MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e640fecf24e29afbbabadfcbc69a7dd1dfa3161faff5cf5aebfa3820f156de96. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: e640fecf24e29afbbabadfcbc69a7dd1dfa3161faff5cf5aebfa3820f156de96
SHA3-384 hash: 4c9b951b4420e722b6e33aff9bd3964df9444bde8f7f63e2d69bf10e257c00b5e73a5e151563a2633902fddbc422d5cb
SHA1 hash: 5e07a66ede93bf7498a4a956bca0183e49872c97
MD5 hash: f27c6964ea4068db23ff34ca47f51481
humanhash: december-two-robert-undress
File name:file
Download: download sample
Signature Formbook
File size:1'056'768 bytes
First seen:2023-03-29 19:11:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:lO12zVZ97tAi62qQZ1p92/dqVyqRgD+Wmo9nSrGKCY:lOAR37w2fQd63nnDrx
TLSH T18725AC5CE0C072FBC61387B285D1E733A26FDED156528ADDD9E46DE7B0FB608081A216
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter jstrosch
Tags:.NET exe FormBook MSIL

Intelligence


File Origin
# of uploads :
1
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-29 19:25:51 UTC
Tags:
formbook trojan stealer

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

Behaviour
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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, Play
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Deletes itself after installation
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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)
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Yara detected Play Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 837549 Sample: file.exe Startdate: 29/03/2023 Architecture: WINDOWS Score: 100 31 www.yourbestversioneua.com 2->31 33 yourbestversioneua.com 2->33 41 Snort IDS alert for network traffic 2->41 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 6 other signatures 2->47 9 file.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->23 dropped 57 Injects a PE file into a foreign processes 9->57 13 file.exe 9->13         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 13->59 61 Maps a DLL or memory area into another process 13->61 63 Sample uses process hollowing technique 13->63 65 Queues an APC in another process (thread injection) 13->65 16 explorer.exe 1 1 13->16 injected process9 dnsIp10 25 www.fruitecology.com 46.30.213.155, 49703, 49704, 49705 ONECOMDK Denmark 16->25 27 www.thezweb.com 63.141.242.46, 49706, 49707, 49708 NOCIXUS United States 16->27 29 6 other IPs or domains 16->29 35 System process connects to network (likely due to code injection or exploit) 16->35 37 Performs DNS queries to domains with low reputation 16->37 39 Uses netsh to modify the Windows network and firewall settings 16->39 20 netsh.exe 13 16->20         started        signatures11 process12 signatures13 49 Tries to steal Mail credentials (via file / registry access) 20->49 51 Tries to harvest and steal browser information (history, passwords, etc) 20->51 53 Deletes itself after installation 20->53 55 2 other signatures 20->55
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-03-29 08:49:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
474cad2073158b27d48c21a937f2db748993c19aede7e60d7d019e8d87a61c70
MD5 hash:
ef3599037621d0f4f9e2aa7559df2ff1
SHA1 hash:
1931d6a658f0d9cdb9f22ca34efe3c15979bbb5b
SH256 hash:
b4b190818a658f0b64f5aa6d39e901e9d731bf1f58fa072b4c73120a96489bdb
MD5 hash:
3c6f8b2e78f5ebf58c4f170b30c04607
SHA1 hash:
c0ee09a1a9d1c673ad7eadabab7de44ebe0ff765
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
SH256 hash:
218e111147425f43a48285fee56f79f0bcebba6f674023848516d15a25a00983
MD5 hash:
b0cd28f6be1934741f6bc9f8d2d9d008
SHA1 hash:
63bdc88bedfec074bda9589cccf5165b7ff4ff0f
SH256 hash:
b43db0438738ed849fbdd0c41f59a5894c684a011ce6f251904b529e60598dac
MD5 hash:
afb7384230d4dac3e5645e14ec849869
SHA1 hash:
59de8f04018598c78c11b45cb595211e488f1684
SH256 hash:
e640fecf24e29afbbabadfcbc69a7dd1dfa3161faff5cf5aebfa3820f156de96
MD5 hash:
f27c6964ea4068db23ff34ca47f51481
SHA1 hash:
5e07a66ede93bf7498a4a956bca0183e49872c97
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: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 e640fecf24e29afbbabadfcbc69a7dd1dfa3161faff5cf5aebfa3820f156de96

(this sample)

  
Delivery method
Distributed via web download

Comments