MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8c9255982a5932dbaf224d475d2161d814de36784b797d576e41c263587e20a. 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 11 File information Comments

SHA256 hash: d8c9255982a5932dbaf224d475d2161d814de36784b797d576e41c263587e20a
SHA3-384 hash: b55a68e7876a838252f9e7c8afd2b0fc0a91abc118a6ac411ef40ddc97a027a4241f8e87ff7f47c87026d70aa5b45307
SHA1 hash: 86d06df7951abf1ec1919ed2ec0fa844588a9ef0
MD5 hash: 81d087f91c68842c740681f29d0ce55a
humanhash: white-berlin-echo-west
File name:d8c9255982a5932dbaf224d475d2161d814de36784b797d576e41c263587e20a
Download: download sample
Signature QuasarRAT
File size:4'640'256 bytes
First seen:2023-07-04 13:15:50 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 98304:8d/SzqloJFCuzwRr8sGf5m/HKjrl2JpINpvfTS:muqlgCuzwOsGfA/Kjx2JpINh
Threatray 192 similar samples on MalwareBazaar
TLSH T1D626F19DDAC1FE8FD83AC339C5B264645334A0493B17D783824E15A8F62BB989DD3391
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon a4a89c347c8ca8a8 (3 x NanoCore, 2 x QuasarRAT)
Reporter adrian__luca
Tags:exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
305
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
d8c9255982a5932dbaf224d475d2161d814de36784b797d576e41c263587e20a
Verdict:
Malicious activity
Analysis date:
2023-07-04 13:16:27 UTC
Tags:
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
confuserex packed packed quasar
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
PE file contains section with special chars
PE file has nameless sections
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1266623 Sample: u7VeAH4SHx.exe Startdate: 04/07/2023 Architecture: WINDOWS Score: 100 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 6 other signatures 2->65 10 u7VeAH4SHx.exe 1 2->10         started        14 systemlogfiles.exe 2->14         started        process3 file4 49 C:\Users\user\AppData\...\u7VeAH4SHx.exe.log, ASCII 10->49 dropped 69 Uses schtasks.exe or at.exe to add and modify task schedules 10->69 71 Injects a PE file into a foreign processes 10->71 16 u7VeAH4SHx.exe 4 10->16         started        20 u7VeAH4SHx.exe 10->20         started        22 systemlogfiles.exe 2 14->22         started        24 systemlogfiles.exe 14->24         started        26 systemlogfiles.exe 14->26         started        signatures5 process6 file7 47 C:\Users\user\AppData\...\systemlogfiles.exe, PE32 16->47 dropped 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->57 28 systemlogfiles.exe 1 16->28         started        31 schtasks.exe 1 16->31         started        signatures8 process9 signatures10 73 Multi AV Scanner detection for dropped file 28->73 75 Machine Learning detection for dropped file 28->75 77 Injects a PE file into a foreign processes 28->77 33 systemlogfiles.exe 8 28->33         started        37 systemlogfiles.exe 28->37         started        39 systemlogfiles.exe 28->39         started        41 conhost.exe 31->41         started        process11 dnsIp12 51 1.tcp.eu.ngrok.io 3.125.223.134, 29052, 49698, 49699 AMAZON-02US United States 33->51 53 18.192.31.165, 29052, 49700, 49704 AMAZON-02US United States 33->53 55 3 other IPs or domains 33->55 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 33->67 43 schtasks.exe 1 33->43         started        signatures13 process14 process15 45 conhost.exe 43->45         started       
Threat name:
Win32.Trojan.Perseus
Status:
Malicious
First seen:
2023-06-18 22:32:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:office04 spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Loads dropped DLL
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
1.tcp.eu.ngrok.io:29052
Unpacked files
SH256 hash:
5d628e9c96603920e639618a994b7c06a8f2332f6bf970987c6de4f2eeac5166
MD5 hash:
510915956907fde570fe4bd85e79f9d3
SHA1 hash:
e4089c0fdf6de9e40019e909a9e366520606c042
Detections:
QuasarRAT QuasarRAT
SH256 hash:
5d628e9c96603920e639618a994b7c06a8f2332f6bf970987c6de4f2eeac5166
MD5 hash:
510915956907fde570fe4bd85e79f9d3
SHA1 hash:
e4089c0fdf6de9e40019e909a9e366520606c042
Detections:
QuasarRAT QuasarRAT
SH256 hash:
a94a23e59db5c50c2fbc130fd99da83be3274cd11c6f17ca25c1f98710aef06c
MD5 hash:
51e8911906df6177bba816a6282396a9
SHA1 hash:
9d05a927076d0e8c5fd60b4b12cc2837891f5422
SH256 hash:
a94a23e59db5c50c2fbc130fd99da83be3274cd11c6f17ca25c1f98710aef06c
MD5 hash:
51e8911906df6177bba816a6282396a9
SHA1 hash:
9d05a927076d0e8c5fd60b4b12cc2837891f5422
SH256 hash:
d8c9255982a5932dbaf224d475d2161d814de36784b797d576e41c263587e20a
MD5 hash:
81d087f91c68842c740681f29d0ce55a
SHA1 hash:
86d06df7951abf1ec1919ed2ec0fa844588a9ef0
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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_QuasarStealer
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Description:Detects QuasarRAT malware
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: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.

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