MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ac183df7667d8c9e96b2da9d0ffb3db9351d51d9186684bd94d22fd26e1e19e. 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
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SHA256 hash: 1ac183df7667d8c9e96b2da9d0ffb3db9351d51d9186684bd94d22fd26e1e19e
SHA3-384 hash: eb9093382dcc99ef977c2a9c0cb2b3b4d64abecfa8d403b500b54c6a0a8a028463ce02cded4565f2708155bf45d42300
SHA1 hash: 5eb839ffe8bc32bedb240c4d383695595cd1302c
MD5 hash: c5f5e3376db264cae185fec48470e1e2
humanhash: may-failed-emma-whiskey
File name:SecuriteInfo.com.Variant.Bulz.700673.26284.2072
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'018'880 bytes
First seen:2022-07-05 01:43:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:wUj1yC/KLZhqF8fkCVOffMyZqK+hn7ak:J1yUElfxVmPO
Threatray 1'792 similar samples on MalwareBazaar
TLSH T1F325E0E9F763AF9EFC304BB9492445C853A2FC2154664CA1DE7CE30F8EA165DF489920
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 :
266
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Variant.Bulz.700673.26284.2072.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62c397687808d6d68ec64058/reports/8c0344e3-c60b-4247-942a-52b35cee7470/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/c456d406-b4f9-4109-b929-0968e41eb641
Result
Threat name:
BluStealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1024498
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 656993 Sample: SecuriteInfo.com.Variant.Bu... Startdate: 05/07/2022 Architecture: WINDOWS Score: 100 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for dropped file 2->66 68 Antivirus / Scanner detection for submitted sample 2->68 70 9 other signatures 2->70 7 SecuriteInfo.com.Variant.Bulz.700673.26284.exe 1 5 2->7         started        12 Monr.exe 1 2->12         started        14 Monr.exe 2 2->14         started        process3 dnsIp4 52 192.168.2.1 unknown unknown 7->52 46 C:\Users\user\AppData\Roaming\...\Monr.exe, PE32 7->46 dropped 48 C:\Users\user\...\Monr.exe:Zone.Identifier, ASCII 7->48 dropped 50 SecuriteInfo.com.V...00673.26284.exe.log, ASCII 7->50 dropped 72 Encrypted powershell cmdline option found 7->72 74 Writes to foreign memory regions 7->74 76 Allocates memory in foreign processes 7->76 16 InstallUtil.exe 3 11 7->16         started        20 InstallUtil.exe 7->20         started        22 powershell.exe 18 7->22         started        34 2 other processes 7->34 78 Injects a PE file into a foreign processes 12->78 24 powershell.exe 12->24         started        26 InstallUtil.exe 12->26         started        28 InstallUtil.exe 12->28         started        30 powershell.exe 14 14->30         started        32 InstallUtil.exe 14->32         started        file5 signatures6 process7 file8 42 C:\Users\Public\...\sqlite3.dll, PE32 16->42 dropped 44 C:\Users\Public\...\SQLite3_StdCall.dll, PE32 16->44 dropped 54 Tries to harvest and steal browser information (history, passwords, etc) 16->54 56 DLL side loading technique detected 16->56 58 Tries to steal Crypto Currency Wallets 16->58 60 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->60 62 Writes or reads registry keys via WMI 20->62 36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 30->40         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ac183df7667d8c9e96b2da9d0ffb3db9351d51d9186684bd94d22fd26e1e19e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-04 22:46:54 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=dlayhx3wm7mmt2llfwu5b75t3ojvdvi5sgdgqs6zjurp2jxb4gpa._file
Verdict:
malicious
Similar samples:
0365280eb3842ba84e01d192e38be3e5b6357a6c8e178955928e7639f2b8f442
QuasarRAT
2c443824d8f4fb4d4f278960fa0976cac068428718c134e8018c0bc0bb774d33
QuasarRAT
63b747c34c71ae08653978a800692893d7ae5be122ecbaf482f7b8cff6cf3c8c
QuasarRAT
a0baf98ce28c1245d78159191bd0fafaf80c8c6b76b5e80b43bea8874af910a9
QuasarRAT
a9abf5bb4d461231fec3b318a772380e393aefd63c4dd049b701bd1e4b4f437c
QuasarRAT
beae6f9716a4543dfa1a0ed79ddc4ae62215a9637082c61419a15b4a066324b8
QuasarRAT
c0be7072ca0ea43fce4807bf70d62db6d8d8724ff836c9e706722336ecbfd1bc
QuasarRAT
cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db
QuasarRAT
cd4af46185777fd2e5fc2bed90454d28f54273e797afc77ae8230df60b26f3bb
QuasarRAT
f1ff4fbaa6991440428ea8b228268b6ba82595aa8cdbcf2e7bb8a69835753b31
QuasarRAT
+ 1'782 additional samples on MalwareBazaar
Result
Malware family:
blustealer
Create hunting rule
Score:
  10/10
Tags:
family:blustealer persistence spyware stealer
Link:
https://tria.ge/reports/220705-b5tg3schaq/
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/473c3b88-8944-4a98-8b71-68e5fca62c92/
SH256 hash:
24fda653fd05d12e2bc8291876e2e342f5e3ee2c9641c2eae24d37b7e837d754
MD5 hash:
d8fbfb0e9fdfc33ca34cbf98f8695651
SHA1 hash:
77010385686161299d3d745e1c323b4cfdbeec88
Link:
https://www.unpac.me/results/473c3b88-8944-4a98-8b71-68e5fca62c92/
SH256 hash:
fc537ed5e7912f4edc5d3b3b41957a27194acbbb6293f37bbada5d8a050cf0f3
MD5 hash:
5e69504c88b5e6a4913ed5900c8e4bfd
SHA1 hash:
2a495b003352407329d4f1fb2630ff96e9811e5a
Link:
https://www.unpac.me/results/473c3b88-8944-4a98-8b71-68e5fca62c92/
SH256 hash:
1ac183df7667d8c9e96b2da9d0ffb3db9351d51d9186684bd94d22fd26e1e19e
MD5 hash:
c5f5e3376db264cae185fec48470e1e2
SHA1 hash:
5eb839ffe8bc32bedb240c4d383695595cd1302c
Link:
https://www.unpac.me/results/473c3b88-8944-4a98-8b71-68e5fca62c92/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1ac183df7667/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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