MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a. 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: 551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a
SHA3-384 hash: bc91a4462bdeab3f9d6319f9d508637ea89a9ad4b3d19b0a727600a6abf7df26a7dbb6460a55bdbdba98bb7e5d2f0b23
SHA1 hash: 4e6fbf56f0edfbc1c80702618cf4365094cbc6ea
MD5 hash: eba95ee3cf615c94458786d52a62d351
humanhash: alanine-bravo-jupiter-missouri
File name:551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a
Download: download sample
Signature Formbook
Create hunting rule
File size:651'264 bytes
First seen:2025-11-06 10:30:09 UTC
Last seen:Never
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:q0bj78qbdvnJ5crsb8ASDpsFGUHdhmNP+0FtjEugue0BgLfquUCnq:Fj78qbFEIupsFpfmNPdt33e0Huvq
Threatray 254 similar samples on MalwareBazaar
TLSH T1FDD401543716C403C9A693B80960F2B8237A9EE9F511E296BFD87E9F78B9F115C00792
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a
Verdict:
No threats detected
Analysis date:
2025-11-06 12:46:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c3d12dd2-3f61-4d3f-a7de-36318b12e98d

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/35749/
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690c79045a5ed7864e2370c9
Tags:
virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-13T22:14:00Z UTC
Last seen:
2025-11-05T22:53:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/14621099-a21e-4884-b494-34b8dd9ddc59
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.35 Win 32 Exe x86
Link:
https://app.malva.re/file/eba95ee3cf615c94458786d52a62d351
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-10-14 01:32:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kuojclw3yqo7mdjrznniovmq6xubm7k3dc4iffcz4lrcbmnlw5na._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
2ed366c595c98fbfe00e692f6d7e06dd237bc2fce08070b610e220083bdb1fe4
Formbook
324fcd15e9d6f1b0991ad5943a3178031c608d872cb810eeef48f11295490d6f
Formbook
44eb0ca230176e7653e8287dac64b16e4cfde7088635498e52d802d8a3dcb7e9
Formbook
626a21b142572a7729f9ee6746af1a1b21378e2f2457f8bfce9bdbe7d1fbe136
Formbook
c128a32876c2adbac6ebd2e5da76f3c03e8d6db44850bb60c7d4a1ebcfb29bb1
Formbook
c5efa587fe489673591d0de5da8a67a0a558339ce0ac6de7ade6d623ba104e2f
Formbook
c77df447c372e2aa22b4fb528775f2ac2be22e0595f02ceb3c40c9944cf689d4
Formbook
e6114a51653509bab803ad1871655e1d2bd4b9bb5af84fb8ade024f670bc2ee1
Formbook
error
Formbook
+ 244 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:punm discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251106-mj8knahr3y/
Behaviour
Suspicious behavior: EnumeratesProcesses
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/519b7542-c437-4b3a-aaa8-3d5e859595c1
Unpacked files
SH256 hash:
551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a
MD5 hash:
eba95ee3cf615c94458786d52a62d351
SHA1 hash:
4e6fbf56f0edfbc1c80702618cf4365094cbc6ea
Link:
https://www.unpac.me/results/40e6382f-cbb5-4bd6-86a8-098441642921/
SH256 hash:
0c17979b9edff490c76b209bd35bbc04133cb4ca7abdf5b3bcffeef9cbfea835
MD5 hash:
c50a6382bcb9ebc3d8c0509882d4b60b
SHA1 hash:
0b2ade1a59138a37440c3da33330bd713db160a3
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/40e6382f-cbb5-4bd6-86a8-098441642921/
SH256 hash:
b794ed0c0c7d4499d0a2ffff67eb5b92dba83f4be7964591e9edad2755176511
MD5 hash:
2a576318d07470206dd7c45f7d896078
SHA1 hash:
3096b2a5ccd98583949a9f57842d5547b50bbc29
Link:
https://www.unpac.me/results/40e6382f-cbb5-4bd6-86a8-098441642921/
SH256 hash:
05787cf7c5d86465ae08da7d62855f0bf4d5463a1d3e32218244ffef221bfec6
MD5 hash:
44440f534ec9b819dd0acf15ab253bed
SHA1 hash:
f06e76647b320cb2a9b04ce36002996775536c5b
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/40e6382f-cbb5-4bd6-86a8-098441642921/
Parent samples :
62641672222e838c59836451c910b29233433eb80581fc7f3672de2b6a33b365
0738cee9bc712803e28299bc41223192abb932064478c278f10350e65f755d30
b599240a13547435a237fa14405a60999c3b3475c5e8f9a7507843a232787ef4
c38c0cf6caae09abb251a613fd891d105e2c37424817f5b005154f34920edc3c
551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a
f3e615622500ad4051830519118058c6a7d31411605a93c85a042512bffe9b3c
423f72873f865b00ead93f7467e8995a0ec37334c33064233c7189f8e560332d
09119a05e2e2a4857d5eae0c7d8fc474869e6e6483c876a78ddbfe91661a0cc5
d87de6be63c49499dfe482bfdafbdca13760efb66c2d8af6950919f01f52608c
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/551c912edbc41df60d31cb5a875590f5e8167d5b18b8829459e2e220b1abb75a

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/35749/

Comments