MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31cf1d22c011317d107687c35de88ca6966ee5850978434b34ef2f74d4dec39b. 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


PrivateLoader


Vendor detections: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31cf1d22c011317d107687c35de88ca6966ee5850978434b34ef2f74d4dec39b
SHA3-384 hash: b43da9b086c5fc8b151f93c68a482a45ca1dfc1a022e109c733d871290cf1a59acff33468912117a20a435d11b211605
SHA1 hash: 2ddd2a8a9a81a7734d2d548937a5af066df33017
MD5 hash: ae2ee76a62c4208b7bfb858cbce6a07e
humanhash: helium-rugby-triple-spring
File name:file
Download: download sample
Signature PrivateLoader
Create hunting rule
File size:5'292'032 bytes
First seen:2023-04-15 09:29:35 UTC
Last seen:2023-04-16 06:25:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a56f115ee5ef2625bd949acaeec66b76 (53 x Stealc, 47 x PureHVNC, 31 x CoinMiner)
ssdeep 98304:qUgFeG6RLAfR/GNo7pROqzOYOReXv2aF/XxahNOEWl48BiJ:qUgF11AmpdSYYe/1F/XcrOXxBg
Threatray 2'000 similar samples on MalwareBazaar
TLSH T15B3633D68A1F14C5DCF69A7230129C5065B2BA039FFC2EA43B80E6214CDB28753776F6
TrID 38.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.6% (.ICL) Windows Icons Library (generic) (2059/9)
15.4% (.EXE) OS/2 Executable (generic) (2029/13)
15.2% (.EXE) Generic Win/DOS Executable (2002/3)
15.2% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon e88e8e0f0fa6f8f8 (1 x PrivateLoader)
Reporter andretavare5
Tags:exe PrivateLoader


Avatar
andretavare5
Sample downloaded from https://cdn.discordapp.com/attachments/1093445815051227229/1096727224624877578/kiskis.exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
261
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-04-15 09:30:45 UTC
Tags:
evasion privateloader risepro
Link:
https://app.any.run/tasks/0810d1d1-5c7f-41a3-8371-0918d50acbc8

