MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c835aea417aae501813df52306ed19c591869eee045da1fc7ede6b7946aebce. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c835aea417aae501813df52306ed19c591869eee045da1fc7ede6b7946aebce
SHA3-384 hash: eb17dcf653dd1b6ebc72a56c405ceaf596178252e3bcc46a504e278e33ef31c7c2cd2c07810f39db719db62fcf3c6b94
SHA1 hash: bf60f1489efbc0b16b0ca44cb565ef0ed33e0091
MD5 hash: 0a8a199b01c7abbb52a608bc7a8dc0d3
humanhash: robert-muppet-oranges-nuts
File name:PURCHASE INQUIRY FOR 151#_PDF____________________..EXE
Download: download sample
Signature Formbook
Create hunting rule
File size:698'880 bytes
First seen:2023-05-15 07:21:15 UTC
Last seen:2023-05-16 08:02:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:FysSb92pxtvtTX4pI7hGtlrexICfEFj7EXehUYRbSoy:E2xt1z4pI4fSeCf0j7EXEbSt
TLSH T186E4E010B0BE4877C7AD43F605481A480BB551AABD27D6FC1D9E70CAEED2F011B52EA7
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% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0c6c4c5ac4c9c0a4 (6 x Loki, 6 x AgentTesla, 5 x Formbook)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
253
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE INQUIRY FOR 151#_PDF____________________..EXE
Verdict:
Suspicious activity
Analysis date:
2023-05-15 07:23:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a9c69bc4-0be4-4bbc-b65e-4d09d0dea103

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/389968/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.29757.6730.12076.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6461dd9c50d4f3894cdeb8e3/reports/6c3d8417-0ee1-4920-8c1f-6e343e20245c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4c835aea417aae501813df52306ed19c591869eee045da1fc7ede6b7946aebce
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/92c1756b-c257-4bb9-9c50-14def13135fa
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1233463
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c835aea417aae501813df52306ed19c591869eee045da1fc7ede6b7946aebce/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-15 07:10:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jsbvv2sbpkxfagat35jda3wrtrmrq2po4bc5uh6h5xtlpfdk5pha._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230515-h68fysfb96/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
9b21debe11f6aa194fdd1a7618a71d7a3b240f671544a5dd26e901a5110dfb5b
MD5 hash:
a9751fc19892615fa217df414ae9c992
SHA1 hash:
4ca886c15019eb07d9e1bcd86d2ca2d0a71d978b
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3180022c-2ca3-4d24-886d-d94d579d4976/
Parent samples :
4c835aea417aae501813df52306ed19c591869eee045da1fc7ede6b7946aebce
605f71ec40753fc1ed109e605c82d7817754acf6f2ad10adf0699aec99173609
e0b295c6ff8b659d36af3e6b48ce997d4e094d8f50bd14ec71c309a46024dad5
1bdb8590762f40393359ab5a12face2f6affce13834fb427d800e4eb2fdb0e63
032454dace97a2e1d466b0a2749f8a3fbaac125c110a89f43a1ecac98aa05b49
SH256 hash:
d9bdc9ff83f9a6b14cabd68d2fdc880c49cb0c9aaa548334d27e1cb809f704a2
MD5 hash:
49285c96182b78cd550e17ba061fea7c
SHA1 hash:
fed1be6a91d86ec2d50fcf8cb460dfaa3b3ed5bd
Link:
https://www.unpac.me/results/3180022c-2ca3-4d24-886d-d94d579d4976/
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/3180022c-2ca3-4d24-886d-d94d579d4976/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
02899fe0ef043c0301516c7c77fc1a01d11fd95c8049657d1697e07f69e23fb0
MD5 hash:
75df2590f1e4095a96d4f855fc794c4f
SHA1 hash:
296fdc44341a5e0207406dbe251b8091a8b90bad
Link:
https://www.unpac.me/results/3180022c-2ca3-4d24-886d-d94d579d4976/
SH256 hash:
9bb56c65a040d14862692f5a2b1d6d57c92b814034a248b1ba8c1baed5c19b27
MD5 hash:
f40c09ce7c2bcb823bb56ac00fa07d28
SHA1 hash:
1a5f2b040098f6fc2b739a473ee35f0ca7f2723a
Link:
https://www.unpac.me/results/3180022c-2ca3-4d24-886d-d94d579d4976/
SH256 hash:
6722a58c81f6d11004e880bd8481acc423bf96afd46bf692f1562cfa4c5852bd
MD5 hash:
d92d2ba953be4be2d6f2bc859ec5c607
SHA1 hash:
05da51752277bd907ebcfb799524ec7655abbc3a
Link:
https://www.unpac.me/results/3180022c-2ca3-4d24-886d-d94d579d4976/
SH256 hash:
4c835aea417aae501813df52306ed19c591869eee045da1fc7ede6b7946aebce
MD5 hash:
0a8a199b01c7abbb52a608bc7a8dc0d3
SHA1 hash:
bf60f1489efbc0b16b0ca44cb565ef0ed33e0091
Link:
https://www.unpac.me/results/3180022c-2ca3-4d24-886d-d94d579d4976/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c835aea417a/report/overview.html
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: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

iso f5800f81bab85ebccf47d02e146ddaf82703a12f798ab90a6ceb45cccf598571

Formbook

Executable exe 4c835aea417aae501813df52306ed19c591869eee045da1fc7ede6b7946aebce

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f5800f81bab85ebccf47d02e146ddaf82703a12f798ab90a6ceb45cccf598571
Cape
Cape
https://www.capesandbox.com/analysis/389968/
  
Dropped by
MD5 269e1b7de85c326f64a0a30d1a34b3f4

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