Analysis
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max time kernel
141s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
02/04/2024, 11:27
Behavioral task
behavioral1
Sample
447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe
Resource
win10v2004-20240226-en
General
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Target
447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe
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Size
63KB
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MD5
c1ade258f05c512e98ebc4d9d1165f8a
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SHA1
acf20f6a7dc7841ae06f801b887289fdc99e0488
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SHA256
447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759
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SHA512
5b652e0ef6293d7baeb7e9d8b79322ec65e98d748e1df492099fa6692d0bbc78f032df68e7028a28af06b5c27394456159351a6469fdaf777e6eb98609331076
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SSDEEP
1536:SaKFoNbEkySYKumUYFOy5biAPY0JG4aRjnl7RUr+TG5x:SawoNbEkAKumUYFD5biF0JejxSsCx
Malware Config
Extracted
asyncrat
| Edit 3LOSH RAT
Exodus_Market
leetboy.dynuddns.net:1339
AsyncMutex_6SI8OkPnk
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delay
3
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install
true
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install_file
svchos.exe
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install_folder
%AppData%
Signatures
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Async RAT payload 1 IoCs
resource yara_rule behavioral1/files/0x000b0000000139e0-15.dat family_asyncrat -
Executes dropped EXE 1 IoCs
pid Process 2616 svchos.exe -
Loads dropped DLL 1 IoCs
pid Process 2484 cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2036 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2088 timeout.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2860 447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe 2860 447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe 2616 svchos.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2860 447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe Token: SeDebugPrivilege 2616 svchos.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2616 svchos.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2860 wrote to memory of 2592 2860 447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe 28 PID 2860 wrote to memory of 2592 2860 447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe 28 PID 2860 wrote to memory of 2592 2860 447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe 28 PID 2860 wrote to memory of 2592 2860 447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe 28 PID 2860 wrote to memory of 2484 2860 447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe 30 PID 2860 wrote to memory of 2484 2860 447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe 30 PID 2860 wrote to memory of 2484 2860 447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe 30 PID 2860 wrote to memory of 2484 2860 447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe 30 PID 2592 wrote to memory of 2036 2592 cmd.exe 32 PID 2592 wrote to memory of 2036 2592 cmd.exe 32 PID 2592 wrote to memory of 2036 2592 cmd.exe 32 PID 2592 wrote to memory of 2036 2592 cmd.exe 32 PID 2484 wrote to memory of 2088 2484 cmd.exe 33 PID 2484 wrote to memory of 2088 2484 cmd.exe 33 PID 2484 wrote to memory of 2088 2484 cmd.exe 33 PID 2484 wrote to memory of 2088 2484 cmd.exe 33 PID 2484 wrote to memory of 2616 2484 cmd.exe 34 PID 2484 wrote to memory of 2616 2484 cmd.exe 34 PID 2484 wrote to memory of 2616 2484 cmd.exe 34 PID 2484 wrote to memory of 2616 2484 cmd.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe"C:\Users\Admin\AppData\Local\Temp\447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchos" /tr '"C:\Users\Admin\AppData\Roaming\svchos.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2592 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "svchos" /tr '"C:\Users\Admin\AppData\Roaming\svchos.exe"'3⤵
- Creates scheduled task(s)
PID:2036
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp23E5.tmp.bat""2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2484 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2088
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C:\Users\Admin\AppData\Roaming\svchos.exe"C:\Users\Admin\AppData\Roaming\svchos.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2616
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
150B
MD54c60902816ee99bfeffd142e19715994
SHA1816fe83948134a64621803ba89c7a1ce56d0bc48
SHA25616dc73674accf1b56eb4d7c96a7c077b19de1abb2e1b6ee9a07a64dd5ceff415
SHA512c337e52292042c7d847e38c0bc0da6bab67e51c177833b5a41db668f7f9a74d2e717247c7b2a7aaa60c0e45ed034df133b5e63aa7db7b121da773af5b0bc9142
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Filesize
63KB
MD5c1ade258f05c512e98ebc4d9d1165f8a
SHA1acf20f6a7dc7841ae06f801b887289fdc99e0488
SHA256447eae52ab1979405497866c72df7ec0703085ad6946ab0127f612b1518f8759
SHA5125b652e0ef6293d7baeb7e9d8b79322ec65e98d748e1df492099fa6692d0bbc78f032df68e7028a28af06b5c27394456159351a6469fdaf777e6eb98609331076