MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a155207261e73ef947f2b344363202300adae2029fec6017c3076846c0fa09d3. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a155207261e73ef947f2b344363202300adae2029fec6017c3076846c0fa09d3
SHA3-384 hash: e0277b7e0b20c8c1c26a7b9c3fefa710fa41e9c43abdd1216eaa9120ea6dae8098403b974c2068a86580e3c39bb4f179
SHA1 hash: cdfa1793ae5772d92070a2ff9c0fe9b0eb1cc1af
MD5 hash: 2a6a3a8bf3d022e8c5e5fe2fa3e48fd3
humanhash: uniform-lactose-don-artist
File name:a155207261e73ef947f2b344363202300adae2029fec6017c3076846c0fa09d3
Download: download sample
Signature Formbook
Create hunting rule
File size:1'038'336 bytes
First seen:2025-09-05 13:15:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:SJDJriISA9Q1vjQDamq11uL9sIs7877GyhYaiPEh9Map9KIPVb:vISA9AmFR/sQ33OPErMkP
TLSH T1DB25BFF1A201C459D4F715BDBA49C67031D3FDAD98A0C20D52C9BE6BB5B3382109FA9B
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 :
59
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a155207261e73ef947f2b344363202300adae2029fec6017c3076846c0fa09d3
Verdict:
No threats detected
Analysis date:
2025-09-05 21:18:57 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/594a33cf-a474-4731-ae2e-68ea91ec7df8

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/25638/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68bae2cfeb163e0ec1848520
Tags:
micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68baf1fe37c25fcf12d4d13c/reports/8d37e728-6825-44ff-838c-4baf8581e24a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a155207261e73ef947f2b344363202300adae2029fec6017c3076846c0fa09d3
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-24T23:40:00Z UTC
Last seen:
2025-08-24T23:40:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/a155207261e73ef947f2b344363202300adae2029fec6017c3076846c0fa09d3/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ffe9a135-973a-472a-9ff6-026ddc7060fe
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a155207261e73ef947f2b344363202300adae2029fec6017c3076846c0fa09d3
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.28 Win 32 Exe x86
Link:
https://app.malva.re/file/2a6a3a8bf3d022e8c5e5fe2fa3e48fd3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a155207261e73ef947f2b344363202300adae2029fec6017c3076846c0fa09d3/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-08-25 02:39:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ufksa4tb447psr7swncdmmqcgafnvyqct7wgaf6da5uenqh2bhjq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250905-rl7tcsbn7s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fc2af7c3-49d6-4b59-b5c6-eef245cf6768
Unpacked files
SH256 hash:
a155207261e73ef947f2b344363202300adae2029fec6017c3076846c0fa09d3
MD5 hash:
2a6a3a8bf3d022e8c5e5fe2fa3e48fd3
SHA1 hash:
cdfa1793ae5772d92070a2ff9c0fe9b0eb1cc1af
Link:
https://www.unpac.me/results/7bd4c406-84d3-4fe2-83ff-de593188d4c3/
SH256 hash:
9787a2e76ebf8b5079809945f81cfcfb54b03659ea2ce17301e14df89767495d
MD5 hash:
803b1dc595e24b6c45746bf3c5af6796
SHA1 hash:
22c66baf5c5fff68c0582f0bb08c5154e70a695a
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/7bd4c406-84d3-4fe2-83ff-de593188d4c3/
Parent samples :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 hash:
4c3dd577a5f14d68868ddd96ac213f85a3200d65a7571e480032b6c38516875e
MD5 hash:
6b99fba7980ec583bf1f1834580b11ad
SHA1 hash:
575a2d019f3886b1caf8dc60b26938dcb7956a47
Link:
https://www.unpac.me/results/7bd4c406-84d3-4fe2-83ff-de593188d4c3/
SH256 hash:
86d8657e68746524df12c4c89451fd896b848b76672f4c18bfe81b1071a5b2ef
MD5 hash:
dfbedeb21fa17654af0f0a5cb36b28ad
SHA1 hash:
e7456d4fb6d944598b268fba6f75bcb1922cd7ff
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/7bd4c406-84d3-4fe2-83ff-de593188d4c3/
SH256 hash:
7ce6692664d267b07ba9ebb2c43cba99f2b960ed709d70c567bbe4a480b347bc
MD5 hash:
767edd45f3b7ff43af13fabcc0baa3ff
SHA1 hash:
b79a282173e71eeeee353e5c04b5a59951f0a31d
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/7bd4c406-84d3-4fe2-83ff-de593188d4c3/
Malware family:
zgRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a155207261e7/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/a155207261e73ef947f2b344363202300adae2029fec6017c3076846c0fa09d3

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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
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.

Cape
Cape
https://www.capesandbox.com/analysis/25638/

Comments