MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49b5b36041408c4f58810bad116898bec932533a1487099f1049c0df3740688f. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49b5b36041408c4f58810bad116898bec932533a1487099f1049c0df3740688f
SHA3-384 hash: 40ef30c9d8dec943dfae5c1b150324817378956b0b2403128b1dac12f04fa84c93a40ad14bb4f9962b5adb33ff7ae909
SHA1 hash: 0444413150e516edd05d7e7728a3706e8109e3a8
MD5 hash: 8aa36abe73fa1f967f6eb794cb7a359c
humanhash: victor-cardinal-nebraska-summer
File name:SecuriteInfo.com.W32.AIDetectNet.01.29595.27067
Download: download sample
Signature Formbook
Create hunting rule
File size:743'424 bytes
First seen:2022-06-01 13:45:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:v66SIcd1Aa8H+XdPjbnnEGqJaKqvhgvCA8TgQIhfbXqvlU:Cz0xyfn4vHYIhfbXqvW
TLSH T18BF40124336C5668C66AC7B505B6C35053383D56EA2EC70D3AA7A48E1CF37818B15BE7
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
348
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.29595.27067
Verdict:
Malicious activity
Analysis date:
2022-06-01 15:24:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0f61fbaa-1256-48c7-89d2-a3941b8839a7

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/276121/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.29595.27067.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
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/b8ebabdb-5116-4b66-80db-9772d0b684cc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1005091
Signature
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)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/49b5b36041408c4f58810bad116898bec932533a1487099f1049c0df3740688f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-01 10:28:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jg23gycbicge6webbowrc2eyx3eteuz2csdqthyqjhan6n2anchq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mwfc loader rat
Link:
https://tria.ge/reports/220601-q2ypyscehl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
4ce82b4a07ad340168a2ad58b49b21cc0355e9a320d9d81ce319b979e4693062
MD5 hash:
9ebd5c164f7f102207de25e6e5694367
SHA1 hash:
c1abefa4a86ab58afeb14381ade6eaf9e9638bb8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2f034315-3ba4-431b-96fe-22931c0100a2/
Parent samples :
b8d8a8ab682956d7abd31c4fa49690ece5f9349ea7753e83243ef5a933df4684
05d32cd3b93a055d165a689e3c561d6b32a291449ef4dbb2477d7b4153d7583e
2da5d0fab4e517de649c1116c62b23202b6d4b46a99f1aa05d44d345d280ca10
8ddee8d21d6847b663197cd64682cafc4a34bcc0a86af6a5e82f0bddfa838aee
193a1c34da89d6440a096ee33aacb247b042be98968acc7ce6a88cc3156e0dab
f44db940dcba5d7419aed9de5ed3069d948e8a358bfaf5d502521aac09a340c9
5027f6ad1cd2f9f50c7965fa2f959f93c4b199f4232c5b9f7f8a15406b57ec1c
441c12b87bca3daf36a571d93fa052b1cb47d9f6b1f80ef22ead84a1961ec66d
49b5b36041408c4f58810bad116898bec932533a1487099f1049c0df3740688f
78a9d166296301f3d370ad7a8a85e6e47264490a2b44bc48e4b123dd53117737
af565dffdabcb554023971da8baef27d012437fa48b2479592a727d3f8a5816b
a861c51fc6fba9da6fe8f42513395fef9f61b0ae69daa80fa9d695000608ed20
10fd06a398a69a6ed619974bbde91c9868e0abc9cf0bad3b38ce1dc7d3dc1ae6
1882a0700a0cbe3213f007458d82eafc571b2f19a539b1d3b6e985e22396a907
d4078f3fd171a8274ba364aef77d8d3e18093eae1badc1a57e0475dbc177d868
SH256 hash:
32cfa5f4936ee1bc0f50b939b65528a96684ef99bebee8b710d195d1d8f90329
MD5 hash:
787c193df2038a2c86a0610b42cfdcb3
SHA1 hash:
e31ab03fd603381c1c7640cb3d217ed819a0a767
Link:
https://www.unpac.me/results/2f034315-3ba4-431b-96fe-22931c0100a2/
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
Link:
https://www.unpac.me/results/2f034315-3ba4-431b-96fe-22931c0100a2/
SH256 hash:
950c3d99edffffc5a2b733143ba0b4ea192bd342bb0d8cad74e22c66c000bc71
MD5 hash:
e92afdb47d2900120b74a42c41b44748
SHA1 hash:
19feabd647a1af1edccddb5c4e43d0daec5d4b21
Link:
https://www.unpac.me/results/2f034315-3ba4-431b-96fe-22931c0100a2/
SH256 hash:
49b5b36041408c4f58810bad116898bec932533a1487099f1049c0df3740688f
MD5 hash:
8aa36abe73fa1f967f6eb794cb7a359c
SHA1 hash:
0444413150e516edd05d7e7728a3706e8109e3a8
Link:
https://www.unpac.me/results/2f034315-3ba4-431b-96fe-22931c0100a2/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/49b5b3604140/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/49b5b36041408c4f58810bad116898bec932533a1487099f1049c0df3740688f

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/276121/

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