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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270
SHA3-384 hash: 70ec203cc9b16f165cb2820c5938e89640fb2638c14ea3ffc3483b70e9c21d0c337362f533b5c00bf877ed6d6de52227
SHA1 hash: ce27f64e397c7baf3fb41e9d416cd06d8c9aa028
MD5 hash: 23dc06a0ebbed92a832786f07b9ec139
humanhash: wolfram-comet-golf-india
File name:c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'107'456 bytes
First seen:2026-10-14 16:18:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'297 x AgentTesla, 20'716 x Formbook, 12'402 x SnakeKeylogger)
ssdeep 24576:JJQWRkcOUCv7a/mJAuhzZA7eHxQ2TuHLWr4E:fbFNO7yuxieHxQ24E
TLSH T112357D5B3D00F58EC4868AB3C9549CFC95112C5EFFC6D203989F3D9AFABD5869E041A2
TrID 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 4c33d8d4d4d8324c (40 x AgentTesla, 23 x RedLineStealer, 17 x RemcosRAT)
Reporter ShadowOpCode
Tags:exe FormBook RGBLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
182
Origin country :
IT IT
Vendor Threat Intelligence
Malware configuration found for:
ConfuserEx RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/941c03b2-23fd-4806-8ada-17db21c95148/
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
https://temp.sh/HVmiT/RGBLoader.zip
Verdict:
Malicious activity
Analysis date:
2026-10-14 15:16:47 UTC
Tags:
rat pulsar netreactor ip-check evasion stealer agenttesla ftp exfiltration uac xworm screenconnect rmm-tool smtp ultravnc telegram snake keylogger
Link:
https://app.any.run/tasks/4e9aec16-036a-4d91-93e0-a1a6602cbb3d

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/92014/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3611.2214.3826.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad17f5cf4e17c78f7160415
Tags:
agenttesla virus micro cupi
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a service
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
agenttesla crypt entropy obfuscated obfuscated packed
Link:
https://www.filescan.io/uploads/6acfab9a5fe91cc0f6037d73/reports/c7047afc-10f9-43bc-9b49-36535969d61b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-09-30T04:22:00Z UTC
Last seen:
2026-10-16T00:25:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/181a43b4-4b38-41a4-9915-408ca5da2cb7
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.77 Win 32 Exe x86
Link:
https://app.malva.re/file/23dc06a0ebbed92a832786f07b9ec139
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2026-09-30 07:05:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yc7uwn4vvqn5rspqq5gdkmejkw2iqyowgiaulkdnqrqnzude6jya._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/261014-tr7rnafw8w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270
MD5 hash:
23dc06a0ebbed92a832786f07b9ec139
SHA1 hash:
ce27f64e397c7baf3fb41e9d416cd06d8c9aa028
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/de0bd085-4f84-429d-8fe4-2a5fc57914bc/
SH256 hash:
67fcee692b5781c4ac6319d8c7c87153b4f47f0adbb008185676803095cd5e1c
MD5 hash:
875631dc3133ad0deebc419f98ee8606
SHA1 hash:
c529dc1cc5551070019a2f7d45f2285f0fe0a89a
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/de0bd085-4f84-429d-8fe4-2a5fc57914bc/
Parent samples :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 hash:
ada4844fffa7e30bbbfd1b3960fe07bb8410f1ff16e21918e8dbd8e87e8c6924
MD5 hash:
bc8343bfa401f9b87353ab7bfda53755
SHA1 hash:
e104e34d6ff8f558632fbba336ff091b9e174d1b
Link:
https://www.unpac.me/results/de0bd085-4f84-429d-8fe4-2a5fc57914bc/
SH256 hash:
5a55489651aaa72dec9ac4d7f76699b69996310177b273c64486feba9447c875
MD5 hash:
c2e9026d36c5e576b5f21c7bfd0f1ee2
SHA1 hash:
22c63413db7f86d0120bd0243f7bee04e6bfaee7
Link:
https://www.unpac.me/results/de0bd085-4f84-429d-8fe4-2a5fc57914bc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/c0bf4b3795ac1bd8c9f0874c35308955b48861d6320145a86d8460dcd064f270

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:DotNet_RGB_Embedded_AssemblyLoader_Hunt
Create hunting rule
Author:ShadowOpCode
Description:Hunt .NET bitmap RGB extraction combined with embedded resources and assembly loading
Rule name:HUNT_NET_Loader_ImagePixel_To_AssemblyLoad
Create hunting rule
Author:Anish Bogati
Description:Hunting: .NET loader that reads pixel data from an embedded image, loads it as a .NET assembly, and runs it via reflection or late binding. Catches bitmap-steganography loaders.
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:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:WIN_Malware_Derialock_ForgeAuto_3127f957_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects Derialock (pe, etat extrait)
Rule name:WIN_Sample_Unique_69354b41
Create hunting rule
Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe

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/92014/

Comments