MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4faf527fcde9f38b487c5f4a7c29dcba98977f664c1f2c8be13bc88c7232f496. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: 4faf527fcde9f38b487c5f4a7c29dcba98977f664c1f2c8be13bc88c7232f496
SHA3-384 hash: 47c047599a73703f237a22d9285f8460be4191c17d42823063af0a0eeb267c7b60b62558f7c8f6ef3793f32e5f2b5460
SHA1 hash: 08e01cd1e38e764d508097ac6cf4aa401f432dae
MD5 hash: 98f77c40ece5a0af4f1a4597ab414fda
humanhash: monkey-batman-twelve-romeo
File name:98f77c40ece5a0af4f1a4597ab414fda.exe
Download: download sample
Signature Formbook
File size:732'672 bytes
First seen:2023-06-22 07:56:41 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:k9PM7q6bpw4dcZda/igiO/fY68YwdxY8TWStwnDlxgoM6HEykHUAaa3bDXB:zzu4CZdONfV8YwLY8C3lxgoM6HRk0ADx
Threatray 2'538 similar samples on MalwareBazaar
TLSH T1F3F41208226B9B1BD0575FF40820B7B5C37D99EBB033E24B8D83BCC6B656B191652B07
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 e0cc8e8e8eccccf0 (19 x AgentTesla, 8 x Loki, 7 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
241
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
98f77c40ece5a0af4f1a4597ab414fda.exe
Verdict:
Suspicious activity
Analysis date:
2023-06-22 07:59:41 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
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot 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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 892638 Sample: wOHZIiTFve.exe Startdate: 22/06/2023 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 5 other signatures 2->44 10 wOHZIiTFve.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\wOHZIiTFve.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 wOHZIiTFve.exe 10->14         started        17 wOHZIiTFve.exe 10->17         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 19 explorer.exe 1 1 14->19 injected process8 dnsIp9 32 www.nilhanzsa.net 64.98.135.11, 49695, 80 TUCOWS-3CA Canada 19->32 34 mamarosarienne.online 200.58.111.41, 49696, 80 DattateccomAR Argentina 19->34 36 2 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 wscript.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-06-21 11:39:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:xchu rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
955b267b5c991cccbd168c2127a490e77c2cd9e884c4963ff75e93b4f885bbcc
MD5 hash:
68b300e6be0bbb8bbc32c7c0b94b5014
SHA1 hash:
155b285f50d48b46378eb8bad40220050de07107
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
bf30f7032a6e2fdd6a872718de569645dda2c9e734a4f90a77e5af9a58d75812
MD5 hash:
29432c0db5445ce74b8a1042234187af
SHA1 hash:
fdc1bce5c868fbaed48ff27b3cc73b752bc66e75
SH256 hash:
3d0b378d0efcbf568e258442b19dbda28502209141f2b8add26b42d5c554b8f7
MD5 hash:
8650823c6509729a40fee96354129527
SHA1 hash:
f54c8ca3ca07a4c0037b59fbd835f50f210f9008
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
7ff3c99925e7eeaaf1e271d6577757f93aaa57878b6aa3243fc8dc8b63422881
MD5 hash:
657623357367619daa46704dd8026424
SHA1 hash:
d73cd6610954f735d27fb5199f82da7b62339ea2
SH256 hash:
4faf527fcde9f38b487c5f4a7c29dcba98977f664c1f2c8be13bc88c7232f496
MD5 hash:
98f77c40ece5a0af4f1a4597ab414fda
SHA1 hash:
08e01cd1e38e764d508097ac6cf4aa401f432dae
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 4faf527fcde9f38b487c5f4a7c29dcba98977f664c1f2c8be13bc88c7232f496

(this sample)

  
Delivery method
Distributed via web download

Comments