Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
29/03/2024, 13:51
General
- Target 23ac7c408bdc569abbe0d405bda97979_JaffaCakes118.exe
- Size 181KB
- Sample240329-q58pbsae92
- SHA256 9531f6daa31a2aa726de14506d72f8e4489fdaba0ee0a7e79d2a0ff6b491208d
Malware Config
Signatures
- AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 23 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\23ac7c408bdc569abbe0d405bda97979_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\23ac7c408bdc569abbe0d405bda97979_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "craftrise" /tr '"C:\Users\Admin\AppData\Roaming\craftrise.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "craftrise" /tr '"C:\Users\Admin\AppData\Roaming\craftrise.exe"'3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp85AB.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\craftrise.exe"C:\Users\Admin\AppData\Roaming\craftrise.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
tmp85AB.tmp.bat
craftrise.exe
memory/2984-12-0x0000000074630000-0x0000000074DE0000-memory.dmp
memory/2984-2-0x00000000019C0000-0x00000000019C6000-memory.dmp
memory/2984-4-0x0000000005860000-0x0000000005894000-memory.dmp
memory/2984-5-0x00000000019D0000-0x00000000019D6000-memory.dmp
memory/2984-6-0x0000000005B10000-0x0000000005B76000-memory.dmp
memory/2984-7-0x0000000006370000-0x000000000640C000-memory.dmp
memory/2984-1-0x0000000074630000-0x0000000074DE0000-memory.dmp
memory/2984-3-0x0000000005890000-0x00000000058A0000-memory.dmp
memory/2984-0-0x0000000000ED0000-0x0000000000F06000-memory.dmp
memory/4784-17-0x0000000074590000-0x0000000074D40000-memory.dmp
memory/4784-18-0x0000000005480000-0x0000000005490000-memory.dmp
memory/4784-19-0x0000000005450000-0x0000000005484000-memory.dmp
memory/4784-20-0x0000000074590000-0x0000000074D40000-memory.dmp
memory/4784-21-0x0000000005480000-0x0000000005490000-memory.dmp