MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 577a6f8ac673a1b176fd32c9b8fe01178fee10a2602e3ccbc02b3fdebfa9bf0b. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 577a6f8ac673a1b176fd32c9b8fe01178fee10a2602e3ccbc02b3fdebfa9bf0b
SHA3-384 hash: 82a8e97a2731a36f1a58f470f553a755e2f91347e0623efb26c9e663ccfed4b99284defcde559f884720e1f097954382
SHA1 hash: 901c8ac78370ae7493e72e4df27a1e9fbd121d12
MD5 hash: 2fd6f7c38e522cfabba91ae6670c173c
humanhash: july-cardinal-jig-oscar
File name:84106372.exe
Download: download sample
Signature Formbook
File size:482'304 bytes
First seen:2023-01-22 02:36:50 UTC
Last seen:2023-01-23 14:13:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:28b+DSBda+fDmvHUeCoSQesrPBs5KPjfe:CWamFPkee
Threatray 984 similar samples on MalwareBazaar
TLSH T128A4122F57CC57B6F3BA07BCDC902A1615BBEF728C62B375809CD1CC4D42D9689692A0
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 Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
84106372.exe
Verdict:
Malicious activity
Analysis date:
2023-01-22 02:39:17 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
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
Searching for the window
Reading critical registry keys
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:
fingerprint packed stealer
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
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: 789102 Sample: 84106372.exe Startdate: 22/01/2023 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 7 other signatures 2->38 8 84106372.exe 4 2->8         started        process3 file4 24 C:\Users\user\AppData\...\84106372.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 AddInProcess32.exe 8->12         started        15 conhost.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 7 6 12->17 injected process8 dnsIp9 26 www.accordvent.xyz 199.192.31.98, 49712, 80 NAMECHEAP-NETUS United States 17->26 28 capertidai.shop 198.252.105.99, 49702, 80 HAWKHOSTCA Canada 17->28 30 8 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 WWAHost.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.Generic
Status:
Suspicious
First seen:
2023-01-21 00:40:40 UTC
AV detection:
15 of 37 (40.54%)
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 WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Unpacked files
SH256 hash:
577a6f8ac673a1b176fd32c9b8fe01178fee10a2602e3ccbc02b3fdebfa9bf0b
MD5 hash:
2fd6f7c38e522cfabba91ae6670c173c
SHA1 hash:
901c8ac78370ae7493e72e4df27a1e9fbd121d12
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 577a6f8ac673a1b176fd32c9b8fe01178fee10a2602e3ccbc02b3fdebfa9bf0b

(this sample)

  
Delivery method
Distributed via e-mail attachment

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