MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 596b439c3130f5a6668f71725e2cb80791bcda5cad2cbd8ba828e7ef676118f4. 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: 596b439c3130f5a6668f71725e2cb80791bcda5cad2cbd8ba828e7ef676118f4
SHA3-384 hash: 7d8f5f6e84c1c1ac013f611109bb4b0455b544e86269cfb35beac32bcaf9a364b196b9df8c2b5eebdb3d97ec5155d9e6
SHA1 hash: b48eb5165ad87f984c36563bb0afd447f40d46e8
MD5 hash: fd9a9e948fee61738956e55a32fe5291
humanhash: salami-coffee-burger-illinois
File name:fd9a9e948fee61738956e55a32fe5291.exe
Download: download sample
Signature Formbook
File size:788'992 bytes
First seen:2022-11-21 10:04:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:mBnG30YCoDAHqaTcPyRIDDAx+L74mBfNUstzo:mBn+9kTcPzDs
TLSH T119F43A0F2B7FDEF0EA245CFB221457039C3659DAAE8BCA7843946BC660F161C6B74464
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)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fd9a9e948fee61738956e55a32fe5291.exe
Verdict:
Suspicious activity
Analysis date:
2022-11-21 10:11:46 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
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
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 dnsIp2 2 Behavior Graph ID: 750698 Sample: 33hkxOuKtb.exe Startdate: 21/11/2022 Architecture: WINDOWS Score: 100 24 www.ccgszj.com 2->24 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 6 other signatures 2->40 9 33hkxOuKtb.exe 3 2->9         started        signatures3 process4 file5 22 C:\Users\user\AppData\...\33hkxOuKtb.exe.log, ASCII 9->22 dropped 12 33hkxOuKtb.exe 9->12         started        process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 12->50 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 56 Queues an APC in another process (thread injection) 12->56 15 explorer.exe 12->15 injected process8 dnsIp9 26 iamme-label.com 81.169.145.80, 49716, 49718, 80 STRATOSTRATOAGDE Germany 15->26 28 www.ahmedo.ch 213.239.221.71, 49715, 80 HETZNER-ASDE Germany 15->28 30 www.iamme-label.com 15->30 32 System process connects to network (likely due to code injection or exploit) 15->32 19 wlanext.exe 13 15->19         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 19->42 44 Tries to harvest and steal browser information (history, passwords, etc) 19->44 46 Modifies the context of a thread in another process (thread injection) 19->46 48 Maps a DLL or memory area into another process 19->48
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-11-20 11:57:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 26 (69.23%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dcn0 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
6fb3515c15daada5ecdb6194a69cc199a68e378ed018e2423d9e2ce2ef6d9493
MD5 hash:
3d5e5048fd971cf530cd06128c0d488c
SHA1 hash:
1d9563e53c7982db06037ae22160e2fbaa9b8243
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
42571754dcc7501f6aff155ce4db9c38dd55937bffdc8ce54dfb21900ce9fce6
MD5 hash:
319fd9ed786bd8638c6455806386d20e
SHA1 hash:
ac84ea9a8ccb1b977e758f3be0ed6ad0105d3891
SH256 hash:
fedabd99d7db9b999bcbe823cbcd759a0f58e299f59da9aa5500955f79ce37cd
MD5 hash:
b606503b06786d29ab2832cd817a65fa
SHA1 hash:
587818848ec474c1e67955b0aca3af85193ab47d
SH256 hash:
31b663b91f11b8f7da1d8bd87f8532e563f301754b1ca2c0a97c2f358ad116dd
MD5 hash:
ba1868faf5de09265b89c44732c1ab3d
SHA1 hash:
38997e35e0c68866a2a6e4a7356252e1f252e2e5
SH256 hash:
2c2541b95061ca9c81b556a8ca0a98bac5f2436754a3f100057cd64b9865bf8a
MD5 hash:
45401ab84120ffbeee9c64cb45b1af95
SHA1 hash:
01f8bfad3ce2c9bb02b0fa245fa1506e0204c0c2
SH256 hash:
4e62897e8323f79aa76e653a0e2d33e109223889f1c82e52493a6087921b4dd2
MD5 hash:
c233b9e341fe94e7e2a92bce817ab7af
SHA1 hash:
01e431675555285fdc4a6c17ceedf34d13a6c834
SH256 hash:
596b439c3130f5a6668f71725e2cb80791bcda5cad2cbd8ba828e7ef676118f4
MD5 hash:
fd9a9e948fee61738956e55a32fe5291
SHA1 hash:
b48eb5165ad87f984c36563bb0afd447f40d46e8
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 596b439c3130f5a6668f71725e2cb80791bcda5cad2cbd8ba828e7ef676118f4

(this sample)

  
Delivery method
Distributed via web download

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