MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 06724c588f5b9381effa96ca72ae6c136b6ec64ae1e898942d34142e40078bab. 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 6 File information Comments

SHA256 hash: 06724c588f5b9381effa96ca72ae6c136b6ec64ae1e898942d34142e40078bab
SHA3-384 hash: 77b33a4152d61d51162d7272c1ee6a0f87c98b5afa4f8d9141ca12cd3b70b7f45ca2e5b4c5fff42323517ff0984a4912
SHA1 hash: dfc133a85bab835ea1dc541874e6517b7dfd2811
MD5 hash: 8ee0d0f481f51693fa69d72953f4e23c
humanhash: oranges-vegan-mirror-fillet
File name:61805394.exe
Download: download sample
Signature Formbook
File size:616'519 bytes
First seen:2022-12-09 14:02:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 12288:GlVzqun0gtXT7WoabwmXJ2XbsE1NVcNLIFSzRd2fTV9Rf:GLLtnWZHXJX+Ns2LV9Rf
TLSH T1A2D42316A1E2006BD106FD313A73437EEAAED11A2017696FBF10DFEE2E665715F0B058
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi formbook nemesis 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.
Malware family:
LockBit Ransomware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found API chain indicative of sandbox detection
Machine Learning detection for dropped file
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
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: 764179 Sample: 61805394.exe Startdate: 09/12/2022 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 4 other signatures 2->52 9 61805394.exe 20 2->9         started        process3 file4 28 C:\Users\user\AppData\...\shwqxoomjp.exe, PE32 9->28 dropped 12 shwqxoomjp.exe 1 2 9->12         started        process5 file6 30 C:\Users\user\AppData\Roaming\...\pbqj.exe, PE32 12->30 dropped 66 Machine Learning detection for dropped file 12->66 68 Found API chain indicative of sandbox detection 12->68 70 Maps a DLL or memory area into another process 12->70 16 shwqxoomjp.exe 12->16         started        signatures7 process8 signatures9 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 42 Sample uses process hollowing technique 16->42 44 Queues an APC in another process (thread injection) 16->44 19 explorer.exe 16->19 injected process10 dnsIp11 32 www.127368.buzz 154.213.26.233, 49706, 49707, 49708 YISUCLOUDLTD-AS-APYISUCLOUDLTDHK Seychelles 19->32 34 www.relays.info 109.70.26.37, 49704, 49705, 80 RU-CENTERRU Russian Federation 19->34 36 3 other IPs or domains 19->36 54 System process connects to network (likely due to code injection or exploit) 19->54 23 systray.exe 13 19->23         started        26 pbqj.exe 19->26         started        signatures12 process13 signatures14 56 Tries to steal Mail credentials (via file / registry access) 23->56 58 Tries to harvest and steal browser information (history, passwords, etc) 23->58 60 Modifies the context of a thread in another process (thread injection) 23->60 62 Maps a DLL or memory area into another process 23->62 64 Machine Learning detection for dropped file 26->64
Threat name:
Win32.Trojan.Auzenpak
Status:
Malicious
First seen:
2022-12-09 13:27:41 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:yurm persistence rat spyware stealer trojan
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
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d72636b688f1516d95c5f4284e7bb48b4cdbb84be29602256352eb9bcd201b16
MD5 hash:
67ab1a1d4928f5ad3fa5da8d62da9526
SHA1 hash:
5065f154f716e6938d9364437f91ca8190d74571
SH256 hash:
e439f02b72a882498d512689f380e1323c4d8342578fe8608e81061cf4a8aee1
MD5 hash:
3d90ab79b9719aded136b7cd437ebb21
SHA1 hash:
dbec6e868a293cb0bd58d35191b1423ab8942384
SH256 hash:
06724c588f5b9381effa96ca72ae6c136b6ec64ae1e898942d34142e40078bab
MD5 hash:
8ee0d0f481f51693fa69d72953f4e23c
SHA1 hash:
dfc133a85bab835ea1dc541874e6517b7dfd2811
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: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.

  
Delivery method
Other

Comments