642aeebc65589ee43e09e3d4066e9519151031c43a7daa8dd6f4823fc804d27c

Analysis

max time kernel
105s
max time network
124s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20250410-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250410-enlocale:en-usos:windows10-ltsc_2021-x64system
submitted
16/04/2025, 23:56

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General

Target
rh_0.9.0.exe
Size 494KB
Sample250416-3zalkaxtfv
SHA256 642aeebc65589ee43e09e3d4066e9519151031c43a7daa8dd6f4823fc804d27c
MD5 01670e3502fb191bc0d6f3590ad6ed89
SHA1 c22bd6859141af59062de7f68aff25177b3d56da
SHA512 2cf227cd722e68e98a87225cdeb22fcd66b4b6519ecb1e904805e60d15560b0a8b08da0f0f0e5ddcd69fc51cdc997e8e541306633296bb01eb9070bc78117960
SSDEEP 12288:Q5p1UZ32H10rH5ZVZEsh8ZskmY5a4JNXuOwhDy/K:Q5pOZGHOrH5RLG64JNXQ1g
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

discovery

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 5240 created 2656	5240	rh_0.9.0.exe	43

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rh_0.9.0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5240	rh_0.9.0.exe
5240	rh_0.9.0.exe
5240	rh_0.9.0.exe
5240	rh_0.9.0.exe
236	svchost.exe
236	svchost.exe
236	svchost.exe
236	svchost.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5240 wrote to memory of 236	5240	rh_0.9.0.exe	84
PID 5240 wrote to memory of 236	5240	rh_0.9.0.exe	84
PID 5240 wrote to memory of 236	5240	rh_0.9.0.exe	84
PID 5240 wrote to memory of 236	5240	rh_0.9.0.exe	84
PID 5240 wrote to memory of 236	5240	rh_0.9.0.exe	84

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\System32\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:236

C:\Users\Admin\AppData\Local\Temp\rh_0.9.0.exe
"C:\Users\Admin\AppData\Local\Temp\rh_0.9.0.exe"
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5240

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/236-11-0x00007FFE53070000-0x00007FFE53268000-memory.dmp

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memory/236-7-0x0000000000F00000-0x0000000000F0A000-memory.dmp

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memory/236-10-0x00000000014B0000-0x00000000018B0000-memory.dmp

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memory/236-9-0x00000000014B0000-0x00000000018B0000-memory.dmp

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memory/236-12-0x00000000014B0000-0x00000000018B0000-memory.dmp

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memory/236-14-0x0000000075EC0000-0x00000000760FA000-memory.dmp

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memory/236-15-0x00000000014B0000-0x00000000018B0000-memory.dmp

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memory/5240-2-0x00000000026D0000-0x0000000002AD0000-memory.dmp

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memory/5240-0-0x00000000026D0000-0x0000000002AD0000-memory.dmp

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memory/5240-4-0x00000000026D0000-0x0000000002AD0000-memory.dmp

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memory/5240-3-0x00007FFE53070000-0x00007FFE53268000-memory.dmp

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memory/5240-6-0x0000000075EC0000-0x00000000760FA000-memory.dmp

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memory/5240-1-0x00000000026D0000-0x0000000002AD0000-memory.dmp

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