Analysis
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max time kernel
152s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 17:48
Static task
static1
Behavioral task
behavioral1
Sample
605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a.exe
Resource
win10v2004-20220812-en
General
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Target
605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a.exe
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Size
443KB
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MD5
61d8305b0f3144a90211c6ec2983a126
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SHA1
5d5265f3335350e8d1da5d4e8d78826bc19e7781
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SHA256
605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a
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SHA512
f0d4f38ecbba8fd0a6f8297a8866a853721ad6fdcee4a3e228d6fd3f7c52d4a7b3478d666c1eb955793cfd6d259c01ad006e98080690466c993d1a30da8e23dd
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SSDEEP
6144:YITAbgaibD9Ll7oNbdyqR/QPCbaBepbVcOqOEMXA+zU7om+JN8qmP7c4H:aDIBlkjB1FbaBVNkJN8Tc4
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
system.exepid process 1688 system.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
system.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\047804f36e75d63d100178ea35bfa916 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .." system.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\047804f36e75d63d100178ea35bfa916 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .." system.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 31 IoCs
Processes:
system.exedescription pid process Token: SeDebugPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe Token: 33 1688 system.exe Token: SeIncBasePriorityPrivilege 1688 system.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a.exesystem.exedescription pid process target process PID 4928 wrote to memory of 1688 4928 605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a.exe system.exe PID 4928 wrote to memory of 1688 4928 605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a.exe system.exe PID 4928 wrote to memory of 1688 4928 605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a.exe system.exe PID 1688 wrote to memory of 1280 1688 system.exe netsh.exe PID 1688 wrote to memory of 1280 1688 system.exe netsh.exe PID 1688 wrote to memory of 1280 1688 system.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a.exe"C:\Users\Admin\AppData\Local\Temp\605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Users\Admin\AppData\Local\Temp\system.exe"C:\Users\Admin\AppData\Local\Temp\system.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:1280
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\system.exeFilesize
443KB
MD561d8305b0f3144a90211c6ec2983a126
SHA15d5265f3335350e8d1da5d4e8d78826bc19e7781
SHA256605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a
SHA512f0d4f38ecbba8fd0a6f8297a8866a853721ad6fdcee4a3e228d6fd3f7c52d4a7b3478d666c1eb955793cfd6d259c01ad006e98080690466c993d1a30da8e23dd
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C:\Users\Admin\AppData\Local\Temp\system.exeFilesize
443KB
MD561d8305b0f3144a90211c6ec2983a126
SHA15d5265f3335350e8d1da5d4e8d78826bc19e7781
SHA256605036e8b9ea6b9a0d0560300c63b69b8fd5532f62df3e09a5e82c00b16d7d8a
SHA512f0d4f38ecbba8fd0a6f8297a8866a853721ad6fdcee4a3e228d6fd3f7c52d4a7b3478d666c1eb955793cfd6d259c01ad006e98080690466c993d1a30da8e23dd
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memory/1280-139-0x0000000000000000-mapping.dmp
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memory/1688-134-0x0000000000000000-mapping.dmp
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memory/1688-138-0x0000000074B40000-0x00000000750F1000-memory.dmpFilesize
5.7MB
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memory/1688-140-0x0000000074B40000-0x00000000750F1000-memory.dmpFilesize
5.7MB
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memory/4928-132-0x0000000074B40000-0x00000000750F1000-memory.dmpFilesize
5.7MB
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memory/4928-133-0x0000000074B40000-0x00000000750F1000-memory.dmpFilesize
5.7MB
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memory/4928-137-0x0000000074B40000-0x00000000750F1000-memory.dmpFilesize
5.7MB