Analysis
- max time kernel
150s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
30/11/2022, 14:20
Static task
static1
Behavioral task
behavioral1
Sample
d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
General
- Target d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe
- Size 252KB
- Sample221130-rnx2yabe9v
- SHA256 d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8
- MD5 f68008057ff5dbc67c938b3f5f68a54d
- SHA1 03347080f09deb58f7059a4774da66c3f71890c3
- SHA512 0baccb957a9dc955868226665f6fd7bd938d18191e6c364c5c062887378001b0ea286921cca005005cdda307455afc1e70590a18695aa7921a76cb60bff3b9d5
- SSDEEP 3072:Wk/G2ulyaBYjv/1AnfZoGe9vf95ZKzrde6z2CTaK124CSbUeG7zMCnZf9v:W72+GL9An+ZfPA1SKklSbUHzMCZf
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects PlugX payload 5 IoCs
resource yara_rule behavioral2/memory/2688-134-0x0000000003750000-0x000000000377E000-memory.dmp family_plugx behavioral2/memory/3468-135-0x0000000000E00000-0x0000000000E2E000-memory.dmp family_plugx behavioral2/memory/4944-137-0x0000000002E10000-0x0000000002E3E000-memory.dmp family_plugx behavioral2/memory/3468-138-0x0000000000E00000-0x0000000000E2E000-memory.dmp family_plugx behavioral2/memory/4944-139-0x0000000002E10000-0x0000000002E3E000-memory.dmp family_plugx - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 77.247.179.89 Destination IP 77.247.179.89 Destination IP 77.247.179.89 Destination IP 77.247.179.89 - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\CLASSES\MJ svchost.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\MJ\CLSID = 36003000390035004300390034004500410041003600320046003300320031000000 svchost.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3468 svchost.exe 3468 svchost.exe 3468 svchost.exe 3468 svchost.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 3468 svchost.exe 3468 svchost.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 3468 svchost.exe 3468 svchost.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 3468 svchost.exe 3468 svchost.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 3468 svchost.exe 3468 svchost.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 4944 msiexec.exe 3468 svchost.exe 3468 svchost.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 3468 svchost.exe 4944 msiexec.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2688 d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe Token: SeTcbPrivilege 2688 d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe Token: SeDebugPrivilege 3468 svchost.exe Token: SeTcbPrivilege 3468 svchost.exe Token: SeDebugPrivilege 4944 msiexec.exe Token: SeTcbPrivilege 4944 msiexec.exe - Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2688 wrote to memory of 3468 2688 d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe 79 PID 2688 wrote to memory of 3468 2688 d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe 79 PID 2688 wrote to memory of 3468 2688 d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe 79 PID 2688 wrote to memory of 3468 2688 d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe 79 PID 2688 wrote to memory of 3468 2688 d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe 79 PID 2688 wrote to memory of 3468 2688 d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe 79 PID 2688 wrote to memory of 3468 2688 d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe 79 PID 2688 wrote to memory of 3468 2688 d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe 79 PID 3468 wrote to memory of 4944 3468 svchost.exe 80 PID 3468 wrote to memory of 4944 3468 svchost.exe 80 PID 3468 wrote to memory of 4944 3468 svchost.exe 80 PID 3468 wrote to memory of 4944 3468 svchost.exe 80 PID 3468 wrote to memory of 4944 3468 svchost.exe 80 PID 3468 wrote to memory of 4944 3468 svchost.exe 80 PID 3468 wrote to memory of 4944 3468 svchost.exe 80 PID 3468 wrote to memory of 4944 3468 svchost.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe"C:\Users\Admin\AppData\Local\Temp\d91807db680531bc9f41c4d56229558f39f04c0adef4448be9d5b4691eb919e8.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3468 -
C:\Windows\SysWOW64\msiexec.exeC:\Windows\SysWOW64\msiexec.exe3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4944
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