861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7

General

Target

861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
Size

350KB
MD5

91040f918e84da7c5fc516fb7f00dfb0
SHA1

faa91ea6fe580dd9540908ae9b55118b862e3e00
SHA256

861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7
SHA512

47436b8e4698caf6c086d2432c52346fd1f8a0c994f479c6b6be7308726cf9039dd199f4f6c9d1079ac37d6eab5717293dd784178475b34ddd6eaec272c60f30
SSDEEP

6144:nyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:n3BdQLL4BE93NGVYZX9BukJlwxSJdEm

Score

8^/10

adware discovery exploit persistence stealer upx

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

Processes:

861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\1a368710.sys	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
File created	C:\Windows\SysWOW64\drivers\669db296.sys	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

108 takeown.exe
796 icacls.exe

pid	process
108	takeown.exe
796	icacls.exe

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\669db296\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\669db296.sys"	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\1a368710\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\1a368710.sys"	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1524-55-0x0000000001000000-0x000000000112D000-memory.dmp	upx
behavioral1/memory/1524-56-0x0000000001000000-0x000000000112D000-memory.dmp	upx
behavioral1/memory/1524-61-0x0000000001000000-0x000000000112D000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

824 cmd.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

108 takeown.exe
796 icacls.exe

pid	process
824	cmd.exe

pid	process
108	takeown.exe
796	icacls.exe

Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

Drops file in System32 directory 5 IoCs

Processes:

861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

description	ioc	process
File created	C:\Windows\SysWOW64\wshtcpip.dll	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
File opened for modification	C:\Windows\SysWOW64\goodsb.dll	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
File created	C:\Windows\SysWOW64\goodsb.dll	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
File created	C:\Windows\SysWOW64\ws2tcpip.dll	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
File opened for modification	C:\Windows\SysWOW64\ws2tcpip.dll	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

Modifies registry class 4 IoCs

Processes:

861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID\name = "861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe"	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL\name = "uDHsY.dll"	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

pid	process
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

Suspicious behavior: LoadsDriver 5 IoCs

Processes:

861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

pid	process
460
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
460
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exetakeown.exe

description	pid	process
Token: SeDebugPrivilege	1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
Token: SeTakeOwnershipPrivilege	108	takeown.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.execmd.exe

description	pid	process	target process
PID 1524 wrote to memory of 568	1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe	cmd.exe
PID 1524 wrote to memory of 568	1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe	cmd.exe
PID 1524 wrote to memory of 568	1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe	cmd.exe
PID 1524 wrote to memory of 568	1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe	cmd.exe
PID 568 wrote to memory of 108	568	cmd.exe	takeown.exe
PID 568 wrote to memory of 108	568	cmd.exe	takeown.exe
PID 568 wrote to memory of 108	568	cmd.exe	takeown.exe
PID 568 wrote to memory of 108	568	cmd.exe	takeown.exe
PID 568 wrote to memory of 796	568	cmd.exe	icacls.exe
PID 568 wrote to memory of 796	568	cmd.exe	icacls.exe
PID 568 wrote to memory of 796	568	cmd.exe	icacls.exe
PID 568 wrote to memory of 796	568	cmd.exe	icacls.exe
PID 1524 wrote to memory of 824	1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe	cmd.exe
PID 1524 wrote to memory of 824	1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe	cmd.exe
PID 1524 wrote to memory of 824	1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe	cmd.exe
PID 1524 wrote to memory of 824	1524	861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe
"C:\Users\Admin\AppData\Local\Temp\861da9737e373f395a73b6ef91fa496c16759baaee27a66b69dc3a6c4e881ad7.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524

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:568

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:108

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:796

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
2⤵
- Deletes itself
PID:824

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
1aeb4c0d8a3d17647db6e68619c0b653

SHA1
41f2ea60972ebd5ff09850dcf7fb04b3d642c84a

SHA256
16e21d9ea401cc782d33f5f3a4a9dd992ec33943295ff4fbc181ab194258322c

SHA512
36962bd6bb9310fa4436bce66687ad1a5ac7ef096e36fd162dc696a8d0533b820413f6c890b3234ab30184ec325338ec2b48b15e9dd3ee8466552e32be4546e1

Download Submit
memory/108-58-0x0000000000000000-mapping.dmp

Download
memory/568-57-0x0000000000000000-mapping.dmp

Download
memory/796-59-0x0000000000000000-mapping.dmp

Download
memory/824-60-0x0000000000000000-mapping.dmp

Download
memory/1524-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

Download
memory/1524-55-0x0000000001000000-0x000000000112D000-memory.dmp

Filesize
1.2MB

Download
memory/1524-56-0x0000000001000000-0x000000000112D000-memory.dmp

Filesize
1.2MB

Download
memory/1524-61-0x0000000001000000-0x000000000112D000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads