MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71913c4e7f11b3edef83eda30581ef8a81a8a324efc733498dc886210658ba60. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 71913c4e7f11b3edef83eda30581ef8a81a8a324efc733498dc886210658ba60
SHA3-384 hash: ef00589b1ef59a346268d8ec154c579e201903b3c791a7e78e02da9322ee99631149469df1863ac4a9576c6018a731e4
SHA1 hash: 9a014d832fd3bc029046526717d31c41103b5bd1
MD5 hash: a7cae3a52750ae35df2d9e9e94c0715b
humanhash: ohio-seventeen-yankee-iowa
File name:71913c4e7f11b3edef83eda30581ef8a81a8a324efc733498dc886210658ba60
Download: download sample
Signature Formbook
File size:759'808 bytes
First seen:2025-12-08 14:58:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:d18wdZsdjZusDWiW8QExZqbqWhNnunDLX673uDg6k0Z1H035EMY:jZsjZfDWiJxZqbqONqLq7uDXkAKp
Threatray 2'225 similar samples on MalwareBazaar
TLSH T1A6F4231EFB595D14C31F5ABFC003940441BB89B7F522FB176AD44EA64FA3B98C48B486
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 adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
DeepSea
Details
DeepSea
DeepSea decrypted strings
Malware family:
n/a
ID:
1
File name:
71913c4e7f11b3edef83eda30581ef8a81a8a324efc733498dc886210658ba60
Verdict:
No threats detected
Analysis date:
2025-12-08 19:08:10 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus shell msil
Verdict:
Malicious
Labled as:
MSIL/GenKryptik_AGeneric.BRC trojan
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-13T02:00:00Z UTC
Last seen:
2025-12-10T01:13:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.36 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-11-13 09:52:38 UTC
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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:
3576657bcf5275eab9a0bafaf391ff509791a29b6351f017eacebf5f310dcb89
MD5 hash:
7fb339cfeaa23253158eaac4c0c4c910
SHA1 hash:
442a049025e52353b6cc5ff497b83c9312498e21
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
f44a97ba959a2f1b2154d69c4d118fd16bc5608f7f1dcf4f36bd44c6543b3b9a
MD5 hash:
64a9dd1563f828735d8bb70617bd4d5a
SHA1 hash:
85cfa4ff543dc85b7c8247876c9a8bee99cd9091
SH256 hash:
079f1dff2961325a3476c64504ffcd4d878d13b54717f8810258d368a97985de
MD5 hash:
cd9b1f48cd03880d3fc612a29cbc6450
SHA1 hash:
af47ec6e1c1f25ce7ad52c8d527fdbf2bb60cc1f
SH256 hash:
3a68b6417d861684a72c887175284faa1d8cc28e1838385aacb5e630b75b83cd
MD5 hash:
1050a4c1d89d5195462ffee89e92fc8d
SHA1 hash:
31ec447b3c5d3fec1a9b2fef9d3590f08f102f90
Detections:
win_formbook_g0
SH256 hash:
71913c4e7f11b3edef83eda30581ef8a81a8a324efc733498dc886210658ba60
MD5 hash:
a7cae3a52750ae35df2d9e9e94c0715b
SHA1 hash:
9a014d832fd3bc029046526717d31c41103b5bd1
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments