Analysis
- max time kernel
151s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
17/02/2023, 13:51
Static task
static1
Behavioral task
behavioral1
Sample
6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe
Resource
win7-20220901-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe
- Size 264KB
- Sample230217-q5s9msfb71
- SHA256 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436
- MD5 695c5d19dc3c3c5cc39182e09d9274e6
- SHA1 bc0aa3fce44b7d252919d820860709a0052cb76c
- SHA512 a20bf0b073c43f55f9a8797e093422b2aea58949fa23e625e20ce9786421c120253cd4f988aa3b2f877d9cc7f6c472e8daabe58489d7b7ea2bec5c339e855e4b
- SSDEEP 6144:D590Fz8uK5f2zeua122r32rSOrfpMvglH1wOQjlRRxlJ8QG:lgA12z0lrmrZrxYgp1ojlrh0
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
njrat
Version
-
0.7d
Botnet
-
zalupa180417
C2
-
808080.ddns.net:5555
Mutex
-
4cb72bb7475074f5af41f3e5e189ee3f
Attributes
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reg_key
4cb72bb7475074f5af41f3e5e189ee3f
-
splitter
|'|'|
Signatures
- Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4800 netsh.exe - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FlashUpdate.exe 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FlashUpdate.exe 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1800 set thread context of 2584 1800 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe 79 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1800 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe 1800 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe - Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: SeDebugPrivilege 1800 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe Token: SeDebugPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe Token: 33 2584 RegAsm.exe Token: SeIncBasePriorityPrivilege 2584 RegAsm.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1800 wrote to memory of 2584 1800 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe 79 PID 1800 wrote to memory of 2584 1800 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe 79 PID 1800 wrote to memory of 2584 1800 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe 79 PID 1800 wrote to memory of 2584 1800 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe 79 PID 1800 wrote to memory of 2584 1800 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe 79 PID 1800 wrote to memory of 2584 1800 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe 79 PID 1800 wrote to memory of 2584 1800 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe 79 PID 1800 wrote to memory of 2584 1800 6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe 79 PID 2584 wrote to memory of 4800 2584 RegAsm.exe 83 PID 2584 wrote to memory of 4800 2584 RegAsm.exe 83 PID 2584 wrote to memory of 4800 2584 RegAsm.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe"C:\Users\Admin\AppData\Local\Temp\6ee76407efa8157b7f2b80a3a7ccc41581851aca58ab10cb8caf0243ce6fa436.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:4800
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