5cad046575f0e32b5e6fded63e48ea43683337c6ee18e2219bba8e8e8fa1e934

General

Target

5b9c80203aaa855d9ff901ff339e45a0.exe
Size

144KB
MD5

5b9c80203aaa855d9ff901ff339e45a0
SHA1

1fe0634955e39dd9fb5427989c620b5dc1616016
SHA256

5cad046575f0e32b5e6fded63e48ea43683337c6ee18e2219bba8e8e8fa1e934
SHA512

30743c41c5278a656c7b12f12785c54986e19e11fca4ee9b26025819bf37532b47cbaa0c941ea53bac01887b3b3ecec26a2d531c60bd83be837af55cc04a30cb
SSDEEP

3072:mX4ItJyAeytfNOo60kBjQx+r80hb4IoG9nIua:InySNOor9K80tNVn

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	5b9c80203aaa855d9ff901ff339e45a0.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe = "C:\\Users\\Public\\E-73473-3674-74335\\msnrsmsn.exe:*:Enabled:Microsoft3264OSUpdate"	5b9c80203aaa855d9ff901ff339e45a0.exe

Executes dropped EXE 2 IoCs

pid	Process
2608	msnrsmsn.exe
2756	msnrsmsn.exe

Loads dropped DLL 3 IoCs

pid	Process
2412	5b9c80203aaa855d9ff901ff339e45a0.exe
2412	5b9c80203aaa855d9ff901ff339e45a0.exe
2608	msnrsmsn.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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft3264OSUpdate = "C:\\Users\\Public\\E-73473-3674-74335\\msnrsmsn.exe"	5b9c80203aaa855d9ff901ff339e45a0.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1936 set thread context of 2412	1936	5b9c80203aaa855d9ff901ff339e45a0.exe	28
PID 2608 set thread context of 2756	2608	msnrsmsn.exe	30

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2412	1936	5b9c80203aaa855d9ff901ff339e45a0.exe	28
PID 1936 wrote to memory of 2412	1936	5b9c80203aaa855d9ff901ff339e45a0.exe	28
PID 1936 wrote to memory of 2412	1936	5b9c80203aaa855d9ff901ff339e45a0.exe	28
PID 1936 wrote to memory of 2412	1936	5b9c80203aaa855d9ff901ff339e45a0.exe	28
PID 1936 wrote to memory of 2412	1936	5b9c80203aaa855d9ff901ff339e45a0.exe	28
PID 1936 wrote to memory of 2412	1936	5b9c80203aaa855d9ff901ff339e45a0.exe	28
PID 1936 wrote to memory of 2412	1936	5b9c80203aaa855d9ff901ff339e45a0.exe	28
PID 1936 wrote to memory of 2412	1936	5b9c80203aaa855d9ff901ff339e45a0.exe	28
PID 1936 wrote to memory of 2412	1936	5b9c80203aaa855d9ff901ff339e45a0.exe	28
PID 2412 wrote to memory of 2608	2412	5b9c80203aaa855d9ff901ff339e45a0.exe	29
PID 2412 wrote to memory of 2608	2412	5b9c80203aaa855d9ff901ff339e45a0.exe	29
PID 2412 wrote to memory of 2608	2412	5b9c80203aaa855d9ff901ff339e45a0.exe	29
PID 2412 wrote to memory of 2608	2412	5b9c80203aaa855d9ff901ff339e45a0.exe	29
PID 2608 wrote to memory of 2756	2608	msnrsmsn.exe	30
PID 2608 wrote to memory of 2756	2608	msnrsmsn.exe	30
PID 2608 wrote to memory of 2756	2608	msnrsmsn.exe	30
PID 2608 wrote to memory of 2756	2608	msnrsmsn.exe	30
PID 2608 wrote to memory of 2756	2608	msnrsmsn.exe	30
PID 2608 wrote to memory of 2756	2608	msnrsmsn.exe	30
PID 2608 wrote to memory of 2756	2608	msnrsmsn.exe	30
PID 2608 wrote to memory of 2756	2608	msnrsmsn.exe	30
PID 2608 wrote to memory of 2756	2608	msnrsmsn.exe	30

C:\Users\Admin\AppData\Local\Temp\5b9c80203aaa855d9ff901ff339e45a0.exe
"C:\Users\Admin\AppData\Local\Temp\5b9c80203aaa855d9ff901ff339e45a0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Local\Temp\5b9c80203aaa855d9ff901ff339e45a0.exe
  "C:\Users\Admin\AppData\Local\Temp\5b9c80203aaa855d9ff901ff339e45a0.exe"
  2⤵
  - Modifies firewall policy service
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2412
- - C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe
    "C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2608
  - - C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe
      "C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe"
      4⤵
      Executes dropped EXE
      PID:2756

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Public\E-73473-3674-74335\msnrsmsn.exe

Filesize
144KB

MD5
5b9c80203aaa855d9ff901ff339e45a0

SHA1
1fe0634955e39dd9fb5427989c620b5dc1616016

SHA256
5cad046575f0e32b5e6fded63e48ea43683337c6ee18e2219bba8e8e8fa1e934

SHA512
30743c41c5278a656c7b12f12785c54986e19e11fca4ee9b26025819bf37532b47cbaa0c941ea53bac01887b3b3ecec26a2d531c60bd83be837af55cc04a30cb

Download Submit
memory/2412-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2412-2-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2412-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2412-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2412-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2412-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2412-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2412-13-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2756-42-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2756-45-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads