MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ce459e96e27a319ea15c07994ae72c5df83c599bddbee3286558723bc55b20e. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ce459e96e27a319ea15c07994ae72c5df83c599bddbee3286558723bc55b20e
SHA3-384 hash: a446bf490ac2e8f92a0e987564a467da240a1f3cd90712c6cb760c83d430d04dddf9fd07feed64e1922a009ebe7a5f5c
SHA1 hash: 7dcc2589a102cc97fe69c8ff287460c62ffa669b
MD5 hash: 9897b687dbf706bd420bad29dacdd77b
humanhash: venus-snake-robert-carpet
File name:RFQ - OQ[22002356]-52872.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:601'088 bytes
First seen:2022-06-29 16:18:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'650 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:aZfzVi7QcbadXqo3qfauu2iNKaHTNcs2iYVvde8dPh49cjCLpv+d9s/:4uu1gUcs2lde8lhydWd9
TLSH T135D48D9D3A2C71DEC85BC4729E985CB4AA6234BF6B1B5113D023199DDE0CB87DF604B2
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/284328/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62bc7b3fa17f249ae3e65566/reports/fae28a79-5cd3-4484-b818-5aa7edf412b3/overview
Result
Verdict:
UNKNOWN
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/717af93f-eba9-4e12-a518-704e56fb4d8f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1022014
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
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
PE file contains section with special chars
PE file has nameless sections
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 654514 Sample: RFQ - OQ[22002356]-52872.exe Startdate: 29/06/2022 Architecture: WINDOWS Score: 100 34 www.zatwsbq.com 2->34 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 9 other signatures 2->50 11 RFQ - OQ[22002356]-52872.exe 3 2->11         started        15 explorer.exe 10 2->15         started        signatures3 process4 file5 32 C:\Users\...\RFQ - OQ[22002356]-52872.exe.log, ASCII 11->32 dropped 60 Injects a PE file into a foreign processes 11->60 17 RFQ - OQ[22002356]-52872.exe 11->17         started        20 RFQ - OQ[22002356]-52872.exe 11->20         started        signatures6 process7 signatures8 36 Modifies the context of a thread in another process (thread injection) 17->36 38 Maps a DLL or memory area into another process 17->38 40 Sample uses process hollowing technique 17->40 42 Queues an APC in another process (thread injection) 17->42 22 explorer.exe 17->22 injected process9 signatures10 52 Uses netsh to modify the Windows network and firewall settings 22->52 25 netsh.exe 22->25         started        process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 25->54 56 Maps a DLL or memory area into another process 25->56 58 Tries to detect virtualization through RDTSC time measurements 25->58 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ce459e96e27a319ea15c07994ae72c5df83c599bddbee3286558723bc55b20e/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-29 14:27:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jtsft2loe6rrt2qvyb4zjltsyxpyhrmzxxn64mugkwdshpcvwiha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ba17 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220629-trxxfsbaap/
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
8907cb2eebb60f15cdca193062c945bb6bf44ef5c3f09c9d3196e8ff94113a41
MD5 hash:
e77d8f299e3655a1d164de139506b83a
SHA1 hash:
6d568dcb6244c51d94a60a203fe6f0484862a95a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/dee7cc80-2770-4255-94bd-bb747b20e714/
Parent samples :
e10cbd14bad3693345f6fa7d09e1336c1b2033900e1b1b55ccf0a76a98b1c79a
4ce459e96e27a319ea15c07994ae72c5df83c599bddbee3286558723bc55b20e
b575be29720f27a08220d8b155e68bb70cd1f0d3a9a3bfb261873f3fa639d6b6
6452e7934b058662751322258e57f91a8790ab089a93b17062646080e31ea24a
756a40a8fc86bb54ff4ead8e9d9c173b3051f4d77a60530b471a7be752f8bad6
1f364b54ed1d03b1f87fe2bf0d7a376029298c3250611dab92dcba2d210afe1d
205f40228597bee4de6da0f386c14fde658b7dc6956fb2839a98504b48bd9377
a88e5d5fb17e50a25cf6dfe2512fc45cc3f712dccccee2d08ee7d1dac7086e5e
SH256 hash:
2910d1a03b4c35ba3418bd2a52923af04ea8b54d59296c61f250f253ce9fb7d5
MD5 hash:
e37faafec123892fbd27b591969a1b63
SHA1 hash:
dcff7300831f567ead1ee94d2af2d0039ab1b2b1
Link:
https://www.unpac.me/results/dee7cc80-2770-4255-94bd-bb747b20e714/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/dee7cc80-2770-4255-94bd-bb747b20e714/
SH256 hash:
4ce459e96e27a319ea15c07994ae72c5df83c599bddbee3286558723bc55b20e
MD5 hash:
9897b687dbf706bd420bad29dacdd77b
SHA1 hash:
7dcc2589a102cc97fe69c8ff287460c62ffa669b
Link:
https://www.unpac.me/results/dee7cc80-2770-4255-94bd-bb747b20e714/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4ce459e96e27/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/4ce459e96e27a319ea15c07994ae72c5df83c599bddbee3286558723bc55b20e

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 4ce459e96e27a319ea15c07994ae72c5df83c599bddbee3286558723bc55b20e

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/284328/

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