MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77d676adea7d98767c2412d2bec0298d9514b6eb3ca5ecfe1cd5d29b1ace1824. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77d676adea7d98767c2412d2bec0298d9514b6eb3ca5ecfe1cd5d29b1ace1824
SHA3-384 hash: e20e90bd1c2ba4daff95b4040191995a93f2d3d9dd1a30799bef4c31bc77b734b817d41b5288734914578bf98959be6f
SHA1 hash: 0d483707b51ecd571077a13892efa43b42ec5d39
MD5 hash: b10e75f32eba243fb179eee2e6fc6810
humanhash: alaska-fanta-grey-item
File name:z1DEC12DOCSFORLPD.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:811'520 bytes
First seen:2025-12-12 07:30:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'818 x AgentTesla, 19'741 x Formbook, 12'286 x SnakeKeylogger)
ssdeep 12288:yEVvjyGJPztgCeTRTOw2uOzjqJNsaoPacrigcFUWbvCYKjjZXp3J35G0rl:yKOHBlbkeJNyaCcFtvCYKXfrl
Threatray 2'418 similar samples on MalwareBazaar
TLSH T19305E0D43A267B1ADEA14671E568ED7683F52D78B010F9EA49DD3B87349C310AE0CF42
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 FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
147
Origin country :
BR BR
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/a70e415d-f8cb-4db0-a561-0a5d00193a2c/
Malware family:
n/a
ID:
1
File name:
_77d676adea7d98767c2412d2bec0298d9514b6eb3ca5ecfe1cd5d29b1ace1824.exe
Verdict:
No threats detected
Analysis date:
2025-12-12 07:38:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6c56f499-8229-4aa7-8432-b92d9dd635dd

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/44384/
Detection(s):
Porcupine.MSIL.Kryptik.APBZ.469251.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693bc492bde6a3e59710952c
Tags:
virus msil hype
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed vbnet
Link:
https://www.filescan.io/uploads/693bc49664bd958a5210877b/reports/8bfd2bbe-8104-4d4f-b211-017b686304bf/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/77d676adea7d98767c2412d2bec0298d9514b6eb3ca5ecfe1cd5d29b1ace1824
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-12T04:28:00Z UTC
Last seen:
2025-12-14T03:37:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Win32.Stealer.sb Trojan.MSIL.Agent.sb HEUR:Trojan-Spy.MSIL.Noon.gen Trojan.MSIL.Inject.sb Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Taskun.sb Trojan.MSIL.Crypt.sb
Link:
https://opentip.kaspersky.com/77d676adea7d98767c2412d2bec0298d9514b6eb3ca5ecfe1cd5d29b1ace1824/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ce266a1d-7d3b-4ae7-839f-fc21fb8d818a
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/77d676adea7d98767c2412d2bec0298d9514b6eb3ca5ecfe1cd5d29b1ace1824
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.60 Win 32 Exe x86
Link:
https://app.malva.re/file/b10e75f32eba243fb179eee2e6fc6810
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77d676adea7d98767c2412d2bec0298d9514b6eb3ca5ecfe1cd5d29b1ace1824/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/77d676adea7d98767c2412d2bec0298d9514b6eb3ca5ecfe1cd5d29b1ace1824
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-12-12 07:30:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o7lhnlpkpwmhm7becljl5qbjrwkrjnxlhss6z7q42xjjwgwodasa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0382d0b9421be9a1c5a084869be5742803d4ec3f211294a4c96f45444952ab55
Formbook
1308208a55709b9cc292c833c1abf7228400e002b1393ccae98e66802acecf1b
Formbook
3196360e6419d66f639687e03ea7093fd479a4975e6223fa44f1e6c545d09ae3
Formbook
412fa4b7e3501663a221ed568464de11f33c95b760fb49d8ae3792862cd2d4e6
Formbook
5e890ef07e56cfc57a9468b04703a19455b181addb219eb5ed6d2e064b9ca8e9
Formbook
66a3dd53e83d5426be82f6518153536173dafc32fecf56cd1077c0b6bee704e8
Formbook
7bdfffe8dc720208f49a5e88ef7a2ef043c9af8a0995193b0cfe0b02dd5ab667
Formbook
d26aea201415a8250f0ef469e579d33056696b102a6ca42ead5a838a29b15ba4
Formbook
error
Formbook
f718c0f6666c87fb62ec365146cdf788bf749cc5afb1c6e206f591b736a04989
Formbook
+ 2'408 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook adware discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251212-jb2klacv2f/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5a49f920-4ee5-40df-bb3d-5e98d4b8878e
Unpacked files
SH256 hash:
77d676adea7d98767c2412d2bec0298d9514b6eb3ca5ecfe1cd5d29b1ace1824
MD5 hash:
b10e75f32eba243fb179eee2e6fc6810
SHA1 hash:
0d483707b51ecd571077a13892efa43b42ec5d39
Link:
https://www.unpac.me/results/6b32966b-2ae4-4e2b-9c01-79f39a977210/
SH256 hash:
efb6a13171efda5436a296f735066a438a281d0c38a63831d59c9bb86ed4e1cb
MD5 hash:
03be1634a292fb3b9dd147fc52404a43
SHA1 hash:
9b814356f9cf32900e28e1a3ba69018b7b31c471
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/6b32966b-2ae4-4e2b-9c01-79f39a977210/
Parent samples :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 hash:
3d6bcd336f9a9b1b7f6e36a40f52e656d7bd65518d8b406823be871765216a67
MD5 hash:
f8d10f870a7925efd654cf659e8e3463
SHA1 hash:
afbe4063dd36e2c600fdcaba88d38bf4250cb826
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/6b32966b-2ae4-4e2b-9c01-79f39a977210/
SH256 hash:
95d4e6d867da09d9fb2302ef94d540644204068b149018da9258cc36397ffbd2
MD5 hash:
136616fdb1e67935a6142086452e8eef
SHA1 hash:
c14840db3410d29d1a16822b917dacf1860b98eb
Link:
https://www.unpac.me/results/6b32966b-2ae4-4e2b-9c01-79f39a977210/
SH256 hash:
1291bd4a5cd477d4b98a15b84d22ab6cf77e55fe229e6cf11f02cf8f4ef44a25
MD5 hash:
e32ae965fc0b748c02975770b0fab66e
SHA1 hash:
867bbe1905a06fe05efd0be3500bf851e2e4026f
Link:
https://www.unpac.me/results/6b32966b-2ae4-4e2b-9c01-79f39a977210/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/77d676adea7d/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/77d676adea7d98767c2412d2bec0298d9514b6eb3ca5ecfe1cd5d29b1ace1824

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

File information

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

Malspam

Formbook

Executable exe 77d676adea7d98767c2412d2bec0298d9514b6eb3ca5ecfe1cd5d29b1ace1824

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/44384/

Comments