58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9

General

Target

58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
Size

329KB
MD5

0690d95426836d60499ad4d35f36c440
SHA1

2a54159692e0c6d781ccdcf42fbe20695fa6d7df
SHA256

58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9
SHA512

34e9a52d70fbcbba3c41c94743e02724c6e331b59f03369d7a75b4ab42e5bc63b69bfe7a4f318f0880e78290f8094d9bfab752f7efb185870870ccf2ddd0a18a
SSDEEP

6144:nqpxvlACym6wGGWFGDwZyoJ3fzBeM6SpktqHQI6mVk8cL3/CzYjsHh:nqjvlA06wLBHAf9eMvHwmVkhL36zYwHh

Score

8^/10

adware discovery exploit persistence stealer

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

Processes:

58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

description ioc process

File created C:\Windows\SysWOW64\drivers\4833b2eb.sys 58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
Possible privilege escalation attempt 4 IoCs
exploit

Processes:

takeown.exeicacls.exetakeown.exeicacls.exe

pid process

900 takeown.exe
1832 icacls.exe
2724 takeown.exe
1348 icacls.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\4833b2eb.sys	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

pid	process
900	takeown.exe
1832	icacls.exe
2724	takeown.exe
1348	icacls.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\4833b2eb\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\4833b2eb.sys"	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

Modifies file permissions 1 TTPs 4 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exetakeown.exeicacls.exe

pid process

2724 takeown.exe
1348 icacls.exe
900 takeown.exe
1832 icacls.exe

pid	process
2724	takeown.exe
1348	icacls.exe
900	takeown.exe
1832	icacls.exe

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

Maps connected drives based on registry 3 TTPs 3 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

Drops file in System32 directory 4 IoCs

Processes:

58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

description	ioc	process
File created	C:\Windows\SysWOW64\ws2tcpip.dll	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
File opened for modification	C:\Windows\SysWOW64\ws2tcpip.dll	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
File created	C:\Windows\SysWOW64\wshtcpip.dll	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
File created	C:\Windows\SysWOW64\midimap.dll	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

Modifies registry class 4 IoCs

Processes:

58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\HOOK_ID\name = "58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe"	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\SYS_DLL	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\SYS_DLL\name = "Gwhfurit3.dll"	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\HOOK_ID	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

pid	process
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

Suspicious behavior: LoadsDriver 2 IoCs

Processes:

58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

pid process

648
4860 58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

pid	process
648
4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exetakeown.exetakeown.exe

description	pid	process
Token: SeDebugPrivilege	4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
Token: SeTakeOwnershipPrivilege	2724	takeown.exe
Token: SeTakeOwnershipPrivilege	900	takeown.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.execmd.execmd.exe

description	pid	process	target process
PID 4860 wrote to memory of 1984	4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe	cmd.exe
PID 4860 wrote to memory of 1984	4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe	cmd.exe
PID 4860 wrote to memory of 1984	4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe	cmd.exe
PID 1984 wrote to memory of 2724	1984	cmd.exe	takeown.exe
PID 1984 wrote to memory of 2724	1984	cmd.exe	takeown.exe
PID 1984 wrote to memory of 2724	1984	cmd.exe	takeown.exe
PID 1984 wrote to memory of 1348	1984	cmd.exe	icacls.exe
PID 1984 wrote to memory of 1348	1984	cmd.exe	icacls.exe
PID 1984 wrote to memory of 1348	1984	cmd.exe	icacls.exe
PID 4860 wrote to memory of 656	4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe	cmd.exe
PID 4860 wrote to memory of 656	4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe	cmd.exe
PID 4860 wrote to memory of 656	4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe	cmd.exe
PID 656 wrote to memory of 900	656	cmd.exe	takeown.exe
PID 656 wrote to memory of 900	656	cmd.exe	takeown.exe
PID 656 wrote to memory of 900	656	cmd.exe	takeown.exe
PID 656 wrote to memory of 1832	656	cmd.exe	icacls.exe
PID 656 wrote to memory of 1832	656	cmd.exe	icacls.exe
PID 656 wrote to memory of 1832	656	cmd.exe	icacls.exe
PID 4860 wrote to memory of 1580	4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe	cmd.exe
PID 4860 wrote to memory of 1580	4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe	cmd.exe
PID 4860 wrote to memory of 1580	4860	58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe
"C:\Users\Admin\AppData\Local\Temp\58b5f8100e3cc208d45c23520cdd3aac05a89c474d7efa59a1d0c60e961b96c9.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Installs/modifies Browser Helper Object
- Maps connected drives based on registry
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4860

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c takeown /f C:\Windows\SysWOW64\wshtcpip.dll && icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
2⤵
- Suspicious use of WriteProcessMemory
PID:1984

C:\Windows\SysWOW64\takeown.exe
takeown /f C:\Windows\SysWOW64\wshtcpip.dll
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:2724

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1348

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c takeown /f C:\Windows\SysWOW64\midimap.dll && icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
2⤵
- Suspicious use of WriteProcessMemory
PID:656

C:\Windows\SysWOW64\takeown.exe
takeown /f C:\Windows\SysWOW64\midimap.dll
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:900

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1832

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
2⤵
PID:1580

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

File Permissions Modification

1

T1222

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
Filesize
181B

MD5
9eaafe8f94926d4ccc5f506bed53d5c6

SHA1
981d86b1d22869ae6582574a6638dd7bd386a098

SHA256
721ebfb279c8cca3679ae458901c0264534b4dbd93c2e1ad1fa30dc6961b4b2d

SHA512
b1f2c6c0830fcf75c3114ee12af5888953d68f666fea00f09d46233a2c59f6c74bbb1d25865e8cff0884bd488f1833cdfd3a302379a0875dc902d0d5ee4076c0

Download Submit
memory/656-139-0x0000000000000000-mapping.dmp

Download
memory/900-140-0x0000000000000000-mapping.dmp

Download
memory/1348-138-0x0000000000000000-mapping.dmp

Download
memory/1580-142-0x0000000000000000-mapping.dmp

Download
memory/1832-141-0x0000000000000000-mapping.dmp

Download
memory/1984-136-0x0000000000000000-mapping.dmp

Download
memory/2724-137-0x0000000000000000-mapping.dmp

Download
memory/4860-135-0x0000000000550000-0x0000000000570000-memory.dmp

Filesize
128KB

Download
memory/4860-132-0x0000000001000000-0x0000000001168000-memory.dmp

Filesize
1.4MB

Download
memory/4860-134-0x0000000001000000-0x0000000001168000-memory.dmp

Filesize
1.4MB

Download
memory/4860-143-0x0000000001000000-0x0000000001168000-memory.dmp

Filesize
1.4MB

Download
memory/4860-133-0x0000000000550000-0x0000000000570000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads