bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb

Analysis

max time kernel
138s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28-05-2024 02:40

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General

Target

bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe
Size

225KB
MD5

900bb4aef559b8dcc9d57b712cfc4a90
SHA1

217af38cd769b4c8b3314cd04ae72e7594bc56cd
SHA256

bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb
SHA512

7773e4b4f98dc30ba0c12b1b77765137ed0c2d52401c299118dc905a7327586f07fa6b0e1fbbe7c6ec78a9e1b131c4f57974d7ccd14053d1d4fcfa748e713f40
SSDEEP

6144:jA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:jATuTAnKGwUAW3ycQqgf

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
4800	4092	WerFault.exe	winver.exe
724	4816	WerFault.exe	bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.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:

bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe

pid	process
4816	bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe
4816	bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Explorer.EXE

description	pid	process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

winver.exebfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe

pid process

4092 winver.exe
4816 bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3536 Explorer.EXE

pid	process
4092	winver.exe
4816	bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe

pid	process
3536	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exewinver.exe

description	pid	process	target process
PID 4816 wrote to memory of 4092	4816	bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe	winver.exe
PID 4816 wrote to memory of 4092	4816	bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe	winver.exe
PID 4816 wrote to memory of 4092	4816	bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe	winver.exe
PID 4816 wrote to memory of 4092	4816	bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe	winver.exe
PID 4092 wrote to memory of 3536	4092	winver.exe	Explorer.EXE
PID 4816 wrote to memory of 3536	4816	bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe	Explorer.EXE
PID 4816 wrote to memory of 2660	4816	bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.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
- Suspicious use of UnmapMainImage
PID:3536

C:\Users\Admin\AppData\Local\Temp\bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe
"C:\Users\Admin\AppData\Local\Temp\bfe3ba75fe0b9176adef2461e1380e51e704c0453d8d338787f18e16cdb022eb.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4816

C:\Windows\SysWOW64\winver.exe
winver
3⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 300
4⤵
- Program crash
PID:4800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 888
3⤵
- Program crash
PID:724

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4092 -ip 4092
1⤵
PID:3064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4816 -ip 4816
1⤵
PID:416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2660-13-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download
memory/2660-19-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

Download
memory/3536-4-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3536-5-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3536-11-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/4816-1-0x0000000004790000-0x0000000004DE8000-memory.dmp

Filesize
6.3MB

Download
memory/4816-2-0x00000000045E0000-0x00000000045E1000-memory.dmp

Filesize
4KB

Download
memory/4816-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4816-10-0x00000000058A0000-0x00000000062A0000-memory.dmp

Filesize
10.0MB

Download
memory/4816-14-0x00000000058A0000-0x00000000062A0000-memory.dmp

Filesize
10.0MB

Download
memory/4816-18-0x0000000004790000-0x0000000004DE8000-memory.dmp

Filesize
6.3MB

Download