16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6

General

Target

16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe
Size

207KB
MD5

818b6ca7f19a09cedc7dbc19d7e007c0
SHA1

7f156d38a0e190d8fb0642af04f076b894d3f79f
SHA256

16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6
SHA512

115b73235467603bbf831ca380b65dd13fe39e68aa4490702e0cbf724f0d41e660af026ee3e79733063b7e2c5a1dbb19d0c8f11d0c912fa03e093f3e359ba8ea
SSDEEP

3072:uamgNBfISNsu4vjjjGqaZLVpELqof6xAKFwXFgFVPlSNarvwHLHM:vB1SJvjjjtaZLVpELDKFaoroHLH

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 5 IoCs

pid	Process
832	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\Metropolis = "rundll32.exe C:\\Windows\\system32\\sshnas21.dll,GetHandle"	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sshnas21.dll	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
832	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe
832	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
832	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 1448	832	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe	28
PID 832 wrote to memory of 1448	832	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe	28
PID 832 wrote to memory of 1448	832	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe	28
PID 832 wrote to memory of 1448	832	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe	28
PID 832 wrote to memory of 1448	832	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe	28
PID 832 wrote to memory of 1448	832	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe	28
PID 832 wrote to memory of 1448	832	16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe	28

C:\Users\Admin\AppData\Local\Temp\16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.exe
"C:\Users\Admin\AppData\Local\Temp\16a7320de7930d21f1443ecb3c9797e29530a29a9dcf810ae13d781ac13095e6.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:832
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\sshnas21.dll,GetHandle
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:1448

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:\Users\Admin\AppData\Local\Temp\Twain001.Mtx

Filesize
2B

MD5
309fc7d3bc53bb63ac42e359260ac740

SHA1
2064f80f811db79a33c4e51c10221454e30c74ae

SHA256
ac11339ffa8f270c4f781e0a3922bb1c80d9dee6e4b6911ca34538ed9ae03caa

SHA512
77dd27d30f4e13a0bcd6fd27ae7567c136d87393e5ee632bccf05b0a0d2bbcc2fc0fd777a8508e26cc4fc579c8da0ab56b7bf179b1adc70f28f7d0eee89fa5f8

Download Submit
C:\Windows\SysWOW64\sshnas21.dll

Filesize
171KB

MD5
17b0fc9a19753be8871c8698db7b5fda

SHA1
66f6fc2684c03193496fbc2543c4b78c71b9ce6d

SHA256
17a504e09f4c1f4c7115af2a09b141dac9a3fe7de4b65af7608f843360aa1d0f

SHA512
b5101cb6abd4484cab37af7517a3a1b2dfc3a1606f3845cfea557a69f5e80c971bfc9865b86d3688a5387c787e264fb2d581d737aaa0fb03d74151287a576c57

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
171KB

MD5
17b0fc9a19753be8871c8698db7b5fda

SHA1
66f6fc2684c03193496fbc2543c4b78c71b9ce6d

SHA256
17a504e09f4c1f4c7115af2a09b141dac9a3fe7de4b65af7608f843360aa1d0f

SHA512
b5101cb6abd4484cab37af7517a3a1b2dfc3a1606f3845cfea557a69f5e80c971bfc9865b86d3688a5387c787e264fb2d581d737aaa0fb03d74151287a576c57

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
171KB

MD5
17b0fc9a19753be8871c8698db7b5fda

SHA1
66f6fc2684c03193496fbc2543c4b78c71b9ce6d

SHA256
17a504e09f4c1f4c7115af2a09b141dac9a3fe7de4b65af7608f843360aa1d0f

SHA512
b5101cb6abd4484cab37af7517a3a1b2dfc3a1606f3845cfea557a69f5e80c971bfc9865b86d3688a5387c787e264fb2d581d737aaa0fb03d74151287a576c57

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
171KB

MD5
17b0fc9a19753be8871c8698db7b5fda

SHA1
66f6fc2684c03193496fbc2543c4b78c71b9ce6d

SHA256
17a504e09f4c1f4c7115af2a09b141dac9a3fe7de4b65af7608f843360aa1d0f

SHA512
b5101cb6abd4484cab37af7517a3a1b2dfc3a1606f3845cfea557a69f5e80c971bfc9865b86d3688a5387c787e264fb2d581d737aaa0fb03d74151287a576c57

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
171KB

MD5
17b0fc9a19753be8871c8698db7b5fda

SHA1
66f6fc2684c03193496fbc2543c4b78c71b9ce6d

SHA256
17a504e09f4c1f4c7115af2a09b141dac9a3fe7de4b65af7608f843360aa1d0f

SHA512
b5101cb6abd4484cab37af7517a3a1b2dfc3a1606f3845cfea557a69f5e80c971bfc9865b86d3688a5387c787e264fb2d581d737aaa0fb03d74151287a576c57

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
171KB

MD5
17b0fc9a19753be8871c8698db7b5fda

SHA1
66f6fc2684c03193496fbc2543c4b78c71b9ce6d

SHA256
17a504e09f4c1f4c7115af2a09b141dac9a3fe7de4b65af7608f843360aa1d0f

SHA512
b5101cb6abd4484cab37af7517a3a1b2dfc3a1606f3845cfea557a69f5e80c971bfc9865b86d3688a5387c787e264fb2d581d737aaa0fb03d74151287a576c57

Download Submit
memory/832-59-0x00000000004F0000-0x0000000000501000-memory.dmp

Filesize
68KB

Download
memory/832-58-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/832-54-0x0000000075921000-0x0000000075923000-memory.dmp

Filesize
8KB

Download
memory/832-57-0x00000000004C0000-0x00000000004E3000-memory.dmp

Filesize
140KB

Download
memory/1448-67-0x0000000010000000-0x0000000010053000-memory.dmp

Filesize
332KB

Download
memory/1448-68-0x0000000010000000-0x0000000010053000-memory.dmp

Filesize
332KB

Download

Analysis

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