87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14

General

Target

87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Size

96KB
MD5

d5167afb921f83a91c09f52946764b17
SHA1

787a55b0b5ea209292341057c4cbb6cb7a6e8d8a
SHA256

87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14
SHA512

26d8a871209fc567b3d3de53ea2f0aeb17538062b52946a9417e313e71508242cd36bca9ff8a91e19aeca85c3cf9d522e5a36f941d8fc29a7bfb8b8a028ad34e
SSDEEP

3072:W0JwRyxsunlcBKW73E7R3a9EYvhOxCcccuSjzAn4yT5oxEghTrwiBqRToUZZMUNL:W0JwRyxsunlcBKW73E7R3a9EYvhOxCcs

Score

10^/10

evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\eta\hosts	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2380	taskkill.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.IE\ = "IE"	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\NeverShowExt = "1"	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open\command	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\DefaultIcon	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\DefaultIcon\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE,0"	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.IE	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\ = "????"	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open\command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE "	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4216	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Token: SeDebugPrivilege	2380	taskkill.exe
Token: SeDebugPrivilege	2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Token: SeDebugPrivilege	2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Token: SeDebugPrivilege	2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Token: SeDebugPrivilege	2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
Token: SeDebugPrivilege	2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2380	2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe	75
PID 2228 wrote to memory of 2380	2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe	75
PID 2228 wrote to memory of 2380	2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe	75
PID 2228 wrote to memory of 3732	2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe	78
PID 2228 wrote to memory of 3732	2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe	78
PID 2228 wrote to memory of 3732	2228	87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe	78
PID 3732 wrote to memory of 4216	3732	cmd.exe	80
PID 3732 wrote to memory of 4216	3732	cmd.exe	80
PID 3732 wrote to memory of 4216	3732	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe
"C:\Users\Admin\AppData\Local\Temp\87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Drops file in Drivers directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im ZhuDongFangyu.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2380
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ping 127.0.0.1 -n 1 && del "C:\Users\Admin\AppData\Local\Temp\87e93577b89abbd3b6dc7fd57397b390928d7e6f6c8354464e67e7d6fc193f14.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3732
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:4216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2228-132-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2228-137-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads