MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 231ba68aed77233685a7431ba8b1df348d0dc71860f41c7d43a5f6f486a1c66d. 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



BluStealer


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 231ba68aed77233685a7431ba8b1df348d0dc71860f41c7d43a5f6f486a1c66d
SHA3-384 hash: c12b13d1e3d43d7ad9c1557b696ab42b8605e50251328a2604c6bbdae9fd2d6bb9c414a8fa77e8d4fa02497dbcbe80bb
SHA1 hash: 469ad95f34b5299dc6e768fdf50b6df4a202a2da
MD5 hash: 802ef372b8d95eba887816b1efd8eeaa
humanhash: nine-mexico-oxygen-item
File name:SecuriteInfo.com.MSIL.GenKryptik.GAVU.tr.14921.5169
Download: download sample
Signature BluStealer
File size:1'111'552 bytes
First seen:2022-10-07 03:27:06 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 12288:SsJ2u3ZXBI3nz5rp4dsAkopiP+To0BsJgnS4h57wlURHP1dBLllRsO4:usBQ+iopimDBsJgjxscv1dBL6O4
Threatray 1'740 similar samples on MalwareBazaar
TLSH T14E357ABA22D54517E82572B5D883D1F32AFB6D606021D1CB6AD72FAFBC402BF9113247
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 8673acc6466c3182 (5 x Formbook, 4 x SnakeKeylogger, 2 x Loki)
Reporter SecuriteInfoCom
Tags:BluStealer exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a file in the %temp% directory
Verdict:
No Threat
Threat level:
  2/10
Confidence:
67%
Tags:
packed
Result
Verdict:
UNKNOWN
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:
BluStealer, DarkCloud
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Drops PE files to the user root directory
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes or reads registry keys via WMI
Yara detected AntiVM3
Yara detected BluStealer
Yara detected DarkCloud
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 718020 Sample: SecuriteInfo.com.MSIL.GenKr... Startdate: 07/10/2022 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 Yara detected DarkCloud 2->54 56 5 other signatures 2->56 7 SecuriteInfo.com.MSIL.GenKryptik.GAVU.tr.14921.5169.exe 7 2->7         started        11 DUcDhX.exe 5 2->11         started        process3 file4 36 C:\Users\user\AppData\Roaming\DUcDhX.exe, PE32 7->36 dropped 38 C:\Users\user\...\DUcDhX.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmpB846.tmp, XML 7->40 dropped 42 SecuriteInfo.com.M....14921.5169.exe.log, ASCII 7->42 dropped 60 Drops PE files to the user root directory 7->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 7->62 64 Adds a directory exclusion to Windows Defender 7->64 13 SecuriteInfo.com.MSIL.GenKryptik.GAVU.tr.14921.5169.exe 11 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 21 7->19         started        21 schtasks.exe 1 7->21         started        66 Machine Learning detection for dropped file 11->66 68 Writes or reads registry keys via WMI 11->68 70 Injects a PE file into a foreign processes 11->70 23 DUcDhX.exe 11->23         started        26 schtasks.exe 11->26         started        signatures5 process6 dnsIp7 46 shepherd.myhostpl.com 31.192.106.162, 465, 49700, 49701 NCONNECT-ASRU Russian Federation 13->46 48 192.168.2.1 unknown unknown 13->48 44 C:\Users\Public\vbsqlite3.dll, PE32 13->44 dropped 28 conhost.exe 17->28         started        30 conhost.exe 19->30         started        32 conhost.exe 21->32         started        58 Tries to harvest and steal browser information (history, passwords, etc) 23->58 34 conhost.exe 26->34         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2022-10-07 03:28:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
SH256 hash:
00abbd405bd6c30dc2977776cea8123dc598167d55ba347ca58870215009c6f7
MD5 hash:
80b249150a2d9ec06c947ed46bbaa15b
SHA1 hash:
19c5523f9b960a879b5089bef9191e34a935f19a
SH256 hash:
161903f7d5633a0cdc5d416c229e1af16ad3f5a6d11dbe8d500aa9151a273f62
MD5 hash:
b460e7cd67e88a80f0b65f65d28b1c4c
SHA1 hash:
fef017687483cf2b5b9d5f8061b6f0645fdcf779
SH256 hash:
d246aedb186f75ce66cbc8851d85c52f30f183c0eb97db7659b97f8e84c24183
MD5 hash:
71bf003ccb10e6097b0332f2a1a42d72
SHA1 hash:
d48cbc93d9857679e75e97ae0f08a6ad03283694
SH256 hash:
1383999cb3682a0a0a54fad8a8e3f0fda2d4ce6422fa35286cece258aa1844a1
MD5 hash:
d891ee2f90e3392ee593067a038f3335
SHA1 hash:
347e96ac60f38938b0061ce5c21bec28c87f71f9
SH256 hash:
ba6ca9489cf97adb5b03953593bf4a00c83d6c5888f81f7fa3d5fbce5c824baf
MD5 hash:
164d98f5d2f56abc6a41aec1a9c76ef7
SHA1 hash:
2676180028e03e7d9a1f2bb0d14f50ab9e729b31
SH256 hash:
231ba68aed77233685a7431ba8b1df348d0dc71860f41c7d43a5f6f486a1c66d
MD5 hash:
802ef372b8d95eba887816b1efd8eeaa
SHA1 hash:
469ad95f34b5299dc6e768fdf50b6df4a202a2da
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments