Analysis
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max time kernel
289s -
max time network
300s -
platform
windows10-1703_x64 -
resource
win10-20231215-en -
resource tags
arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system -
submitted
15/01/2024, 04:56
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
Extracted
lumma
https://goddirtybrilliancece.fun/api
Signatures
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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/4836-1-0x00000000003B0000-0x000000000079E000-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 behavioral2/memory/4836-1-0x00000000003B0000-0x000000000079E000-memory.dmp net_reactor -
Loads dropped DLL 1 IoCs
pid Process 4836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4836 set thread context of 2588 4836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 74 -
Program crash 2 IoCs
pid pid_target Process procid_target 2448 2588 WerFault.exe 74 2468 2588 WerFault.exe 74 -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4836 wrote to memory of 2588 4836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 74 PID 4836 wrote to memory of 2588 4836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 74 PID 4836 wrote to memory of 2588 4836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 74 PID 4836 wrote to memory of 2588 4836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 74 PID 4836 wrote to memory of 2588 4836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 74 PID 4836 wrote to memory of 2588 4836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 74 PID 4836 wrote to memory of 2588 4836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 74 PID 4836 wrote to memory of 2588 4836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 74 PID 4836 wrote to memory of 2588 4836 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe 74
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:4836 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵PID:2588
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 9563⤵
- Program crash
PID:2448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 9283⤵
- Program crash
PID:2468
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
99KB
MD50618ee732cfe3675e34fc6517bd0ad5a
SHA168734ad93a3558a9d08ece52eaff88ec4eed7c9d
SHA256040571bcd6562f8a320d1894f29e477d03ffa64487d2c3f06e434449ac1f0124
SHA5121b4b2606a83a331f8a89c81b39f5ae9c6218da00d20b3c60e0434e5ee9509b8aaae82f2ab570603aae3b66546cc291a83cdd719d7c83a4d31eb70a7b7730f93f