MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28429a50cb6514e59372fad970cad50842fe49e66fc4c07039c69828c0d9949c. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: 28429a50cb6514e59372fad970cad50842fe49e66fc4c07039c69828c0d9949c
SHA3-384 hash: 46a29d3d1988de638ca9836ea5a1bfcdfe65fc1942c72703288a6f63ad63379e149e3850128dd344722b3cfb550735c8
SHA1 hash: d003d913fc057e09c249045012427899478fbfd8
MD5 hash: 64a5bad06963df0eaa46b44d4d276c66
humanhash: zulu-orange-arizona-hot
File name:pansapansa.pif
Download: download sample
Signature Formbook
File size:451'609 bytes
First seen:2023-01-16 10:18:32 UTC
Last seen:2023-01-16 11:41:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:uYa6WFN4q8bMRfnUmJZQSNiaMEEIPsCpsA3livw9x2QkA/U5l:uY64SRvWS7EepsGx9xtK
TLSH T1F0A4AD326D338016EEFAC6703DE5769156603ABFDCD91FCAE221B6C974631C0A639274
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c4ac4b496dd28cc9 (1 x Formbook)
Reporter 0xToxin
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
194
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
pansapansa.pif
Verdict:
Malicious activity
Analysis date:
2023-01-16 10:18:55 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  10/10
Confidence:
83%
Tags:
overlay packed shell32.dll
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
Antivirus detection for URL or domain
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 785022 Sample: pansapansa.pif.exe Startdate: 16/01/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 2 other signatures 2->42 9 pansapansa.pif.exe 19 2->9         started        process3 file4 26 C:\Users\user\AppData\Local\...\rtzygbcg.exe, PE32 9->26 dropped 12 rtzygbcg.exe 9->12         started        process5 signatures6 54 Detected unpacking (changes PE section rights) 12->54 56 Maps a DLL or memory area into another process 12->56 58 Contains functionality to detect sleep reduction / modifications 12->58 15 rtzygbcg.exe 12->15         started        process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 15->60 62 Maps a DLL or memory area into another process 15->62 64 Sample uses process hollowing technique 15->64 66 Queues an APC in another process (thread injection) 15->66 18 explorer.exe 2 1 15->18 injected process9 dnsIp10 28 www.naturalsalttheropy.co.uk 81.17.18.196, 49696, 49697, 80 PLI-ASCH Switzerland 18->28 30 www.scriptmonkey.uk 213.171.195.105, 49700, 49701, 80 ONEANDONE-ASBrauerstrasse48DE United Kingdom 18->30 32 10 other IPs or domains 18->32 44 System process connects to network (likely due to code injection or exploit) 18->44 22 colorcpl.exe 13 18->22         started        signatures11 process12 dnsIp13 34 www.hiufouwnwk.shop 22->34 46 Tries to steal Mail credentials (via file / registry access) 22->46 48 Tries to harvest and steal browser information (history, passwords, etc) 22->48 50 Modifies the context of a thread in another process (thread injection) 22->50 52 Maps a DLL or memory area into another process 22->52 signatures14
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-01-16 02:16:43 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Gathers network information
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
21d675c1bd802c6feef484723656b01b2a21f444ccad276992062ac4856d02f6
MD5 hash:
c0797c6a4d21a3a43776c9716276c8f9
SHA1 hash:
498a3b3b5df730b11e0b835f69dbdf10ecb9d38e
Detections:
win_formbook_auto win_formbook_g0
SH256 hash:
7d2d6650fb4d5c10a68b3fa8d45b1febf98048ce77a6d31b8d8a2c77208fc4f4
MD5 hash:
9ebccd673bf47d1c1782b0af83cae184
SHA1 hash:
ee4c1d0ddee3af2987fc9c6e5e8cb96f6d045fee
SH256 hash:
8aa81f57c8fd4ce77b5e3ee148b3fc36b2f8daae83165f3e9a7b35cd2dfe0de1
MD5 hash:
2c8067ad4623b2b9aee443e50e150acf
SHA1 hash:
8808e5b675d5b8fdcef6d33d242b7e5bc11267e6
SH256 hash:
28429a50cb6514e59372fad970cad50842fe49e66fc4c07039c69828c0d9949c
MD5 hash:
64a5bad06963df0eaa46b44d4d276c66
SHA1 hash:
d003d913fc057e09c249045012427899478fbfd8
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Comments