MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd3fd73da803b35eac5f5a90097d3cbdbf2e56ce465cc7e90fe51f2061e6c21d. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fd3fd73da803b35eac5f5a90097d3cbdbf2e56ce465cc7e90fe51f2061e6c21d
SHA3-384 hash: a5d09dc8e3aadd9e3f1f63b8ca4a6cb0cd5cd35d41f4132ca8b8d01b2f9932cd87b19d1f73d18303d92c899ef810a6db
SHA1 hash: 2e98e3b9833d6946076c8eaf901d28778ab2e16c
MD5 hash: e6ad0616eb021ed88a14b19ececb6616
humanhash: jupiter-social-eleven-mississippi
File name:PURCHASER ORDER-6523728738.EXE
Download: download sample
Signature Formbook
Create hunting rule
File size:1'065'984 bytes
First seen:2022-09-30 07:53:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:iLDyd12PgT7wFK6fpAOQPGszJ9IE0cU9P84uSDuRFz7po:EWbWgHP6fDDszwE0I4vqvpo
TLSH T1ED359C1127EA8E03F2796775C5E0C47097B96D02E02AC28B2FC61CDFB255BD2DA91367
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 74d298b898b0f8b4 (11 x AgentTesla, 11 x SnakeKeylogger, 9 x Formbook)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/315075/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.6660.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.389.UNOFFICIAL
Create hunting rule

Win.Dropper.Formbook-9970817-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm packed
Link:
https://www.filescan.io/uploads/6336a09c49c58ce767c434be/reports/2b495862-febc-460d-9fb9-74ed6201fde6/overview
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/17c2f365-94a2-44ca-80df-7151ac726bd0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1080713
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 713270 Sample: PURCHASER ORDER-6523728738.... Startdate: 30/09/2022 Architecture: WINDOWS Score: 100 34 Multi AV Scanner detection for domain / URL 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 11 other signatures 2->40 10 PURCHASER ORDER-6523728738.EXE.exe 3 2->10         started        process3 file4 30 C:\...\PURCHASER ORDER-6523728738.EXE.exe.log, ASCII 10->30 dropped 50 Injects a PE file into a foreign processes 10->50 14 PURCHASER ORDER-6523728738.EXE.exe 10->14         started        17 PURCHASER ORDER-6523728738.EXE.exe 10->17         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.newsweetrate.online 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 23 raserver.exe 19->23         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 23->44 46 Maps a DLL or memory area into another process 23->46 48 Tries to detect virtualization through RDTSC time measurements 23->48 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fd3fd73da803b35eac5f5a90097d3cbdbf2e56ce465cc7e90fe51f2061e6c21d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-21 11:40:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7u75opniaozv5lc7lkias7j4xw7s4vwoizomp2ip4upsaypgyioq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g2si rat spyware stealer trojan
Link:
https://tria.ge/reports/220930-jrjpqachg4/
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/75eef4d6-2286-4b78-88fa-300ced5eee4b
Unpacked files
SH256 hash:
9b710d1d876ce939e35584bf6bece52f86bec1563e45c8b8cad1e3a00a78e401
MD5 hash:
2e5a97e0f3e7f8b7d279d7eb4dce48dd
SHA1 hash:
3b31bef4c6c5690c68f9885b4a0b40c4ade0d65c
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/bf3b4adc-50df-4049-8533-4790654f0f9a/
Parent samples :
9b30d60ee8253334584b819faeb61933b028a0767b5cd3c99f2a4d3c2d8f5aae
3e48726d82d9e1f43739b669d15d4f08a829ac4b31b12a8e0e2f003dcb65ae11
622a57e6cff7c8e5122bf10201ffe9977751997b9b08c3ad59690303dc9d34b0
fd3fd73da803b35eac5f5a90097d3cbdbf2e56ce465cc7e90fe51f2061e6c21d
SH256 hash:
4e4f97118dbd4f752fddc8d7240e175dead8d20b8df8e903dd0f7a1da1afe6f2
MD5 hash:
657e4dff1b6e75134cc055ced93722eb
SHA1 hash:
ea6661246227e793f179b0e07af6424740f29bcf
Link:
https://www.unpac.me/results/bf3b4adc-50df-4049-8533-4790654f0f9a/
SH256 hash:
49bdf1ed18d453e600a6c7301f1b061f10287420791b8b9feb0369e9dda02f6e
MD5 hash:
3ffbc0acbbb9980bff34a8d6ab1218a6
SHA1 hash:
dbe6a122a17fb0dd8a2953c1e41d12f04520bfd5
Link:
https://www.unpac.me/results/bf3b4adc-50df-4049-8533-4790654f0f9a/
SH256 hash:
70dfa4c873605ab0fcdcb62be2a970da110535280d8dc88261edbe1ed2865307
MD5 hash:
d5b0f8aff064b3e828421b48efccd312
SHA1 hash:
724f4bc7ab4e08c45562748b739c8f7496a5ad8f
Link:
https://www.unpac.me/results/bf3b4adc-50df-4049-8533-4790654f0f9a/
SH256 hash:
4dc75efefd301baf3096a52acf501aba97061751d94c987e5c4b5011577f0c2f
MD5 hash:
146cbb56d43b9433cbc850dd27456a0d
SHA1 hash:
3bff974c94caa41a9fefe2ce6f73033a9e21e591
Link:
https://www.unpac.me/results/bf3b4adc-50df-4049-8533-4790654f0f9a/
SH256 hash:
fd3fd73da803b35eac5f5a90097d3cbdbf2e56ce465cc7e90fe51f2061e6c21d
MD5 hash:
e6ad0616eb021ed88a14b19ececb6616
SHA1 hash:
2e98e3b9833d6946076c8eaf901d28778ab2e16c
Link:
https://www.unpac.me/results/bf3b4adc-50df-4049-8533-4790654f0f9a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fd3fd73da803/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/fd3fd73da803b35eac5f5a90097d3cbdbf2e56ce465cc7e90fe51f2061e6c21d

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest4
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
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.

Malspam

Formbook

iso abfaf89db6e8465c2b49aa06b7d3855680b914e000e6653e90c44ef900e493ad

Formbook

Executable exe fd3fd73da803b35eac5f5a90097d3cbdbf2e56ce465cc7e90fe51f2061e6c21d

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/315075/
  
Dropped by
SHA256 abfaf89db6e8465c2b49aa06b7d3855680b914e000e6653e90c44ef900e493ad
  
Dropped by
MD5 09dfe4c9de4140d84a59802f81d2970f

Comments