MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51a655f2a7dbbe57cf54a337d0da9265853b12cc6c7d3036d96c42c7a0d243bf. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51a655f2a7dbbe57cf54a337d0da9265853b12cc6c7d3036d96c42c7a0d243bf
SHA3-384 hash: 08b0abf9542abd24b183d1240666903fbe280b0c5d64178fb2192b286364f9cbc2e73616d9d9281a1fb49323946f7d08
SHA1 hash: 4f91452d75ef6773f83014ba26dd4c5ccde5052f
MD5 hash: a7670e168af019717bf7c26210f3da82
humanhash: sierra-west-lemon-sad
File name:AWB 9165032030.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'078'784 bytes
First seen:2026-03-16 12:25:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'842 x AgentTesla, 19'774 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 24576:NciaaUTTk9CN6eSxxjIulVW0d/agnqjf2cV/or4NkVHT0hP/HF8XG8q:NcDk9E0muLW0Gf2cV/oEN4wpv2X
Threatray 2'672 similar samples on MalwareBazaar
TLSH T18C3501486359E947D8A60FF48971E37863B86D4C9411C303CEF6EDFBBA3974A2845293
TrID 25.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
25.3% (.EXE) Win64 Executable (generic) (6522/11/2)
17.5% (.EXE) Win32 Executable (generic) (4504/4/1)
8.0% (.ICL) Windows Icons Library (generic) (2059/9)
7.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter zhuzhu0009
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
170
Origin country :
JP JP
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6cc33f19-4695-4af8-9926-2bd65a71054f/
Malware family:
formbook
Create hunting rule
ID:
1
File name:
0b27e859324b26a543c83fa07a24e490fa6f40a6b211e0175b543ff4967d240c.zip
Verdict:
Malicious activity
Analysis date:
2026-03-16 10:30:04 UTC
Tags:
arch-exec formbook xloader stealer
Link:
https://app.any.run/tasks/3f5af190-95e0-42ae-bc22-641112b76d17

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/57631/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69b7dbad88c80c01586abc78
Tags:
stration shell micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
krypt obfuscated packed
Link:
https://www.filescan.io/uploads/69b7f6df4678eefbc7acad0c/reports/25b39675-9ac4-40a8-b4f8-5f76f3af71a5/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/51a655f2a7dbbe57cf54a337d0da9265853b12cc6c7d3036d96c42c7a0d243bf
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic HEUR:Trojan-Dropper.MSIL.Dapato.gen
Link:
https://opentip.kaspersky.com/51a655f2a7dbbe57cf54a337d0da9265853b12cc6c7d3036d96c42c7a0d243bf/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e551cd40-37d2-470f-8f3f-47e8a0d2f57e
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/51a655f2a7dbbe57cf54a337d0da9265853b12cc6c7d3036d96c42c7a0d243bf
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.32 Win 32 Exe x86
Link:
https://app.malva.re/file/a7670e168af019717bf7c26210f3da82
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51a655f2a7dbbe57cf54a337d0da9265853b12cc6c7d3036d96c42c7a0d243bf/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/51a655f2a7dbbe57cf54a337d0da9265853b12cc6c7d3036d96c42c7a0d243bf
Threat name:
Win32.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2026-03-16 05:28:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kgtfl4vh3o7fpt2uum35bwusmwctwewmnr6tanwznrbmpigsio7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0c82b648de097a84476eae0187e6ae187b4ec872a57cb2dd80aa2c5fdac05df3
Formbook
51a655f2a7dbbe57cf54a337d0da9265853b12cc6c7d3036d96c42c7a0d243bf
Formbook
61faeb3857dc422b26292ff17b24a2ed3cb18415f8c0a6f64a707c51a0a9c147
Formbook
680c3a1fe5c2fe5a84ae9d575f1ef6f4a28dec59090a4018363e58635536e07a
Formbook
ac5d5a1c08b75129823ff12311b40cab133ad654b70fb44a77c8c4c6453f3972
Formbook
b32d05c6d0606ae99980ac52e9acbae681e7c35936abca1aa7bbc66bc25bb0e5
Formbook
c6aa56afa7a6941d9bb8786b07e192ea996d3a133c992285b58349cc5c204561
Formbook
d93a5d602961d1d23e77b613866be9056abe8f5c833776a20a2635fbbad772d8
Formbook
ef199950c418edee4843225609244c4336cd9041427ceaf465e6e32f1d3684d7
Formbook
error
Formbook
+ 2'662 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260316-pl9a3sat3n/
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
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
51a655f2a7dbbe57cf54a337d0da9265853b12cc6c7d3036d96c42c7a0d243bf
MD5 hash:
a7670e168af019717bf7c26210f3da82
SHA1 hash:
4f91452d75ef6773f83014ba26dd4c5ccde5052f
Link:
https://www.unpac.me/results/67ffe101-6035-4843-a43e-5f7a20310760/
SH256 hash:
83c6ff82a5132602267983ae73fbe462ca3adbe844b7942fae87f693930a2dfd
MD5 hash:
9cc3e3a87bedcee57a52b4fc8930c3f8
SHA1 hash:
3710abb3f390d54b3d959b7b45486d7af84b5f5f
Link:
https://www.unpac.me/results/67ffe101-6035-4843-a43e-5f7a20310760/
SH256 hash:
375d9068b62b24e63fff996c8670bc918300df77ca9370e77e8744fe70171ffe
MD5 hash:
9932bf974c771a6568fedc8641059f81
SHA1 hash:
45ae7ae5f9ce36617ed030f912df7ce8f3ea124f
Link:
https://www.unpac.me/results/67ffe101-6035-4843-a43e-5f7a20310760/
SH256 hash:
c44869c6b994a4653ca9f420194462efe63e019a654005fee74f33ce505fa1d8
MD5 hash:
e38a39ebdd04b8f53d61ca952bf9be6d
SHA1 hash:
83b2799139b2b01ed0080774c047744b18571f44
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/67ffe101-6035-4843-a43e-5f7a20310760/
SH256 hash:
3f594bf0393bf460f7c464d1edbb8312c41e5fe8d45401ff9937ad53b6bf82ed
MD5 hash:
16fd4358b1354a6ae8fd1f70543d5593
SHA1 hash:
2e403c935ca308ba45623c3c1343d384c378ca19
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/67ffe101-6035-4843-a43e-5f7a20310760/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51a655f2a7db/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/51a655f2a7dbbe57cf54a337d0da9265853b12cc6c7d3036d96c42c7a0d243bf

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/57631/

Comments