MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f364037856ba668a59ccec86771c5f35e45d007192c79f63d83fec463f9d1ffe. 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 4 File information Comments

SHA256 hash: f364037856ba668a59ccec86771c5f35e45d007192c79f63d83fec463f9d1ffe
SHA3-384 hash: 4ffa3f0c3c0c6500eb5e457a574f3e351e089d1766c89a36e7201dedda31c8bebde5312b0b8fbcd562c6a96b93c1da25
SHA1 hash: c19ad000cf80dc9abac46314de7dc58c76603d7f
MD5 hash: 97807eec3095d1f53b3e082310644359
humanhash: vermont-zebra-idaho-autumn
File name:Scan_InfoDoc_PO2.pdf.exe
Download: download sample
Signature Formbook
File size:641'024 bytes
First seen:2024-02-14 13:05:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:HDBESOGuqSV0DdX8zuiUdq7D4Ci4cIEh2J8N+sZccWuXMrUFRlbnsd5S51BU2iNi:HtEvZq1KzuuD4FFIEhgyccWHwRZu56nm
Threatray 770 similar samples on MalwareBazaar
TLSH T1B1D4122662B80B59D1BF87FA8A31180143F9F502194BF7E90DD460EE5A267538F63F93
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) (4504/4/1)
File icon (PE):PE icon
dhash icon 3b79097947831b0b (3 x Formbook, 2 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
306
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the process to change network settings
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Double Extension File Execution
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1392159 Sample: Scan_InfoDoc_PO2.pdf.exe Startdate: 14/02/2024 Architecture: WINDOWS Score: 100 34 www.sronlineincome.com 2->34 36 www.six-group.digital 2->36 38 13 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 12 other signatures 2->48 11 Scan_InfoDoc_PO2.pdf.exe 6 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 58 Injects a PE file into a foreign processes 11->58 14 Scan_InfoDoc_PO2.pdf.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 95 1 14->17 injected process8 dnsIp9 28 www.six-group.digital 89.31.143.90, 49724, 80 QSC-AG-IPXDE Germany 17->28 30 www.homeuse.pro 104.21.59.189, 49717, 80 CLOUDFLARENETUS United States 17->30 32 5 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 control.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-02-13 01:34:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:eg21 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
1cb765c938dac031932b2161b059ef77ec8670583e80c799b66d35e65e47e510
MD5 hash:
bcc4cf468aedfa6eb61695b7e011c863
SHA1 hash:
266320df557d4f532f60d0adfe24baca2996a6f0
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 Formbook
SH256 hash:
2fdb2e1150d48b094ebe7fa3e6d54c3b4868e3466d07a8ea3c0947a77d7ad8ce
MD5 hash:
ec2baa41f7866161f49f41eb4b233e05
SHA1 hash:
f99f1044957b28ebc87412a125ec98f8bb163f1e
SH256 hash:
e0703d1f212519495a5afe2644ae49ecba509624938bcf2fc14790f017c60fac
MD5 hash:
76d66c78785b1e2d8642c3d1ada56c93
SHA1 hash:
b396fa60daee65c2a800d9e81b6b58f53e4c3c87
SH256 hash:
a3b82e2d17f660c450ba4dae95a26b906f12626462a4bb9a6c2833071dd9faf5
MD5 hash:
cf3241f04cc546fa617566e84b5c1793
SHA1 hash:
0b9cbe0c45fba268857e11ad4d71105193c19d02
SH256 hash:
f364037856ba668a59ccec86771c5f35e45d007192c79f63d83fec463f9d1ffe
MD5 hash:
97807eec3095d1f53b3e082310644359
SHA1 hash:
c19ad000cf80dc9abac46314de7dc58c76603d7f
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.

Malspam

Formbook

Executable exe f364037856ba668a59ccec86771c5f35e45d007192c79f63d83fec463f9d1ffe

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments