MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac196722bcc6698fc8ff570dc9d78f6fabcd23c18f889e41f7bba334945cab7e. 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: 15


Intelligence 15 IOCs YARA 20 File information Comments

SHA256 hash: ac196722bcc6698fc8ff570dc9d78f6fabcd23c18f889e41f7bba334945cab7e
SHA3-384 hash: 1b49841c8f11de6cebf7d3fa882e88f01c9e4e36023bdb3670e9a4d16faa6edc4ab105fc1fa3d6e2c2d9f1d69b2056eb
SHA1 hash: 1081075314281f0eaf74161bd78506e77cf62249
MD5 hash: bdafdad843fce3ab9f761770015c75e8
humanhash: juliet-moon-helium-single
File name:1688720644c27be01571e4bfbd87ff415109b0f5b797a69894de90e222a2c451923c3d59d9772.dat-decoded
Download: download sample
Signature QuasarRAT
File size:1'085'952 bytes
First seen:2023-07-07 09:04:07 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 24576:h/Y5kMJDyGouUqg75HVDBvdrPyKlelwo3xPPqjt:x4kMJDyGouUqg75HVDBvdvlelwo3xq
Threatray 85 similar samples on MalwareBazaar
TLSH T1C8354A14E7F86595F06E7F32B4715C150A39BE07693DD74B2B99A1880A6B380CCB2F63
TrID 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.5% (.SCR) Windows screen saver (13097/50/3)
7.6% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:base64-decoded exe QuasarRAT


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence


File Origin
# of uploads :
1
# of downloads :
294
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
1688720644c27be01571e4bfbd87ff415109b0f5b797a69894de90e222a2c451923c3d59d9772.dat-decoded
Verdict:
Malicious activity
Analysis date:
2023-07-07 09:07:12 UTC
Tags:
evasion quasar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a window
Connecting to a non-recommended domain
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm certutil cmd cmstp control evasive evasive explorer fingerprint fingerprint keylogger lolbin net netsh packed packed quasarrat rat reg regasm regedit remote replace schtasks stealer update
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.
Threat name:
ByteCode-MSIL.Trojan.ClipBanker
Status:
Malicious
First seen:
2023-07-07 09:05:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:operacaodoc spyware trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
vhf.sytes.net:4783
15.235.109.170:4782
Unpacked files
SH256 hash:
3b4c6db8f90bb425606fa327e68c6169b66025850c14a0fcebacc2f81bf34bac
MD5 hash:
e3ad86499bee0bdf2cf25d8795d388c4
SHA1 hash:
8b503e428a7e79b1481b3b044d920c53574f03f7
SH256 hash:
ac196722bcc6698fc8ff570dc9d78f6fabcd23c18f889e41f7bba334945cab7e
MD5 hash:
bdafdad843fce3ab9f761770015c75e8
SHA1 hash:
1081075314281f0eaf74161bd78506e77cf62249
Malware family:
QuasarRAT
Verdict:
Malicious
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:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM
Author:ditekSHen
Description:Detects executables embedding command execution via IExecuteCommand COM object
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCMD
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Quasar_strings
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_DLAgent09
Author:ditekSHen
Description:Detects known downloader agent
Rule name:MALWARE_Win_DLAgent10
Author:ditekSHen
Description:Detects known downloader agent
Rule name:MALWARE_Win_QuasarRAT
Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
Description:Detects QuasarRAT malware
Rule name:MAL_QuasarRAT_May19_1
Author:Florian Roth (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:pe_imphash
Rule name:RDPWrap
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_NET_Msil_Suspicious_Use_StrReverse
Author:dr4k0nia, modified by Florian Roth
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:SUSP_OneNote
Author:spatronn
Description:Hard-Detect One

File information


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

c27be01571e4bfbd87ff415109b0f5b797a69894de90e222a2c451923c3d59d9

QuasarRAT

Executable exe ac196722bcc6698fc8ff570dc9d78f6fabcd23c18f889e41f7bba334945cab7e

(this sample)

  
Dropped by
SHA256 c27be01571e4bfbd87ff415109b0f5b797a69894de90e222a2c451923c3d59d9
  
Dropped by
MD5 7b22b6b42329043de517d340c753d50b
  
Delivery method
Distributed via web download

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