4949c9c (73 x AgentTesla, 51 x SnakeKeylogger, 30 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
SC-4557175394.doc
Verdict:
Malicious activity
Analysis date:
2022-08-26 17:34:13 UTC
Tags:
exploit CVE-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/2bb7cb87-e350-4cfd-84dd-28c8d97abc1f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/301849/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
formbook packed remcos
Link:
https://www.filescan.io/uploads/630b550f096983248ac99023/reports/04f5e851-924e-4098-a328-fdae20b14d02/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3d6c5921-eb13-448c-b12f-f2fa72e3f0de
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1059259
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 691776 Sample: 2fqmV0En4l.exe Startdate: 28/08/2022 Architecture: WINDOWS Score: 100 32 www.saudalasfoor.com 2->32 34 saudalasfoor.com 2->34 38 Multi AV Scanner detection for domain / URL 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 7 other signatures 2->44 9 2fqmV0En4l.exe 3 2->9         started        signatures3 process4 file5 24 C:\Users\user\AppData\...\2fqmV0En4l.exe.log, ASCII 9->24 dropped 12 2fqmV0En4l.exe 9->12         started        15 2fqmV0En4l.exe 9->15         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 12->54 56 Maps a DLL or memory area into another process 12->56 58 Sample uses process hollowing technique 12->58 60 Queues an APC in another process (thread injection) 12->60 17 explorer.exe 12->17 injected process8 dnsIp9 26 www.tamedandframed.co.uk 81.17.18.197, 49769, 49770, 80 PLI-ASCH Switzerland 17->26 28 www.sleepcouncil.co.uk 213.171.195.105, 49774, 49775, 80 ONEANDONE-ASBrauerstrasse48DE United Kingdom 17->28 30 5 other IPs or domains 17->30 36 System process connects to network (likely due to code injection or exploit) 17->36 21 wscript.exe 13 17->21         started        signatures10 process11 signatures12 46 Tries to steal Mail credentials (via file / registry access) 21->46 48 Tries to harvest and steal browser information (history, passwords, etc) 21->48 50 Deletes itself after installation 21->50 52 2 other signatures 21->52
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/4994e7acf451ce7d8abdccb79cce806011f09bd49a811fcd2689f32a51fdee09/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2022-08-26 21:04:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
17 of 40 (42.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jgkoplhukhhh3cv5zs3zztuamai7bg6utkar7tjgrhzsuup55yeq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/220828-nvkhmshgh9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
8a6b47a718c32024087ddf680f447fa92620112acb97b5e0d02a89e2b1a617f6
MD5 hash:
3addec9f1399f8159933ec60e5dc8e86
SHA1 hash:
286f2e71868d0957660ef2c932d62e17bb2e5b83
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/faabd9bb-870e-4a0c-8764-978ba5f60e02/
Parent samples :
28ef8e19f33ee91bd8cd2e0fcbc9b9cf328313c543f65aaeb116646916e99fb0
c5f31d9d3c1a204926f1a87c5873b01ba37153af5e55594ac5037091d56026ac
c7557c5b17e5816621fe3613fc728513f3cc7868f46a3740b762413a460922a9
4994e7acf451ce7d8abdccb79cce806011f09bd49a811fcd2689f32a51fdee09
24dbe688a855d9f0c1db91574e24837ab537b63a2e69c8a55240b14f151e5ed2
84780665db026468f4cbe135a5f51f838688b9e208aa126620114debcbc3fa23
SH256 hash:
ab34a1ae6f631d6b44ba409519482065ed654e8a16db35b6e4fa139b0ec48199
MD5 hash:
9bca86c1722ec4d39aaeb0f4b6ac797d
SHA1 hash:
af7307e732b9088e5f7f2d70b389bfdb553c0a24
Link:
https://www.unpac.me/results/faabd9bb-870e-4a0c-8764-978ba5f60e02/
SH256 hash:
49732a7302d00488bd6547d65e0cc569941d399fa977b4447ab1cff39d27bf70
MD5 hash:
0b69195c59fd8ab9e24b6ef445e8ae36
SHA1 hash:
91a5c2a74ffda213586e62f100ce1e82a0e701e7
Link:
https://www.unpac.me/results/faabd9bb-870e-4a0c-8764-978ba5f60e02/
SH256 hash:
7a6d5500275aa1d85992888d9a8012e91f0ed91d1d1d6cc1ecaf251ee72a1458
MD5 hash:
f8e80ff7660d277c140e8257dad8020b
SHA1 hash:
2eea35e0a1edf599c76d44dda30bc3f59c17e3b6
Link:
https://www.unpac.me/results/faabd9bb-870e-4a0c-8764-978ba5f60e02/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/faabd9bb-870e-4a0c-8764-978ba5f60e02/
SH256 hash:
4994e7acf451ce7d8abdccb79cce806011f09bd49a811fcd2689f32a51fdee09
MD5 hash:
4a8f3c4cbeb7407b1a7f2c3ac25ea8c6
SHA1 hash:
ba940b4847311ac0f70b1e58c5a7b0db50992f92
Link:
https://www.unpac.me/results/faabd9bb-870e-4a0c-8764-978ba5f60e02/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/4994e7acf451ce7d8abdccb79cce806011f09bd49a811fcd2689f32a51fdee09

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: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.

Web download

Formbook

Executable exe 4994e7acf451ce7d8abdccb79cce806011f09bd49a811fcd2689f32a51fdee09

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2271081/
Cape
Cape
https://www.capesandbox.com/analysis/301849/

Comments


Avatar
zbet commented on 2022-08-28 11:42:23 UTC

url : hxxp://208.67.105.179/obizx.exe