Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
20/05/2022, 22:36
Static task
static1
Behavioral task
behavioral1
Sample
407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe
Resource
win10v2004-20220414-en
windows10-2004_x64
0 signatures
0 seconds
General
- Target 407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe
- Size 230KB
- Sample220520-2jfl7sfde8
- SHA256 407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf
- MD5 6c38259b5ece98e227e7d5cd396fa3d0
- SHA1 c9a1fd4d5551494daa416bdeeb9117b49c89092f
- SHA512 82212ebcef256a93f7b16af9d0513d9fb3c26825682792e4e35e5bff7a5c8e0e90bd95f5a471aeb55b6df0e39c66b06b7c3f54efe372483d885c4a2d2d02afc6
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
njrat
Version
-
im523
Botnet
-
xuycocu
C2
-
xatabomsha1470.ddns.net:4646
Mutex
-
8b43d0ebdf1194096535a79e32c6e582
Attributes
-
reg_key
8b43d0ebdf1194096535a79e32c6e582
-
splitter
|'|'|
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3508 svhosts.exe - Modifies Windows Firewall 1 TTPs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b43d0ebdf1194096535a79e32c6e582.exe svhosts.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b43d0ebdf1194096535a79e32c6e582.exe svhosts.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8b43d0ebdf1194096535a79e32c6e582 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhosts.exe\" .." svhosts.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\8b43d0ebdf1194096535a79e32c6e582 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhosts.exe\" .." svhosts.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3508 svhosts.exe - Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1792 wrote to memory of 3508 1792 407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe 82 PID 1792 wrote to memory of 3508 1792 407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe 82 PID 1792 wrote to memory of 3508 1792 407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe 82 PID 3508 wrote to memory of 2020 3508 svhosts.exe 86 PID 3508 wrote to memory of 2020 3508 svhosts.exe 86 PID 3508 wrote to memory of 2020 3508 svhosts.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe"C:\Users\Admin\AppData\Local\Temp\407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Users\Admin\AppData\Local\Temp\svhosts.exe"C:\Users\Admin\AppData\Local\Temp\svhosts.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3508 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svhosts.exe" "svhosts.exe" ENABLE3⤵PID:2020
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\svhosts.exe
- Size 230KB
- SHA256 407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf
- MD5 6c38259b5ece98e227e7d5cd396fa3d0
- SHA1 c9a1fd4d5551494daa416bdeeb9117b49c89092f
- SHA512 82212ebcef256a93f7b16af9d0513d9fb3c26825682792e4e35e5bff7a5c8e0e90bd95f5a471aeb55b6df0e39c66b06b7c3f54efe372483d885c4a2d2d02afc6
- SSDEEP 3072:CNrpg6Z+yJx2Gnilp5YgIQWUn3FFIGOgRd+yuRyZhT:4rpg78niT3F7
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\svhosts.exe
- Size 230KB
- SHA256 407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf
- MD5 6c38259b5ece98e227e7d5cd396fa3d0
- SHA1 c9a1fd4d5551494daa416bdeeb9117b49c89092f
- SHA512 82212ebcef256a93f7b16af9d0513d9fb3c26825682792e4e35e5bff7a5c8e0e90bd95f5a471aeb55b6df0e39c66b06b7c3f54efe372483d885c4a2d2d02afc6
- SSDEEP 3072:CNrpg6Z+yJx2Gnilp5YgIQWUn3FFIGOgRd+yuRyZhT:4rpg78niT3F7
- MD5 SHA1 SHA512 SSDEEP