Analysis
- max time kernel
77s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
04/05/2022, 05:16
Static task
static1
Behavioral task
behavioral1
Sample
PO-9768708-Hyundai-09221-6138 pdf.exe
Resource
win7-20220414-en
0 signatures
0 seconds
General
- Target PO-9768708-Hyundai-09221-6138 pdf.exe
- Size 702KB
- Sample220504-fx5ycsdba4
- SHA256 869fa23919d381e4af0d8c04881d65ad842cb96020da5c1e16f65c48190d3eef
- MD5 5df0240aa06b38e1a88fde9c6c5c306e
- SHA1 2a3d233fed9ea294b049061fe85e471cabc83f97
- SHA512 cfff543c68effd0051e6f29be985e6527f317ea5813bc695de4b0a97bda68ca29f6d05c3a9b6efb9bf98596aef403d25373c3bcf58d10f84678b276d52b6d8a0
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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netwire
C2
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rozayleekimishere.duckdns.org:2983
Attributes
-
activex_autorun
false
-
copy_executable
false
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delete_original
false
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host_id
HostId-%Rand%
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lock_executable
false
-
offline_keylogger
false
-
password
Password
-
registry_autorun
false
-
use_mutex
false
Signatures
- NetWire RAT payload 4 IoCs
resource yara_rule behavioral2/memory/3140-144-0x0000000000400000-0x0000000000450000-memory.dmp netwire behavioral2/memory/3140-146-0x0000000000400000-0x0000000000450000-memory.dmp netwire behavioral2/memory/3140-148-0x0000000000400000-0x0000000000450000-memory.dmp netwire behavioral2/memory/3140-149-0x0000000000400000-0x0000000000450000-memory.dmp netwire - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation PO-9768708-Hyundai-09221-6138 pdf.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4280 set thread context of 3140 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 105 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 536 schtasks.exe - Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 2044 powershell.exe 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 2044 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4280 PO-9768708-Hyundai-09221-6138 pdf.exe Token: SeDebugPrivilege 2044 powershell.exe - Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 4280 wrote to memory of 2044 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 99 PID 4280 wrote to memory of 2044 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 99 PID 4280 wrote to memory of 2044 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 99 PID 4280 wrote to memory of 536 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 101 PID 4280 wrote to memory of 536 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 101 PID 4280 wrote to memory of 536 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 101 PID 4280 wrote to memory of 5060 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 103 PID 4280 wrote to memory of 5060 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 103 PID 4280 wrote to memory of 5060 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 103 PID 4280 wrote to memory of 4392 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 104 PID 4280 wrote to memory of 4392 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 104 PID 4280 wrote to memory of 4392 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 104 PID 4280 wrote to memory of 3140 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 105 PID 4280 wrote to memory of 3140 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 105 PID 4280 wrote to memory of 3140 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 105 PID 4280 wrote to memory of 3140 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 105 PID 4280 wrote to memory of 3140 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 105 PID 4280 wrote to memory of 3140 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 105 PID 4280 wrote to memory of 3140 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 105 PID 4280 wrote to memory of 3140 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 105 PID 4280 wrote to memory of 3140 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 105 PID 4280 wrote to memory of 3140 4280 PO-9768708-Hyundai-09221-6138 pdf.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-9768708-Hyundai-09221-6138 pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO-9768708-Hyundai-09221-6138 pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KPwtapzko.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2044
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KPwtapzko" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDC0.tmp"2⤵
- Creates scheduled task(s)
PID:536
-
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C:\Users\Admin\AppData\Local\Temp\PO-9768708-Hyundai-09221-6138 pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO-9768708-Hyundai-09221-6138 pdf.exe"2⤵PID:5060
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C:\Users\Admin\AppData\Local\Temp\PO-9768708-Hyundai-09221-6138 pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO-9768708-Hyundai-09221-6138 pdf.exe"2⤵PID:4392
-
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C:\Users\Admin\AppData\Local\Temp\PO-9768708-Hyundai-09221-6138 pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO-9768708-Hyundai-09221-6138 pdf.exe"2⤵PID:3140
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmpCDC0.tmp
- Size 1KB
- SHA256 bcd8ec3b0f4d71ebb4d27fa84803ff28a42c9c73c5f8b2ac270487cee8cd68ac
- MD5 be05ae9bdfa72cc769711d5cb2034272
- SHA1 27306f2f2b06e6117529f294a05e21a815d45799
- SHA512 e51d45427803baa0718e147371b1d19823939d228deeee0c15cde37fb3d5a40c0d5ee380c77980a0be04679f3d5de3d2b8df6365e4188a53538dde573e7910dc
- MD5 SHA1 SHA512