fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1

Analysis

max time kernel
149s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03-07-2024 05:14

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General

Target

fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe
Size

225KB
MD5

760198530a0aa33c2772fb91ab0aa313
SHA1

b31a1ec4ac7a4dab6351a830e5af78b7d3fc2c94
SHA256

fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1
SHA512

fb12acef7c84393cf104242e846ff3233e25358f8cbdf814f1cad860ece64f3bf2b77827a0077ed3a970065b6461535e2049907e36140817cb0756b197f65cb4
SSDEEP

6144:TA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:TATuTAnKGwUAW3ycQqgf

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
1796	5084	WerFault.exe	winver.exe
4284	2368	WerFault.exe	fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.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 behavior: EnumeratesProcesses 2 IoCs

Processes:

fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe

pid	process
2368	fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe
2368	fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Explorer.EXE

description	pid	process
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

winver.exefdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe

pid process

5084 winver.exe
2368 fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe

pid	process
5084	winver.exe
2368	fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exewinver.exe

description	pid	process	target process
PID 2368 wrote to memory of 5084	2368	fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe	winver.exe
PID 2368 wrote to memory of 5084	2368	fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe	winver.exe
PID 2368 wrote to memory of 5084	2368	fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe	winver.exe
PID 2368 wrote to memory of 5084	2368	fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe	winver.exe
PID 5084 wrote to memory of 3548	5084	winver.exe	Explorer.EXE
PID 2368 wrote to memory of 3548	2368	fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe	Explorer.EXE
PID 2368 wrote to memory of 2660	2368	fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2660

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3548

C:\Users\Admin\AppData\Local\Temp\fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe
"C:\Users\Admin\AppData\Local\Temp\fdf148bc183acc499b6d4f8d7d95db8a846b23680bd4d4d73e5ebf6849b923a1.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2368

C:\Windows\SysWOW64\winver.exe
winver
3⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 300
4⤵
- Program crash
PID:1796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 856
3⤵
- Program crash
PID:4284

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5084 -ip 5084
1⤵
PID:4372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2368 -ip 2368
1⤵
PID:2688

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/2368-1-0x00000000046B0000-0x0000000004D08000-memory.dmp

Filesize
6.3MB

Download
memory/2368-2-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/2368-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2368-11-0x0000000005AC0000-0x00000000064C0000-memory.dmp

Filesize
10.0MB

Download
memory/2368-13-0x0000000005AC0000-0x00000000064C0000-memory.dmp

Filesize
10.0MB

Download
memory/2368-17-0x00000000046B0000-0x0000000004D08000-memory.dmp

Filesize
6.3MB

Download
memory/2660-12-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2660-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3548-4-0x0000000001230000-0x0000000001236000-memory.dmp

Filesize
24KB

Download
memory/3548-5-0x0000000001230000-0x0000000001236000-memory.dmp

Filesize
24KB

Download
memory/3548-10-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download