MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53a1845a7d811a116b02d68da692eb9574befd248c4bb5015f0391e52edd34bb. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 53a1845a7d811a116b02d68da692eb9574befd248c4bb5015f0391e52edd34bb
SHA3-384 hash: b73955e250558e352a9a065daeb63adb607d5a4b4c5c3caba85d961b7cc23662aa350febf3422fe3dd3447f710ff6bdc
SHA1 hash: a95255731e420c7f1927f2201d3b32ef46963005
MD5 hash: bb968594d2a81511e361fa2899f009a4
humanhash: tennessee-leopard-hydrogen-glucose
File name:SecuriteInfo.com.Variant.Tedy.166309.6398.28439
Download: download sample
Signature QuasarRAT
File size:603'880 bytes
First seen:2022-07-13 15:41:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f10e4da994053bf80c20cee985b32e29 (65 x GuLoader, 9 x RemcosRAT, 6 x QuasarRAT)
ssdeep 12288:hHP96Y3YWGuHvFFsM5SVh8FvfTDv1/D2S1QLJp1j8JV6605MJ:hwXWGuHNOBh8FHTL1/D2hVp1jy66FJ
Threatray 15'721 similar samples on MalwareBazaar
TLSH T1DBD4F00867A4C923CBD576318FBACA395B65AC4E564507832AF8BE5F3CFD1630C562B0
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe QuasarRAT signed

Code Signing Certificate

Organisation:Unadaptiveness nonagglutinator Universalizer
Issuer:Unadaptiveness nonagglutinator Universalizer
Algorithm:sha256WithRSAEncryption
Valid from:2022-07-13T13:29:11Z
Valid to:2023-07-13T13:29:11Z
Serial number: -202a1c5b2360597c
Thumbprint Algorithm:SHA256
Thumbprint: 4e508126de275dc44c6fd0ca5879da531e81ac9e3ff6dc1577754fc6a763cf96
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Tedy.166309.6398.28439
Verdict:
Malicious activity
Analysis date:
2022-07-13 16:29:13 UTC
Tags:
n/a

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Delayed reading of the file
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
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:
GuLoader, Quasar
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Drops PE files to the document folder of the user
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Installs a global keyboard hook
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 662830 Sample: SecuriteInfo.com.Variant.Te... Startdate: 13/07/2022 Architecture: WINDOWS Score: 100 26 colpatvalidacionnuevo.xyz 2->26 28 ip-api.com 2->28 36 Snort IDS alert for network traffic 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 7 other signatures 2->42 8 SecuriteInfo.com.Variant.Tedy.166309.6398.exe 5 47 2->8         started        signatures3 process4 file5 18 C:\Users\user\Documents\FILERET\...\7-zip.dll, PE32+ 8->18 dropped 20 C:\Users\user\Documents\...\msvcp80.dll, PE32 8->20 dropped 22 C:\Users\user\...\System.Windows.dll, PE32 8->22 dropped 24 2 other files (none is malicious) 8->24 dropped 44 Drops PE files to the document folder of the user 8->44 46 Writes to foreign memory regions 8->46 48 Tries to detect Any.run 8->48 50 Hides threads from debuggers 8->50 12 CasPol.exe 16 15 8->12         started        signatures6 process7 dnsIp8 30 colpatvalidacionnuevo.xyz 181.235.3.137, 37198, 49789 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 12->30 32 194.31.98.240, 49787, 80 BURSABILTR Netherlands 12->32 34 ip-api.com 208.95.112.1, 49788, 80 TUT-ASUS United States 12->34 52 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->52 54 Tries to detect Any.run 12->54 56 Hides threads from debuggers 12->56 58 2 other signatures 12->58 16 conhost.exe 12->16         started        signatures9 process10
Threat name:
Win32.Downloader.GuLoader
Status:
Malicious
First seen:
2022-07-13 15:42:16 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
13 of 26 (50.00%)
Threat level:
  3/5
Result
Malware family:
Score:
  10/10
Tags:
family:guloader family:quasar botnet:artillery discovery downloader persistence spyware suricata trojan
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Quasar RAT
Quasar payload
suricata: ET MALWARE Common RAT Connectivity Check Observed
suricata: ET MALWARE Generic .bin download from Dotted Quad
Malware Config
C2 Extraction:
colpatvalidacionnuevo.xyz:37198
Unpacked files
SH256 hash:
2026f3c4f830dff6883b88e2647272a52a132f25eb42c0d423e36b3f65a94d08
MD5 hash:
4c8a880eabc0b4d462cc4b2472116ea1
SHA1 hash:
d0a27f553c0fe0e507c7df079485b601d5b592e6
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
SH256 hash:
0cfbdbb0f561f451779590ac95cf5a28757158c667c4365c2f9a6225bf2bbf6e
MD5 hash:
599faf1b8acc76554e5cfdd97d6b2c58
SHA1 hash:
5f402fb7025a75fb724fef0f4b297dd1726a6b22
SH256 hash:
fc648c1add07f55c473c2a43f68e5f3af0c6cd92bd576cffea4ff4725661322a
MD5 hash:
cbcf188696d6bd9d8ed526a3a2a862be
SHA1 hash:
3715d2de680f63537b2f8d6a7e6258da0956be4c
SH256 hash:
53a1845a7d811a116b02d68da692eb9574befd248c4bb5015f0391e52edd34bb
MD5 hash:
bb968594d2a81511e361fa2899f009a4
SHA1 hash:
a95255731e420c7f1927f2201d3b32ef46963005
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:Ins_NSIS_Buer_Nov_2020_1
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

File information


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

Comments