MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02bdbd4777fc54081f239ce8936bb56d899ec58fe61437875f09227a55a74920. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: 02bdbd4777fc54081f239ce8936bb56d899ec58fe61437875f09227a55a74920
SHA3-384 hash: ecf05dce18587b8e36b8cf44f758b2dc853171fd81b6820ea29aef383b38bc06da9fa9a08f4373e1b9846a952b633a2d
SHA1 hash: 91429f21a3a7e97b77421b615233be645d096987
MD5 hash: 69eddb992ebe64f55d5da7a653c1e1d7
humanhash: montana-item-carbon-muppet
File name:jetsoff8906.exe
Download: download sample
Signature Formbook
File size:1'138'072 bytes
First seen:2022-10-04 13:40:15 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:UAOcZXcxP6BS0sRWuogs+VocwuP3h3jKaGAuvZG31RMaas/x4p:CHasRWuogTVocwuPhNQA3XM91
Threatray 17'340 similar samples on MalwareBazaar
TLSH T1D4351282B6D18473D17319369A3AAB15A97D3C101F285A2FA3D4496DDA31BC37238F73
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 8271cc9696cc7182 (10 x Formbook, 1 x NetWire)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
273
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Adding an access-denied ACE
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Drops PE files with a suspicious file extension
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 716305 Sample: jetsoff8906.exe Startdate: 05/10/2022 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected FormBook 2->48 50 3 other signatures 2->50 11 jetsoff8906.exe 27 2->11         started        process3 file4 38 C:\Users\user\AppData\...\msvbrvkxv.pif, PE32 11->38 dropped 68 Drops PE files with a suspicious file extension 11->68 15 msvbrvkxv.pif 2 11->15         started        signatures5 process6 signatures7 74 Multi AV Scanner detection for dropped file 15->74 76 Writes to foreign memory regions 15->76 78 Allocates memory in foreign processes 15->78 80 2 other signatures 15->80 18 RegSvcs.exe 15->18         started        21 RegSvcs.exe 15->21         started        process8 signatures9 52 Modifies the context of a thread in another process (thread injection) 18->52 54 Maps a DLL or memory area into another process 18->54 56 Sample uses process hollowing technique 18->56 23 explorer.exe 18->23 injected 27 netsh.exe 18->27         started        58 Uses netsh to modify the Windows network and firewall settings 21->58 60 Tries to detect virtualization through RDTSC time measurements 21->60 62 Queues an APC in another process (thread injection) 21->62 process10 dnsIp11 40 www.homedecorsuppliers.com 23->40 42 homedecorsuppliers.com 34.102.136.180, 49699, 80 GOOGLEUS United States 23->42 64 System process connects to network (likely due to code injection or exploit) 23->64 29 msiexec.exe 23->29         started        32 autochk.exe 23->32         started        66 Tries to detect virtualization through RDTSC time measurements 27->66 signatures12 process13 signatures14 70 Modifies the context of a thread in another process (thread injection) 29->70 72 Maps a DLL or memory area into another process 29->72 34 cmd.exe 1 29->34         started        process15 process16 36 conhost.exe 34->36         started       
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2022-09-28 16:41:00 UTC
File Type:
PE (Exe)
Extracted files:
60
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:je14 rat spyware stealer trojan
Behaviour
Gathers network information
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
Formbook payload
Formbook
Gathering data
Unpacked files
SH256 hash:
59dd56838d317c216e24f44474f81c9e04ba60c37f45ebe04cab5017e6bbc436
MD5 hash:
fad34667889c1db5ba87e4dadf63ab1d
SHA1 hash:
2f146489e945fc006171cd4e4730ef321efa6df7
SH256 hash:
02bdbd4777fc54081f239ce8936bb56d899ec58fe61437875f09227a55a74920
MD5 hash:
69eddb992ebe64f55d5da7a653c1e1d7
SHA1 hash:
91429f21a3a7e97b77421b615233be645d096987
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:RansomwareTest8
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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.

Malspam

Formbook

Executable exe 02bdbd4777fc54081f239ce8936bb56d899ec58fe61437875f09227a55a74920

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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