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/382400/
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.5271.18339.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for analyzing tools
Searching for the window
Creating a window
Launching a process
Creating a file
Creating a file in the %temp% subdirectories
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed packed
Link:
https://www.filescan.io/uploads/643a6e9cf4a1f6ede14ede9b/reports/b382a9f8-1589-4d6f-af52-8173990bef4c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/31cf1d22c011317d107687c35de88ca6966ee5850978434b34ef2f74d4dec39b
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/955d69f0-97f2-419f-a11c-646f3005444e
Result
Threat name:
Clipboard Hijacker, PrivateLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1214303
Signature
Detected unpacking (changes PE section rights)
DLL side loading technique detected
Found potential ransomware demand text
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Clipboard Hijacker
Yara detected PrivateLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 847231 Sample: file.exe Startdate: 15/04/2023 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic 2->64 66 Multi AV Scanner detection for domain / URL 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 7 other signatures 2->70 9 file.exe 3 2->9         started        13 oobeldr.exe 2->13         started        process3 file4 46 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->46 dropped 72 Query firmware table information (likely to detect VMs) 9->72 74 Writes to foreign memory regions 9->74 76 Tries to evade debugger and weak emulator (self modifying code) 9->76 84 3 other signatures 9->84 15 jsc.exe 40 9->15         started        20 aspnet_wp.exe 9->20         started        22 ngentask.exe 9->22         started        26 6 other processes 9->26 78 Multi AV Scanner detection for dropped file 13->78 80 Detected unpacking (changes PE section rights) 13->80 82 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 13->82 86 3 other signatures 13->86 24 schtasks.exe 1 13->24         started        signatures5 process6 dnsIp7 50 ipinfo.io 34.117.59.81, 443, 49685 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 15->50 52 cdn.discordapp.com 162.159.130.233, 443, 49691, 49692 CLOUDFLARENETUS United States 15->52 54 2 other IPs or domains 15->54 38 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 15->38 dropped 40 C:\Users\user\AppData\Local\Temp\...\nss3.dll, PE32 15->40 dropped 42 C:\Users\user\AppData\Local\...\mozglue.dll, PE32 15->42 dropped 44 3 other malicious files 15->44 dropped 56 May check the online IP address of the machine 15->56 58 Tries to steal Mail credentials (via file / registry access) 15->58 60 Tries to harvest and steal browser information (history, passwords, etc) 15->60 62 DLL side loading technique detected 15->62 28 F_rP1v26YP3JRirN_Etv.exe 1 15->28         started        32 conhost.exe 24->32         started        file8 signatures9 process10 file11 48 C:\Users\user\AppData\Roaming\...\oobeldr.exe, MS-DOS 28->48 dropped 88 Multi AV Scanner detection for dropped file 28->88 90 Detected unpacking (changes PE section rights) 28->90 92 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 28->92 94 6 other signatures 28->94 34 schtasks.exe 1 28->34         started        signatures12 process13 process14 36 conhost.exe 34->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31cf1d22c011317d107687c35de88ca6966ee5850978434b34ef2f74d4dec39b/
Threat name:
Win64.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-04-15 09:30:09 UTC
File Type:
PE+ (Exe)
Extracted files:
5
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghhr2iwaceyx2edwq7bv32emu2lg5zmfbf4egszu54xxjvg6yonq._file
Verdict:
unknown
Similar samples:
08f081b383a3e66e4e1caad317f7fe1880f9f9a260716a4e6c3e827aac38d3b3
PrivateLoader
19a3afda425e8c5a7b12775c2b90a18eaadd211e78ee3469371195b4bacca4e6
PrivateLoader
1c65c0a262a9372726369cd3ba23e23086c490c2d816123ff4973a725ff8f5c0
PrivateLoader
32d3cdae010be4cb4bbff8ee5f714de9bd61f22d587490c1dec81d09c13dd137
PrivateLoader
716b0374e1cc500e077f59d1ef2ac24b956495dd2554f2953ba539e71daae747
PrivateLoader
8a6339b6e79033962ce34c39670d3c7cd45550fb23b64338fd3e816bb867b76f
PrivateLoader
98980b5d5796c559c08ea5b20a4a459048087758b1149767af47788ea3388fdd
PrivateLoader
af86dd9ed4d6e78298ab4e29b0495a43cbb5bee2f457a158fe1e35c851afd178
PrivateLoader
c633d7549fb4a77e02fa1e48f8fb3e3b41d8a998778d2e2c024949673dad0ba5
PrivateLoader
e41ae1b899245242df356489d4c883bd7b6477f82fe1df32371a4d2b471b370c
PrivateLoader
+ 1'990 additional samples on MalwareBazaar
Result
Malware family:
privateloader
Create hunting rule
Score:
  10/10
Tags:
family:privateloader evasion loader themida trojan
Link:
https://tria.ge/reports/230415-lgghqafb8w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Looks up external IP address via web service
Checks BIOS information in registry
Themida packer
Uses the VBS compiler for execution
Identifies VirtualBox via ACPI registry values (likely anti-VM)
PrivateLoader
Unpacked files
SH256 hash:
31cf1d22c011317d107687c35de88ca6966ee5850978434b34ef2f74d4dec39b
MD5 hash:
ae2ee76a62c4208b7bfb858cbce6a07e
SHA1 hash:
2ddd2a8a9a81a7734d2d548937a5af066df33017
Link:
https://www.unpac.me/results/8fa2de4d-6c24-4a78-be1e-c00518d1efb3/
Malware family:
PrivateLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/31cf1d22c011/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/31cf1d22c011317d107687c35de88ca6966ee5850978434b34ef2f74d4dec39b

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:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_EXE_Packed_Themida
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/382400/
  
URLhaus
https://urlhaus.abuse.ch/url/2609737/
  
URLhaus
https://urlhaus.abuse.ch/url/2609978/

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