MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cc79dccb652d3798039383ca1068e18e68f129e43cc278797b5bb45645c98ce. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 8cc79dccb652d3798039383ca1068e18e68f129e43cc278797b5bb45645c98ce
SHA3-384 hash: 7f6707d79455a89ca031957cc5a78ff3da6d1a621d33c98e799b9bea5340edcd2c0639a25a686058b9fa372a41d2c9ab
SHA1 hash: f738d5bbba0c0589fed01612263aa439e828ea37
MD5 hash: 3f732abe929e5441ece5c7e01b1f2b86
humanhash: glucose-mirror-skylark-potato
File name:0018389938.exe
Download: download sample
Signature Formbook
File size:994'816 bytes
First seen:2022-05-06 04:24:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'841 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 12288:9AF0Jbkc6wjJy5RoZC6sUys+9YZRJoDEjqLWHmdWbGEM2G1eZJW44p:R9kcNe56sUy5YK+eWGAGQs7p
Threatray 12'434 similar samples on MalwareBazaar
TLSH T1A5254A4B6354E51BD11EB33C98147A2842934E8A71A0F7D964EC7CC37A37F8A19E81F9
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 90b2b252ba894c96 (2 x NetWire, 1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
287
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
0018389938.exe
Verdict:
Malicious activity
Analysis date:
2022-05-06 04:25:18 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
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a process with a hidden window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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.
Gathering data
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.XLoader
Status:
Malicious
First seen:
2022-05-06 00:10:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
47
AV detection:
21 of 41 (51.22%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:mjup loader rat suricata
Behaviour
Modifies registry class
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
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
d4a1caf196d2fd1ce04b8e6a11937622279f2b787fc518c555593840c5f6ba1f
MD5 hash:
9fc6f8ab88cca8c7e225d8732f2f6dc0
SHA1 hash:
aa5eb3bd507fce104e6ccff2a30c293eb628e3f1
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
c611a6ceb263401ed18ff93961bd6d0cdf8757e48d8e76b13943e85b9d3b5a0b
MD5 hash:
f9b293305bd04eee511c0ffd0e7f29d7
SHA1 hash:
fd981a9537a903422311f582defc1c8fd97248af
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
SH256 hash:
ae0eea6444e5fcc79e10adf04b157e8fbdc10f7ff5a1401a53b99575fbb45783
MD5 hash:
78be2c3d2918bbaa910a9bd8d98821db
SHA1 hash:
d8926915c5f761a4358eb5dba6c38d97ec0f1203
SH256 hash:
de946071f5ce37d7bd121d1d7123a795c6111bb37715139a956110b97b0ba98a
MD5 hash:
ee5770ede963b3444343d074820acf46
SHA1 hash:
8863ca4d0e2f49f93c5325135931a163d652ab73
SH256 hash:
8cc79dccb652d3798039383ca1068e18e68f129e43cc278797b5bb45645c98ce
MD5 hash:
3f732abe929e5441ece5c7e01b1f2b86
SHA1 hash:
f738d5bbba0c0589fed01612263aa439e828ea37
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.

Malspam

Formbook

Executable exe 8cc79dccb652d3798039383ca1068e18e68f129e43cc278797b5bb45645c98ce

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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