3581e0be4c1e8248b9a2533eb77f00ff2aa0736499dc7cdc84679035dd4476b8

General

Target

751b303b3923e73425d72689f2241bdd.exe
Size

48KB
MD5

751b303b3923e73425d72689f2241bdd
SHA1

6cab0f37374ef05634ac4110f7382628cd5a7283
SHA256

3581e0be4c1e8248b9a2533eb77f00ff2aa0736499dc7cdc84679035dd4476b8
SHA512

9dde8567744afb7aee941b570b3dc868310101c330ca3aa7ea711d8bdadbd1fd77ad696510c3bbaabfee9e9c21438417f3fe163fb0a4d435775e22cb4189671b
SSDEEP

768:4puk4x0JxJ137DEJRuJI8+8V4abjEjahVV9E062JLLCEnX:yZ4x0JxfDEvuC8KabjEjahVV9E1Li

Score

8^/10

evasion persistence

Malware Config

Signatures

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

751b303b3923e73425d72689f2241bdd.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistrytools = "1"	751b303b3923e73425d72689f2241bdd.exe

Executes dropped EXE 2 IoCs

Processes:

service.exeservice.exe

pid	Process
2588	service.exe
2592	service.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

751b303b3923e73425d72689f2241bdd.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Windows Service = "service.exe"	751b303b3923e73425d72689f2241bdd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Service = "service.exe"	751b303b3923e73425d72689f2241bdd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

751b303b3923e73425d72689f2241bdd.exeservice.exe

description	pid	Process	procid_target
PID 1672 set thread context of 2944	1672	751b303b3923e73425d72689f2241bdd.exe	29
PID 2588 set thread context of 2592	2588	service.exe	30

Drops file in Windows directory 3 IoCs

Processes:

751b303b3923e73425d72689f2241bdd.exeservice.exe

description	ioc	Process
File created	C:\Windows\service.exe	751b303b3923e73425d72689f2241bdd.exe
File opened for modification	C:\Windows\service.exe	751b303b3923e73425d72689f2241bdd.exe
File created	C:\Windows\admintxt.txt	service.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

751b303b3923e73425d72689f2241bdd.exeservice.exe

pid	Process
1672	751b303b3923e73425d72689f2241bdd.exe
2588	service.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

751b303b3923e73425d72689f2241bdd.exe751b303b3923e73425d72689f2241bdd.exeservice.exe

description	pid	Process	procid_target
PID 1672 wrote to memory of 2944	1672	751b303b3923e73425d72689f2241bdd.exe	29
PID 1672 wrote to memory of 2944	1672	751b303b3923e73425d72689f2241bdd.exe	29
PID 1672 wrote to memory of 2944	1672	751b303b3923e73425d72689f2241bdd.exe	29
PID 1672 wrote to memory of 2944	1672	751b303b3923e73425d72689f2241bdd.exe	29
PID 1672 wrote to memory of 2944	1672	751b303b3923e73425d72689f2241bdd.exe	29
PID 1672 wrote to memory of 2944	1672	751b303b3923e73425d72689f2241bdd.exe	29
PID 1672 wrote to memory of 2944	1672	751b303b3923e73425d72689f2241bdd.exe	29
PID 1672 wrote to memory of 2944	1672	751b303b3923e73425d72689f2241bdd.exe	29
PID 2944 wrote to memory of 2588	2944	751b303b3923e73425d72689f2241bdd.exe	31
PID 2944 wrote to memory of 2588	2944	751b303b3923e73425d72689f2241bdd.exe	31
PID 2944 wrote to memory of 2588	2944	751b303b3923e73425d72689f2241bdd.exe	31
PID 2944 wrote to memory of 2588	2944	751b303b3923e73425d72689f2241bdd.exe	31
PID 2588 wrote to memory of 2592	2588	service.exe	30
PID 2588 wrote to memory of 2592	2588	service.exe	30
PID 2588 wrote to memory of 2592	2588	service.exe	30
PID 2588 wrote to memory of 2592	2588	service.exe	30
PID 2588 wrote to memory of 2592	2588	service.exe	30
PID 2588 wrote to memory of 2592	2588	service.exe	30
PID 2588 wrote to memory of 2592	2588	service.exe	30
PID 2588 wrote to memory of 2592	2588	service.exe	30

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

751b303b3923e73425d72689f2241bdd.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	751b303b3923e73425d72689f2241bdd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistrytools = "1"	751b303b3923e73425d72689f2241bdd.exe

C:\Users\Admin\AppData\Local\Temp\751b303b3923e73425d72689f2241bdd.exe
"C:\Users\Admin\AppData\Local\Temp\751b303b3923e73425d72689f2241bdd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\751b303b3923e73425d72689f2241bdd.exe
  2⤵
  - Disables RegEdit via registry modification
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2944
- - C:\Windows\service.exe
    "C:\Windows\service.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2588

C:\Windows\service.exe
1⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\service.exe

Filesize
48KB

MD5
751b303b3923e73425d72689f2241bdd

SHA1
6cab0f37374ef05634ac4110f7382628cd5a7283

SHA256
3581e0be4c1e8248b9a2533eb77f00ff2aa0736499dc7cdc84679035dd4476b8

SHA512
9dde8567744afb7aee941b570b3dc868310101c330ca3aa7ea711d8bdadbd1fd77ad696510c3bbaabfee9e9c21438417f3fe163fb0a4d435775e22cb4189671b

Download Submit
memory/2592-47-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-40-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-37-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-36-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-52-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-41-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-50-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-49-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-48-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-53-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-51-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-44-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-42-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2592-45-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2944-12-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2944-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2944-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2944-8-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2944-10-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2944-13-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2944-38-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2944-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads