Analysis
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max time kernel
149s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
28/12/2023, 23:22
Static task
static1
Behavioral task
behavioral1
Sample
ff9add51335bd66c0b204bf060a92d4b.exe
Resource
win7-20231129-en
windows7-x64
10 signatures
150 seconds
General
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Target
ff9add51335bd66c0b204bf060a92d4b.exe
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Size
222KB
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MD5
ff9add51335bd66c0b204bf060a92d4b
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SHA1
6c991a643755725a48b34fc2a552ffd48ecddfee
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SHA256
61468e3775e2171c306d339dfd7a117405c13b4462399e8e286c3e86b8e1d3d9
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SHA512
5a517f5423c737187ff71b9c26dd8a20ebc0ab87a88f28785b64ece016103251b0142be9c68e1672e13462f0d53e3f3cdfcc400ac35f29e50ebe17bd67074dd2
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SSDEEP
3072:gB2/NrEldVcgsiBwd2Je4eNdojgeABdfBAPb+yEgINjcwAC8OC+z8Qnl:9eqrOwd2pGSjFAf5A6dgI1cwI+zL
Malware Config
Signatures
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Detects PlugX payload 13 IoCs
resource yara_rule behavioral2/memory/5060-2-0x0000000002440000-0x000000000246F000-memory.dmp family_plugx behavioral2/memory/5060-14-0x0000000002440000-0x000000000246F000-memory.dmp family_plugx behavioral2/memory/5060-26-0x0000000002440000-0x000000000246F000-memory.dmp family_plugx behavioral2/memory/5060-27-0x0000000002440000-0x000000000246F000-memory.dmp family_plugx behavioral2/memory/5060-28-0x0000000002440000-0x000000000246F000-memory.dmp family_plugx behavioral2/memory/5060-30-0x0000000002440000-0x000000000246F000-memory.dmp family_plugx behavioral2/memory/5060-31-0x0000000002440000-0x000000000246F000-memory.dmp family_plugx behavioral2/memory/5060-33-0x0000000002440000-0x000000000246F000-memory.dmp family_plugx behavioral2/memory/3160-34-0x0000000002B00000-0x0000000002B2F000-memory.dmp family_plugx behavioral2/memory/3160-38-0x0000000002B00000-0x0000000002B2F000-memory.dmp family_plugx behavioral2/memory/3160-39-0x0000000002B00000-0x0000000002B2F000-memory.dmp family_plugx behavioral2/memory/5060-40-0x0000000002440000-0x000000000246F000-memory.dmp family_plugx behavioral2/memory/3160-41-0x0000000002B00000-0x0000000002B2F000-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 146.148.42.217 Destination IP 146.148.42.217 Destination IP 146.148.42.217 Destination IP 146.148.42.217 -
Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\boot.ldr ff9add51335bd66c0b204bf060a92d4b.exe File opened for modification C:\Windows\SysWOW64\NvSmart.exe ff9add51335bd66c0b204bf060a92d4b.exe File created C:\Windows\SysWOW64\NvSmart.exe ff9add51335bd66c0b204bf060a92d4b.exe File opened for modification C:\Windows\SysWOW64\NvSmartMax.dll ff9add51335bd66c0b204bf060a92d4b.exe File created C:\Windows\SysWOW64\NvSmartMax.dll ff9add51335bd66c0b204bf060a92d4b.exe File opened for modification C:\Windows\SysWOW64\boot.ldr ff9add51335bd66c0b204bf060a92d4b.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64 ff9add51335bd66c0b204bf060a92d4b.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\CLASSES\FAST ff9add51335bd66c0b204bf060a92d4b.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\FAST\CLSID = 38004500440043003500410036003400360044003800440036003000370038000000 ff9add51335bd66c0b204bf060a92d4b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5060 ff9add51335bd66c0b204bf060a92d4b.exe 5060 ff9add51335bd66c0b204bf060a92d4b.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 5060 ff9add51335bd66c0b204bf060a92d4b.exe 5060 ff9add51335bd66c0b204bf060a92d4b.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 5060 ff9add51335bd66c0b204bf060a92d4b.exe 5060 ff9add51335bd66c0b204bf060a92d4b.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 5060 ff9add51335bd66c0b204bf060a92d4b.exe 5060 ff9add51335bd66c0b204bf060a92d4b.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 5060 ff9add51335bd66c0b204bf060a92d4b.exe 5060 ff9add51335bd66c0b204bf060a92d4b.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 3160 msiexec.exe 5060 ff9add51335bd66c0b204bf060a92d4b.exe 5060 ff9add51335bd66c0b204bf060a92d4b.exe 3160 msiexec.exe 3160 msiexec.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3160 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5060 ff9add51335bd66c0b204bf060a92d4b.exe Token: SeTcbPrivilege 5060 ff9add51335bd66c0b204bf060a92d4b.exe Token: SeDebugPrivilege 3160 msiexec.exe Token: SeTcbPrivilege 3160 msiexec.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 5060 wrote to memory of 3160 5060 ff9add51335bd66c0b204bf060a92d4b.exe 95 PID 5060 wrote to memory of 3160 5060 ff9add51335bd66c0b204bf060a92d4b.exe 95 PID 5060 wrote to memory of 3160 5060 ff9add51335bd66c0b204bf060a92d4b.exe 95 PID 5060 wrote to memory of 3160 5060 ff9add51335bd66c0b204bf060a92d4b.exe 95 PID 5060 wrote to memory of 3160 5060 ff9add51335bd66c0b204bf060a92d4b.exe 95 PID 5060 wrote to memory of 3160 5060 ff9add51335bd66c0b204bf060a92d4b.exe 95 PID 5060 wrote to memory of 3160 5060 ff9add51335bd66c0b204bf060a92d4b.exe 95 PID 5060 wrote to memory of 3160 5060 ff9add51335bd66c0b204bf060a92d4b.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\ff9add51335bd66c0b204bf060a92d4b.exe"C:\Users\Admin\AppData\Local\Temp\ff9add51335bd66c0b204bf060a92d4b.exe"1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Windows\SysWOW64\msiexec.exeC:\Windows\system32\msiexec.exe 209 50602⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3160
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