Analysis
- max time kernel
129s - max time network
149s - platform
windows10_x64 - resource
win10v20210408 - submitted
09/06/2021, 08:44
General
- Target KEB HANA BANKeStatementswift00018937481967108.exe
- Size 654KB
- Sample210609-cakndx3ws2
- SHA256 dabd0b5d149d3846e96f880e2433cc8be80218502da80688a111b06ca79910cd
Malware Config
Extracted
-
asyncrat
-
0.5.7B
-
exportmunic007.duckdns.org:6606
-
exportmunic007.duckdns.org:7707
-
exportmunic007.duckdns.org:8808
-
AsyncMutex_6SI8OkPnk
-
aes_key
87bc8revAJEbGcxSAKxbuxGKHUGU9ozy
-
anti_detection
false
-
autorun
false
-
bdos
false
-
delay
Default
-
host
exportmunic007.duckdns.org
-
hwid
3
- install_file
-
install_folder
%AppData%
-
mutex
AsyncMutex_6SI8OkPnk
-
pastebin_config
null
-
port
6606,7707,8808
-
version
0.5.7B
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
- Async RAT payload 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\KEB HANA BANKeStatementswift00018937481967108.exe"C:\Users\Admin\AppData\Local\Temp\KEB HANA BANKeStatementswift00018937481967108.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\FIwwfJb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp439C.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\KEB HANA BANKeStatementswift00018937481967108.exe"C:\Users\Admin\AppData\Local\Temp\KEB HANA BANKeStatementswift00018937481967108.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\KEB HANA BANKeStatementswift00018937481967108.exe"C:\Users\Admin\AppData\Local\Temp\KEB HANA BANKeStatementswift00018937481967108.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\KEB HANA BANKeStatementswift00018937481967108.exe"C:\Users\Admin\AppData\Local\Temp\KEB HANA BANKeStatementswift00018937481967108.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/64-123-0x0000000002A30000-0x0000000002A8D000-memory.dmp
memory/64-124-0x0000000000E70000-0x0000000000E85000-memory.dmp
memory/64-119-0x0000000005350000-0x000000000584E000-memory.dmp
memory/64-120-0x0000000005350000-0x0000000005351000-memory.dmp
memory/64-121-0x00000000055C0000-0x00000000055C1000-memory.dmp
memory/64-122-0x0000000005690000-0x00000000056AE000-memory.dmp
memory/64-114-0x00000000008B0000-0x00000000008B1000-memory.dmp
memory/64-118-0x00000000053F0000-0x00000000053F1000-memory.dmp
memory/64-116-0x0000000005270000-0x0000000005271000-memory.dmp
memory/64-117-0x0000000005850000-0x0000000005851000-memory.dmp
memory/2136-127-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2136-132-0x0000000005780000-0x0000000005781000-memory.dmp
memory/2136-135-0x00000000063F0000-0x00000000063F1000-memory.dmp