8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715

General

Target

8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe
Size

208KB
MD5

3330403836e0825b4fedc773518764cd
SHA1

2a778cc113b3def2423489eb6591133e9b7e7f4a
SHA256

8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715
SHA512

d51190884e8a1e6ce9337e4407de8ab07f4a0335b965871be89e6bee0a42ee901573efd3c42b3cea4093b7c4494f6e42d368c791ee1eb81b51e934d9a59fdb90
SSDEEP

3072:j2JPB2a+SQCu8gS530XNYkGHsu0yRVEA1Sby+4KC6HTJYn57W3jiJo30cCe7znzo:jSP/+SwSyYkGhV11SxFda57a/Jjrk

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 5 IoCs

pid	Process
1464	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Metropolis = "rundll32.exe C:\\Windows\\system32\\sshnas21.dll,GetHandle"	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sshnas21.dll	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
1464	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe
1464	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe
1116	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1464	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 1116	1464	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe	27
PID 1464 wrote to memory of 1116	1464	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe	27
PID 1464 wrote to memory of 1116	1464	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe	27
PID 1464 wrote to memory of 1116	1464	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe	27
PID 1464 wrote to memory of 1116	1464	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe	27
PID 1464 wrote to memory of 1116	1464	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe	27
PID 1464 wrote to memory of 1116	1464	8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe	27

C:\Users\Admin\AppData\Local\Temp\8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe
"C:\Users\Admin\AppData\Local\Temp\8cf8a69bd64972152a3e443c3c1c33d6ea3df7934640a8249a2f0f7ea0419715.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\sshnas21.dll,GetHandle
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:1116

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

C:\Windows\SysWOW64\sshnas21.dll

Filesize
173KB

MD5
077e6486675e51b229b09a992e3424b2

SHA1
baa931018013e0a8048f1bc6b940649c4611e7ef

SHA256
9c9d88027f08eb535d4680051cb0841499056098b2ea506482e5e2f0a3c13b41

SHA512
0be9a1c4bd626d0c937b2657184be9f8131c959b02ea7a02f9d7ae80d4c54fa019677678edc130364899aab407073a756f6900c37fc0c0acd1c246a1549e7ed5

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
173KB

MD5
077e6486675e51b229b09a992e3424b2

SHA1
baa931018013e0a8048f1bc6b940649c4611e7ef

SHA256
9c9d88027f08eb535d4680051cb0841499056098b2ea506482e5e2f0a3c13b41

SHA512
0be9a1c4bd626d0c937b2657184be9f8131c959b02ea7a02f9d7ae80d4c54fa019677678edc130364899aab407073a756f6900c37fc0c0acd1c246a1549e7ed5

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
173KB

MD5
077e6486675e51b229b09a992e3424b2

SHA1
baa931018013e0a8048f1bc6b940649c4611e7ef

SHA256
9c9d88027f08eb535d4680051cb0841499056098b2ea506482e5e2f0a3c13b41

SHA512
0be9a1c4bd626d0c937b2657184be9f8131c959b02ea7a02f9d7ae80d4c54fa019677678edc130364899aab407073a756f6900c37fc0c0acd1c246a1549e7ed5

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
173KB

MD5
077e6486675e51b229b09a992e3424b2

SHA1
baa931018013e0a8048f1bc6b940649c4611e7ef

SHA256
9c9d88027f08eb535d4680051cb0841499056098b2ea506482e5e2f0a3c13b41

SHA512
0be9a1c4bd626d0c937b2657184be9f8131c959b02ea7a02f9d7ae80d4c54fa019677678edc130364899aab407073a756f6900c37fc0c0acd1c246a1549e7ed5

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
173KB

MD5
077e6486675e51b229b09a992e3424b2

SHA1
baa931018013e0a8048f1bc6b940649c4611e7ef

SHA256
9c9d88027f08eb535d4680051cb0841499056098b2ea506482e5e2f0a3c13b41

SHA512
0be9a1c4bd626d0c937b2657184be9f8131c959b02ea7a02f9d7ae80d4c54fa019677678edc130364899aab407073a756f6900c37fc0c0acd1c246a1549e7ed5

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
173KB

MD5
077e6486675e51b229b09a992e3424b2

SHA1
baa931018013e0a8048f1bc6b940649c4611e7ef

SHA256
9c9d88027f08eb535d4680051cb0841499056098b2ea506482e5e2f0a3c13b41

SHA512
0be9a1c4bd626d0c937b2657184be9f8131c959b02ea7a02f9d7ae80d4c54fa019677678edc130364899aab407073a756f6900c37fc0c0acd1c246a1549e7ed5

Download Submit
memory/1116-66-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/1116-67-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/1464-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

Filesize
8KB

Download
memory/1464-60-0x0000000000240000-0x000000000025F000-memory.dmp

Filesize
124KB

Download
memory/1464-64-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1464-65-0x00000000002F0000-0x0000000000309000-memory.dmp

Filesize
100KB

Download

Analysis

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