Analysis
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max time kernel
189s -
max time network
196s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 19:39
Static task
static1
Behavioral task
behavioral1
Sample
47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exe
Resource
win10v2004-20221111-en
General
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Target
47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exe
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Size
65KB
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MD5
a8a456649ff0c4e3c52fa6cebdfe215a
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SHA1
445278f08f8d8624d4bed768aa1c2fc26f15eefa
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SHA256
47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42
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SHA512
6020a52c02de52bc4dbe3345a9416114275c10e6dd6e8e5cb5f37dcc298a1152591ffa4f17ea20a21be0f3f6fa52aaef1d1771aa485feb1dcaaec094b8a672e8
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SSDEEP
1536:wc9nwQYsQtdFwFQ8bjaQobU52FWAltktk6y+v:MQYRdFwqoOzPFWAltktzy+v
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
zgtdcg.exepid process 888 zgtdcg.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1608 cmd.exe -
Drops file in System32 directory 2 IoCs
Processes:
47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exedescription ioc process File created C:\Windows\SysWOW64\zgtdcg.exe 47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exe File opened for modification C:\Windows\SysWOW64\zgtdcg.exe 47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
zgtdcg.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 zgtdcg.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz zgtdcg.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exedescription pid process Token: SeIncBasePriorityPrivilege 940 47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exedescription pid process target process PID 940 wrote to memory of 1608 940 47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exe cmd.exe PID 940 wrote to memory of 1608 940 47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exe cmd.exe PID 940 wrote to memory of 1608 940 47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exe cmd.exe PID 940 wrote to memory of 1608 940 47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exe"C:\Users\Admin\AppData\Local\Temp\47be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:940 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\47BE7E~1.EXE > nul2⤵
- Deletes itself
PID:1608
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C:\Windows\SysWOW64\zgtdcg.exeC:\Windows\SysWOW64\zgtdcg.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:888
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\zgtdcg.exeFilesize
65KB
MD5a8a456649ff0c4e3c52fa6cebdfe215a
SHA1445278f08f8d8624d4bed768aa1c2fc26f15eefa
SHA25647be7e763ff8a3fdc4d6f0bfbf0eea547f72457ec6ab72cb8c702e7597b6ff42
SHA5126020a52c02de52bc4dbe3345a9416114275c10e6dd6e8e5cb5f37dcc298a1152591ffa4f17ea20a21be0f3f6fa52aaef1d1771aa485feb1dcaaec094b8a672e8
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memory/940-54-0x0000000075B61000-0x0000000075B63000-memory.dmpFilesize
8KB
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memory/1608-57-0x0000000000000000-mapping.dmp