MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b86e5743a7a35e6c3e1dc7cb1a844299e7b1f9eeea5bb7e51ca0de52b808803. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments 1

SHA256 hash: 3b86e5743a7a35e6c3e1dc7cb1a844299e7b1f9eeea5bb7e51ca0de52b808803
SHA3-384 hash: 8fd5538afebc20d44a970d46a9f59f9510a74c32dfb060fa3c9be58caaac505f073a58c00bf7eb6c66f0173cfa1c309f
SHA1 hash: 79d35d8f6e451b1369619c65a67c4116184a0b6c
MD5 hash: daf8173675eb174a782edcbbf805b285
humanhash: salami-winner-vegan-georgia
File name:daf8173675eb174a782edcbbf805b285
Download: download sample
Signature Formbook
File size:715'264 bytes
First seen:2023-04-19 16:50:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:OuBO5ZZC/W2n9bEiNmXdwlkw0quYa5T7qnLKw06BuyHzsfr80fG85VcL:OuqTC/fOiNedOhuYYOLKEuIsfr80uu
Threatray 2'716 similar samples on MalwareBazaar
TLSH T1F7E4019CA7F9C6A7D1A80FBD8016628D3B7480F77267C239DF8B4489EB47B141D84687
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 2050707096cc4860 (6 x AgentTesla, 5 x SnakeKeylogger, 3 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
267
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RTWL2162533-shippingOrder.doc
Verdict:
Malicious activity
Analysis date:
2023-04-19 10:30:19 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader

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
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 850139 Sample: 7ozLVPwRyQ.exe Startdate: 19/04/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 7 other signatures 2->42 10 7ozLVPwRyQ.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\7ozLVPwRyQ.exe.log, ASCII 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 7ozLVPwRyQ.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 4 6 14->17 injected process8 dnsIp9 30 ebaepay.click 67.223.118.65, 49684, 80 VIMRO-AS15189US United States 17->30 32 www.ethdefi.live 104.21.58.178, 49683, 80 CLOUDFLARENETUS United States 17->32 34 www.ebaepay.click 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netstat to query active network connections and open ports 17->46 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s17b rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
402560fe2ff5821f41eb1ca46d02c23d15096e644c4fd711b54f115dc6c62eac
MD5 hash:
dcbb33afb113c05f9fe49bd9dfdc5b07
SHA1 hash:
3ed59bd7af21e25a7147d52dfdbce8f4f67ad27e
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
721a745270d3e74b2781d3bee9b476b04afcd3c993f2c5e6d048856660a0a734
MD5 hash:
6a562c4cc3129b9d7371f9ccf611a9d7
SHA1 hash:
5b69ada4c74629e69e425742416e858bab359665
SH256 hash:
7ae2153d86fd705a644d0deb4d8dc0f08f722f2076635af90913df72b934a785
MD5 hash:
583bfcac45d7d972f87a53869d3f086f
SHA1 hash:
589a25dc566978e07811145d9ae1b82013e788aa
SH256 hash:
6541780d552f9138d62669fa959276d11318034c23711599e78dda038716de57
MD5 hash:
b3c4c08aea4e0a84036527ca33cb5a3c
SHA1 hash:
4e203c48ffd663d303aa46cc5600221d0b770071
SH256 hash:
5e5c8fe4e53980a98b48fe6b19155edf0f0d285ed899c61dbf4f880583ddf1d2
MD5 hash:
b3bbc5461d12f07ea893bf415dfe7c89
SHA1 hash:
40c3156c471d2afe3fd88c7d20cf93e5782e1bd6
SH256 hash:
3b86e5743a7a35e6c3e1dc7cb1a844299e7b1f9eeea5bb7e51ca0de52b808803
MD5 hash:
daf8173675eb174a782edcbbf805b285
SHA1 hash:
79d35d8f6e451b1369619c65a67c4116184a0b6c
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 3b86e5743a7a35e6c3e1dc7cb1a844299e7b1f9eeea5bb7e51ca0de52b808803

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-04-19 16:50:12 UTC

url : hxxp://208.67.105.179/stevezx.exe