d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6

General

Target

d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6.exe
Size

36KB
MD5

2e79af552fa6d3bd2cb654cc0f15cd76
SHA1

6fb5432411473781c8ccdf1e597400bbdc158e47
SHA256

d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6
SHA512

8a764df6346114fce2a8f68badd94ff840aa1dc3b3e16400e36268789fdcd11fde6baa44d9bfec799426d2add7a8d4166680a0a24bde1297284dbbe3fd4a436b
SSDEEP

768:sVIYHMBz+C7PA4pQ3RLB4rHzdfD2W2+6z:sVTHMBzRbahNahbM+6

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2036	jusched.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1716-65-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/1716-67-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/1716-68-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/1716-71-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/1716-72-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/1716-76-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/1716-77-0x0000000000400000-0x000000000040C000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1672	d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6.exe
1672	d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java Quick Start = "C:\\Users\\Admin\\jusched.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2036 set thread context of 1716	2036	jusched.exe	28

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1672	d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6.exe
2036	jusched.exe
1716	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 2036	1672	d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6.exe	27
PID 1672 wrote to memory of 2036	1672	d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6.exe	27
PID 1672 wrote to memory of 2036	1672	d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6.exe	27
PID 1672 wrote to memory of 2036	1672	d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6.exe	27
PID 2036 wrote to memory of 1716	2036	jusched.exe	28
PID 2036 wrote to memory of 1716	2036	jusched.exe	28
PID 2036 wrote to memory of 1716	2036	jusched.exe	28
PID 2036 wrote to memory of 1716	2036	jusched.exe	28
PID 2036 wrote to memory of 1716	2036	jusched.exe	28
PID 2036 wrote to memory of 1716	2036	jusched.exe	28
PID 2036 wrote to memory of 1716	2036	jusched.exe	28
PID 2036 wrote to memory of 1716	2036	jusched.exe	28

C:\Users\Admin\AppData\Local\Temp\d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6.exe
"C:\Users\Admin\AppData\Local\Temp\d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\jusched.exe
  "C:\Users\Admin\jusched.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2036
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    - Adds Run key to start application
    - Suspicious use of SetWindowsHookEx
    PID:1716

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\jusched.exe

Filesize
36KB

MD5
2e79af552fa6d3bd2cb654cc0f15cd76

SHA1
6fb5432411473781c8ccdf1e597400bbdc158e47

SHA256
d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6

SHA512
8a764df6346114fce2a8f68badd94ff840aa1dc3b3e16400e36268789fdcd11fde6baa44d9bfec799426d2add7a8d4166680a0a24bde1297284dbbe3fd4a436b

Download Submit
\Users\Admin\jusched.exe

Filesize
36KB

MD5
2e79af552fa6d3bd2cb654cc0f15cd76

SHA1
6fb5432411473781c8ccdf1e597400bbdc158e47

SHA256
d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6

SHA512
8a764df6346114fce2a8f68badd94ff840aa1dc3b3e16400e36268789fdcd11fde6baa44d9bfec799426d2add7a8d4166680a0a24bde1297284dbbe3fd4a436b

Download Submit
\Users\Admin\jusched.exe

Filesize
36KB

MD5
2e79af552fa6d3bd2cb654cc0f15cd76

SHA1
6fb5432411473781c8ccdf1e597400bbdc158e47

SHA256
d09f758d6b59f0712c2b11b1ebe8a9b50b0f8381af7fe37239bd847e3b323db6

SHA512
8a764df6346114fce2a8f68badd94ff840aa1dc3b3e16400e36268789fdcd11fde6baa44d9bfec799426d2add7a8d4166680a0a24bde1297284dbbe3fd4a436b

Download Submit
memory/1672-56-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1716-65-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1716-64-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1716-67-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1716-68-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1716-71-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1716-72-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1716-76-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1716-77-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

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