25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224

General

Target

25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
Size

350KB
MD5

204bfeaaa385a07a53d0368d6ca56ad0
SHA1

c9de1a8d55452874be23182e4d7093e5a8521fb4
SHA256

25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224
SHA512

d8f382f58ccc24b7612370b0b030003da3f4bdc6273af06efc2a7dedfab02750974d52077ac7b2959be7638ae460c6d10168ea7b364124a8d21f92e0e7bf2cc7
SSDEEP

6144:pyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:p3BdQLL4BE93NGVYZX9BukJlwxSJdEm

Score

8^/10

adware discovery exploit persistence stealer upx

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

Processes:

25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\184520bf.sys	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
File created	C:\Windows\SysWOW64\drivers\64ee1539.sys	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

892 takeown.exe
392 icacls.exe

pid	process
892	takeown.exe
392	icacls.exe

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\64ee1539\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\64ee1539.sys"	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\184520bf\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\184520bf.sys"	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1896-55-0x0000000001000000-0x000000000112D000-memory.dmp	upx
behavioral1/memory/1896-60-0x0000000001000000-0x000000000112D000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1012 cmd.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

892 takeown.exe
392 icacls.exe

pid	process
1012	cmd.exe

pid	process
892	takeown.exe
392	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:

25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

Drops file in System32 directory 5 IoCs

Processes:

25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

description	ioc	process
File created	C:\Windows\SysWOW64\wshtcpip.dll	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
File opened for modification	C:\Windows\SysWOW64\goodsb.dll	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
File created	C:\Windows\SysWOW64\goodsb.dll	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
File created	C:\Windows\SysWOW64\ws2tcpip.dll	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
File opened for modification	C:\Windows\SysWOW64\ws2tcpip.dll	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

Modifies registry class 4 IoCs

Processes:

25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID\name = "25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe"	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL\name = "GyHuR.dll"	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

pid	process
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

Suspicious behavior: LoadsDriver 5 IoCs

Processes:

25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

pid	process
460
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
460
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exetakeown.exe

description	pid	process
Token: SeDebugPrivilege	1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
Token: SeTakeOwnershipPrivilege	892	takeown.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.execmd.exe

description	pid	process	target process
PID 1896 wrote to memory of 1700	1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe	cmd.exe
PID 1896 wrote to memory of 1700	1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe	cmd.exe
PID 1896 wrote to memory of 1700	1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe	cmd.exe
PID 1896 wrote to memory of 1700	1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe	cmd.exe
PID 1700 wrote to memory of 892	1700	cmd.exe	takeown.exe
PID 1700 wrote to memory of 892	1700	cmd.exe	takeown.exe
PID 1700 wrote to memory of 892	1700	cmd.exe	takeown.exe
PID 1700 wrote to memory of 892	1700	cmd.exe	takeown.exe
PID 1700 wrote to memory of 392	1700	cmd.exe	icacls.exe
PID 1700 wrote to memory of 392	1700	cmd.exe	icacls.exe
PID 1700 wrote to memory of 392	1700	cmd.exe	icacls.exe
PID 1700 wrote to memory of 392	1700	cmd.exe	icacls.exe
PID 1896 wrote to memory of 1012	1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe	cmd.exe
PID 1896 wrote to memory of 1012	1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe	cmd.exe
PID 1896 wrote to memory of 1012	1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe	cmd.exe
PID 1896 wrote to memory of 1012	1896	25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.exe
"C:\Users\Admin\AppData\Local\Temp\25acab3f5b5063c85a0d23d994a4d1755e320919e7bcedfee7ad91cf349de224.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:1896

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:1700

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:892

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:392

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
2⤵
- Deletes itself
PID:1012

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
8fc4ef2a8dfb30b508b2b1d144fbc356

SHA1
0f83d5d5a7ada6e1fa56fde8e52a980475bdecbb

SHA256
f6c5dd7517f3209e379f7ec8f88b71913ea6c176588d896ed8b1dfdf7c3724ee

SHA512
3337a3bde916b96de8d183dac99a4d996375d53d8b0ed7bf53bf9b3879e711946a2d7ad894feb567afa03be2dc46d1a7c53a2c1df666224c9b5eb3121f00b4fe

Download Submit
memory/392-58-0x0000000000000000-mapping.dmp

Download
memory/892-57-0x0000000000000000-mapping.dmp

Download
memory/1012-59-0x0000000000000000-mapping.dmp

Download
memory/1700-56-0x0000000000000000-mapping.dmp

Download
memory/1896-54-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download
memory/1896-55-0x0000000001000000-0x000000000112D000-memory.dmp

Filesize
1.2MB

Download
memory/1896-60-0x0000000001000000-0x000000000112D000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads