Analysis
- max time kernel
143s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system - submitted
14/08/2023, 13:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Zjmucwroot.exe
Resource
win7-20230712-en
1 signatures
150 seconds
Behavioral task
behavioral2
Sample
Zjmucwroot.exe
Resource
win10v2004-20230703-en
7 signatures
150 seconds
General
- Target Zjmucwroot.exe
- Size 113KB
- Sample230814-qrtcgscc32
- SHA256 62625b630b5bbcb1052cb0034b60dcf702d96fec3fcfe5cb6154546a06b68634
- MD5 5a7b8751cffa191e8d28b916f9eff0d6
- SHA1 3c35a4377f9df1274c0534e7edc3913ec1bb9d23
- SHA512 8d344e77a34dadd5fe3b5f9d7328cd70dbe36cd10847533a2a937ffea720b79059fc417f0449f7dc988f2b840991950160021db4fa96eff006c9bba425c283c3
- SSDEEP 1536:CWN+SkMZif230QS6B3KMF1vR9rKeDYYVsgxhxRf/OI9jdl5PAaZ/Sv93Q28FHE7:8GzpNR9rKeDYYVsgdRf/OuJfhAP8tE7
- MD5 SHA1 SHA512 SSDEEP
Score
6/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Uvjcibslxfc = "C:\\Users\\Admin\\AppData\\Roaming\\Uvjcibslxfc.exe" Zjmucwroot.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2532 set thread context of 1508 2532 Zjmucwroot.exe 99 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 4160 ipconfig.exe 2996 ipconfig.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3904 powershell.exe 3904 powershell.exe 1508 MSBuild.exe 1508 MSBuild.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2532 Zjmucwroot.exe Token: SeDebugPrivilege 3904 powershell.exe Token: SeDebugPrivilege 1508 MSBuild.exe - Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2532 wrote to memory of 652 2532 Zjmucwroot.exe 89 PID 2532 wrote to memory of 652 2532 Zjmucwroot.exe 89 PID 2532 wrote to memory of 652 2532 Zjmucwroot.exe 89 PID 652 wrote to memory of 4160 652 cmd.exe 91 PID 652 wrote to memory of 4160 652 cmd.exe 91 PID 652 wrote to memory of 4160 652 cmd.exe 91 PID 2532 wrote to memory of 3340 2532 Zjmucwroot.exe 92 PID 2532 wrote to memory of 3340 2532 Zjmucwroot.exe 92 PID 2532 wrote to memory of 3340 2532 Zjmucwroot.exe 92 PID 3340 wrote to memory of 3904 3340 cmd.exe 94 PID 3340 wrote to memory of 3904 3340 cmd.exe 94 PID 3340 wrote to memory of 3904 3340 cmd.exe 94 PID 2532 wrote to memory of 3648 2532 Zjmucwroot.exe 96 PID 2532 wrote to memory of 3648 2532 Zjmucwroot.exe 96 PID 2532 wrote to memory of 3648 2532 Zjmucwroot.exe 96 PID 3648 wrote to memory of 2996 3648 cmd.exe 98 PID 3648 wrote to memory of 2996 3648 cmd.exe 98 PID 3648 wrote to memory of 2996 3648 cmd.exe 98 PID 2532 wrote to memory of 1508 2532 Zjmucwroot.exe 99 PID 2532 wrote to memory of 1508 2532 Zjmucwroot.exe 99 PID 2532 wrote to memory of 1508 2532 Zjmucwroot.exe 99 PID 2532 wrote to memory of 1508 2532 Zjmucwroot.exe 99 PID 2532 wrote to memory of 1508 2532 Zjmucwroot.exe 99 PID 2532 wrote to memory of 1508 2532 Zjmucwroot.exe 99 PID 2532 wrote to memory of 1508 2532 Zjmucwroot.exe 99 PID 2532 wrote to memory of 1508 2532 Zjmucwroot.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\Zjmucwroot.exe"C:\Users\Admin\AppData\Local\Temp\Zjmucwroot.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /release2⤵
- Suspicious use of WriteProcessMemory
PID:652 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /release3⤵
- Gathers network information
PID:4160
-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c powershell set-mppreference -exclusionpath C:\2⤵
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell set-mppreference -exclusionpath C:\3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3904
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /renew2⤵
- Suspicious use of WriteProcessMemory
PID:3648 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /renew3⤵
- Gathers network information
PID:2996
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1508
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e2srfnac.b0p.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512