Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
02-02-2025 17:05
Static task
static1
Behavioral task
behavioral1
Sample
2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe
Resource
win10v2004-20250129-en
General
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Target
2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe
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Size
1.1MB
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MD5
37c5e2de42bc44f855e4316f85b5ed8d
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SHA1
a8743e31caac1fbb101646d43f9ce7d5479567ad
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SHA256
7d955bb75c0eb8d8c50d911cfb6320df0c7af260d16522c71b5a8e8f52d121c4
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SHA512
5a3a37ef1c204c8a55d324f6fe96a949f685aa28d11b64c949710369a9ed31d380422a6922eca8c71002922f6e1417996b33fa39d66cd6c9484f66408697a81f
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SSDEEP
24576:Eec44mam9NMNfs5KpQnBOeC+aMQNo/80:Z4hmq05KpQnB++CWr
Malware Config
Extracted
phemedrone
195.20.18.146:8080
Signatures
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Phemedrone
An information and wallet stealer written in C#.
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Phemedrone family
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3784 set thread context of 4420 3784 2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe 84 -
Program crash 1 IoCs
pid pid_target Process procid_target 4104 4420 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jsc.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3784 wrote to memory of 1940 3784 2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe 83 PID 3784 wrote to memory of 1940 3784 2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe 83 PID 3784 wrote to memory of 1940 3784 2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe 83 PID 3784 wrote to memory of 4420 3784 2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe 84 PID 3784 wrote to memory of 4420 3784 2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe 84 PID 3784 wrote to memory of 4420 3784 2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe 84 PID 3784 wrote to memory of 4420 3784 2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe 84 PID 3784 wrote to memory of 4420 3784 2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe 84 PID 3784 wrote to memory of 4420 3784 2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe 84 PID 3784 wrote to memory of 4420 3784 2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe 84 PID 3784 wrote to memory of 4420 3784 2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-02_37c5e2de42bc44f855e4316f85b5ed8d_cobalt-strike_ryuk.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3784 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"2⤵PID:1940
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"2⤵
- System Location Discovery: System Language Discovery
PID:4420 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 9283⤵
- Program crash
PID:4104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4420 -ip 44201⤵PID:2492