c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607

General

Target

c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
Size

328KB
MD5

0375aebbe8a0bb86b8be67da3ce17a80
SHA1

1888e036a66eec5f01e9197a419890a1441aa6d1
SHA256

c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607
SHA512

505105ea9d2ec8f03981b606ecbb888264e32b9b51491e4581b4a715c4915bfbb2f93523d9cbb6e2ba8d204cf2fb573a6a23057b2ea185153c86cd3fb70bdc40
SSDEEP

6144:RyWOeLm+tkxoGQvT+W4+HMc+MEGRQ6saHSMf3z0AzbLUG50Tpm+MmvbWdlL0d5aU:RCemx0vN3HKGi6sYjJLUGGtedud5tr7

Score

8^/10

adware discovery exploit persistence stealer

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

Processes:

c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

description ioc process

File created C:\Windows\SysWOW64\drivers\40a5d629.sys c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
Possible privilege escalation attempt 4 IoCs
exploit

Processes:

takeown.exeicacls.exetakeown.exeicacls.exe

pid process

1188 takeown.exe
760 icacls.exe
1196 takeown.exe
568 icacls.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\40a5d629.sys	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

pid	process
1188	takeown.exe
760	icacls.exe
1196	takeown.exe
568	icacls.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\40a5d629\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\40a5d629.sys"	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1888 cmd.exe
Modifies file permissions 1 TTPs 4 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exetakeown.exeicacls.exe

pid process

1188 takeown.exe
760 icacls.exe
1196 takeown.exe
568 icacls.exe

pid	process
1888	cmd.exe

pid	process
1188	takeown.exe
760	icacls.exe
1196	takeown.exe
568	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:

c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.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:

c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

Drops file in System32 directory 4 IoCs

Processes:

c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

description	ioc	process
File created	C:\Windows\SysWOW64\ws2tcpip.dll	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
File opened for modification	C:\Windows\SysWOW64\ws2tcpip.dll	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
File created	C:\Windows\SysWOW64\wshtcpip.dll	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
File created	C:\Windows\SysWOW64\midimap.dll	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

Modifies registry class 4 IoCs

Processes:

c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID\name = "c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe"	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL\name = "IAeu.dll"	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

pid	process
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

Suspicious behavior: LoadsDriver 2 IoCs

Processes:

c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

pid process

464
108 c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

pid	process
464
108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exetakeown.exetakeown.exe

description	pid	process
Token: SeDebugPrivilege	108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
Token: SeTakeOwnershipPrivilege	1188	takeown.exe
Token: SeTakeOwnershipPrivilege	1196	takeown.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.execmd.execmd.exe

description	pid	process	target process
PID 108 wrote to memory of 1380	108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe	cmd.exe
PID 108 wrote to memory of 1380	108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe	cmd.exe
PID 108 wrote to memory of 1380	108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe	cmd.exe
PID 108 wrote to memory of 1380	108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe	cmd.exe
PID 1380 wrote to memory of 1188	1380	cmd.exe	takeown.exe
PID 1380 wrote to memory of 1188	1380	cmd.exe	takeown.exe
PID 1380 wrote to memory of 1188	1380	cmd.exe	takeown.exe
PID 1380 wrote to memory of 1188	1380	cmd.exe	takeown.exe
PID 1380 wrote to memory of 760	1380	cmd.exe	icacls.exe
PID 1380 wrote to memory of 760	1380	cmd.exe	icacls.exe
PID 1380 wrote to memory of 760	1380	cmd.exe	icacls.exe
PID 1380 wrote to memory of 760	1380	cmd.exe	icacls.exe
PID 108 wrote to memory of 392	108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe	cmd.exe
PID 108 wrote to memory of 392	108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe	cmd.exe
PID 108 wrote to memory of 392	108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe	cmd.exe
PID 108 wrote to memory of 392	108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe	cmd.exe
PID 392 wrote to memory of 1196	392	cmd.exe	takeown.exe
PID 392 wrote to memory of 1196	392	cmd.exe	takeown.exe
PID 392 wrote to memory of 1196	392	cmd.exe	takeown.exe
PID 392 wrote to memory of 1196	392	cmd.exe	takeown.exe
PID 392 wrote to memory of 568	392	cmd.exe	icacls.exe
PID 392 wrote to memory of 568	392	cmd.exe	icacls.exe
PID 392 wrote to memory of 568	392	cmd.exe	icacls.exe
PID 392 wrote to memory of 568	392	cmd.exe	icacls.exe
PID 108 wrote to memory of 1888	108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe	cmd.exe
PID 108 wrote to memory of 1888	108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe	cmd.exe
PID 108 wrote to memory of 1888	108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe	cmd.exe
PID 108 wrote to memory of 1888	108	c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.exe
"C:\Users\Admin\AppData\Local\Temp\c16de6c175b4587da7119989dae45b14e19b08f206164bb12e5abb744d552607.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:108

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:1380

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:1188

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:760

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:392

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:1196

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:568

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
2⤵
- Deletes itself
PID:1888

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

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Downloads

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

MD5
1239040563915e1a5f87cef10bb96ce2

SHA1
9f7d3ff12c6fde12ec67d4131f5eeb79b2e7386d

SHA256
a8f6c666cec032c1f830c9a59948f1519e1abec8a10b58ca7a84ac1d3185a332

SHA512
9d90f9acda0e1fd2c005c3b13c5d9bd98d264b151737b1bd689768b2a6e0dcf09e274f7c4a8a6c95855dc2b15668612eed118476610a4fa66f5e07afe6809b5e

Download Submit
memory/108-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download
memory/108-55-0x0000000001000000-0x000000000116A000-memory.dmp

Filesize
1.4MB

Download
memory/108-56-0x00000000002B0000-0x00000000002D0000-memory.dmp

Filesize
128KB

Download
memory/108-64-0x0000000001000000-0x000000000116A000-memory.dmp

Filesize
1.4MB

Download
memory/392-60-0x0000000000000000-mapping.dmp

Download
memory/568-62-0x0000000000000000-mapping.dmp

Download
memory/760-59-0x0000000000000000-mapping.dmp

Download
memory/1188-58-0x0000000000000000-mapping.dmp

Download
memory/1196-61-0x0000000000000000-mapping.dmp

Download
memory/1380-57-0x0000000000000000-mapping.dmp

Download
memory/1888-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads