6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a

General

Target
jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe
Size 232KB
Sample260924-kvbzqaaa34
SHA256 6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a
MD5 532e810d6ee3238cb8d66a3085d91edc
SHA1 dd4b9573773fc8bc0ce20db631285bf80562e1c2
SHA512 1276da7309b9fb079500af0a3cab8a914757dd5bc545c40b904255350eb9bf28ceb507d78f8059b0873874266661baaed1d3d4018fb314fe3daaad33f367a1d0
SSDEEP 3072:vWm0y9bHsFeSWv0jr2lmO+Hx+Nt+11YuxtMJtzRiwJxBD4EHLFbxckrC3fAbQWfL:vR0kbHgFDxMr7psHSh4Htt
TLSH
T1FD34C62FB281D67AD72681B26E6693B411DDB83241049407FBD35F2A37F59E6873038B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery persistence

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 4 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
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"	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe

Executes dropped EXE 4 IoCs

pid	Process
4244	msnrsmsn.exe
4924	msnrsmsn.exe
1656	msnrsmsn.exe
5896	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-1-5-21-2091445952-3649787497-104050984-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft3264OSUpdate = "C:\\Users\\Public\\E-73473-3674-74335\\msnrsmsn.exe"	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 3748	2812	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe	89
PID 4244 set thread context of 1656	4244	msnrsmsn.exe	93
PID 4924 set thread context of 5896	4924	msnrsmsn.exe	94

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msnrsmsn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msnrsmsn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2812	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe
4244	msnrsmsn.exe
4924	msnrsmsn.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 3748	2812	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe	89
PID 2812 wrote to memory of 3748	2812	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe	89
PID 2812 wrote to memory of 3748	2812	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe	89
PID 2812 wrote to memory of 3748	2812	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe	89
PID 2812 wrote to memory of 3748	2812	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe	89
PID 3748 wrote to memory of 4924	3748	jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe	92
PID 4244 wrote to memory of 1656	4244	msnrsmsn.exe	93
PID 4244 wrote to memory of 1656	4244	msnrsmsn.exe	93
PID 4244 wrote to memory of 1656	4244	msnrsmsn.exe	93
PID 4244 wrote to memory of 1656	4244	msnrsmsn.exe	93
PID 4244 wrote to memory of 1656	4244	msnrsmsn.exe	93
PID 4924 wrote to memory of 5896	4924	msnrsmsn.exe	94
PID 4924 wrote to memory of 5896	4924	msnrsmsn.exe	94
PID 4924 wrote to memory of 5896	4924	msnrsmsn.exe	94
PID 4924 wrote to memory of 5896	4924	msnrsmsn.exe	94
PID 4924 wrote to memory of 5896	4924	msnrsmsn.exe	94

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a.exe"
  2⤵
  - Modifies firewall policy service
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3748
- - C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe
    "C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4924
  - - C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe
      "C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe"
      4⤵
      Executes dropped EXE
      PID:5896

C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe
C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4244
- C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe
  "C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe"
  2⤵
  - Executes dropped EXE
  PID:1656

Network

MITRE ATT&CK Enterprise v16

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

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

msnrsmsn.exe

Path C:\Users\Public\E-73473-3674-74335\msnrsmsn.exe
Size 232KB
SHA256 6730e8b18b488d0cc39a53088611edc19d6e14038b4c17b49041e83393e4a74a
MD5 532e810d6ee3238cb8d66a3085d91edc
SHA1 dd4b9573773fc8bc0ce20db631285bf80562e1c2
SHA512 1276da7309b9fb079500af0a3cab8a914757dd5bc545c40b904255350eb9bf28ceb507d78f8059b0873874266661baaed1d3d4018fb314fe3daaad33f367a1d0
SSDEEP 3072:vWm0y9bHsFeSWv0jr2lmO+Hx+Nt+11YuxtMJtzRiwJxBD4EHLFbxckrC3fAbQWfL:vR0kbHgFDxMr7psHSh4Htt
TLSH
T1FD34C62FB281D67AD72681B26E6693B411DDB83241049407FBD35F2A37F59E6873038B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1656-71-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/1656-72-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/1656-82-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2812-0-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/3748-3-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3748-5-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3748-6-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/4244-59-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/5896-77-0x0000000000400000-0x000000000040F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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