Analysis
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max time kernel
150s -
max time network
41s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 16:33
Static task
static1
Behavioral task
behavioral1
Sample
21811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
21811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1.exe
Resource
win10v2004-20220812-en
General
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Target
21811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1.exe
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Size
530KB
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MD5
bda86539e4d6989fada77aeb10f99578
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SHA1
4c0364571a6a047bb365cba500590dc53ee3d362
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SHA256
21811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1
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SHA512
ccdaf734b4775b600ead364768a6f8aa42829cc5030fffbc155ea9c968f4eca79abeb3675c075b810831e302a403e66dc4aaab4b710d7d0f123243b83f6e587c
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SSDEEP
12288:Ac3qRM7ydh8Sy4eFVG54yiDgilSkk3kH37oPvqu69:JcM7SJy4eFVvyiDDZyS
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
Trojan.exepid process 240 Trojan.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Loads dropped DLL 1 IoCs
Processes:
21811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1.exepid process 1348 21811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Trojan.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." Trojan.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." Trojan.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
Trojan.exepid process 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe 240 Trojan.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Trojan.exedescription pid process Token: SeDebugPrivilege 240 Trojan.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
21811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1.exeTrojan.exedescription pid process target process PID 1348 wrote to memory of 240 1348 21811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1.exe Trojan.exe PID 1348 wrote to memory of 240 1348 21811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1.exe Trojan.exe PID 1348 wrote to memory of 240 1348 21811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1.exe Trojan.exe PID 1348 wrote to memory of 240 1348 21811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1.exe Trojan.exe PID 240 wrote to memory of 960 240 Trojan.exe netsh.exe PID 240 wrote to memory of 960 240 Trojan.exe netsh.exe PID 240 wrote to memory of 960 240 Trojan.exe netsh.exe PID 240 wrote to memory of 960 240 Trojan.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\21811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1.exe"C:\Users\Admin\AppData\Local\Temp\21811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Users\Admin\AppData\Local\Temp\Trojan.exe"C:\Users\Admin\AppData\Local\Temp\Trojan.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:960
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\Trojan.exeFilesize
530KB
MD5bda86539e4d6989fada77aeb10f99578
SHA14c0364571a6a047bb365cba500590dc53ee3d362
SHA25621811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1
SHA512ccdaf734b4775b600ead364768a6f8aa42829cc5030fffbc155ea9c968f4eca79abeb3675c075b810831e302a403e66dc4aaab4b710d7d0f123243b83f6e587c
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C:\Users\Admin\AppData\Local\Temp\Trojan.exeFilesize
530KB
MD5bda86539e4d6989fada77aeb10f99578
SHA14c0364571a6a047bb365cba500590dc53ee3d362
SHA25621811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1
SHA512ccdaf734b4775b600ead364768a6f8aa42829cc5030fffbc155ea9c968f4eca79abeb3675c075b810831e302a403e66dc4aaab4b710d7d0f123243b83f6e587c
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\Users\Admin\AppData\Local\Temp\Trojan.exeFilesize
530KB
MD5bda86539e4d6989fada77aeb10f99578
SHA14c0364571a6a047bb365cba500590dc53ee3d362
SHA25621811fa8e34587a4ea8fd645dc6e29d5e5c7a09ba04174c40c33ed61bbc335f1
SHA512ccdaf734b4775b600ead364768a6f8aa42829cc5030fffbc155ea9c968f4eca79abeb3675c075b810831e302a403e66dc4aaab4b710d7d0f123243b83f6e587c
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memory/240-57-0x0000000000000000-mapping.dmp
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memory/240-63-0x0000000074610000-0x0000000074BBB000-memory.dmpFilesize
5.7MB
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memory/240-65-0x0000000074610000-0x0000000074BBB000-memory.dmpFilesize
5.7MB
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memory/240-66-0x0000000000596000-0x00000000005A7000-memory.dmpFilesize
68KB
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memory/240-67-0x0000000000596000-0x00000000005A7000-memory.dmpFilesize
68KB
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memory/960-62-0x0000000000000000-mapping.dmp
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memory/1348-54-0x0000000074F41000-0x0000000074F43000-memory.dmpFilesize
8KB
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memory/1348-55-0x0000000074610000-0x0000000074BBB000-memory.dmpFilesize
5.7MB
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memory/1348-61-0x0000000074610000-0x0000000074BBB000-memory.dmpFilesize
5.7MB