MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04f9b267f0ce81017f3305ab8fbf4e1295336389cf7ec742ca1f8dcb4831cb02. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 04f9b267f0ce81017f3305ab8fbf4e1295336389cf7ec742ca1f8dcb4831cb02
SHA3-384 hash: cf63ff13b50513f058007c381e9b66dbed7c2df3a4e94067f176c3a058b9c13b67708ac8eb9ab599bfdca6230f252603
SHA1 hash: b4ea89ce583db2303aa8f8a63e0aaa33569829cb
MD5 hash: 53fe5011f2e09054b574b2806901e4e1
humanhash: music-missouri-leopard-cat
File name:53fe5011f2e09054b574b2806901e4e1.exe
Download: download sample
Signature Formbook
File size:649'728 bytes
First seen:2023-08-20 11:37:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:JkmHFFDe76KYa68qAHhV0sAvglM2IQ2Sl8Ll1F8vO3qF1S9eGcZNYY3:SmXe76JAD6glRTnSGvO30HGGY
Threatray 3'575 similar samples on MalwareBazaar
TLSH T19BD4F08033BD6A47D9B2DAF855B8511083B27E5AA021E3DD5CC671DA19F2F404BA2F37
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00c0c4caf2d6c400 (8 x AgentTesla, 5 x Formbook, 1 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
265
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
53fe5011f2e09054b574b2806901e4e1.exe
Verdict:
Suspicious activity
Analysis date:
2023-08-20 11:47:01 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Gathering data
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1294043 Sample: batN3KlbUq.exe Startdate: 20/08/2023 Architecture: WINDOWS Score: 100 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 3 other signatures 2->46 9 batN3KlbUq.exe 3 2->9         started        process3 signatures4 52 Injects a PE file into a foreign processes 9->52 12 batN3KlbUq.exe 9->12         started        process5 signatures6 54 Maps a DLL or memory area into another process 12->54 56 Queues an APC in another process (thread injection) 12->56 15 cMUllROsCjqCZ.exe 12->15 injected process7 process8 17 msiexec.exe 13 15->17         started        signatures9 32 Tries to steal Mail credentials (via file / registry access) 17->32 34 Tries to harvest and steal browser information (history, passwords, etc) 17->34 36 Modifies the context of a thread in another process (thread injection) 17->36 38 Maps a DLL or memory area into another process 17->38 20 explorer.exe 5 1 17->20 injected 24 cMUllROsCjqCZ.exe 17->24 injected process10 dnsIp11 26 www.potent-tech.com 119.28.69.86, 49773, 49774, 49775 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN China 20->26 28 301.woaituqing.com 67.21.74.99, 49763, 49764, 49765 ST-BGPUS United States 20->28 30 13 other IPs or domains 20->30 48 System process connects to network (likely due to code injection or exploit) 20->48 50 Performs DNS queries to domains with low reputation 20->50 signatures12
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-08-18 13:06:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
c626bb14f96aa5e4da875c08230bc9c97bb61c9736f3d4dc8d4a5758a8aa35dc
MD5 hash:
78dcba5d9656b33f044ba352a2a9e660
SHA1 hash:
8d28ba43dcb87cb4a987a8c7c228bf63b62e3324
SH256 hash:
5bf4a35733e047ded9257716dc75cd6e055c34aeadb9a25fbf7cef84a99166ea
MD5 hash:
4cbe9d63bbec3127f530e5beea7580a9
SHA1 hash:
f772eda5f6f8f23b3ad24fb4ee920a5f275a7c0c
SH256 hash:
b35ff91c8fbbb5ce1617265368b5f16cbacf8951645b8daf9daaa77b4ed8cc37
MD5 hash:
6f880f1113f33e4da83133ac1556d89e
SHA1 hash:
c1e188272449a0af644fe6696a09b9938012ec2a
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
04f9b267f0ce81017f3305ab8fbf4e1295336389cf7ec742ca1f8dcb4831cb02
MD5 hash:
53fe5011f2e09054b574b2806901e4e1
SHA1 hash:
b4ea89ce583db2303aa8f8a63e0aaa33569829cb
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: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.

Web download

Formbook

Executable exe 04f9b267f0ce81017f3305ab8fbf4e1295336389cf7ec742ca1f8dcb4831cb02

(this sample)

  
Delivery method
Distributed via web download

Comments