94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f

Analysis

max time kernel
146s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
02-07-2024 00:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe
Size

225KB
MD5

639602cab8f2176b4467eb4ec3834950
SHA1

1586528327684fef0e9290474d61e162435d781a
SHA256

94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f
SHA512

eb3413afc5c6601e622e90e45eb5da84c3c9778fe8f0d7632fcb10d62ad06b8ed00e2dcfd70ed6df31a3b74df2bb8aa8c70c186c70e177ff926b2094a259d6b0
SSDEEP

6144:nA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:nATuTAnKGwUAW3ycQqgf

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
1576	4672	WerFault.exe	winver.exe
2752	4544	WerFault.exe	94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.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\2a\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Explorer.EXE

description	pid	process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

winver.exe94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe

pid process

4672 winver.exe
4544 94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3456 Explorer.EXE

pid	process
4672	winver.exe
4544	94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe

pid	process
3456	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exewinver.exe

description	pid	process	target process
PID 4544 wrote to memory of 4672	4544	94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe	winver.exe
PID 4544 wrote to memory of 4672	4544	94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe	winver.exe
PID 4544 wrote to memory of 4672	4544	94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe	winver.exe
PID 4544 wrote to memory of 4672	4544	94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe	winver.exe
PID 4672 wrote to memory of 3456	4672	winver.exe	Explorer.EXE
PID 4544 wrote to memory of 3456	4544	94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3456

C:\Users\Admin\AppData\Local\Temp\94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe
"C:\Users\Admin\AppData\Local\Temp\94c81420672fed3a2386621a79b660a72b0ccb72de6a8301beeb5e8260a1db0f.exe"
2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4544

C:\Windows\SysWOW64\winver.exe
winver
3⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 300
4⤵
- Program crash
PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 768
3⤵
- Program crash
PID:2752

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4672 -ip 4672
1⤵
PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 4544
1⤵
PID:4496

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

Loading Replay Monitor...

Downloads

memory/3456-4-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/3456-5-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/3456-9-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/4544-1-0x0000000004780000-0x0000000004DD8000-memory.dmp

Filesize
6.3MB

Download
memory/4544-2-0x0000000002560000-0x0000000002561000-memory.dmp

Filesize
4KB

Download
memory/4544-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4544-12-0x0000000004780000-0x0000000004DD8000-memory.dmp

Filesize
6.3MB

Download