MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f85ff00fe071f9d58be56b27ecfb05bb1cac2bf311eda467f20d8b0ad2e3dca. 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



Threat unknown


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: 3f85ff00fe071f9d58be56b27ecfb05bb1cac2bf311eda467f20d8b0ad2e3dca
SHA3-384 hash: 11ec38ab5baafe9aa628118f4cac82f905fae6dc3bbbad8a4c034c42943aa7c0cf6fc861be47982e88b16930a13ee2c4
SHA1 hash: ba835294d26528a643576004799dd965934221a0
MD5 hash: 8e595f51834140d91b381f9c89a321dd
humanhash: emma-hamper-quebec-fifteen
File name:SecuriteInfo.com.Variant.Jaik.158512.8287.5883
Download: download sample
File size:143'872 bytes
First seen:2023-07-31 02:28:28 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 06c8235e435697fe218c2f6ef306550c
ssdeep 3072:pFvpge1Y6V+nzjb+YDTzNQ8FbPf6b3lOfU/KCgZDzv6DWo:pE6V+bZTzK2byxOM/y+x
Threatray 1'717 similar samples on MalwareBazaar
TLSH T1EFE33B40A7C8CDB6F1BF25B804A099711E397874E71F49EF63C54D6E4A28AC09E7099F
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:dll

Intelligence


File Origin
# of uploads :
1
# of downloads :
303
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware masquerade
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:
NSISDropper
Detection:
malicious
Classification:
troj
Score:
56 / 100
Signature
Multi AV Scanner detection for submitted file
Yara detected NSISDropper
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1282853 Sample: SecuriteInfo.com.Variant.Ja... Startdate: 31/07/2023 Architecture: WINDOWS Score: 56 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected NSISDropper 2->28 8 loaddll32.exe 1 2->8         started        process3 process4 10 cmd.exe 1 8->10         started        12 rundll32.exe 8->12         started        14 rundll32.exe 8->14         started        16 conhost.exe 8->16         started        process5 18 rundll32.exe 10->18         started        20 WerFault.exe 4 9 12->20         started        22 WerFault.exe 2 9 14->22         started        process6 24 WerFault.exe 23 10 18->24         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-07-31 02:29:06 UTC
File Type:
PE (Dll)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
3f85ff00fe071f9d58be56b27ecfb05bb1cac2bf311eda467f20d8b0ad2e3dca
MD5 hash:
8e595f51834140d91b381f9c89a321dd
SHA1 hash:
ba835294d26528a643576004799dd965934221a0
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com

File information


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

Comments