22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
05-07-2024 00:43

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General

Target

22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe
Size

237KB
MD5

5e961c762853b1a0be1799b185f44be0
SHA1

9b3354c41bd7c171c4a6336ccb35df64d081f65c
SHA256

22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f
SHA512

0501a40dff86c2814c7b846bffb4af26fea45118051fdf85fa39e9e322aa1ba1971f68a98449b14e9fd62df3be4e35db89b157556bcc8188e3d6788c39c54ce3
SSDEEP

6144:kA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:kATuTAnKGwUAWVycQqgj

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

3148 1972 WerFault.exe winver.exe
2340 1552 WerFault.exe 22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.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:

22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe

pid process

1552 22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe
1552 22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe

pid	pid_target	process	target process
3148	1972	WerFault.exe	winver.exe
2340	1552	WerFault.exe	22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.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
1552	22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe
1552	22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Explorer.EXE

description	pid	process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

winver.exe22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe

pid process

1972 winver.exe
1552 22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe

pid	process
1972	winver.exe
1552	22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exewinver.exe

description	pid	process	target process
PID 1552 wrote to memory of 1972	1552	22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe	winver.exe
PID 1552 wrote to memory of 1972	1552	22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe	winver.exe
PID 1552 wrote to memory of 1972	1552	22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe	winver.exe
PID 1552 wrote to memory of 1972	1552	22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe	winver.exe
PID 1972 wrote to memory of 3500	1972	winver.exe	Explorer.EXE
PID 1552 wrote to memory of 3500	1552	22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe	Explorer.EXE
PID 1552 wrote to memory of 3156	1552	22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500

C:\Users\Admin\AppData\Local\Temp\22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe
"C:\Users\Admin\AppData\Local\Temp\22623752ba642645eace1b7cc4e4d1f7801ca5bb886c8c4cc61766ea7584a40f.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1552

C:\Windows\SysWOW64\winver.exe
winver
3⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 300
4⤵
- Program crash
PID:3148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 984
3⤵
- Program crash
PID:2340

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1972 -ip 1972
1⤵
PID:3532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1552 -ip 1552
1⤵
PID:3188

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/1552-1-0x00000000045F0000-0x0000000004C48000-memory.dmp

Filesize
6.3MB

Download
memory/1552-2-0x0000000003CC0000-0x0000000003CC1000-memory.dmp

Filesize
4KB

Download
memory/1552-6-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1552-9-0x0000000005800000-0x0000000006200000-memory.dmp

Filesize
10.0MB

Download
memory/1552-14-0x0000000005800000-0x0000000006200000-memory.dmp

Filesize
10.0MB

Download
memory/1552-18-0x00000000045F0000-0x0000000004C48000-memory.dmp

Filesize
6.3MB

Download
memory/3156-13-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/3156-19-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/3500-4-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3500-5-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3500-10-0x0000000000B80000-0x0000000000B86000-memory.dmp

Filesize
24KB

Download