MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 392a556f48676f1e5ade954766148fa411bebabaa71b18c521a3dba103317a65. 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 7 File information Comments
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SHA256 hash: 392a556f48676f1e5ade954766148fa411bebabaa71b18c521a3dba103317a65
SHA3-384 hash: 4e759e387bd5e91d36ef7ffaa1019812f67d6721e93e9664a18cd8580e0a307389cb98208a46eb12a0925aee8a0ab1ac
SHA1 hash: 9ddb3d5c246082fc78a0b5b377e68b227a356f6d
MD5 hash: 25c309476cb7573ffb46a45610df1817
humanhash: lemon-avocado-solar-stream
File name:Halkbank,doc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:758'784 bytes
First seen:2025-05-22 06:20:40 UTC
Last seen:2025-06-10 08:30:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:9ltf7VyGAx8REC53363DHokS9lV49luFpDjIjxm5oHv7p+lshhhBGuAHVAZE6ie:9lFPTRECB36THodlV4GFxyHzp4CjwqEt
TLSH T13FF40118262ADD01C0A25BB91E71E7F12BBD2F8DB912C7179FEA7DEB3C2B6061405315
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
Reporter abuse_ch
Tags:exe FormBook geo Halkbank TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
395
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank,doc.exe
Verdict:
No threats detected
Analysis date:
2025-05-22 08:01:05 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/ac517315-ad54-4f83-8b0d-e6b3459be8a1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Packed2.49281.1478.1848.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682ec553c28c67d6664452d7
Tags:
shell virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating 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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/682ec2e1171e01f9592a0f52/reports/6388d96d-0c44-4563-b493-068b1eb45cd8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/392a556f48676f1e5ade954766148fa411bebabaa71b18c521a3dba103317a65
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ab3e19c5-d56f-4e1e-a9ba-6572c0d95e0b
Result
Threat name:
FormBook, PureLog Stealer
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1696612
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1696612 Sample: Halkbank,doc.exe Startdate: 22/05/2025 Architecture: WINDOWS Score: 100 40 www.franshiza.xyz 2->40 42 www.lincon.live 2->42 44 5 other IPs or domains 2->44 52 Suricata IDS alerts for network traffic 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 Multi AV Scanner detection for submitted file 2->56 60 7 other signatures 2->60 11 Halkbank,doc.exe 4 2->11         started        signatures3 58 Performs DNS queries to domains with low reputation 40->58 process4 file5 38 C:\Users\user\...\Halkbank,doc.exe.log, ASCII 11->38 dropped 70 Adds a directory exclusion to Windows Defender 11->70 72 Injects a PE file into a foreign processes 11->72 15 Halkbank,doc.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 74 Maps a DLL or memory area into another process 15->74 20 X5w6iK4NRa5W.exe 15->20 injected 76 Loading BitLocker PowerShell Module 18->76 22 WmiPrvSE.exe 18->22         started        24 conhost.exe 18->24         started        process9 process10 26 convert.exe 13 20->26         started        signatures11 62 Tries to steal Mail credentials (via file / registry access) 26->62 64 Tries to harvest and steal browser information (history, passwords, etc) 26->64 66 Modifies the context of a thread in another process (thread injection) 26->66 68 3 other signatures 26->68 29 cyn7T0gibiV3lD.exe 26->29 injected 32 chrome.exe 26->32         started        34 firefox.exe 26->34         started        process12 dnsIp13 46 tubetrap.info 91.184.0.200, 49701, 49702, 49703 HOSTNETNL Netherlands 29->46 48 cera.cdnxxx.com 23.224.183.86, 49692, 80 CNSERVERSUS United States 29->48 50 2 other IPs or domains 29->50 36 WerFault.exe 4 32->36         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/392a556f48676f1e5ade954766148fa411bebabaa71b18c521a3dba103317a65
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/392a556f48676f1e5ade954766148fa411bebabaa71b18c521a3dba103317a65/
Threat name:
ByteCode-MSIL.Trojan.Generic
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Status:
Suspicious
First seen:
2025-05-21 11:37:24 UTC
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hevfk32im5xr4ww6svdwmfepuqi35ov2u4nrrrjbupn2cazrpjsq._file
Verdict:
malicious
Label(s):
formbook
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unc_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250522-g5lp5ahr4s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
392a556f48676f1e5ade954766148fa411bebabaa71b18c521a3dba103317a65
MD5 hash:
25c309476cb7573ffb46a45610df1817
SHA1 hash:
9ddb3d5c246082fc78a0b5b377e68b227a356f6d
Link:
https://www.unpac.me/results/175236a6-81d3-4fdb-a4c7-9283b5e34f52/
SH256 hash:
0656f59c9e7cfa07d64cf4cd7d85ebd9b4399893cc853f3d1d37cca622d1f815
MD5 hash:
e4a8fe009b340647108a98105600f476
SHA1 hash:
03193855202feecd4bc542876855e706a243f13b
Link:
https://www.unpac.me/results/175236a6-81d3-4fdb-a4c7-9283b5e34f52/
SH256 hash:
01a719eb1d9ff31ce089f57be7b90dfa853651fd27d7214ce6aabf6cc1b0464e
MD5 hash:
ae3c26e8aba774fd3822793990076cc3
SHA1 hash:
236898e28c2723f7c1163d3ec186e1c0afff8cfa
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/175236a6-81d3-4fdb-a4c7-9283b5e34f52/
SH256 hash:
3bb8152b337c80418c9eccb399e5f7c3418960ab776ca25b9d6faf8736dd15f0
MD5 hash:
69b54908b6bffe33db376e1409d264ce
SHA1 hash:
e54250fe7050071696e958d94172b8bc224b2d14
Link:
https://www.unpac.me/results/175236a6-81d3-4fdb-a4c7-9283b5e34f52/
SH256 hash:
4d621961a48d83c7deb963fb2ecfa482f2fc99c9c98a353e75a0eda00393d53d
MD5 hash:
8dfd88cd2be580339ec2799edad8383d
SHA1 hash:
21ba9351cd241e1b1f3bd31ca664773456be67c0
Link:
https://www.unpac.me/results/175236a6-81d3-4fdb-a4c7-9283b5e34f52/
Malware family:
zgRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/392a556f4867/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/392a556f48676f1e5ade954766148fa411bebabaa71b18c521a3dba103317a65

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
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Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

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