43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a

General

Target

43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe
Size

148KB
MD5

48355fa3f4f63c208b84a94af3a84840
SHA1

8bd54d9f08fafda89a47e0890926ae0a3a1932db
SHA256

43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a
SHA512

c2c5e5d0fd5a6a0713b05bccbc526da61e81f4274568fff5264eb876495507fa2527746ac74b7b8cd6fe7df2d3b3b8a4ac6478169636ee4a4aed9be4542d657f
SSDEEP

3072:hIZWWxukZThtCdVBJvXIATEi+S9ofjh4BwL1/BKbcltbAX24X:hIIWxu+hOVTXIAQDSifjh4Bwx/B9ltKX

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Screen Saver Pro 3.1 = "C:\\Users\\Admin\\AppData\\Roaming\\ScreenSaverPro.scr"	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1760 set thread context of 1196	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	28

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	mspaint.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1812	mspaint.exe
1812	mspaint.exe
1812	mspaint.exe
1812	mspaint.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 1316	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	27
PID 1760 wrote to memory of 1316	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	27
PID 1760 wrote to memory of 1316	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	27
PID 1760 wrote to memory of 1316	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	27
PID 1760 wrote to memory of 1316	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	27
PID 1760 wrote to memory of 1316	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	27
PID 1760 wrote to memory of 1316	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	27
PID 1760 wrote to memory of 1196	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	28
PID 1760 wrote to memory of 1196	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	28
PID 1760 wrote to memory of 1196	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	28
PID 1760 wrote to memory of 1196	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	28
PID 1316 wrote to memory of 1812	1316	svchost.exe	29
PID 1316 wrote to memory of 1812	1316	svchost.exe	29
PID 1316 wrote to memory of 1812	1316	svchost.exe	29
PID 1316 wrote to memory of 1812	1316	svchost.exe	29
PID 1760 wrote to memory of 1196	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	28
PID 1760 wrote to memory of 1196	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	28
PID 1760 wrote to memory of 1196	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	28
PID 1760 wrote to memory of 1196	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	28
PID 1760 wrote to memory of 1196	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	28
PID 1760 wrote to memory of 1196	1760	43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe	28

C:\Users\Admin\AppData\Local\Temp\43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe
"C:\Users\Admin\AppData\Local\Temp\43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1316
- - C:\Windows\SysWOW64\mspaint.exe
    "C:\Windows\system32\mspaint.exe"
    3⤵
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    PID:1812
- C:\Users\Admin\AppData\Local\Temp\43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe
  "C:\Users\Admin\AppData\Local\Temp\43eca0c1b6e74208f134d20ff283f983c030635433757dec8b9f15e0c4947c1a.exe"
  2⤵
  PID:1196

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1196-60-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1196-73-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1196-70-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1196-68-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1196-63-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1196-66-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1316-57-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1316-78-0x0000000000080000-0x00000000000A1000-memory.dmp

Filesize
132KB

Download
memory/1760-55-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1760-54-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download
memory/1760-76-0x00000000002B0000-0x00000000002C4000-memory.dmp

Filesize
80KB

Download
memory/1760-77-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1812-71-0x00000000008F1000-0x00000000008F3000-memory.dmp

Filesize
8KB

Download

Analysis

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