Analysis
-
max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
21-04-2024 04:03
Static task
static1
Behavioral task
behavioral1
Sample
fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
-
Target
fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe
-
Size
111KB
-
MD5
fe635fb99ce2f917b2cfa1be8ffa9174
-
SHA1
acd1aa7e0a9e3afd23ade0a6d2670797e0a1cb34
-
SHA256
56c9445daf1b4edff801d74a78070a283cde693c78ee2100a26b05c320fddb1c
-
SHA512
bf184db3a06bfe9efe866d53c1bdf5e664f91d2ccfb6151414c3de277d5e56b86e1011f8a7e079885c4c3d53c344a5b57e3f117c33a5a4633d24806d9a250c4c
-
SSDEEP
3072:WGXhwy7Hg9C1PbaRYX2NCancRu7VQufXAP1MGGWcV:W+wS8AUtV
Malware Config
Extracted
njrat
Njrat 0.7 Golden By Hassan Amiri
cs
sbmx.duckdns.org:10130
Windows Update
-
reg_key
Windows Update
-
splitter
|Hassan|
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe -
Drops startup file 2 IoCs
Processes:
System.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe System.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe System.exe -
Executes dropped EXE 1 IoCs
Processes:
System.exepid process 4476 System.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
System.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .." System.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .." System.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exeSystem.exepid process 348 fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe 4476 System.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
Processes:
System.exedescription pid process Token: SeDebugPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe Token: 33 4476 System.exe Token: SeIncBasePriorityPrivilege 4476 System.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exedescription pid process target process PID 348 wrote to memory of 4476 348 fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe System.exe PID 348 wrote to memory of 4476 348 fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe System.exe PID 348 wrote to memory of 4476 348 fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe System.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fe635fb99ce2f917b2cfa1be8ffa9174_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\System.exe"C:\Users\Admin\AppData\Local\Temp\System.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\System.exeFilesize
111KB
MD5fe635fb99ce2f917b2cfa1be8ffa9174
SHA1acd1aa7e0a9e3afd23ade0a6d2670797e0a1cb34
SHA25656c9445daf1b4edff801d74a78070a283cde693c78ee2100a26b05c320fddb1c
SHA512bf184db3a06bfe9efe866d53c1bdf5e664f91d2ccfb6151414c3de277d5e56b86e1011f8a7e079885c4c3d53c344a5b57e3f117c33a5a4633d24806d9a250c4c
-
memory/348-6-0x0000000004EB0000-0x0000000004F42000-memory.dmpFilesize
584KB
-
memory/348-2-0x0000000004B80000-0x0000000004C1C000-memory.dmpFilesize
624KB
-
memory/348-3-0x00000000024C0000-0x00000000024D2000-memory.dmpFilesize
72KB
-
memory/348-4-0x0000000004D90000-0x0000000004DA0000-memory.dmpFilesize
64KB
-
memory/348-5-0x0000000005450000-0x00000000059F4000-memory.dmpFilesize
5.6MB
-
memory/348-0-0x00000000001F0000-0x0000000000206000-memory.dmpFilesize
88KB
-
memory/348-1-0x00000000746F0000-0x0000000074EA0000-memory.dmpFilesize
7.7MB
-
memory/348-19-0x00000000746F0000-0x0000000074EA0000-memory.dmpFilesize
7.7MB
-
memory/4476-20-0x00000000746F0000-0x0000000074EA0000-memory.dmpFilesize
7.7MB
-
memory/4476-21-0x0000000002CF0000-0x0000000002D00000-memory.dmpFilesize
64KB
-
memory/4476-23-0x00000000055C0000-0x00000000055CA000-memory.dmpFilesize
40KB
-
memory/4476-24-0x00000000746F0000-0x0000000074EA0000-memory.dmpFilesize
7.7MB
-
memory/4476-25-0x0000000002CF0000-0x0000000002D00000-memory.dmpFilesize
64KB