MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21ccf1fad3e1a08f580d5f0d5aa2d13fb1a633aa1c68100d435628a437efb89b. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash: 21ccf1fad3e1a08f580d5f0d5aa2d13fb1a633aa1c68100d435628a437efb89b
SHA3-384 hash: 6cefce7f330d5a5c19979f1beae8d8c0384fbbef8a58fd25f944592824c8fade522883c39a66eaa536165cbd32f032ae
SHA1 hash: 2cf6f37db30b5bdd5b3ae338a4e209c9ccd0f984
MD5 hash: 321ac4a7c104daae261c6ce5ed12db5a
humanhash: xray-bakerloo-uniform-illinois
File name:Payment Confirmation REF No 016747 PDF.exe
Download: download sample
Signature Formbook
File size:259'831 bytes
First seen:2023-08-28 10:17:05 UTC
Last seen:2023-08-28 10:17:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:PYa64mTIQqcpm2VNUmdzdr4AiO0iijUg0SkuMPnGKY6X:PYOmTtrVjd2liijUg0tuMeJ0
Threatray 2'373 similar samples on MalwareBazaar
TLSH T1A94413897290C4BBE4110BB70A3F5A96DEF7B1094414EF0753F85EA9FAA12809E5D3A1
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe FormBook Maersk payment

Intelligence


File Origin
# of uploads :
2
# of downloads :
295
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Payment Confirmation REF No 016747 PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-08-28 10:20:22 UTC
Tags:
formbook xloader stealer spyware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control formbook lolbin masquerade overlay packed shell32
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook, NSISDropper
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-20 23:12:19 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sn26 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Blocklisted process makes network request
Formbook payload
Formbook
Unpacked files
SH256 hash:
5e1e79b104e41442160e3e95286e66e5bc60eb04a297cff540c28de26a4d7e7b
MD5 hash:
7147f5a82ce4e5d4c0ac9ef31a61e685
SHA1 hash:
20a630132308c935238826f98cbebc7754ff6474
SH256 hash:
21ccf1fad3e1a08f580d5f0d5aa2d13fb1a633aa1c68100d435628a437efb89b
MD5 hash:
321ac4a7c104daae261c6ce5ed12db5a
SHA1 hash:
2cf6f37db30b5bdd5b3ae338a4e209c9ccd0f984
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:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Malspam

Formbook

Executable exe 21ccf1fad3e1a08f580d5f0d5aa2d13fb1a633aa1c68100d435628a437efb89b

(this sample)

Comments