masslogger | 1d6159b26b3bf4e080949b2bb754b3f095b24a084e9d1693f598970cebcf754c

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5076 set thread context of 4804	5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	106

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
4832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe
Token: SeRestorePrivilege	2732	dw20.exe
Token: SeBackupPrivilege	2732	dw20.exe
Token: SeBackupPrivilege	2732	dw20.exe
Token: SeBackupPrivilege	2732	dw20.exe
Token: SeBackupPrivilege	2732	dw20.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 4832	5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	104
PID 5076 wrote to memory of 4832	5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	104
PID 5076 wrote to memory of 4832	5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	104
PID 5076 wrote to memory of 4804	5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	106
PID 5076 wrote to memory of 4804	5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	106
PID 5076 wrote to memory of 4804	5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	106
PID 5076 wrote to memory of 4804	5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	106
PID 5076 wrote to memory of 4804	5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	106
PID 5076 wrote to memory of 4804	5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	106
PID 5076 wrote to memory of 4804	5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	106
PID 5076 wrote to memory of 4804	5076	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	106
PID 4804 wrote to memory of 2732	4804	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	107
PID 4804 wrote to memory of 2732	4804	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	107
PID 4804 wrote to memory of 2732	4804	1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe	107

C:\Users\Admin\AppData\Local\Temp\1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kNiFfoKm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C8E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4832
- C:\Users\Admin\AppData\Local\Temp\1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\1c925c4d5a3b0972c42f48b7c6bbf268_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4804
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 764
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Credential Access

Discovery

Query Registry

3

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery