MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6de98d353d17a24ecee4a837b122624ed6438a7c1e205dc0b3c252a5e83b0103. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6de98d353d17a24ecee4a837b122624ed6438a7c1e205dc0b3c252a5e83b0103
SHA3-384 hash: 55f68d929993881b32b9d8b882e8adae76b48d863320cdff39825acb20a5d11d2bac9e92fb904551daec9072c91adffb
SHA1 hash: 6e5d906ee754d91636f8c574fffb3752de60de7d
MD5 hash: 6c29695fa8c07387804fcd760dc7d294
humanhash: wyoming-artist-saturn-grey
File name:3456797654.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:958'976 bytes
First seen:2025-06-11 12:43:03 UTC
Last seen:2025-06-12 07:00:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:VdMG6MdelcmRFTYRgQs3+/Wnlm8a2g1ULD5nM:qcOUg48Q1S5
Threatray 3'837 similar samples on MalwareBazaar
TLSH T10C1502101A52EA03D9A24375F9F2E37427785E9EA401E303DEFDBCE7BE767012845692
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon a2f09c8c96d2e0b2 (5 x Formbook, 2 x AgentTesla, 1 x MassLogger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
486
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3456797654.exe
Verdict:
No threats detected
Analysis date:
2025-06-11 13:38:27 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/f7f6c728-2305-4af2-b6fb-71107098f675

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/8977/
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.37.19207.10836.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684979ed8bd5d68a12e7b4d2
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/6de98d353d17a24ecee4a837b122624ed6438a7c1e205dc0b3c252a5e83b0103
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d38cf636-732a-4278-bfb5-f4ea44ba5a9f
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1712270
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Joe Sandbox ML detected suspicious sample
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6de98d353d17a24ecee4a837b122624ed6438a7c1e205dc0b3c252a5e83b0103
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6de98d353d17a24ecee4a837b122624ed6438a7c1e205dc0b3c252a5e83b0103/
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Create hunting rule
Status:
Malicious
First seen:
2025-06-11 05:15:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nxuy2nj5c6re5txeva33citcj3lehct4dyqf3qftyjjkl2b3aebq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
1e12346e4000bfaebac977089464afeb82b3729a90bb6ffd66dde49b2da297e2
Formbook
58eb230fbd0cd10844ed51075ec1b765df8f2743cf50d04493b7caa0d5c8d36c
Formbook
e509de8891799bcfa046e6bc48c4f5e9b11473ad0e5e61d0e895065776669388
Formbook
f5147495983f1e0eb0d595bcced8d5fceedfef286909fe6f213760c0742493ac
Formbook
+ 3'827 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250611-px3bxa1qy6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/58d2cfdf-c853-4c1a-8f7b-a8bf2c869238
Unpacked files
SH256 hash:
6de98d353d17a24ecee4a837b122624ed6438a7c1e205dc0b3c252a5e83b0103
MD5 hash:
6c29695fa8c07387804fcd760dc7d294
SHA1 hash:
6e5d906ee754d91636f8c574fffb3752de60de7d
Link:
https://www.unpac.me/results/efcc5011-8255-4c05-9811-7e32d877d2f5/
SH256 hash:
10f257d1f8acb840fed595a7a9eb87fc15eb17a3bbea928e32a4db42e41c8922
MD5 hash:
1ed5c56400fafdf113ace56c29b1f538
SHA1 hash:
30e1d9ae59abb291d2057c6d160726c98ce8cb28
Link:
https://www.unpac.me/results/efcc5011-8255-4c05-9811-7e32d877d2f5/
SH256 hash:
3fae621bd9557c9615808c9a97386c5c9dc16bc07aae3af39e3e8262aee788a4
MD5 hash:
6484f48791623912f9b0b36b93b14ad9
SHA1 hash:
6d31b76cdd27e6d3b7ff9944649853a2f7025e01
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/efcc5011-8255-4c05-9811-7e32d877d2f5/
SH256 hash:
d76e902d5fe0cf50e93c40c79c88a8cdd3e30de99f548dff7140ea00118e0e27
MD5 hash:
23002176265c7e35c24e41a67b43e16f
SHA1 hash:
80c193da6048b699b9a88abcc6ae6d15a33deeee
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/efcc5011-8255-4c05-9811-7e32d877d2f5/
Parent samples :
65bcbf5fd47e0d3de349ea522b93b5564a143ce2a9f61693b6870ef14740bd63
dd2c856d18e6b598654b821f3d3185ed8563a26e9e65a45676d4d7f869798d80
6de98d353d17a24ecee4a837b122624ed6438a7c1e205dc0b3c252a5e83b0103
921bb3d94777bf5e784a777d7cf8fe1a10b393781274229c7cb5c4228122e46a
750e4c5442535031a1e5637d2abed6ce126d8f0026b1431e936bac3d6ae45ce5
SH256 hash:
1f808bde11411a345a71e56148e59712ba0fb479f44fe5aaf0507b53e4e0cd69
MD5 hash:
c1e283a62e01239d20c7751cc31f1207
SHA1 hash:
5b1d3a1c19be6833e67d51dbb087ec7d4ad90968
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/efcc5011-8255-4c05-9811-7e32d877d2f5/
Malware family:
zgRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6de98d353d17/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6de98d353d17a24ecee4a837b122624ed6438a7c1e205dc0b3c252a5e83b0103

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

Formbook

Executable exe 6de98d353d17a24ecee4a837b122624ed6438a7c1e205dc0b3c252a5e83b0103

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/8977/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments