Analysis
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max time kernel
151s -
max time network
41s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 17:05
Static task
static1
Behavioral task
behavioral1
Sample
22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe
Resource
win10v2004-20220812-en
General
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Target
22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe
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Size
573KB
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MD5
2a131539a8302b91e8436a49f8cd5c84
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SHA1
364203aa0696b82cf67943029fa08f37f9bfa673
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SHA256
22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048
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SHA512
a796790d29042b74d36353f25c89a66ed27265cd3d03ad364aea2428f7655b6891914f636fef49e6d490a5511f521104236e399b97da0051f20820de8e207467
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SSDEEP
12288:Wd2a4gqWPEqfFebk/bzyX2mq4J/ah/UuHC+XqpU1:W2a4gq3qfcbklm/1SsybMU1
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1424 winlogon.exe 952 winlogon.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\SubFolder\\SubFolder\\winlogon.exe" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\SubFolder\\SubFolder\\winlogon.exe" winlogon.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1424 set thread context of 952 1424 winlogon.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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NTFS ADS 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe:ZONE.identifier cmd.exe File created C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe\:ZONE.identifier:$DATA 22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe File opened for modification C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe:ZONE.identifier cmd.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 952 winlogon.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 952 winlogon.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 952 winlogon.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1148 wrote to memory of 1612 1148 22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe 26 PID 1148 wrote to memory of 1612 1148 22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe 26 PID 1148 wrote to memory of 1612 1148 22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe 26 PID 1148 wrote to memory of 1424 1148 22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe 28 PID 1148 wrote to memory of 1424 1148 22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe 28 PID 1148 wrote to memory of 1424 1148 22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe 28 PID 1424 wrote to memory of 956 1424 winlogon.exe 29 PID 1424 wrote to memory of 956 1424 winlogon.exe 29 PID 1424 wrote to memory of 956 1424 winlogon.exe 29 PID 1424 wrote to memory of 952 1424 winlogon.exe 31 PID 1424 wrote to memory of 952 1424 winlogon.exe 31 PID 1424 wrote to memory of 952 1424 winlogon.exe 31 PID 1424 wrote to memory of 952 1424 winlogon.exe 31 PID 1424 wrote to memory of 952 1424 winlogon.exe 31 PID 1424 wrote to memory of 952 1424 winlogon.exe 31 PID 1424 wrote to memory of 952 1424 winlogon.exe 31 PID 1424 wrote to memory of 952 1424 winlogon.exe 31 PID 1424 wrote to memory of 952 1424 winlogon.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe"C:\Users\Admin\AppData\Local\Temp\22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe"1⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:1148 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > "C:\Users\Admin\AppData\Local\Temp\22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe":ZONE.identifier & exit2⤵
- NTFS ADS
PID:1612
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C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe"C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > "C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe":ZONE.identifier & exit3⤵
- NTFS ADS
PID:956
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C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe"C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:952
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\22dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048.exe
Filesize573KB
MD52a131539a8302b91e8436a49f8cd5c84
SHA1364203aa0696b82cf67943029fa08f37f9bfa673
SHA25622dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048
SHA512a796790d29042b74d36353f25c89a66ed27265cd3d03ad364aea2428f7655b6891914f636fef49e6d490a5511f521104236e399b97da0051f20820de8e207467
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Filesize
4KB
MD5e1190859ab4f21e58d1873afc1b3cff2
SHA150d4f9f444dba70b9918c4b812b5d9a098e0f867
SHA2569b6f8344738cd1b954066a8099333dfa46c360700d8113312e8f1f6f22afcb73
SHA512f3924e6b6002e9122c9465d23ff5a574268800078e9fe6011e0d62dca6113ffaf786fa46338a02288d8059e09ef0e79ac96d004dacabcb708291cf4376294a38
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Filesize
4KB
MD5e1190859ab4f21e58d1873afc1b3cff2
SHA150d4f9f444dba70b9918c4b812b5d9a098e0f867
SHA2569b6f8344738cd1b954066a8099333dfa46c360700d8113312e8f1f6f22afcb73
SHA512f3924e6b6002e9122c9465d23ff5a574268800078e9fe6011e0d62dca6113ffaf786fa46338a02288d8059e09ef0e79ac96d004dacabcb708291cf4376294a38
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Filesize
573KB
MD52a131539a8302b91e8436a49f8cd5c84
SHA1364203aa0696b82cf67943029fa08f37f9bfa673
SHA25622dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048
SHA512a796790d29042b74d36353f25c89a66ed27265cd3d03ad364aea2428f7655b6891914f636fef49e6d490a5511f521104236e399b97da0051f20820de8e207467
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Filesize
573KB
MD52a131539a8302b91e8436a49f8cd5c84
SHA1364203aa0696b82cf67943029fa08f37f9bfa673
SHA25622dbe128bc5b5cb5a6e25fec6e8c95e733466ad0c8cd6c5696e57568d90ef048
SHA512a796790d29042b74d36353f25c89a66ed27265cd3d03ad364aea2428f7655b6891914f636fef49e6d490a5511f521104236e399b97da0051f20820de8e207467