MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41426da4ffb12d1285c4fe16e9f79ebc28150cd6552b7ce06292143a59caacca. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41426da4ffb12d1285c4fe16e9f79ebc28150cd6552b7ce06292143a59caacca
SHA3-384 hash: 4e909ed14815f147810ed5c95cfa0f44cc2027d6d3de9013e03fb252f96b38f6924990536671e02df46fec190436fbc0
SHA1 hash: 217594f0b85b63d81ba5b7e5b63ed5301250427f
MD5 hash: ce949701364a956a8131a4325a634d08
humanhash: robin-muppet-angel-comet
File name:ce949701364a956a8131a4325a634d08.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:801'280 bytes
First seen:2023-02-07 18:56:04 UTC
Last seen:2023-02-07 20:48:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:arxN5IC54TWM536x4L2WMfcTaJ4ec08f1vBA:atgia36x4LaQuF8I
TLSH T19C05234D537DDB62D7668A78C5FA4C2493BE9629B261F31DCFC920ED2E13F840A42603
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)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ce949701364a956a8131a4325a634d08.exe
Verdict:
Suspicious activity
Analysis date:
2023-02-07 19:04:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6dc17729-56ea-4fc5-a859-f3ffa430f6b2

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/361559/
Detection(s):
SecuriteInfo.com.Variant.Lazy.294409.23346.22725.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/63e29ec989bd67c10fdd1057/reports/36e86a14-fd2c-49bc-a106-01707f0b2aab/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/41426da4ffb12d1285c4fe16e9f79ebc28150cd6552b7ce06292143a59caacca
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/5e552e7d-9920-460b-af17-b5bb4467f4ec
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1168068
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Deletes itself after installation
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 domain / URL
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 800855 Sample: WHNfwwHtYG.exe Startdate: 07/02/2023 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Multi AV Scanner detection for domain / URL 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 5 other signatures 2->38 8 WHNfwwHtYG.exe 3 2->8         started        process3 file4 22 C:\Users\user\AppData\...\WHNfwwHtYG.exe.log, ASCII 8->22 dropped 48 Injects a PE file into a foreign processes 8->48 12 WHNfwwHtYG.exe 8->12         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 12->50 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 56 Queues an APC in another process (thread injection) 12->56 15 explorer.exe 1 6 12->15 injected process8 dnsIp9 24 www.album0186.online 46.28.106.170, 49722, 49723, 49724 WEDOSCZ Czech Republic 15->24 26 yrandalljohanw.fun 194.180.208.76, 80 PTPEU unknown 15->26 28 3 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 help.exe 13 15->19         started        signatures10 process11 signatures12 40 Tries to steal Mail credentials (via file / registry access) 19->40 42 Tries to harvest and steal browser information (history, passwords, etc) 19->42 44 Deletes itself after installation 19->44 46 2 other signatures 19->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/41426da4ffb12d1285c4fe16e9f79ebc28150cd6552b7ce06292143a59caacca/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-07 18:57:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ifbg3jh7wewrfboe7ylot546xqubkdgwkuvxzydcsikduwokvtfa._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/230207-xleepsge4v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
04c51d01e14e81780bb09d209a3df3f41aff538977dc517461f720af1d9f9254
MD5 hash:
ce26a46b76aa08ab5f28d3dd91ae0a11
SHA1 hash:
721dabe74f55ffcee40e4974d152dc85b9c6c98e
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/e563c0e1-4d4a-4991-ada7-c9e7ee3f7812/
Parent samples :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 hash:
1681aeaf5497a7c6dfcac31e0f76d8d4532f8bb37a15d9213ea1cb9310e61260
MD5 hash:
f157f8d5bab8c393b3516c1d5fc4790a
SHA1 hash:
74c4578e3b9378d7874f8d81f4712b06a7d18b8b
Link:
https://www.unpac.me/results/e563c0e1-4d4a-4991-ada7-c9e7ee3f7812/
SH256 hash:
6384dabeffdc0afc3d7f1e18d0033e7482790c0aa2f1f2af7cc39eb81795d0ef
MD5 hash:
f759d70f3bbee3865d9ba45b70c59bea
SHA1 hash:
f07ca29866cf8b0d92f18904860c40a284a5f550
Link:
https://www.unpac.me/results/e563c0e1-4d4a-4991-ada7-c9e7ee3f7812/
SH256 hash:
14cdefe0000e5721be650dd709b728ef3cbb356ffd225a20829987f7329c034a
MD5 hash:
26b9da8ad6eaf7b5ebde077c22e49e29
SHA1 hash:
eda62d3354fc5920bad1801bfefa1f8e7cd04f5c
Link:
https://www.unpac.me/results/e563c0e1-4d4a-4991-ada7-c9e7ee3f7812/
SH256 hash:
12a84144384275b8b8360ae8bf81cd14818dcbc9b1f7e9b289550cba208f17ef
MD5 hash:
ed39381f28b6c3942b7e27b2bd8f8aa0
SHA1 hash:
8f76c49c0ec99c133791d18f56e54883a6549ca9
Link:
https://www.unpac.me/results/e563c0e1-4d4a-4991-ada7-c9e7ee3f7812/
SH256 hash:
8f0c7e3047346b8d6477ff6d4639fd6157602c7ebc840f3432b99263f1cb415c
MD5 hash:
e5b073b30db1b058298f5df032164e4d
SHA1 hash:
15d3ada4e7ac01b766615b9b66785e7e2ae9b0ca
Link:
https://www.unpac.me/results/e563c0e1-4d4a-4991-ada7-c9e7ee3f7812/
SH256 hash:
41426da4ffb12d1285c4fe16e9f79ebc28150cd6552b7ce06292143a59caacca
MD5 hash:
ce949701364a956a8131a4325a634d08
SHA1 hash:
217594f0b85b63d81ba5b7e5b63ed5301250427f
Link:
https://www.unpac.me/results/e563c0e1-4d4a-4991-ada7-c9e7ee3f7812/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/41426da4ffb1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/41426da4ffb12d1285c4fe16e9f79ebc28150cd6552b7ce06292143a59caacca

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.

Web download

Formbook

Executable exe 41426da4ffb12d1285c4fe16e9f79ebc28150cd6552b7ce06292143a59caacca

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2298641/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/361559/

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