a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67

General

Target

a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Size

88KB
MD5

5351b27edbb6bbf53a203b6f6e82c259
SHA1

0f67890e0cb30eb06a27746a5e0825275c8376b0
SHA256

a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67
SHA512

2973bfaedfb480bce2b9f14e3ae3e517d7d38330c672f1dc2a8c65a75af6dc0c3ccb6eee3047d828a300121590ace0672c4c057bd318b78100394ea254d8acb3
SSDEEP

1536:JzIbMeD0MjCC45sBTHzzCaPZlJd9KvhY+wdb:JzIbMeykvdPpdc4

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

Processes:

a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.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

Processes:

taskkill.exe

pid process

1364 taskkill.exe

pid	process
1364	taskkill.exe

Modifies registry class 11 IoCs

Processes:

a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open\command	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open\command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE "	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\DefaultIcon\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE,0"	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\ = "????"	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\NeverShowExt = "1"	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\DefaultIcon	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.IE	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.IE\ = "IE"	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

5024 PING.EXE

pid	process
5024	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe

pid	process
2008	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
2008	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exetaskkill.exe

description	pid	process
Token: SeDebugPrivilege	2008	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Token: SeDebugPrivilege	1364	taskkill.exe
Token: SeDebugPrivilege	2008	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Token: SeDebugPrivilege	2008	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Token: SeDebugPrivilege	2008	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
Token: SeDebugPrivilege	2008	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe

pid process

2008 a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.execmd.exe

description	pid	process	target process
PID 2008 wrote to memory of 1364	2008	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe	taskkill.exe
PID 2008 wrote to memory of 1364	2008	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe	taskkill.exe
PID 2008 wrote to memory of 1364	2008	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe	taskkill.exe
PID 2008 wrote to memory of 2096	2008	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe	cmd.exe
PID 2008 wrote to memory of 2096	2008	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe	cmd.exe
PID 2008 wrote to memory of 2096	2008	a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe	cmd.exe
PID 2096 wrote to memory of 5024	2096	cmd.exe	PING.EXE
PID 2096 wrote to memory of 5024	2096	cmd.exe	PING.EXE
PID 2096 wrote to memory of 5024	2096	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe
"C:\Users\Admin\AppData\Local\Temp\a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im ZhuDongFangyu.exe
2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1364

C:\Windows\SysWOW64\cmd.exe
cmd /c ping 127.0.0.1 -n 1 && del "C:\Users\Admin\AppData\Local\Temp\a8c1a65d0bc90e59d2cece467987d91c43e76d483184a2f9ffd8f26a8499cc67.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2096

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 1
3⤵
- Runs ping.exe
PID:5024

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/1364-135-0x0000000000000000-mapping.dmp

Download
memory/2008-136-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2008-139-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2096-137-0x0000000000000000-mapping.dmp

Download
memory/5024-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads