MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6cb3e715d3c9fd5e25932ce3d9c62fb2cd71ca4228a06db75943032a329120d0. 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 3 File information Comments

SHA256 hash: 6cb3e715d3c9fd5e25932ce3d9c62fb2cd71ca4228a06db75943032a329120d0
SHA3-384 hash: 6bc650f124de9c53670570d07f8079d791967deea2682ca8176f39535cd4d3802dc637961b810a702100bd9caafc39cd
SHA1 hash: d55b5b20631ed73982851176604c04abd9c81c6d
MD5 hash: 2fbea1ae5932dbf79529224226120db6
humanhash: mountain-xray-iowa-hydrogen
File name:6cb3e715d3c9fd5e25932ce3d9c62fb2cd71ca4228a06db75943032a329120d0
Download: download sample
Signature Formbook
File size:813'056 bytes
First seen:2025-12-08 15:27:35 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:ikWaEuqPyUxIBuIXTJcK4UC48sIfXWe7jM9moWI2VbHab6Ce/l5oMmiUnESZPiEj:/bEVyUsXTJ5KD7jG20+t5xm/vZqEw
TLSH T176050214165ACF02C0B31FF41A62E2B516BCBF9D9422E61A4FDE6DDFBC997400A90397
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 :
67
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
FormBook RoboSki
Details
FormBook
a decrypted component and its RC4 key
RoboSki
a Base64 + XOR/Sub-decrypted component, its associated key, a mutex, a filename, and ReZer0 configuration parameters including: a load type, a download URL and filename (if configured), an interval (if configured), and varying flags
RoboSki
an extracted ReZer0 payload
Malware family:
n/a
ID:
1
File name:
6cb3e715d3c9fd5e25932ce3d9c62fb2cd71ca4228a06db75943032a329120d0
Verdict:
No threats detected
Analysis date:
2025-12-08 23:49:22 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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Creating a process with a hidden window
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)
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-20T22:07:00Z UTC
Last seen:
2025-12-09T06:42:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.18 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.TelegramRAT
Status:
Malicious
First seen:
2025-11-21 01:32:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_037 unc_loader_078
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:
6cb3e715d3c9fd5e25932ce3d9c62fb2cd71ca4228a06db75943032a329120d0
MD5 hash:
2fbea1ae5932dbf79529224226120db6
SHA1 hash:
d55b5b20631ed73982851176604c04abd9c81c6d
SH256 hash:
18a8de847446e4d143943c2cd7316da1e91d53642cd06e777d2bc63127181a0e
MD5 hash:
e00b82c923b104197c9ac5349998e249
SHA1 hash:
217b4fa1455ba86a2ece66ac6665d126f66a3eb2
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
111e88b06ab4bda9dcea292177f2fbf656f056ee3bc315aea8861653872867a4
MD5 hash:
ca046727926a963297a6f802f7f59312
SHA1 hash:
49c2d05a1f1ea2530c2b54c1450b70ab1595175c
SH256 hash:
b23b1cbc9307d22f064b6b82a258e316863b6a6793528705ba9e9789ca534e39
MD5 hash:
8277b03f43a2d15e5e1621556acdabcc
SHA1 hash:
73ea129498ee684797d56d727a714d4a6a9b31f2
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: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