Analysis
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max time kernel
132s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31-01-2025 08:49
General
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Target
4cca8b360d5053a789ea822ab80261dc6f010c1c72b0d449ca8cdcaffd2e2c0a.exe
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Size
1.2MB
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MD5
00f33641a6c78c9e2330100a28c4a37c
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SHA1
31cee3fbe5a130c52145919c4bb903125069fa08
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SHA256
4cca8b360d5053a789ea822ab80261dc6f010c1c72b0d449ca8cdcaffd2e2c0a
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SHA512
ecfa5076f26ad9f13b23a7bfc78c533eb01c2e6cdf4590fe1cc4790697377b7e3b11c9ed2e5f5b9bd7f5bc6fa104f6ca83145249b159a00c203beb27a6c51f3a
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SSDEEP
24576:Cct8/gOkwvlKtq0p/QXA7ipUtHb8Gzg4etPxMLToY9AzqAPWMaGzs1Db:C5YsvCq0pkA7ke4GCITo2ocj1Db
Malware Config
Extracted
quasar
1.3.0.0
ALINAA
youtubevideos.duckdns.org:6
QSR_MUTEX_c50LUXwDkjFdsHNXKw
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encryption_key
IyL3NZsArZqP2e5avVTp
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install_name
csrssss.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
csrsss
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subdirectory
microsoftsa
Signatures
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Quasar RAT
Quasar is an open source Remote Access Tool.
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Quasar family
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Quasar payload 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\4cca8b360d5053a789ea822ab80261dc6f010c1c72b0d449ca8cdcaffd2e2c0a.exe"C:\Users\Admin\AppData\Local\Temp\4cca8b360d5053a789ea822ab80261dc6f010c1c72b0d449ca8cdcaffd2e2c0a.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\4cca8b360d5053a789ea822ab80261dc6f010c1c72b0d449ca8cdcaffd2e2c0a.exe"C:\Users\Admin\AppData\Local\Temp\4cca8b360d5053a789ea822ab80261dc6f010c1c72b0d449ca8cdcaffd2e2c0a.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
376KB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
240KB
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Filesize
72KB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
-
Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
-
Filesize
1.1MB
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Filesize
1.1MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
528KB
-
Filesize
1.1MB
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
4KB
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Filesize
512KB
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Filesize
304KB
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Filesize
336KB
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Filesize
5.6MB
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Filesize
7.7MB