MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3592dda04b6002e7edf6dc1fd693ce34f0e592e305ed55b226d25a635033c33. 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: b3592dda04b6002e7edf6dc1fd693ce34f0e592e305ed55b226d25a635033c33
SHA3-384 hash: 717e96f04eaa9de0df50932a2ad758ed4af0846fc05f0c3b473c0af161fa29a2b08d7da607a56f70b6ffc24cb01b4e7e
SHA1 hash: f67ee80014f98136c12d2c72f155bd2371b9df84
MD5 hash: b925e8efec4bb9d7aeb0942999de6d93
humanhash: maine-fish-summer-william
File name:inquiry.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:781'312 bytes
First seen:2022-07-25 09:09:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:gIBNzB0WzNCVTcPx+wJwKkc2moe/Yy6yCOF6KwVSVzOyXHLaAjb2gb3IU3ScaFlH:5BNl0YsVT0+wJ2AoGd6cwwVzOyXHLRXY
TLSH T1F2F4014036F45B0ADD7E07FD9435058197B1BA962131E3AD8ED1A0CB2A71BC8CB85F6B
TrID 54.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
23.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/293957/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44341.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62de5e077dd0cb902ffb2f3a/reports/8e66266d-8c4f-4392-a521-bb36ac7b9fad/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/5ce5ffa7-d7a9-4359-b208-d947a6412282
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1040301
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 submitted file
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
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b3592dda04b6002e7edf6dc1fd693ce34f0e592e305ed55b226d25a635033c33/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-07-18 21:23:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wnms3wqewyac47w7nxa722j44nhq4wjogbpnkwzcnus2mnidhqzq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ja38 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220725-k43tssbgdk/
Behaviour
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:
96c8a63260d36c625e53861c6203016a0024ac666d86651a0dfd7af0ca025cd3
MD5 hash:
6d2859c284f6ce938dd24cb983c51649
SHA1 hash:
d19f655a5a83d195a4cafdd1f22a0f8888e8b4fa
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/78f32b36-db67-4774-9557-9b461689fcf1/
Parent samples :
3b2aed15298aa9110cc90c069742839fdc9ddb24f91a8269284a504a5ba1fb9c
0e462e4aa79f53b652f21d860a0bc1675de7c5c806f13e07e8c23cc686173657
0f555eb5a3ae28e5353dce432cf5151de175fb99896151e0717f325a7421908b
86454b77cdc4f19a5252bad1903ef369ab233047801380881e9f6f31640d7804
d7f432216cfcdef1a5a3fc9406c45002f3b87c32d767b14327931cb1c53ce215
b3592dda04b6002e7edf6dc1fd693ce34f0e592e305ed55b226d25a635033c33
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/78f32b36-db67-4774-9557-9b461689fcf1/
SH256 hash:
c643fd647827d4308198ff850281557054a30361b83a7fca0c4049bc369eb3a1
MD5 hash:
ea4939cfef80601f2c71f09a341792e7
SHA1 hash:
de6175f006ed57f92496783174cd7355d9c99630
Link:
https://www.unpac.me/results/78f32b36-db67-4774-9557-9b461689fcf1/
SH256 hash:
769f178ab00371f23e41e9dd1a49753d14272ede7e81bdb047256b2e91f1c619
MD5 hash:
c2e3babd2ce2d7e66c61e9bcc4de849f
SHA1 hash:
879f26135c98d92a707153b38dc31de70531ddf6
Link:
https://www.unpac.me/results/78f32b36-db67-4774-9557-9b461689fcf1/
SH256 hash:
781c78f48dc35cb66432bd1826965cc59fb100d4d12c04432a2c92361f8364c3
MD5 hash:
4bfe50310c7b0dd87da13cc6109f0190
SHA1 hash:
2e3cfcf114927e004ea7788b29e5dc45c5f9e246
Link:
https://www.unpac.me/results/78f32b36-db67-4774-9557-9b461689fcf1/
SH256 hash:
b3592dda04b6002e7edf6dc1fd693ce34f0e592e305ed55b226d25a635033c33
MD5 hash:
b925e8efec4bb9d7aeb0942999de6d93
SHA1 hash:
f67ee80014f98136c12d2c72f155bd2371b9df84
Link:
https://www.unpac.me/results/78f32b36-db67-4774-9557-9b461689fcf1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/b3592dda04b6002e7edf6dc1fd693ce34f0e592e305ed55b226d25a635033c33

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 b3592dda04b6002e7edf6dc1fd693ce34f0e592e305ed55b226d25a635033c33

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/293957/

Comments