MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89c1b554990c167dfb297996db02c0f6ca7f32606d5249ee26942e3b09b2d766. 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: 17


Intelligence 17 IOCs YARA 9 File information Comments

SHA256 hash: 89c1b554990c167dfb297996db02c0f6ca7f32606d5249ee26942e3b09b2d766
SHA3-384 hash: 95cd7a3cf58dce635f75cd1acb1a9d9c9363940af73efbaa8b3e73d10d75ccfe66f78741d656485aadc48b6c8d6b3079
SHA1 hash: 5563988ec13f9a85aac37649cf1f4f6ba40dfe17
MD5 hash: c8d8e10babd50bf77d413e10e80660b4
humanhash: grey-spring-magazine-pasta
File name:89c1b554990c167dfb297996db02c0f6ca7f32606d5249ee26942e3b09b2d766
Download: download sample
Signature FormBook
File size:1'192'090 bytes
First seen:2023-04-05 15:03:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (390 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:NTbBv5rUanRE0g7R3IyTxxmm/FpXwF+XgOPo+0:HBjI4kV/FpW+XgOAn
Threatray 2'545 similar samples on MalwareBazaar
TLSH T13C451202BEC29832C1A31D326E7A6721757D79202F65CFDFA3C5462DEA225D0DA317B1
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 74f4d4d4cce4e8e0 (27 x AgentTesla, 19 x Formbook, 17 x DBatLoader)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
241
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
89c1b554990c167dfb297996db02c0f6ca7f32606d5249ee26942e3b09b2d766
Verdict:
Malicious activity
Analysis date:
2023-04-05 15:04:38 UTC
Tags:
formbook xloader

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

Behaviour
Launching the default Windows debugger (dwwin.exe)
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Launching a process
Creating a process from a recently created file
Creating a file
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autoit formbook greyware keylogger overlay packed setupapi.dll shdocvw.dll 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.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files with a suspicious file extension
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Starts an encoded Visual Basic Script (VBE)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 841929 Sample: omGLI1GGZK.exe Startdate: 05/04/2023 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 4 other signatures 2->41 9 omGLI1GGZK.exe 79 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\...\pkssrui.pif, PE32 9->25 dropped 43 Drops PE files with a suspicious file extension 9->43 45 Starts an encoded Visual Basic Script (VBE) 9->45 13 wscript.exe 1 9->13         started        signatures5 process6 process7 15 pkssrui.pif 1 3 13->15         started        file8 27 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 15->27 dropped 29 Antivirus detection for dropped file 15->29 31 Multi AV Scanner detection for dropped file 15->31 33 Writes to foreign memory regions 15->33 19 RegSvcs.exe 15->19         started        21 RegSvcs.exe 15->21         started        signatures9 process10 process11 23 WerFault.exe 19->23         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-03-23 08:17:43 UTC
File Type:
PE (Exe)
Extracted files:
124
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:mg24 persistence rat spyware stealer trojan
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Formbook payload
Formbook
Unpacked files
SH256 hash:
9cabf970e13a30f746130d4bb352d42ba94eadd1e4625914a23320eaf36bfc94
MD5 hash:
1e33fa96db8cb8d101d17a496d00a8a6
SHA1 hash:
a7c9d897ea617d1a914480cbd6abdeb110a49b3d
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
60eddf4a5774225c915292dd247421dd2b35f56d7052b13ec2e24fd6372d61fb
MD5 hash:
86f1846c36bb1a3963e348d1d9395746
SHA1 hash:
99c315e3821f4819445e256eef101ebe0d54f985
SH256 hash:
89c1b554990c167dfb297996db02c0f6ca7f32606d5249ee26942e3b09b2d766
MD5 hash:
c8d8e10babd50bf77d413e10e80660b4
SHA1 hash:
5563988ec13f9a85aac37649cf1f4f6ba40dfe17
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
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.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Comments