MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 098ffd461615734bfd5dbf239b55879a23d7a4b79665fbeca75d1bd01ca9f0e2. 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
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SHA256 hash: 098ffd461615734bfd5dbf239b55879a23d7a4b79665fbeca75d1bd01ca9f0e2
SHA3-384 hash: 934e27c551604b4c989a51a783ecdb1e30484dc712ea22eac621ef74a2c363d19a187a4d98908821f73edcc541d8f0bd
SHA1 hash: 24ad467421e905004f182dcfebaba1dfdf9a990d
MD5 hash: e11e1d8543bc997e2fe9835dd6ae5488
humanhash: apart-violet-alaska-music
File name:kchMXjTrvowZDcH.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:936'960 bytes
First seen:2022-09-09 07:18:56 UTC
Last seen:2022-09-09 07:43:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:N5dgx1a7kFdsXTLBwUAYozkHIq94xT4PcfrUdeVT7E8r:Zgi7kFd+HBnABzuZ4GYrwQQY
Threatray 15'833 similar samples on MalwareBazaar
TLSH T1A115290721D508A5C47250BC24CCC5B79BAADE45E63BD946BFC9DCAFF582F2846D22B0
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
365
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
kchMXjTrvowZDcH.exe
Verdict:
Malicious activity
Analysis date:
2022-09-09 07:21:07 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/fc05c6cf-4433-4559-97e5-5a8fd3054cb5

