6afb2014d4bf787cc1be6ab92971762b183bb6a2085f6541a27621af8ac34816

Analysis

max time kernel
148s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/07/2026, 13:21

Target
libwinpthread-1.dll
Size 25.9MB
Sample260727-ql4ahatbrf
SHA256 6afb2014d4bf787cc1be6ab92971762b183bb6a2085f6541a27621af8ac34816
MD5 923545ac1dd8fd372863a02cf14f4308
SHA1 b2852912d7b36bea65221072937daf29c5ff0f4b
SHA512 b46553f73de8145a8e86169da1aaaae63d377f3dc5629143aa6971660ac36e958b77cc88186eb54491078e18acdd448190b6cb917392625638eef6eaa71eec27
SSDEEP 49152:3Fb87eqEL8ERMQsd5NFXIgNCvEPQTUVCd4qf7XqnUK7rbsr4CNj:3FkXEvsPQTUVCd4qf7XqnUK7rbsr4CNj
TLSH
T14D577B12E3D00FA9D1268A3CC6779632C6B17B51C765A58B157AD60A3E33BB05A3FF10
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Executes dropped EXE 1 IoCs

pid	Process
3172	DCRCVDrv.sys

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3516 set thread context of 1672	3516	rundll32.exe	90

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
816	Process not Found

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 1672	3516	rundll32.exe	90
PID 3516 wrote to memory of 1672	3516	rundll32.exe	90
PID 3516 wrote to memory of 1672	3516	rundll32.exe	90
PID 3516 wrote to memory of 1672	3516	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libwinpthread-1.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\regsvcs.exe"
  2⤵
  PID:1672

C:\Windows\Temp\DCRCVDrv.sys
C:\Windows\Temp\DCRCVDrv.sys
1⤵
- Executes dropped EXE
PID:3172

DCRCVDrv.sys

Path C:\Windows\Temp\DCRCVDrv.sys
Size 137KB
SHA256 87e8d39db624f37d3e77aedf487a2dfd197f71a4730ea74f4e7a4341deaec2ff
MD5 567c158ee0858f8e941d4ab7a6c18dbc
SHA1 47d922b0fd5d704025d14ef98ded46e74830a423
SHA512 f976cb8e9a2f0fc769e2e4345d18e1e9f01fdb1c4303eb20d94b625467e60ce20dd120e77a96d9ba498361dd6dc0066535404cb22cf99fc49607d1f35eaed2ab
SSDEEP 3072:6pEFTp46B6ETbeP/ItLK9Di8/4BQaeJzP:Y8Tp46B6EOLgBQX
TLSH
T10CD33A12A36550A4E977E2B8C6B65263EFF37861133547CF03608A654F23BE4B93A3D1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1672-3-0x0000000140000000-0x0000000140028000-memory.dmp

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memory/3172-2-0x0000000000010000-0x000000000003D000-memory.dmp

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memory/3172-4-0x0000000000010000-0x000000000003D000-memory.dmp

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