187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
04-07-2024 23:04

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General

Target

187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe
Size

225KB
MD5

ed644562e535ada93bae5ee1e8d7c6c0
SHA1

163ac6a96f8410935660c83d21a0a8658a93b31e
SHA256

187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc
SHA512

c609105b5cd7d2e81e38c4ed1eff8a56b000df6e5c04066ae3a3bc6da1d41b5a78d944c0dcdfdd3b09eb747e60918c81b5159b7b1c0edf4e14333df060ad9c6d
SSDEEP

6144:rA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:rATuTAnKGwUAW3ycQqgf

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 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3004 2628 WerFault.exe winver.exe
4852 1868 WerFault.exe 187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe
Modifies data under HKEY_USERS 1 IoCs

Processes:

svchost.exe

description ioc process

Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" svchost.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe

pid process

1868 187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe
1868 187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe

pid	pid_target	process	target process
3004	2628	WerFault.exe	winver.exe
4852	1868	WerFault.exe	187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

pid	process
1868	187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe
1868	187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Explorer.EXE

description	pid	process
Token: SeShutdownPrivilege	3264	Explorer.EXE
Token: SeCreatePagefilePrivilege	3264	Explorer.EXE
Token: SeShutdownPrivilege	3264	Explorer.EXE
Token: SeCreatePagefilePrivilege	3264	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

winver.exe187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe

pid process

2628 winver.exe
1868 187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe

pid	process
2628	winver.exe
1868	187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exewinver.exe

description	pid	process	target process
PID 1868 wrote to memory of 2628	1868	187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe	winver.exe
PID 1868 wrote to memory of 2628	1868	187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe	winver.exe
PID 1868 wrote to memory of 2628	1868	187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe	winver.exe
PID 1868 wrote to memory of 2628	1868	187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe	winver.exe
PID 2628 wrote to memory of 3264	2628	winver.exe	Explorer.EXE
PID 1868 wrote to memory of 3264	1868	187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe	Explorer.EXE
PID 1868 wrote to memory of 2456	1868	187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2456

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3264

C:\Users\Admin\AppData\Local\Temp\187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe
"C:\Users\Admin\AppData\Local\Temp\187b1929c08ac458deda0d8528a30180b80d38d28c305271ade0123aacb733fc.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1868

C:\Windows\SysWOW64\winver.exe
winver
3⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 300
4⤵
- Program crash
PID:3004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 964
3⤵
- Program crash
PID:4852

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2628 -ip 2628
1⤵
PID:1792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1868 -ip 1868
1⤵
PID:452

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1868-1-0x00000000047B0000-0x0000000004E08000-memory.dmp

Filesize
6.3MB

Download
memory/1868-2-0x0000000003E80000-0x0000000003E81000-memory.dmp

Filesize
4KB

Download
memory/1868-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1868-9-0x00000000058C0000-0x00000000062C0000-memory.dmp

Filesize
10.0MB

Download
memory/1868-13-0x00000000058C0000-0x00000000062C0000-memory.dmp

Filesize
10.0MB

Download
memory/1868-17-0x00000000047B0000-0x0000000004E08000-memory.dmp

Filesize
6.3MB

Download
memory/2456-12-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/2456-18-0x0000000000780000-0x0000000000786000-memory.dmp

Filesize
24KB

Download
memory/3264-4-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3264-5-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3264-10-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download