Analysis
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max time kernel
120s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
14/01/2024, 22:25
Behavioral task
behavioral1
Sample
b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe
Resource
win7-20231215-en
General
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Target
b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe
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Size
3.9MB
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MD5
4f6c85b1fe3b69d8e187779ed68f38e1
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SHA1
51bf48b1dc262a36a48243ec422a67aa7389b042
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SHA256
b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553
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SHA512
4e78ae142fc65b11cef6443ff9523cb05bd65e50ddd4272d6dd0edbfddee886fd71b05157dd8361004cd0e8a65a89b8a3b7944723b965dbd75cb9045f2d24976
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SSDEEP
98304:QeXhev9Pmf3br2A1qwd59GORXnXbA4suHSIB:3Xi9Pmf32RwXwAXchuyG
Malware Config
Signatures
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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral1/memory/836-0-0x0000000000D20000-0x000000000110E000-memory.dmp family_zgrat_v1 -
.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral1/memory/836-0-0x0000000000D20000-0x000000000110E000-memory.dmp net_reactor -
Loads dropped DLL 1 IoCs
pid Process 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 836 set thread context of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28 -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 836 wrote to memory of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28 PID 836 wrote to memory of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28 PID 836 wrote to memory of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28 PID 836 wrote to memory of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28 PID 836 wrote to memory of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28 PID 836 wrote to memory of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28 PID 836 wrote to memory of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28 PID 836 wrote to memory of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28 PID 836 wrote to memory of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28 PID 836 wrote to memory of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28 PID 836 wrote to memory of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28 PID 836 wrote to memory of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28 PID 836 wrote to memory of 2980 836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe"C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:836 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵PID:2980
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Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
742KB
MD5544cd51a596619b78e9b54b70088307d
SHA14769ddd2dbc1dc44b758964ed0bd231b85880b65
SHA256dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
SHA512f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719