Analysis
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max time kernel
152s -
max time network
198s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
30-11-2022 13:49
Static task
static1
Behavioral task
behavioral1
Sample
8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe
Resource
win7-20221111-en
windows7-x64
Behavioral task
behavioral2
Sample
8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
General
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Target
8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe
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Size
507KB
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MD5
8b6b7954f840329e2b0f67fb851ea9a6
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SHA1
f62ec7c3ea1ef8d185b5f083813315e0b09a5f5f
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SHA256
8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba
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SHA512
01036290f9cc7d637c8d1d3cca9c2201ef273596bd5bb64d7089c88f5ce68086bba955fcb4624346102bc91651eb9331824176c0bbc8c84d12fae2d33eaf9be8
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SSDEEP
6144:g4xJwZlYV28hU9K+SRhj+dBsWHuKCRnNrMmv1IH/V0MgraPWGuLfcwSpb1H78i+w:GNikBsKPVZwa+2J7p55Uh+1
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 572 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe -
Deletes itself 1 IoCs
pid Process 1688 cmd.exe -
Loads dropped DLL 3 IoCs
pid Process 1948 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 1780 taskmgr.exe 1780 taskmgr.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Default Key = "C:\\Users\\Admin\\AppData\\Local\\Default Folder\\system2.exe" 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Default Key = "\\Default Folder\\system2.exe" 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 1368 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 572 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 572 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 572 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 1780 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1948 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe Token: SeDebugPrivilege 572 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe Token: SeDebugPrivilege 1780 taskmgr.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe 1780 taskmgr.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 572 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1948 wrote to memory of 572 1948 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 28 PID 1948 wrote to memory of 572 1948 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 28 PID 1948 wrote to memory of 572 1948 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 28 PID 1948 wrote to memory of 572 1948 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 28 PID 1948 wrote to memory of 1688 1948 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 29 PID 1948 wrote to memory of 1688 1948 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 29 PID 1948 wrote to memory of 1688 1948 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 29 PID 1948 wrote to memory of 1688 1948 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 29 PID 572 wrote to memory of 1780 572 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 30 PID 572 wrote to memory of 1780 572 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 30 PID 572 wrote to memory of 1780 572 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 30 PID 572 wrote to memory of 1780 572 8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe 30 PID 1688 wrote to memory of 1368 1688 cmd.exe 32 PID 1688 wrote to memory of 1368 1688 cmd.exe 32 PID 1688 wrote to memory of 1368 1688 cmd.exe 32 PID 1688 wrote to memory of 1368 1688 cmd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe"C:\Users\Admin\AppData\Local\Temp\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Users\Admin\AppData\Local\Temp\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe"C:\Users\Admin\AppData\Local\Temp\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:572 -
C:\Windows\SysWOW64\taskmgr.exe"C:\Windows\System32\taskmgr.exe"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1780
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Windows\SysWOW64\PING.EXEping 1.1.1.1 -n 1 -w 10003⤵
- Runs ping.exe
PID:1368
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe
Filesize507KB
MD58b6b7954f840329e2b0f67fb851ea9a6
SHA1f62ec7c3ea1ef8d185b5f083813315e0b09a5f5f
SHA2568c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba
SHA51201036290f9cc7d637c8d1d3cca9c2201ef273596bd5bb64d7089c88f5ce68086bba955fcb4624346102bc91651eb9331824176c0bbc8c84d12fae2d33eaf9be8
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C:\Users\Admin\AppData\Local\Temp\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe
Filesize507KB
MD58b6b7954f840329e2b0f67fb851ea9a6
SHA1f62ec7c3ea1ef8d185b5f083813315e0b09a5f5f
SHA2568c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba
SHA51201036290f9cc7d637c8d1d3cca9c2201ef273596bd5bb64d7089c88f5ce68086bba955fcb4624346102bc91651eb9331824176c0bbc8c84d12fae2d33eaf9be8
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\Users\Admin\AppData\Local\Temp\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe
Filesize507KB
MD58b6b7954f840329e2b0f67fb851ea9a6
SHA1f62ec7c3ea1ef8d185b5f083813315e0b09a5f5f
SHA2568c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba
SHA51201036290f9cc7d637c8d1d3cca9c2201ef273596bd5bb64d7089c88f5ce68086bba955fcb4624346102bc91651eb9331824176c0bbc8c84d12fae2d33eaf9be8
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\Users\Admin\AppData\Local\Temp\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe
Filesize507KB
MD58b6b7954f840329e2b0f67fb851ea9a6
SHA1f62ec7c3ea1ef8d185b5f083813315e0b09a5f5f
SHA2568c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba
SHA51201036290f9cc7d637c8d1d3cca9c2201ef273596bd5bb64d7089c88f5ce68086bba955fcb4624346102bc91651eb9331824176c0bbc8c84d12fae2d33eaf9be8
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\Users\Admin\AppData\Local\Temp\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba\8c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba.exe
Filesize507KB
MD58b6b7954f840329e2b0f67fb851ea9a6
SHA1f62ec7c3ea1ef8d185b5f083813315e0b09a5f5f
SHA2568c99f6f03fc27560d25597b365b3d8e64560f6156c840151131d71cf5e0a1fba
SHA51201036290f9cc7d637c8d1d3cca9c2201ef273596bd5bb64d7089c88f5ce68086bba955fcb4624346102bc91651eb9331824176c0bbc8c84d12fae2d33eaf9be8