2c21ca7f232beffd48a26b0efb80cbbe93345184f29eee2cf175c73d6822c204

General

Target

KRNLWRD/krnl.exe
Size

1.5MB
MD5

b4d30c9b8d8285090d6a23f86c9d418e
SHA1

ec0749a7d4d0fe5ebcb6fe732a839c13f02bb4f8
SHA256

16a708453fef15c6949ef6278020b9df440bb5e93d2b644dacc37729f3e6c09f
SHA512

9e38805aedc2276e7fe457cb9b2f7d5432ea69049bfc1876969f072e6c73e067808072f74b9e3d97f4567ec7611e464500b229a08dd8c1737bb5ead60598cbd4
SSDEEP

12288:anWI3rG06x7+G70EE/0GGGGGGhGGGGxdoM43nwVkokblUI:anWuC0AC4ysGGGGGGhGGGGx1VpsL

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4292	1120	WerFault.exe	83

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000_Classes\Local Settings	krnl.exe

Modifies system certificate store 2 TTPs 5 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\07E032E020B72C3F192F0628A2593A19A70F069E	krnl.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\07E032E020B72C3F192F0628A2593A19A70F069E\Blob = 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	krnl.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\07E032E020B72C3F192F0628A2593A19A70F069E\Blob = 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	krnl.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\07E032E020B72C3F192F0628A2593A19A70F069E\Blob = 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	krnl.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\07E032E020B72C3F192F0628A2593A19A70F069E\Blob = 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	krnl.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1120	krnl.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1120	krnl.exe

C:\Users\Admin\AppData\Local\Temp\KRNLWRD\krnl.exe
"C:\Users\Admin\AppData\Local\Temp\KRNLWRD\krnl.exe"
1⤵
- Modifies registry class
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1120
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 2748
  2⤵
  - Program crash
  PID:4292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1120 -ip 1120
1⤵
PID:2224

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3228

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1120-133-0x0000000000EF0000-0x0000000001072000-memory.dmp

Filesize
1.5MB

Download
memory/1120-134-0x00000000060F0000-0x0000000006694000-memory.dmp

Filesize
5.6MB

Download
memory/1120-135-0x0000000005A60000-0x0000000005AF2000-memory.dmp

Filesize
584KB

Download
memory/1120-145-0x00000000068A0000-0x00000000068AA000-memory.dmp

Filesize
40KB

Download
memory/1120-146-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/1120-147-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing