Analysis
- max time kernel
135s - max time network
139s - platform
windows10_x64 - resource
win10 - submitted
02/09/2020, 06:22
General
- Target PROOF OF PAYMENT3.exe
- Size 356KB
- Sample200902-twmvkrrj3x
- SHA256 33e5803e360f1d0bd569f6033bd55fdb787b263dd334bb0a7c110fb8cf4d9ded
Malware Config
Extracted
-
asyncrat
-
0.5.4H
-
ansrt.duckdns.org:2190
-
ygokaaguahufg
-
aes_key
keH8iXvKPWCBHx7VStbbl3rY1pNIbk58
-
anti_detection
false
-
autorun
false
-
bdos
false
- delay
-
host
ansrt.duckdns.org
-
hwid
null
- install_file
-
install_folder
%AppData%
-
mutex
ygokaaguahufg
-
pastebin_config
null
-
port
2190
-
version
0.5.4H
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
- Async RAT payload 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 1 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Modifies data under HKEY_USERS 5 IoCs
- Suspicious behavior: EnumeratesProcesses 27 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT3.exe"C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xQABXlx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E68.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT3.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1588-1-0x0000000000160000-0x0000000000161000-memory.dmp
memory/1588-3-0x0000000004FA0000-0x0000000004FA1000-memory.dmp
memory/1588-4-0x00000000049D0000-0x00000000049D1000-memory.dmp
memory/1588-5-0x0000000004B60000-0x0000000004B61000-memory.dmp
memory/1588-6-0x0000000004F80000-0x0000000004F83000-memory.dmp
memory/1588-7-0x0000000006D30000-0x0000000006D31000-memory.dmp
memory/1588-8-0x00000000070F0000-0x0000000007135000-memory.dmp
memory/1588-9-0x00000000071E0000-0x00000000071E1000-memory.dmp
memory/1588-10-0x0000000007140000-0x0000000007173000-memory.dmp
memory/1588-0-0x0000000073670000-0x0000000073D5E000-memory.dmp
memory/3740-13-0x0000000000400000-0x0000000000412000-memory.dmp
memory/3740-15-0x0000000073670000-0x0000000073D5E000-memory.dmp
memory/3740-18-0x0000000005680000-0x0000000005681000-memory.dmp
memory/3740-21-0x0000000006DE0000-0x0000000006DE1000-memory.dmp
memory/3740-22-0x0000000006DE0000-0x0000000006DE1000-memory.dmp
memory/3740-23-0x0000000006DE0000-0x0000000006DE1000-memory.dmp
memory/3740-24-0x0000000006DE0000-0x0000000006DE1000-memory.dmp
memory/3740-26-0x0000000006FA0000-0x0000000006FA1000-memory.dmp