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/308936/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.27985.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/631ae8e9a90642bcbbf42e49/reports/fdd79a67-299d-4b21-a027-426a12767801/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/608098b8-ecf9-4d6f-b222-f286a2b82437
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1067615
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Steal Google chrome login data
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 detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 700147 Sample: kchMXjTrvowZDcH.exe Startdate: 09/09/2022 Architecture: WINDOWS Score: 100 54 www.topdeckholidays.com 2->54 56 topdeckholidays.com 2->56 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 11 other signatures 2->66 11 kchMXjTrvowZDcH.exe 7 2->11         started        signatures3 process4 file5 42 C:\Users\user\AppData\Roaming\iNxnjJm.exe, PE32 11->42 dropped 44 C:\Users\user\...\iNxnjJm.exe:Zone.Identifier, ASCII 11->44 dropped 46 C:\Users\user\AppData\Local\...\tmpB57A.tmp, XML 11->46 dropped 48 C:\Users\user\...\kchMXjTrvowZDcH.exe.log, ASCII 11->48 dropped 72 Uses schtasks.exe or at.exe to add and modify task schedules 11->72 74 Adds a directory exclusion to Windows Defender 11->74 76 Tries to detect virtualization through RDTSC time measurements 11->76 15 kchMXjTrvowZDcH.exe 11->15         started        18 powershell.exe 21 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 78 Modifies the context of a thread in another process (thread injection) 15->78 80 Maps a DLL or memory area into another process 15->80 82 Sample uses process hollowing technique 15->82 84 Queues an APC in another process (thread injection) 15->84 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 dnsIp10 58 www.playersclub.site 209.99.40.222, 49767, 49769, 49770 CONFLUENCE-NETWORK-INCVG United States 22->58 70 System process connects to network (likely due to code injection or exploit) 22->70 30 cmstp.exe 18 22->30         started        signatures11 process12 file13 50 C:\Users\user\AppData\...5060logrv.ini, data 30->50 dropped 52 C:\Users\user\AppData\...5260logri.ini, data 30->52 dropped 86 Detected FormBook malware 30->86 88 Tries to steal Mail credentials (via file / registry access) 30->88 90 Tries to harvest and steal browser information (history, passwords, etc) 30->90 92 3 other signatures 30->92 34 cmd.exe 2 30->34         started        signatures14 process15 file16 40 C:\Users\user\AppData\Local\Temp\DB1, SQLite 34->40 dropped 68 Tries to harvest and steal browser information (history, passwords, etc) 34->68 38 conhost.exe 34->38         started        signatures17 process18
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/098ffd461615734bfd5dbf239b55879a23d7a4b79665fbeca75d1bd01ca9f0e2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-09 04:46:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bgh72rqwcvzux7k5x4rzwvmhtir5pjfxszs7x3fhlun5ahfj6dra._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
179131fddae5e6ad00f8e20140b2a916de1b25f0185e4151d450a746c1cf130c
Formbook
3b6ebee77ad8b21b22a9841ba224dd5f23091f9c6d6989c17640f0c7d0a5a759
Formbook
67e1831d726f1baa56e0f1a8f37bcb78ec0aa11a2d1117591d207f3aee8c1551
Formbook
68ecb3a0784bbfd4ac9f3d1c76cfc09cff02b4298839e2e1b293e9ef8833b265
Formbook
959fc8883e6b1d4ab77f9738792435e2dae1969530f36d2672db6cb397778687
Formbook
98bb91d8c80f060020b8b49a0a13a1c2cd0f3f5faf1aaad75b0825511ab06fd5
Formbook
9bfbca223cfe1d4ad139cc89861b6dfb09d24a63c24f3291a4af0508e03ee8b6
Formbook
a476ba449653ab554fa2702115e10bb9ff57c49b4bbae4c897b7d15156df5a2e
Formbook
d1e081645509446dbf1a8587799dc544ed342da42a6bc778a3fe39fc9c065ff7
Formbook
db9bbd49b5b6cf0d0faa600dbdf08a4a56a3f3a37931c70792911481c4a56b24
Formbook
+ 15'823 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dy47 rat spyware stealer trojan
Link:
https://tria.ge/reports/220909-h5htxadfer/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Reads user/profile data of web browsers
Formbook payload
Formbook
Unpacked files
SH256 hash:
51872280153e56f78405e4ad494ac49a3a1afe387483e35ae095417a65281490
MD5 hash:
7710355531d7403d04de8815ae21ffff
SHA1 hash:
f91ee6266521b72dc828661fac43776d9eae46f1
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/5e9b2124-8f47-481e-83f9-44637949238c/
Parent samples :
2e24181cfb2caf974144837f7a6e9ac926e8fe3cc66a074a0641e3c201fcc8e0
7f32654ef068bc268d4a47d4c5cadb1f79e5154f6feb793e66398046562ec54f
bb4ad06c9084dce8337402be5966d98fed305574fa840f17238f5624dcb2716c
098ffd461615734bfd5dbf239b55879a23d7a4b79665fbeca75d1bd01ca9f0e2
dd03e528c8317460c39f9135e4505313fa2817806702a86f6cb337c5382195db
SH256 hash:
a37e697a5a80ce5f3486adf68b212c1ab288ffc7b04d9fcc49e4a8394710cfe9
MD5 hash:
b3ee286692df1fbf99d0a438fdbb509f
SHA1 hash:
e6d53004cafa9dee67d9f6fe0e39fd3fa1298e77
Link:
https://www.unpac.me/results/5e9b2124-8f47-481e-83f9-44637949238c/
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/5e9b2124-8f47-481e-83f9-44637949238c/
SH256 hash:
2f42f8b03b9862f490d6675ae642eff399c5acd1a59286253846cc04d71346f7
MD5 hash:
e4a8c2da6d3f8b4ae0451c0f9d147c2d
SHA1 hash:
c8531b77fc9f709f2bd89270b901309618d28b0e
Link:
https://www.unpac.me/results/5e9b2124-8f47-481e-83f9-44637949238c/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/5e9b2124-8f47-481e-83f9-44637949238c/
SH256 hash:
098ffd461615734bfd5dbf239b55879a23d7a4b79665fbeca75d1bd01ca9f0e2
MD5 hash:
e11e1d8543bc997e2fe9835dd6ae5488
SHA1 hash:
24ad467421e905004f182dcfebaba1dfdf9a990d
Link:
https://www.unpac.me/results/5e9b2124-8f47-481e-83f9-44637949238c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/098ffd461615/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
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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

Executable exe 098ffd461615734bfd5dbf239b55879a23d7a4b79665fbeca75d1bd01ca9f0e2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/308936/

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