MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 406a5754d88d0b63b7f062093347cc92f2c8ae2e87f64cc280ea59dd8fca9d2a. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 406a5754d88d0b63b7f062093347cc92f2c8ae2e87f64cc280ea59dd8fca9d2a
SHA3-384 hash: c5d2d48fa7a81a22cb9e0207c4c1ec5b77c12e24888678e75ed451143263e7c7418136ad00673a2c0989acffd713549b
SHA1 hash: 0eb0ce219ad64feabee78451ea40a0b627a132e5
MD5 hash: 58302cee753d3016cb45b07177513b8d
humanhash: berlin-apart-finch-burger
File name:file
Download: download sample
Signature Formbook
File size:1'163'946 bytes
First seen:2022-11-10 18:59:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:1AOcZusALZP90EHzEN+/y+WT4fi22VDccX/w7rC2uy7Qw8tFe5y:/lT0YzEw6fTmKps0yHsMM
TLSH T1B6351202BA85C572D87316309836EE657F7A3E608E109A9FF3D4BD2C7A712C05225F63
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon e0cc808e8edcd871 (2 x Formbook, 1 x SnakeKeylogger)
Reporter jstrosch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
zam. 82022 ZK 1572_PG-PL_2022.xls
Verdict:
Malicious activity
Analysis date:
2022-11-10 13:06:12 UTC
Tags:
macros opendir exploit cve-2017-11882 loader formbook trojan stealer

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 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
Creating a process from a recently created file
Creating a file
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware 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:
Unknown
Detection:
malicious
Classification:
evad
Score:
72 / 100
Signature
Contains functionality to inject code into remote processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected AntiVM autoit script
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 743394 Sample: file.exe Startdate: 10/11/2022 Architecture: WINDOWS Score: 72 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected AntiVM autoit script 2->30 9 file.exe 3 33 2->9         started        process3 file4 24 C:\Users\user\AppData\Local\...\inajwtpik.exe, PE32 9->24 dropped 12 wscript.exe 1 9->12         started        process5 process6 14 inajwtpik.exe 1 3 12->14         started        file7 26 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 14->26 dropped 32 Multi AV Scanner detection for dropped file 14->32 34 Contains functionality to inject code into remote processes 14->34 36 Writes to foreign memory regions 14->36 18 RegSvcs.exe 14->18         started        20 RegSvcs.exe 14->20         started        signatures8 process9 process10 22 WerFault.exe 18->22         started       
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2022-11-10 11:39:56 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
25 of 40 (62.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:ds0f loader persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Modifies registry class
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
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
791355e6298e6443b7375cc21d884dc3fd4033e6d41ac9a3d944e748f4a1c758
MD5 hash:
cce4bd6df5b94dbe2d7f55aea7b46e22
SHA1 hash:
6f554ceaf5e7d9378615b760af23d6c931df7c3b
SH256 hash:
a8cf1bd715157e7155f7745ee4de55fba38ee1cb3732c1b3acea8c46ea277311
MD5 hash:
09f4aad40db852afff551c2ff884d94e
SHA1 hash:
13269fb2ab2fe871da22782e2856017659b86dea
SH256 hash:
406a5754d88d0b63b7f062093347cc92f2c8ae2e87f64cc280ea59dd8fca9d2a
MD5 hash:
58302cee753d3016cb45b07177513b8d
SHA1 hash:
0eb0ce219ad64feabee78451ea40a0b627a132e5
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
Rule name:sfx_pdb
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

File information


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

Web download

Formbook

Executable exe 406a5754d88d0b63b7f062093347cc92f2c8ae2e87f64cc280ea59dd8fca9d2a

(this sample)

  
Delivery method
Distributed via web download

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