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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 289f90256c209b6c27ce6bbd91d7975628776c3eb06d7c12b5fabe99f7d2cb49. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 289f90256c209b6c27ce6bbd91d7975628776c3eb06d7c12b5fabe99f7d2cb49
SHA3-384 hash: 380ffae1f3cd88f5399d860f9086023530ce7d3da4930ef78f68533f795619361993fac5464925285a9fa6694a87b03d
SHA1 hash: 06dc25f726f108de046c3a11a2c14415502c06cb
MD5 hash: a0c56ab6d172e4c00175ba5556c3dc46
humanhash: river-red-sad-south
File name:Halkbank,doc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'042'944 bytes
First seen:2026-08-28 19:48:14 UTC
Last seen:2026-10-19 07:26:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'297 x AgentTesla, 20'716 x Formbook, 12'402 x SnakeKeylogger)
ssdeep 24576:HEo+CFnpV+biuaQY1+KtwpINCURIyEDhtkKbO5mFbF:kWnpUuu+wpIUdLtNbimFbF
TLSH T10325224ABB60DB05C93E67FA0A71E2791BB54F4E9621D3278EDD8EFB39103049C05A53
TrID 72.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.4% (.EXE) Win64 Executable (generic) (6522/11/2)
4.4% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter abuse_ch
Tags:exe FormBook geo Halkbank TUR

Intelligence

File Origin
# of uploads :
3
# of downloads :
195
Origin country :
HU HU
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/2cfe2497-d2d8-420a-8289-e6601d8c46c3/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-08-28 19:58:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/10efa802-9b73-4e08-b79d-eed4a1d7fd6c

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/83197/
Detection(s):
SecuriteInfo.com.Trojan.Bladabindi.3573.28352.25645.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ac6a9fcc221a7c0810750d2
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a service
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/289f90256c209b6c27ce6bbd91d7975628776c3eb06d7c12b5fabe99f7d2cb49
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-08-27T04:09:00Z UTC
Last seen:
2026-08-30T10:12:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/289f90256c209b6c27ce6bbd91d7975628776c3eb06d7c12b5fabe99f7d2cb49/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5d9fa38a-37a1-4918-a3db-69da8a77aa6b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1965511
Signature
.NET source code contains potential unpacker
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Switches to a custom stack to bypass stack traces
Unusual module load detection (module proxying)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/289f90256c209b6c27ce6bbd91d7975628776c3eb06d7c12b5fabe99f7d2cb49
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.44 Win 32 Exe x86
Link:
https://app.malva.re/file/a0c56ab6d172e4c00175ba5556c3dc46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/289f90256c209b6c27ce6bbd91d7975628776c3eb06d7c12b5fabe99f7d2cb49/
Threat name:
ByteCode-MSIL.Trojan.NegaStealer
Create hunting rule
Status:
Malicious
First seen:
2026-08-27 08:09:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fcpzajlmecnwyj6ono6zdv4xkyuho3b6wbwxyevv7k7jt56szneq._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/e4bdb3cc-459b-44d1-a3c2-2fb6b41ff4bd
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260828-yh98msdq4v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
289f90256c209b6c27ce6bbd91d7975628776c3eb06d7c12b5fabe99f7d2cb49
MD5 hash:
a0c56ab6d172e4c00175ba5556c3dc46
SHA1 hash:
06dc25f726f108de046c3a11a2c14415502c06cb
Link:
https://www.unpac.me/results/3280fa67-9d43-46ca-805e-7cdda782d0f1/
SH256 hash:
2b0a3e1c220e8a98eb358a391da117b853882e411df4c9bbf54acc7ae629061f
MD5 hash:
38181717c94e497221567b84b23a75d0
SHA1 hash:
48332b950e1ee5fb10c3ee5eb8705e01e603edda
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/3280fa67-9d43-46ca-805e-7cdda782d0f1/
Parent samples :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 hash:
d095438840c540055ee58aa5d916a11da7b97e575b8b5a47558adf70ed1af108
MD5 hash:
6bdbee2e6b874d7ce1c4afa5d931d4ab
SHA1 hash:
6ffa8cb0367a80a0ec94b94677ccc89f65f69e10
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/3280fa67-9d43-46ca-805e-7cdda782d0f1/
SH256 hash:
289f90256c209b6c27ce6bbd91d7975628776c3eb06d7c12b5fabe99f7d2cb49
MD5 hash:
a0c56ab6d172e4c00175ba5556c3dc46
SHA1 hash:
06dc25f726f108de046c3a11a2c14415502c06cb
Link:
https://www.unpac.me/results/3280fa67-9d43-46ca-805e-7cdda782d0f1/
SH256 hash:
a57edd9656af058ff6e4ffadbc6c0fa9783b985318c33aaf74907d2ab728fdc5
MD5 hash:
029c84898c0d89c536fefa47c491db74
SHA1 hash:
e51ee1a9d7dc0dc0eb9fdc9d926bd7da21df17bd
Link:
https://www.unpac.me/results/3280fa67-9d43-46ca-805e-7cdda782d0f1/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/289f90256c20/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/289f90256c209b6c27ce6bbd91d7975628776c3eb06d7c12b5fabe99f7d2cb49

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:NETexecutableMicrosoft
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

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/83197/

Comments