MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7997a727f9b2d2bba8f6a846dda7f4640c5b3d1d31db85deb0ef1c4ff05574a4. 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 1

SHA256 hash: 7997a727f9b2d2bba8f6a846dda7f4640c5b3d1d31db85deb0ef1c4ff05574a4
SHA3-384 hash: 8fa283a5dc84fe2ca52a6862af1da91a3755d8f8ba9ed80c25251a4245661af33b6e70326a4919ceca2b14025ef25ffa
SHA1 hash: e6df81ffca4f4fb617e92a4897a4556dacd94cc1
MD5 hash: dd9ad309b65f30ea83791cec013a90e0
humanhash: four-harry-single-lima
File name:dd9ad309b65f30ea83791cec013a90e0
Download: download sample
Signature Formbook
File size:504'832 bytes
First seen:2023-07-12 01:26:49 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 12288:0jVFnocK1r1Jc1dSrCLhCO+ukXCFZibClPpE+BlntGcO3x:Wocyc7fhCO+rXCFZEmnltGt
Threatray 3'238 similar samples on MalwareBazaar
TLSH T155B41205738C67ECCF1964B4A9D16A2BD3F13EACFFFD81286D919244DC638180E88A5D
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
269
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dd9ad309b65f30ea83791cec013a90e0
Verdict:
Malicious activity
Analysis date:
2023-07-12 01:28:47 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Enabling the 'hidden' option for analyzed file
Launching a process
Creating a file
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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:
92 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.DarkCloud
Status:
Malicious
First seen:
2023-07-05 04:40:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
a02d47e3efda6d48024238e02108ca8d82be137e2e3764a88f28df4d8563144c
MD5 hash:
3e8f3bb6b57282903618112f5ded032e
SHA1 hash:
18c0d7217990f5eb467d360705cdfbc0dec2e717
Detections:
XLoader win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
7a63dfe229a0f2a4f83db9b437d90c6e96397b15a7f1b8ce39b2e3d50b2ed4e9
MD5 hash:
8ffce488a19e4aac4d0edcab45faf54c
SHA1 hash:
df217e688a3aaac2608f67a8ffa6f41eea412315
SH256 hash:
0ffc98a03470a2b28c6959caf555f1665fa744acfa19c3b13b64006a004d3547
MD5 hash:
c618c21fba56a6400324b86b7eaebe64
SHA1 hash:
6781e2758beec3d887292f54ebc1a7b46d59821a
SH256 hash:
65e47578274d16be1be0f50767bad0af16930df43556dd23d7ad5e4adc2bcbe3
MD5 hash:
848b847cd19805d19235b5acb8ef2bef
SHA1 hash:
38100751a4ae45a143232cbacf9bb441b31fb211
SH256 hash:
7997a727f9b2d2bba8f6a846dda7f4640c5b3d1d31db85deb0ef1c4ff05574a4
MD5 hash:
dd9ad309b65f30ea83791cec013a90e0
SHA1 hash:
e6df81ffca4f4fb617e92a4897a4556dacd94cc1
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:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Web download

Formbook

Executable exe 7997a727f9b2d2bba8f6a846dda7f4640c5b3d1d31db85deb0ef1c4ff05574a4

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-07-12 01:26:50 UTC

url : hxxp://103.131.56.71/W0000_/csrssmd.exe