MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81c326d1046b12e0d6484d94fd6c6d71e9fea0ffd3c17da8dc362b362a6de5f1. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81c326d1046b12e0d6484d94fd6c6d71e9fea0ffd3c17da8dc362b362a6de5f1
SHA3-384 hash: c2cd51ffae9e3c7996f2bf56f451810afedf28305825f6d71a0dc54ad01909e7a47541a573c08efa051cfcd80ee9b95d
SHA1 hash: 06d795be9f1ea313ac0f729109a666c2b64342af
MD5 hash: 5c08f81b7c0798d18adb487ca38e40b6
humanhash: cola-skylark-mobile-one
File name:Scan_Document_202308078900000000458.pif
Download: download sample
File size:35'840 bytes
First seen:2023-08-08 06:55:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:PKItuTHfIznJak3Sne0Eq7oT4xiHa23cjXfV8cbv/CnxLzBNsYqBAWXoKev44ZDG:P0wAe3abyxwl6WZQ4sDRWWG
Threatray 1'061 similar samples on MalwareBazaar
TLSH T1D1F2F919EB8C8573C6BAC2FDA8F233130274DAC53452EFCB599453A52D03B257941EAE
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter lowmal3
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
265
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scan_Document_202308078900000000458.pif
Verdict:
Malicious activity
Analysis date:
2023-08-08 07:01:33 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dfb057ce-c114-4d6c-93e5-5e6da6d0c573

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/441214/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Launching a service
Creating a file in the %AppData% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/81c326d1046b12e0d6484d94fd6c6d71e9fea0ffd3c17da8dc362b362a6de5f1
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:
Unknown
Link:
https://analyze.intezer.com/analyses/166aad56-e2a2-4c3e-b84a-9107f15c3915
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1287476
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Uses dynamic DNS services
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1287476 Sample: Scan_Document_2023080789000... Startdate: 08/08/2023 Architecture: WINDOWS Score: 96 30 prelogs.duckdns.org 2->30 34 Antivirus detection for URL or domain 2->34 36 Multi AV Scanner detection for dropped file 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 4 other signatures 2->40 8 Scan_Document_202308078900000000458.pif.exe 15 6 2->8         started        signatures3 process4 dnsIp5 32 files.catbox.moe 108.181.20.39, 443, 49707 ASN852CA Canada 8->32 28 C:\Users\user\AppData\Roaming\Hbqpy.exe, PE32+ 8->28 dropped 42 Writes to foreign memory regions 8->42 44 Modifies the context of a thread in another process (thread injection) 8->44 46 Injects a PE file into a foreign processes 8->46 13 cmd.exe 1 8->13         started        16 cmd.exe 1 8->16         started        18 MSBuild.exe 8->18         started        file6 signatures7 process8 signatures9 48 Uses ipconfig to lookup or modify the Windows network settings 13->48 20 conhost.exe 13->20         started        22 ipconfig.exe 1 13->22         started        24 conhost.exe 16->24         started        26 ipconfig.exe 1 16->26         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81c326d1046b12e0d6484d94fd6c6d71e9fea0ffd3c17da8dc362b362a6de5f1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-08-08 04:27:14 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhbsnuienmjobvsijwkp23dnohu75ih72pax3kg4gyvtmktn4xyq._file
Verdict:
malicious
Similar samples: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 1'051 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/230808-hqdawacf3w/
Behaviour
Gathers network information
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Unpacked files
SH256 hash:
81c326d1046b12e0d6484d94fd6c6d71e9fea0ffd3c17da8dc362b362a6de5f1
MD5 hash:
5c08f81b7c0798d18adb487ca38e40b6
SHA1 hash:
06d795be9f1ea313ac0f729109a666c2b64342af
Link:
https://www.unpac.me/results/b663bcd2-a12c-4907-8705-a115faf9f888/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/81c326d1046b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/81c326d1046b12e0d6484d94fd6c6d71e9fea0ffd3c17da8dc362b362a6de5f1

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_VBS_in_ISO
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects ISO files that contain VBS functions
Reference:Internal Research

File information

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

Malspam

Executable exe 81c326d1046b12e0d6484d94fd6c6d71e9fea0ffd3c17da8dc362b362a6de5f1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/441214/

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