MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4c0cb5e9b6e52ff60edcb98ec30081a83a0e1949728158e52a5c1bd63ece478. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d4c0cb5e9b6e52ff60edcb98ec30081a83a0e1949728158e52a5c1bd63ece478
SHA3-384 hash: 4827da6a67cdb54087b96a2ebea8dfee43290088c5e00ff01d9923912f4c25559d3b844997daf3f0455165d20c67bcdd
SHA1 hash: 023937ab95bc9b3e1bec825af94110e1c06b8864
MD5 hash: 704bdf8846dc3b28044ca91d67caf747
humanhash: tango-bacon-king-neptune
File name:SecuriteInfo.com.Variant.Marsilia.5818.25860.14211
Download: download sample
Signature Formbook
Create hunting rule
File size:7'168 bytes
First seen:2022-12-16 06:27:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 96:ncpWkBUZ5ECxaEtKJ8OdrOzEyTsk1xRdbFnU:nKmECIgKHwzrT1130
TLSH T13EE1C70293999737DEA78B7A6CF323821279F7969963CB9F1CC4D24B7C017C85A51B20
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 SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Marsilia.5818.25860.14211
Verdict:
Malicious activity
Analysis date:
2022-12-16 06:29:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/21dbe47a-f10c-48ea-bf72-fdb0d7b6716a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/346880/
Detection(s):
SecuriteInfo.com.Variant.Marsilia.5818.25860.14211.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed stealer
Link:
https://www.filescan.io/uploads/639c0ff401ed163ebd10a1b8/reports/9c7d836e-417e-4041-a745-e13aa1507ce7/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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a66b5c15-de5f-46f1-8cc2-67db44e9f3a8
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1135499
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Creates multiple autostart registry keys
Encrypted powershell cmdline option found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Sample uses process hollowing technique
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 768229 Sample: SecuriteInfo.com.Variant.Ma... Startdate: 16/12/2022 Architecture: WINDOWS Score: 96 48 questplumbingandheating.co.uk 2->48 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 3 other signatures 2->60 8 SecuriteInfo.com.Variant.Marsilia.5818.25860.14211.exe 16 7 2->8         started        13 Narrfa.exe 3 2->13         started        15 Narrfa.exe 14 4 2->15         started        signatures3 process4 dnsIp5 50 questplumbingandheating.co.uk 92.205.109.152, 443, 49696, 49697 GD-EMEA-DC-SXB1DE Germany 8->50 42 C:\Users\user\AppData\Roaming\...42arrfa.exe, PE32 8->42 dropped 44 C:\Users\user\...44arrfa.exe:Zone.Identifier, ASCII 8->44 dropped 46 SecuriteInfo.com.V...25860.14211.exe.log, ASCII 8->46 dropped 68 Encrypted powershell cmdline option found 8->68 70 Creates multiple autostart registry keys 8->70 17 powershell.exe 16 8->17         started        19 SecuriteInfo.com.Variant.Marsilia.5818.25860.14211.exe 8->19         started        21 SecuriteInfo.com.Variant.Marsilia.5818.25860.14211.exe 8->21         started        52 192.168.2.1 unknown unknown 13->52 23 help.exe 13->23         started        26 Narrfa.exe 13->26         started        28 powershell.exe 13->28         started        72 Machine Learning detection for dropped file 15->72 30 Narrfa.exe 15->30         started        32 powershell.exe 13 15->32         started        file6 signatures7 process8 signatures9 34 conhost.exe 17->34         started        62 Creates multiple autostart registry keys 23->62 36 explorer.exe 26->36 injected 38 conhost.exe 28->38         started        64 Maps a DLL or memory area into another process 30->64 66 Sample uses process hollowing technique 30->66 40 conhost.exe 32->40         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d4c0cb5e9b6e52ff60edcb98ec30081a83a0e1949728158e52a5c1bd63ece478/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-12-16 06:28:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
13 of 39 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2tamwxu3nzjp6yhnzomoymaidkb2bymus4ubldssuxa32y7m4r4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/221216-g8bpbsec53/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/eb625127-8221-417c-a567-c1e369cd1af3
Unpacked files
SH256 hash:
d4c0cb5e9b6e52ff60edcb98ec30081a83a0e1949728158e52a5c1bd63ece478
MD5 hash:
704bdf8846dc3b28044ca91d67caf747
SHA1 hash:
023937ab95bc9b3e1bec825af94110e1c06b8864
Link:
https://www.unpac.me/results/3eb77863-5809-4d0e-a3ea-d9e71269ac8f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/d4c0cb5e9b6e52ff60edcb98ec30081a83a0e1949728158e52a5c1bd63ece478

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Cape
Cape
https://www.capesandbox.com/analysis/346880/

Comments