dbea031be476ef500bbf4e5e37bcad778a7061d37170a60f7275fd4aa6cba3c2

General

Target

a395a0bf98b682f6db16341299e78f08.exe
Size

205KB
MD5

a395a0bf98b682f6db16341299e78f08
SHA1

35e99981d47b4301544dcc23b37a83b15c7cb91d
SHA256

dbea031be476ef500bbf4e5e37bcad778a7061d37170a60f7275fd4aa6cba3c2
SHA512

557be6210cd43b0841fc219906cb064d2a9c8eb6f1e7b2d2d9e2ef6ca7ad8698b3c3ee80a645b3509d197e1bf69252dfae70a7d497d252c129ed05e7a319ef03
SSDEEP

3072:0IXqry+d3DxQcv7zhWPk65Ui8BhmqjNj8DCUNUO42YwHdKpUUzE0mu87xw:dQCcv7Mk6bgL5jMCeU3dRCUI0mu8

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 5 IoCs

pid	Process
2020	a395a0bf98b682f6db16341299e78f08.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Run\Metropolis = "rundll32.exe C:\\Windows\\system32\\sshnas21.dll,GetHandle"	a395a0bf98b682f6db16341299e78f08.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sshnas21.dll	a395a0bf98b682f6db16341299e78f08.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2020	a395a0bf98b682f6db16341299e78f08.exe
2020	a395a0bf98b682f6db16341299e78f08.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2020	a395a0bf98b682f6db16341299e78f08.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 2176	2020	a395a0bf98b682f6db16341299e78f08.exe	28
PID 2020 wrote to memory of 2176	2020	a395a0bf98b682f6db16341299e78f08.exe	28
PID 2020 wrote to memory of 2176	2020	a395a0bf98b682f6db16341299e78f08.exe	28
PID 2020 wrote to memory of 2176	2020	a395a0bf98b682f6db16341299e78f08.exe	28
PID 2020 wrote to memory of 2176	2020	a395a0bf98b682f6db16341299e78f08.exe	28
PID 2020 wrote to memory of 2176	2020	a395a0bf98b682f6db16341299e78f08.exe	28
PID 2020 wrote to memory of 2176	2020	a395a0bf98b682f6db16341299e78f08.exe	28

C:\Users\Admin\AppData\Local\Temp\a395a0bf98b682f6db16341299e78f08.exe
"C:\Users\Admin\AppData\Local\Temp\a395a0bf98b682f6db16341299e78f08.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:2020
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\sshnas21.dll,GetHandle
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:2176

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

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
6d5ababb65e9ff214b73e891b4afe6e8

SHA1
21ed4c7af50d987589a9029fc0422151be3a0fc2

SHA256
913da1f8df6f8fd47593840d533ba0458cc9873996bf310460abb495b34c232a

SHA512
3c00511777c24d5efc875f73192fdd9e3cabdd271bc10f89baecf460326b93051314acb748db9c2c3e3c98641dd3deb73d925bf11af0fa477bed4876ba8f404a

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
168KB

MD5
caf83e8c4079e4b6d806d7542553a3af

SHA1
32c7a0cabe6b45c1f70cfcf721df52408f081afb

SHA256
92203f4519c7389b0ae7166ddd2289a067a919b5e4aadda606f384680febcd8a

SHA512
61c50ab7b94b67160b6e81e95671bd2358d5898fe6291a4160cbc00f5287af47046f9cbc9da05bf2dca80be4bc59d3e2d79e188e9e1fa80734b0a9a26ec465f4

Download Submit
memory/2020-1-0x00000000002D0000-0x00000000002F5000-memory.dmp

Filesize
148KB

Download
memory/2020-2-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2020-8-0x00000000003E0000-0x00000000003F3000-memory.dmp

Filesize
76KB

Download
memory/2020-9-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2020-10-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2176-21-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-25-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-20-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-18-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-22-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-23-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-24-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-19-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-26-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-27-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-28-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-29-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-30-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-31-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download
memory/2176-32-0x0000000010000000-0x000000001005A000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads