bc04f91db833c92d04bed391c53c8382d86da119d3be0146b6a434fe23eb65d0

General

Target

57727cca8693a00ad8488c45876282b0.exe
Size

22KB
MD5

57727cca8693a00ad8488c45876282b0
SHA1

55ce4f55683ee94eb0fe2c4b6e8ecaf47303765c
SHA256

bc04f91db833c92d04bed391c53c8382d86da119d3be0146b6a434fe23eb65d0
SHA512

5899904dac8de32e2d3a4d05346cdf707cf297e406e4e9dd5904fe2c14e829ea891b107ff07bb6604c8955da07fbc51614f1f01d455afb046d798c24c0edfee6
SSDEEP

384:Piv9NM67LuJP7xaQ0xh5K+BrIyucYetD++xh1iyzknYjc5SamYhNcngkk:P0fMrL0xhNBBYetDxhY1Yjcw3vngH

Score

10^/10

evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	57727cca8693a00ad8488c45876282b0.exe

Deletes itself 1 IoCs

pid	Process
2592	cmd.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2676	taskkill.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\DefaultIcon	57727cca8693a00ad8488c45876282b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.IE	57727cca8693a00ad8488c45876282b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.IE\ = "IE"	57727cca8693a00ad8488c45876282b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\NeverShowExt = "1"	57727cca8693a00ad8488c45876282b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open\command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE "	57727cca8693a00ad8488c45876282b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open\command	57727cca8693a00ad8488c45876282b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\DefaultIcon\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE,0"	57727cca8693a00ad8488c45876282b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE	57727cca8693a00ad8488c45876282b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\ = "????"	57727cca8693a00ad8488c45876282b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell	57727cca8693a00ad8488c45876282b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open	57727cca8693a00ad8488c45876282b0.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1728	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2844	57727cca8693a00ad8488c45876282b0.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	57727cca8693a00ad8488c45876282b0.exe
Token: SeDebugPrivilege	2676	taskkill.exe
Token: SeDebugPrivilege	2844	57727cca8693a00ad8488c45876282b0.exe
Token: SeDebugPrivilege	2844	57727cca8693a00ad8488c45876282b0.exe
Token: SeDebugPrivilege	2844	57727cca8693a00ad8488c45876282b0.exe
Token: SeDebugPrivilege	2844	57727cca8693a00ad8488c45876282b0.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2844	57727cca8693a00ad8488c45876282b0.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2676	2844	57727cca8693a00ad8488c45876282b0.exe	28
PID 2844 wrote to memory of 2676	2844	57727cca8693a00ad8488c45876282b0.exe	28
PID 2844 wrote to memory of 2676	2844	57727cca8693a00ad8488c45876282b0.exe	28
PID 2844 wrote to memory of 2676	2844	57727cca8693a00ad8488c45876282b0.exe	28
PID 2844 wrote to memory of 2592	2844	57727cca8693a00ad8488c45876282b0.exe	31
PID 2844 wrote to memory of 2592	2844	57727cca8693a00ad8488c45876282b0.exe	31
PID 2844 wrote to memory of 2592	2844	57727cca8693a00ad8488c45876282b0.exe	31
PID 2844 wrote to memory of 2592	2844	57727cca8693a00ad8488c45876282b0.exe	31
PID 2592 wrote to memory of 1728	2592	cmd.exe	34
PID 2592 wrote to memory of 1728	2592	cmd.exe	34
PID 2592 wrote to memory of 1728	2592	cmd.exe	34
PID 2592 wrote to memory of 1728	2592	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\57727cca8693a00ad8488c45876282b0.exe
"C:\Users\Admin\AppData\Local\Temp\57727cca8693a00ad8488c45876282b0.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:2844
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im ZhuDongFangyu.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2676
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ping 127.0.0.1 -n 1 && del "C:\Users\Admin\AppData\Local\Temp\57727cca8693a00ad8488c45876282b0.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2592
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:1728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

1

T1564

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/2844-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2844-1-0x0000000000020000-0x0000000000022000-memory.dmp

Filesize
8KB

Download
memory/2844-4-0x000000007761F000-0x0000000077620000-memory.dmp

Filesize
4KB

Download
memory/2844-5-0x0000000077620000-0x0000000077621000-memory.dmp

Filesize
4KB

Download
memory/2844-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads