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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 928b6a357efb73f139acc235d5b03eee9c76a0b36d5bc353f0893dd2f6e56720. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 928b6a357efb73f139acc235d5b03eee9c76a0b36d5bc353f0893dd2f6e56720
SHA3-384 hash: 3ea466e844e82ddb71a31bb1913295c75a3eb5205dcaf3e164b7d3e2e5842742c1054e29ec808cf528b8a689c029df67
SHA1 hash: bebb30580b1baa9430f050a752f71712b14ee2b3
MD5 hash: e1fc4774a010ec9d05182e1503904249
humanhash: failed-sweet-hotel-seven
File name:DHL-AWB2238776857656.ISO.bat
Download: download sample
Signature Formbook
Create hunting rule
File size:1'041'928 bytes
First seen:2025-07-29 19:42:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'302 x AgentTesla, 20'721 x Formbook, 12'402 x SnakeKeylogger)
ssdeep 24576:Y/xw/HP/HPwnpRFi/KBItaynfYFLzNTD3xw:Y/xw/HXPYpR4CBrynfSFTDBw
TLSH T13025ACD421508D0EF95EDBFC2153D8B0C2A65F479E92A21D3BD47EFB39B628CA706091
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 71e0baaaba88e071 (2 x AgentTesla, 2 x Formbook, 1 x RemcosRAT)
Reporter abuse_ch
Tags:bat DHL exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_928b6a357efb73f139acc235d5b03eee9c76a0b36d5bc353f0893dd2f6e56720.exe
Verdict:
No threats detected
Analysis date:
2025-07-29 19:49:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b230eaf2-7f4d-4831-8227-1cb77f87f5c4

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/17660/
Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=688924580b4775fb21332be3
Tags:
shell virus krypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/928b6a357efb73f139acc235d5b03eee9c76a0b36d5bc353f0893dd2f6e56720
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5e0c4826-4faf-4887-bb53-d9597c7c82aa
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1746696
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1746696 Sample: DHL-AWB2238776857656.ISO.bat.exe Startdate: 29/07/2025 Architecture: WINDOWS Score: 88 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected FormBook 2->31 33 Yara detected AntiVM3 2->33 35 3 other signatures 2->35 7 DHL-AWB2238776857656.ISO.bat.exe 4 2->7         started        11 svchost.exe 1 1 2->11         started        process3 dnsIp4 25 C:\...\DHL-AWB2238776857656.ISO.bat.exe.log, ASCII 7->25 dropped 37 Adds a directory exclusion to Windows Defender 7->37 39 Injects a PE file into a foreign processes 7->39 14 powershell.exe 23 7->14         started        17 DHL-AWB2238776857656.ISO.bat.exe 7->17         started        27 127.0.0.1 unknown unknown 11->27 file5 signatures6 process7 signatures8 41 Loading BitLocker PowerShell Module 14->41 19 WmiPrvSE.exe 14->19         started        21 conhost.exe 14->21         started        23 WerFault.exe 21 16 17->23         started        process9
Score:
92%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/928b6a357efb73f139acc235d5b03eee9c76a0b36d5bc353f0893dd2f6e56720
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/928b6a357efb73f139acc235d5b03eee9c76a0b36d5bc353f0893dd2f6e56720/
Verdict:
Malicious
Threat:
Trojan.MSIL.Taskun
Link:
https://tip.neiki.dev/file/928b6a357efb73f139acc235d5b03eee9c76a0b36d5bc353f0893dd2f6e56720
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2025-07-29 03:58:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=skfwunl67nz7conmyi25lmb652ohniftnvn4gu7qre65f5xfm4qa._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250729-yfbmas1vfs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8b27e2c9-fda6-4c71-b61a-bfcdb08aa0c5
Unpacked files
SH256 hash:
928b6a357efb73f139acc235d5b03eee9c76a0b36d5bc353f0893dd2f6e56720
MD5 hash:
e1fc4774a010ec9d05182e1503904249
SHA1 hash:
bebb30580b1baa9430f050a752f71712b14ee2b3
Link:
https://www.unpac.me/results/26a069e5-920e-4eff-99a4-589fc1897c54/
SH256 hash:
9f225573489297c8e81773a180d1a26b605cb4fa174e0fc5f051dbb86959bd3d
MD5 hash:
95bc6e0d341a2e581d89d8bf0227bd74
SHA1 hash:
403ea66f9fca16043372c01bae697a25841a0ff3
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/26a069e5-920e-4eff-99a4-589fc1897c54/
SH256 hash:
daf844154ce497cf94b19b53d1b6e4206e7cc92964f4f5bbe916a8ae943472d8
MD5 hash:
778111e744b334dc143961345d8b1ba2
SHA1 hash:
754f258b9ee2f1aef2b38dc0d061180e42035a8a
Link:
https://www.unpac.me/results/26a069e5-920e-4eff-99a4-589fc1897c54/
SH256 hash:
3a5e11a905db46300d0936583b5ad29f0ece3327379629699ccaeb99e1629f49
MD5 hash:
81276214a172c7ee8561307c6d011582
SHA1 hash:
cfd4d72a0cf0388e9838ac28bf1737060be45da8
Link:
https://www.unpac.me/results/26a069e5-920e-4eff-99a4-589fc1897c54/
SH256 hash:
3d5f06d1ebbce0c05604297674ddc0a63ef8f38cb735f2ae189794b575e1f167
MD5 hash:
27a2bced47eee94853eb04dfa04ed283
SHA1 hash:
22878ecd6dc3dad61f07754194e65ce7eebb111b
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/26a069e5-920e-4eff-99a4-589fc1897c54/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/928b6a357efb/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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

Cape
Cape
https://www.capesandbox.com/analysis/17660/

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