MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5af12d4e35c3f1b595d9a0bac82476e2657547ebc7c622f721b81462fd4dac9d. 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 5 File information Comments

SHA256 hash: 5af12d4e35c3f1b595d9a0bac82476e2657547ebc7c622f721b81462fd4dac9d
SHA3-384 hash: 08055feab54738548307e665ba4ea2366f063ce0f83d1a2f7fe0634d044332f1cd3167788412a344a3758cd72ca42b0d
SHA1 hash: 5fe854d6920da49efee52b2477a29e6f4eafd8d1
MD5 hash: 49aeb291af72341c8bff9ae3aa34c4b9
humanhash: lion-cup-item-jupiter
File name:SecuriteInfo.com.Win32.MalwareX-gen.18524.6487
Download: download sample
Signature Formbook
File size:659'456 bytes
First seen:2025-09-17 04:18:46 UTC
Last seen:2025-10-10 06:48:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:2Jx7untvfhIPQvZ0zOwTHhBxy+Bg1UYVTnqwa8c5vWBkqWTBuxjWsEm:2v7wpfyIvZ+Ow7Qdqwa8c5vWBHQEjF
TLSH T135E40158275FEC03D8922BF40970D3790638AD98E514C3535FFEADABBC75B9128982D2
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 SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
122
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.18524.6487
Verdict:
No threats detected
Analysis date:
2025-09-17 04:20:07 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-17T00:34:00Z UTC
Last seen:
2025-09-17T00:34:00Z UTC
Hits:
~100
Detections:
Trojan.MSIL.Crypt.sb VHO:Trojan-PSW.MSIL.Agensla.gen Trojan-Dropper.Win32.Injector.sb Trojan.Win32.SpeedBit.sb Trojan.Win32.Agent.sb Trojan.MSIL.Agent.sb PDM:Trojan.Win32.Generic Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb Backdoor.Win32.Blakken.sb Trojan-Spy.Win32.Noon.sb HEUR:Trojan-PSW.MSIL.Agensla.gen
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.29 Win 32 Exe x86
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-09-17 04:19:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_037 formbook
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:aa28 discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
5af12d4e35c3f1b595d9a0bac82476e2657547ebc7c622f721b81462fd4dac9d
MD5 hash:
49aeb291af72341c8bff9ae3aa34c4b9
SHA1 hash:
5fe854d6920da49efee52b2477a29e6f4eafd8d1
SH256 hash:
f1022d8e540233faf50ba84418fdd4efc53a4104acce02b45cf224c7d7ea0ed1
MD5 hash:
11e46b362323dc5b9aa4424c6f8cbdcd
SHA1 hash:
2a14a3e2186aad3438562671211f2a49d7c8e7eb
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
b2ac00d97c373c7efe7b9a54ce8b9f8b317ef919f29c45e3cdcfac3545674800
MD5 hash:
3d4e92fe67d6c1780f213fd51c36df1f
SHA1 hash:
8285892de43aa6bf4fd6bb52d05c937095c7b1be
SH256 hash:
c02ec197ab05852a144df8d2c65a25934c31fc1056d36405f39abf2f0c137e70
MD5 hash:
cb0dd661076b2a5b7af012063762d9bd
SHA1 hash:
5a77ad21a6f697fcd78dff2012ab946b5efc625f
Detections:
win_formbook_w0 win_formbook_g0 win_formbook_auto FormBook Windows_Trojan_Formbook Formbook
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:CP_AllMal_Detector
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
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.

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