Overview
overview
10Static
static
3Narsil.exe
windows7-x64
10Narsil.exe
windows10-1703-x64
10Narsil.exe
windows10-2004-x64
10Narsil.exe
windows11-21h2-x64
SurrogateS...vc.exe
windows7-x64
10SurrogateS...vc.exe
windows10-1703-x64
10SurrogateS...vc.exe
windows10-2004-x64
10SurrogateS...vc.exe
windows11-21h2-x64
10winserverupd.exe
windows7-x64
10winserverupd.exe
windows10-1703-x64
10winserverupd.exe
windows10-2004-x64
10winserverupd.exe
windows11-21h2-x64
10Analysis
- max time kernel
198s - max time network
297s - platform
windows10-1703_x64 - resource
win10-20240221-en - resource tags
arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system - submitted
18/03/2024, 15:12
Static task
static1
Behavioral task
behavioral1
Sample
Narsil.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Narsil.exe
Resource
win10-20240221-en
Behavioral task
behavioral3
Sample
Narsil.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
Narsil.exe
Resource
win11-20240221-en
Behavioral task
behavioral5
Sample
SurrogateServerIntoSvc.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
SurrogateServerIntoSvc.exe
Resource
win10-20240221-en
Behavioral task
behavioral7
Sample
SurrogateServerIntoSvc.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral8
Sample
SurrogateServerIntoSvc.exe
Resource
win11-20240221-en
Behavioral task
behavioral9
Sample
winserverupd.exe
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
winserverupd.exe
Resource
win10-20240221-en
Behavioral task
behavioral11
Sample
winserverupd.exe
Resource
win10v2004-20240226-en
General
- Target Narsil.exe
- Size 146.9MB
- Sample240318-slmnvscc5w
- SHA256 33e28ac931d8477eb8d20603b7b8d8cd55a4356ef106d24b02fa3a36be0ee087
- MD5 a3e747b0e917fe4e066eb1c40729c97a
- SHA1 05d0cab40ea39437451b4f7a1058bbc34f9c0aa8
- SHA512 762dd71cbce06cafff547c3f4a9be0d51899797eaa676b00556778fb27f25649890cacc3efe1af7b3d36a259917185e2509e125444d5552935e2f5a8b873029e
- SSDEEP 49152:pKS9lXHCklzCAMKtoCKt0KKEtDiDJibri0Bp1D:oUXHCIWAMIoBWjCDeL0Bp1D
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
risepro
-
95.217.5.29:50500
Signatures
- Detect ZGRat V1 34 IoCs
resource yara_rule behavioral2/memory/312-2-0x0000000004E80000-0x0000000005104000-memory.dmp family_zgrat_v1 behavioral2/memory/312-3-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-4-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-6-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-8-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-10-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-12-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-14-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-16-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-18-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-20-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-22-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-24-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-26-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-28-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-30-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-32-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-34-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-36-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-38-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-40-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-42-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-44-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-46-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-48-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-50-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-56-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-54-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-52-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-60-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-58-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-62-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-66-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 behavioral2/memory/312-64-0x0000000004E80000-0x00000000050FF000-memory.dmp family_zgrat_v1 - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 312 set thread context of 1556 312 Narsil.exe 74 - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 312 Narsil.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 312 wrote to memory of 1556 312 Narsil.exe 74 PID 312 wrote to memory of 1556 312 Narsil.exe 74 PID 312 wrote to memory of 1556 312 Narsil.exe 74 PID 312 wrote to memory of 1556 312 Narsil.exe 74 PID 312 wrote to memory of 1556 312 Narsil.exe 74 PID 312 wrote to memory of 1556 312 Narsil.exe 74 PID 312 wrote to memory of 1556 312 Narsil.exe 74 PID 312 wrote to memory of 1556 312 Narsil.exe 74 PID 312 wrote to memory of 1556 312 Narsil.exe 74 PID 312 wrote to memory of 1556 312 Narsil.exe 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\Narsil.exe"C:\Users\Admin\AppData\Local\Temp\Narsil.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:312 -
C:\Users\Admin\AppData\Local\Temp\Narsil.exeC:\Users\Admin\AppData\Local\Temp\Narsil.exe2⤵PID:1556
-