MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4412acc9ccee3402185df5b7305d511dbb0110c5e435a4f8f5d75275832fc24. 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


QuasarRAT


Vendor detections: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e4412acc9ccee3402185df5b7305d511dbb0110c5e435a4f8f5d75275832fc24
SHA3-384 hash: 429be580b1c92ee78c9a3b0b5befd6d151c315821086d7775fd9597ba00ef0cff4a8729546e9ba62822ce697c3a1ea32
SHA1 hash: 705239fca7aa56c5a2740d8c5e65b9370d787c8b
MD5 hash: 8ad9af9bd88b217e8ce99ac4e3599e70
humanhash: potato-montana-low-delta
File name:SecuriteInfo.com.Variant.Bulz.700673.18484.32709
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'019'392 bytes
First seen:2022-07-05 01:43:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:O2ie8BS1TcR5ALtSISShqyKfY52Jy0MegvI4koSG9T6CL7wNrfljwVRE2Z+E0ycR:O21GyLtXqO1koHT6S8NrtMbSfjFtB
TLSH T18125F1E9F762BF9EFC244BB8592446C453A2FC2154664CA1DE3CE30F8B9166DF44DA20
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 86a6a6aaaaaeaebe (3 x QuasarRAT, 2 x AgentTesla, 1 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Variant.Bulz.700673.18484.32709.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62c3976711764e36f814ef98/reports/92e75757-41ea-4290-827c-761ddc0960ab/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.
Malware family:
BluStealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/01290946-ea7a-4cd8-bb14-afc7e90a8501
Result
Threat name:
BluStealer, SpyEx
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1024499
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
DLL side loading technique detected
Encrypted powershell cmdline option found
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)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes or reads registry keys via WMI
Writes to foreign memory regions
Yara detected BluStealer
Yara detected Costura Assembly Loader
Yara detected SpyEx stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 656994 Sample: SecuriteInfo.com.Variant.Bu... Startdate: 05/07/2022 Architecture: WINDOWS Score: 100 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for dropped file 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 8 other signatures 2->61 7 SecuriteInfo.com.Variant.Bulz.700673.18484.exe 1 5 2->7         started        11 Monr.exe 1 2->11         started        13 Monr.exe 2 2->13         started        process3 file4 37 C:\Users\user\AppData\Roaming\...\Monr.exe, PE32 7->37 dropped 39 C:\Users\user\...\Monr.exe:Zone.Identifier, ASCII 7->39 dropped 41 SecuriteInfo.com.V...00673.18484.exe.log, ASCII 7->41 dropped 63 Encrypted powershell cmdline option found 7->63 65 Writes to foreign memory regions 7->65 67 Allocates memory in foreign processes 7->67 15 InstallUtil.exe 3 11 7->15         started        19 powershell.exe 17 7->19         started        69 Injects a PE file into a foreign processes 11->69 21 powershell.exe 11->21         started        23 InstallUtil.exe 11->23         started        25 InstallUtil.exe 11->25         started        27 powershell.exe 17 13->27         started        29 InstallUtil.exe 13->29         started        signatures5 process6 file7 43 C:\Users\Public\...\sqlite3.dll, PE32 15->43 dropped 45 C:\Users\Public\...\SQLite3_StdCall.dll, PE32 15->45 dropped 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->47 49 Tries to harvest and steal browser information (history, passwords, etc) 15->49 51 DLL side loading technique detected 15->51 53 2 other signatures 15->53 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 27->35         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e4412acc9ccee3402185df5b7305d511dbb0110c5e435a4f8f5d75275832fc24/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-05 01:44:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4rasvte4z3ruaimf35nxgbovchn3aeimlzbvut4plv2sowbs7qsa._file
Verdict:
malicious
Result
Malware family:
blustealer
Create hunting rule
Score:
  10/10
Tags:
family:blustealer persistence spyware stealer
Link:
https://tria.ge/reports/220705-b5tg3segc2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
BluStealer
Unpacked files
SH256 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
Link:
https://www.unpac.me/results/40c866ba-0dfe-4059-9843-9c3baa4148c4/
SH256 hash:
7cc4a1783d220ec584baa43e08a3f4ce4b76ba2b402df5b0b1de8ff0c9d8f691
MD5 hash:
1a71fe63779652d503f8621cbc21dc24
SHA1 hash:
a1224a3692760e439abe7a745dd9071167e90817
Link:
https://www.unpac.me/results/40c866ba-0dfe-4059-9843-9c3baa4148c4/
SH256 hash:
e38d4dace8ffa39e52ba89718251130a6be2d6da9725bc1fc66e18047cd0cee0
MD5 hash:
7b948022407db7285c4cadec9111d534
SHA1 hash:
1e22710c1c3d463c3c266b9e485432bf41be05c1
Link:
https://www.unpac.me/results/40c866ba-0dfe-4059-9843-9c3baa4148c4/
SH256 hash:
e4412acc9ccee3402185df5b7305d511dbb0110c5e435a4f8f5d75275832fc24
MD5 hash:
8ad9af9bd88b217e8ce99ac4e3599e70
SHA1 hash:
705239fca7aa56c5a2740d8c5e65b9370d787c8b
Link:
https://www.unpac.me/results/40c866ba-0dfe-4059-9843-9c3baa4148c4/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e4412acc9cce/report/overview.html
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:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:MAL_Lokibot_Stealer
Create hunting rule
Description:Detects Lokibot Stealer Variants
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.

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