Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
25/07/2022, 03:45
Static task
static1
Behavioral task
behavioral1
Sample
7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f.exe
Resource
win7-20220715-en
General
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Target
7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f.exe
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Size
756KB
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MD5
eecb1dd95cc48c5aa0039f4c4082e32b
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SHA1
7d5bfe1034d21123cd1c20cfba3807820ce38bd7
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SHA256
7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f
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SHA512
c382f856a950403a31151521ad7c0c25d7ce3ecd91f133014d4b6e2f8ee270b94c5c6521cf02db6bce1719a373306d1f1f2f48895cb9ed99c203ff0d989285f1
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 3392 svs.exe 2728 svs.exe -
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-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation 7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svs.lnk svs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3392 set thread context of 2728 3392 svs.exe 90 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2728 svs.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4884 7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f.exe Token: SeDebugPrivilege 3392 svs.exe Token: SeDebugPrivilege 2728 svs.exe Token: 33 2728 svs.exe Token: SeIncBasePriorityPrivilege 2728 svs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2728 svs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4884 wrote to memory of 1756 4884 7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f.exe 82 PID 4884 wrote to memory of 1756 4884 7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f.exe 82 PID 4884 wrote to memory of 1756 4884 7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f.exe 82 PID 4884 wrote to memory of 2732 4884 7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f.exe 87 PID 4884 wrote to memory of 2732 4884 7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f.exe 87 PID 4884 wrote to memory of 2732 4884 7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f.exe 87 PID 2732 wrote to memory of 3392 2732 cmd.exe 89 PID 2732 wrote to memory of 3392 2732 cmd.exe 89 PID 2732 wrote to memory of 3392 2732 cmd.exe 89 PID 3392 wrote to memory of 2728 3392 svs.exe 90 PID 3392 wrote to memory of 2728 3392 svs.exe 90 PID 3392 wrote to memory of 2728 3392 svs.exe 90 PID 3392 wrote to memory of 2728 3392 svs.exe 90 PID 3392 wrote to memory of 2728 3392 svs.exe 90 PID 3392 wrote to memory of 2728 3392 svs.exe 90 PID 3392 wrote to memory of 2728 3392 svs.exe 90 PID 3392 wrote to memory of 2728 3392 svs.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f.exe"C:\Users\Admin\AppData\Local\Temp\7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4884 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\7249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f.exe" "C:\Users\Admin\AppData\Local\svs.exe"2⤵PID:1756
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\svs.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Users\Admin\AppData\Local\svs.exe"C:\Users\Admin\AppData\Local\svs.exe"3⤵
- Executes dropped EXE
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3392 -
C:\Users\Admin\AppData\Local\svs.exe"C:\Users\Admin\AppData\Local\svs.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2728
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:4492
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
756KB
MD5eecb1dd95cc48c5aa0039f4c4082e32b
SHA17d5bfe1034d21123cd1c20cfba3807820ce38bd7
SHA2567249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f
SHA512c382f856a950403a31151521ad7c0c25d7ce3ecd91f133014d4b6e2f8ee270b94c5c6521cf02db6bce1719a373306d1f1f2f48895cb9ed99c203ff0d989285f1
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Filesize
756KB
MD5eecb1dd95cc48c5aa0039f4c4082e32b
SHA17d5bfe1034d21123cd1c20cfba3807820ce38bd7
SHA2567249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f
SHA512c382f856a950403a31151521ad7c0c25d7ce3ecd91f133014d4b6e2f8ee270b94c5c6521cf02db6bce1719a373306d1f1f2f48895cb9ed99c203ff0d989285f1
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Filesize
756KB
MD5eecb1dd95cc48c5aa0039f4c4082e32b
SHA17d5bfe1034d21123cd1c20cfba3807820ce38bd7
SHA2567249ca26058758465845ed038fe455193dbe5a4032ab7bc25a7abe3e8094485f
SHA512c382f856a950403a31151521ad7c0c25d7ce3ecd91f133014d4b6e2f8ee270b94c5c6521cf02db6bce1719a373306d1f1f2f48895cb9ed99c203ff0d989285f1