f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d

General

Target

f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
Size

329KB
MD5

0dd63cb1336c52ee35c8cf12438e24c0
SHA1

59fce70e86bf890802307f48836beaf8374a8ec1
SHA256

f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d
SHA512

a9aea421c8d96be9c1313920e61176ba51cf132b5b00f204008a901e54eb9482df855ba858dfa58922c7f3a89e6f71128bac6bb9de65d449a48f3fc6b921578d
SSDEEP

6144:lqpxvlACym6wGGWFGDwZyoJ3fzBeM6SpktqHQI6mVk8cL3/CzYjsHh:lqjvlA06wLBHAf9eMvHwmVkhL36zYwHh

Score

8^/10

adware discovery exploit persistence stealer

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

Processes:

f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

description ioc process

File created C:\Windows\SysWOW64\drivers\2153b862.sys f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
Possible privilege escalation attempt 4 IoCs
exploit

Processes:

takeown.exeicacls.exetakeown.exeicacls.exe

pid process

908 takeown.exe
2584 icacls.exe
1908 takeown.exe
3696 icacls.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\2153b862.sys	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

pid	process
908	takeown.exe
2584	icacls.exe
1908	takeown.exe
3696	icacls.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\2153b862\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\2153b862.sys"	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

Modifies file permissions 1 TTPs 4 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exetakeown.exeicacls.exe

pid process

908 takeown.exe
2584 icacls.exe
1908 takeown.exe
3696 icacls.exe

pid	process
908	takeown.exe
2584	icacls.exe
1908	takeown.exe
3696	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:

f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.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:

f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

Drops file in System32 directory 4 IoCs

Processes:

f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

description	ioc	process
File created	C:\Windows\SysWOW64\ws2tcpip.dll	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
File opened for modification	C:\Windows\SysWOW64\ws2tcpip.dll	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
File created	C:\Windows\SysWOW64\wshtcpip.dll	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
File created	C:\Windows\SysWOW64\midimap.dll	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

Modifies registry class 4 IoCs

Processes:

f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\HOOK_ID\name = "f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe"	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\SYS_DLL	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\SYS_DLL\name = "TDf.dll"	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\HOOK_ID	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

pid	process
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

Suspicious behavior: LoadsDriver 2 IoCs

Processes:

f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

pid process

656
4864 f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

pid	process
656
4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exetakeown.exetakeown.exe

description	pid	process
Token: SeDebugPrivilege	4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
Token: SeTakeOwnershipPrivilege	908	takeown.exe
Token: SeTakeOwnershipPrivilege	1908	takeown.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.execmd.execmd.exe

description	pid	process	target process
PID 4864 wrote to memory of 1412	4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe	cmd.exe
PID 4864 wrote to memory of 1412	4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe	cmd.exe
PID 4864 wrote to memory of 1412	4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe	cmd.exe
PID 1412 wrote to memory of 908	1412	cmd.exe	takeown.exe
PID 1412 wrote to memory of 908	1412	cmd.exe	takeown.exe
PID 1412 wrote to memory of 908	1412	cmd.exe	takeown.exe
PID 1412 wrote to memory of 2584	1412	cmd.exe	icacls.exe
PID 1412 wrote to memory of 2584	1412	cmd.exe	icacls.exe
PID 1412 wrote to memory of 2584	1412	cmd.exe	icacls.exe
PID 4864 wrote to memory of 2548	4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe	cmd.exe
PID 4864 wrote to memory of 2548	4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe	cmd.exe
PID 4864 wrote to memory of 2548	4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe	cmd.exe
PID 2548 wrote to memory of 1908	2548	cmd.exe	takeown.exe
PID 2548 wrote to memory of 1908	2548	cmd.exe	takeown.exe
PID 2548 wrote to memory of 1908	2548	cmd.exe	takeown.exe
PID 2548 wrote to memory of 3696	2548	cmd.exe	icacls.exe
PID 2548 wrote to memory of 3696	2548	cmd.exe	icacls.exe
PID 2548 wrote to memory of 3696	2548	cmd.exe	icacls.exe
PID 4864 wrote to memory of 3468	4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe	cmd.exe
PID 4864 wrote to memory of 3468	4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe	cmd.exe
PID 4864 wrote to memory of 3468	4864	f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.exe
"C:\Users\Admin\AppData\Local\Temp\f7e43cb83f2031ebcd02f418519bb8258fccf217c3f81fffb51ebfd4ab856a1d.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:4864

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:1412

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:908

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2584

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:2548

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:1908

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3696

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
2⤵
PID:3468

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
fb49294b562698fd49f5bb33858c8b28

SHA1
0d7f02c6757872dc1b6e4b1431f4f6187087e887

SHA256
22ec205a3ab325be878a27c9748257df633747eae5b6c83d8338cf12bc849413

SHA512
0e0490a211a2f59beefe67472048235bae8fb743dfa1384f04ac1d6b085a266c2186067348e79bcb94d83bf6996fc7043500b0365f0c36483ae682cb844213cb

Download Submit
memory/908-137-0x0000000000000000-mapping.dmp

Download
memory/1412-136-0x0000000000000000-mapping.dmp

Download
memory/1908-140-0x0000000000000000-mapping.dmp

Download
memory/2548-139-0x0000000000000000-mapping.dmp

Download
memory/2584-138-0x0000000000000000-mapping.dmp

Download
memory/3468-142-0x0000000000000000-mapping.dmp

Download
memory/3696-141-0x0000000000000000-mapping.dmp

Download
memory/4864-135-0x0000000000C10000-0x0000000000C30000-memory.dmp

Filesize
128KB

Download
memory/4864-132-0x0000000001000000-0x0000000001168000-memory.dmp

Filesize
1.4MB

Download
memory/4864-134-0x0000000001000000-0x0000000001168000-memory.dmp

Filesize
1.4MB

Download
memory/4864-143-0x0000000001000000-0x0000000001168000-memory.dmp

Filesize
1.4MB

Download
memory/4864-144-0x0000000000C10000-0x0000000000C30000-memory.dmp

Filesize
128KB

Download
memory/4864-133-0x0000000000C10000-0x0000000000C30000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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