MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffc8f79b6654ee83f5afac0fa12a5eeb666dc73b11d05c7fba51e7acab5928de. 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: 19


Intelligence 19 IOCs YARA 8 File information Comments

SHA256 hash: ffc8f79b6654ee83f5afac0fa12a5eeb666dc73b11d05c7fba51e7acab5928de
SHA3-384 hash: c3f21f0e0441e62bc376208295640d6d457fc7f1e52eeca0894aee05ea081ceea2ea92b9f80bc6f14a5f5ef42162356c
SHA1 hash: 65da0bc78c942f558098ede5ed8ae605c97bf03a
MD5 hash: 01bc89814a240c49abc63d75c6a4e7c1
humanhash: alpha-sink-beryllium-one
File name:September Qoutation Request.exe
Download: download sample
Signature Formbook
File size:763'392 bytes
First seen:2025-09-09 13:13:43 UTC
Last seen:2025-09-15 06:57:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:GWQIV5Ss3B+GAhphMD6cfXrESYG4gIqw9EF+x8qyZ6VGH7A9lMYkhkKx8Q:GWN5SOB+GAhpWDtXrDKgIxEM8847A9/Q
Threatray 981 similar samples on MalwareBazaar
TLSH T125F40224225ADA16D1565FB01831E2B81FB86F9DF961C607DFCA3EEFF43AB605844342
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 :
2
# of downloads :
100
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
September Qoutation Request.exe
Verdict:
Malicious activity
Analysis date:
2025-09-09 13:24:53 UTC
Tags:
formbook xloader

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
Unauthorized injection to a recently created process
Sending a custom TCP request
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-09T04:33:00Z UTC
Last seen:
2025-09-09T04:33:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.43 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-09-09 13:28:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook 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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ffc8f79b6654ee83f5afac0fa12a5eeb666dc73b11d05c7fba51e7acab5928de
MD5 hash:
01bc89814a240c49abc63d75c6a4e7c1
SHA1 hash:
65da0bc78c942f558098ede5ed8ae605c97bf03a
SH256 hash:
9ca85ef26499b61cb28b0a9bf6c727df3f8ac41bfa17df3e5b941630976e62c9
MD5 hash:
25a584644147326dc5b4eb4d23dee188
SHA1 hash:
0b3dd4ed5d090fd58bc536a84a436236798615e0
SH256 hash:
12dda0cd3b378fbced3071df357733426bb09e47c31fcc3ba6273650f67895dc
MD5 hash:
773c55854eb467033abb78bc2b667f80
SHA1 hash:
54bfd694185cd257abb4ee6b477dba12b971b9b9
SH256 hash:
ff5f02a7c3e8e1b497dac5101752e476c780b6d2b5d282130fb7f0421a5cab8b
MD5 hash:
3d0423b4ebc5e5826759da8d9d4fa8ac
SHA1 hash:
fdec1389ac554b4135ddc879e093a49c4d4d252d
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
0669bf729e8788243bb9f2f73d261356ce24ce61eb74d8d4283c5fa33f526267
MD5 hash:
a6b3a27f0bb17e87cded2efa996bb5ea
SHA1 hash:
9063ee0b33ac6c2030b29711080d92595424df2d
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:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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.

Malspam

Formbook

Executable exe ffc8f79b6654ee83f5afac0fa12a5eeb666dc73b11d05c7fba51e7acab5928de

(this sample)

  
Delivery method
Distributed via e-mail attachment

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