8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3

General

Target

8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe
Size

300KB
MD5

d6989a63a5b4cd8912bf79bc1d54a9bb
SHA1

29258abcbf79eb7b39d9539b485bcf03869a70e3
SHA256

8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3
SHA512

3995fd94f9176a1239be507347c63eab92d7f9a8b936d0a25a7adfc4ea59408f2ed4e2469fddd10fc0140530161506b6d6d0bfd834343a95581610fa723a16e5
SSDEEP

6144:97Lkj89csZUR7K94iF0iEaKyq+pwHreSNuQwQ9WigN:VLncsZcMxVqCmaSNP6

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 5 IoCs

pid	Process
952	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\Metropolis = "rundll32.exe C:\\Windows\\system32\\sshnas21.dll,GetHandle"	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sshnas21.dll	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
952	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe
952	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe
588	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
952	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 952 wrote to memory of 588	952	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe	28
PID 952 wrote to memory of 588	952	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe	28
PID 952 wrote to memory of 588	952	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe	28
PID 952 wrote to memory of 588	952	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe	28
PID 952 wrote to memory of 588	952	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe	28
PID 952 wrote to memory of 588	952	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe	28
PID 952 wrote to memory of 588	952	8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe	28

C:\Users\Admin\AppData\Local\Temp\8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.exe
"C:\Users\Admin\AppData\Local\Temp\8acfb07170c3c3e85f1743ec31bc248639c0bcbf7c1f613d0d31f6a113b2cfc3.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:952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\sshnas21.dll,GetHandle
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:588

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
236KB

MD5
8f6d60416be64d383c1e29e4856aa996

SHA1
1c5aa445ef5918f56286414d2269eca00516ee16

SHA256
e08f3cf58952a845ea5393f00e3e61683fa54e7979aafe47f7b863d45fab7716

SHA512
78d70b6d62f9e1852172b6e6b8c21476d254b25eea351af8f8c4b4de36058cc1957085883ac937209d666203bba75cdac36abf78d3be61877dd2c3188296925b

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
236KB

MD5
8f6d60416be64d383c1e29e4856aa996

SHA1
1c5aa445ef5918f56286414d2269eca00516ee16

SHA256
e08f3cf58952a845ea5393f00e3e61683fa54e7979aafe47f7b863d45fab7716

SHA512
78d70b6d62f9e1852172b6e6b8c21476d254b25eea351af8f8c4b4de36058cc1957085883ac937209d666203bba75cdac36abf78d3be61877dd2c3188296925b

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
236KB

MD5
8f6d60416be64d383c1e29e4856aa996

SHA1
1c5aa445ef5918f56286414d2269eca00516ee16

SHA256
e08f3cf58952a845ea5393f00e3e61683fa54e7979aafe47f7b863d45fab7716

SHA512
78d70b6d62f9e1852172b6e6b8c21476d254b25eea351af8f8c4b4de36058cc1957085883ac937209d666203bba75cdac36abf78d3be61877dd2c3188296925b

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
236KB

MD5
8f6d60416be64d383c1e29e4856aa996

SHA1
1c5aa445ef5918f56286414d2269eca00516ee16

SHA256
e08f3cf58952a845ea5393f00e3e61683fa54e7979aafe47f7b863d45fab7716

SHA512
78d70b6d62f9e1852172b6e6b8c21476d254b25eea351af8f8c4b4de36058cc1957085883ac937209d666203bba75cdac36abf78d3be61877dd2c3188296925b

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
236KB

MD5
8f6d60416be64d383c1e29e4856aa996

SHA1
1c5aa445ef5918f56286414d2269eca00516ee16

SHA256
e08f3cf58952a845ea5393f00e3e61683fa54e7979aafe47f7b863d45fab7716

SHA512
78d70b6d62f9e1852172b6e6b8c21476d254b25eea351af8f8c4b4de36058cc1957085883ac937209d666203bba75cdac36abf78d3be61877dd2c3188296925b

Download Submit
\Windows\SysWOW64\sshnas21.dll

Filesize
236KB

MD5
8f6d60416be64d383c1e29e4856aa996

SHA1
1c5aa445ef5918f56286414d2269eca00516ee16

SHA256
e08f3cf58952a845ea5393f00e3e61683fa54e7979aafe47f7b863d45fab7716

SHA512
78d70b6d62f9e1852172b6e6b8c21476d254b25eea351af8f8c4b4de36058cc1957085883ac937209d666203bba75cdac36abf78d3be61877dd2c3188296925b

Download Submit
memory/588-66-0x0000000010000000-0x000000001005D000-memory.dmp

Filesize
372KB

Download
memory/588-67-0x0000000010000000-0x000000001005D000-memory.dmp

Filesize
372KB

Download
memory/952-58-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/952-59-0x0000000000380000-0x0000000000392000-memory.dmp

Filesize
72KB

Download
memory/952-54-0x0000000075591000-0x0000000075593000-memory.dmp

Filesize
8KB

Download
memory/952-55-0x0000000000340000-0x000000000034A000-memory.dmp

Filesize
40KB

Download

Analysis

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