MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2898cb7724546579022e85a86b222cc4caf739ea4b325a50f24512e4145f2f92. 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 1 File information Comments 1

SHA256 hash: 2898cb7724546579022e85a86b222cc4caf739ea4b325a50f24512e4145f2f92
SHA3-384 hash: 7f28108f7f94fa7bef9f87339dfeacfb926dc67ef3592b0c783295fad0033f426e07a5888ecafaa3e4cb781798a6f306
SHA1 hash: 194f85bfcfae0f3c0ce55af40266c3fbed0ac245
MD5 hash: f35d8958edaab270d6c621bb96e395fc
humanhash: hydrogen-nuts-nitrogen-quiet
File name:f35d8958edaab270d6c621bb96e395fc
Download: download sample
Signature Formbook
File size:471'552 bytes
First seen:2023-03-17 02:43:09 UTC
Last seen:2023-03-17 05:27:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:M9podLzMGtJXh2W0skbWd/2fvfwqk0Z4XE75VmiGU1:CpodLQgXhxYbVfvfwo9d
Threatray 1'193 similar samples on MalwareBazaar
TLSH T1A6A412AA36F4463BEB30CAB41893150C9FA2B9397E49498ABF59703EF4CD317197650C
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter zbetcheckin
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
f35d8958edaab270d6c621bb96e395fc
Verdict:
Malicious activity
Analysis date:
2023-03-17 02:45:06 UTC
Tags:
stealer formbook trojan

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 file
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Reading critical registry keys
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook 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.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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 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 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)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 828361 Sample: JuqXstkIev.exe Startdate: 17/03/2023 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 6 other signatures 2->38 8 JuqXstkIev.exe 3 2->8         started        process3 file4 24 C:\Users\user\AppData\...\JuqXstkIev.exe.log, CSV 8->24 dropped 52 Writes to foreign memory regions 8->52 54 Injects a PE file into a foreign processes 8->54 12 jsc.exe 8->12         started        15 ngentask.exe 8->15         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 12->56 58 Maps a DLL or memory area into another process 12->58 60 Sample uses process hollowing technique 12->60 62 Queues an APC in another process (thread injection) 12->62 17 explorer.exe 6 6 12->17 injected process8 dnsIp9 26 www.shapshit.xyz 17->26 28 www.222ambking.org 91.195.240.94, 49705, 49706, 49707 SEDO-ASDE Germany 17->28 30 9 other IPs or domains 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 42 Performs DNS queries to domains with low reputation 17->42 21 msdt.exe 13 17->21         started        signatures10 process11 signatures12 44 Tries to steal Mail credentials (via file / registry access) 21->44 46 Tries to harvest and steal browser information (history, passwords, etc) 21->46 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
Threat name:
Win64.Trojan.FormBook
Status:
Malicious
First seen:
2023-03-16 18:11:39 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
2
AV detection:
18 of 24 (75.00%)
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
Loads dropped DLL
Uses the VBS compiler for execution
Unpacked files
SH256 hash:
2898cb7724546579022e85a86b222cc4caf739ea4b325a50f24512e4145f2f92
MD5 hash:
f35d8958edaab270d6c621bb96e395fc
SHA1 hash:
194f85bfcfae0f3c0ce55af40266c3fbed0ac245
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:pdb_YARAify
Author:@wowabiy314
Description:PDB

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 2898cb7724546579022e85a86b222cc4caf739ea4b325a50f24512e4145f2f92

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-03-17 02:43:11 UTC

url : hxxp://103.189.202.84/R00821/vbc.exe