770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 22:43

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General

Target

770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe
Size

73KB
MD5

4b085eaee028688465987024bfca5f7b
SHA1

84ddb80dbb7fb6cddf0fcc9a17a683e828e16ed8
SHA256

770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23
SHA512

f34510cd4f9e455e3ca982fd2c5f394c9f279c6687ebcbbc64a7ad88960c4a296fcf4e9d3d8c48dc1e313c528994021e1cc03ee317e5da7431c741a89ccf93d4
SSDEEP

1536:rZqCO2BfXgTjwwy4rsp8JzEi5o0FfmGsG7rW/raJ90Qg8bd:rU2NgVnEQomlrW/cPgcd

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 10 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\UpdateSvchost = "C:\\Users\\Admin\\AppData\\Roaming\\nightupdate\\svchost.exe:*:Enabled:svchost"	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\UpdateSvchost = "C:\\Users\\Admin\\AppData\\Roaming\\nightupdate\\svchost.exe:*:Enabled:svchost"	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\UpdateSvchost = "C:\\Users\\Admin\\AppData\\Roaming\\nightupdate\\svchost.exe:*:Enabled:svchost"	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\UpdateSvchost = "C:\\Users\\Admin\\AppData\\Roaming\\nightupdate\\svchost.exe:*:Enabled:svchost"	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	svchost.exe

Executes dropped EXE 2 IoCs

pid	Process
1016	svchost.exe
1500	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1972	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe
1972	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\UpdateSvchost = "C:\\Users\\Admin\\AppData\\Roaming\\nightupdate\\svchost.exe"	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\UpdateSvchost = "C:\\Users\\Admin\\AppData\\Roaming\\nightupdate\\svchost.exe"	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1944 set thread context of 1972	1944	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	26
PID 1016 set thread context of 1500	1016	svchost.exe	28

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1972	1944	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	26
PID 1944 wrote to memory of 1972	1944	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	26
PID 1944 wrote to memory of 1972	1944	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	26
PID 1944 wrote to memory of 1972	1944	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	26
PID 1944 wrote to memory of 1972	1944	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	26
PID 1944 wrote to memory of 1972	1944	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	26
PID 1944 wrote to memory of 1972	1944	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	26
PID 1944 wrote to memory of 1972	1944	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	26
PID 1944 wrote to memory of 1972	1944	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	26
PID 1944 wrote to memory of 1972	1944	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	26
PID 1944 wrote to memory of 1972	1944	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	26
PID 1944 wrote to memory of 1972	1944	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	26
PID 1972 wrote to memory of 1016	1972	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	27
PID 1972 wrote to memory of 1016	1972	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	27
PID 1972 wrote to memory of 1016	1972	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	27
PID 1972 wrote to memory of 1016	1972	770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe	27
PID 1016 wrote to memory of 1500	1016	svchost.exe	28
PID 1016 wrote to memory of 1500	1016	svchost.exe	28
PID 1016 wrote to memory of 1500	1016	svchost.exe	28
PID 1016 wrote to memory of 1500	1016	svchost.exe	28
PID 1016 wrote to memory of 1500	1016	svchost.exe	28
PID 1016 wrote to memory of 1500	1016	svchost.exe	28
PID 1016 wrote to memory of 1500	1016	svchost.exe	28
PID 1016 wrote to memory of 1500	1016	svchost.exe	28
PID 1016 wrote to memory of 1500	1016	svchost.exe	28
PID 1016 wrote to memory of 1500	1016	svchost.exe	28
PID 1016 wrote to memory of 1500	1016	svchost.exe	28
PID 1016 wrote to memory of 1500	1016	svchost.exe	28

C:\Users\Admin\AppData\Local\Temp\770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe
"C:\Users\Admin\AppData\Local\Temp\770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe
  C:\Users\Admin\AppData\Local\Temp\770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23.exe
  2⤵
  - Modifies firewall policy service
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Users\Admin\AppData\Roaming\nightupdate\svchost.exe
    "C:\Users\Admin\AppData\Roaming\nightupdate\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1016
  - - C:\Users\Admin\AppData\Roaming\nightupdate\svchost.exe
      C:\Users\Admin\AppData\Roaming\nightupdate\svchost.exe
      4⤵
      Modifies firewall policy service
      Executes dropped EXE
      Adds Run key to start application
      PID:1500

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\nightupdate\svchost.exe

Filesize
73KB

MD5
4b085eaee028688465987024bfca5f7b

SHA1
84ddb80dbb7fb6cddf0fcc9a17a683e828e16ed8

SHA256
770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23

SHA512
f34510cd4f9e455e3ca982fd2c5f394c9f279c6687ebcbbc64a7ad88960c4a296fcf4e9d3d8c48dc1e313c528994021e1cc03ee317e5da7431c741a89ccf93d4

Download Submit
C:\Users\Admin\AppData\Roaming\nightupdate\svchost.exe

Filesize
73KB

MD5
4b085eaee028688465987024bfca5f7b

SHA1
84ddb80dbb7fb6cddf0fcc9a17a683e828e16ed8

SHA256
770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23

SHA512
f34510cd4f9e455e3ca982fd2c5f394c9f279c6687ebcbbc64a7ad88960c4a296fcf4e9d3d8c48dc1e313c528994021e1cc03ee317e5da7431c741a89ccf93d4

Download Submit
C:\Users\Admin\AppData\Roaming\nightupdate\svchost.exe

Filesize
73KB

MD5
4b085eaee028688465987024bfca5f7b

SHA1
84ddb80dbb7fb6cddf0fcc9a17a683e828e16ed8

SHA256
770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23

SHA512
f34510cd4f9e455e3ca982fd2c5f394c9f279c6687ebcbbc64a7ad88960c4a296fcf4e9d3d8c48dc1e313c528994021e1cc03ee317e5da7431c741a89ccf93d4

Download Submit
\Users\Admin\AppData\Roaming\nightupdate\svchost.exe

Filesize
73KB

MD5
4b085eaee028688465987024bfca5f7b

SHA1
84ddb80dbb7fb6cddf0fcc9a17a683e828e16ed8

SHA256
770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23

SHA512
f34510cd4f9e455e3ca982fd2c5f394c9f279c6687ebcbbc64a7ad88960c4a296fcf4e9d3d8c48dc1e313c528994021e1cc03ee317e5da7431c741a89ccf93d4

Download Submit
\Users\Admin\AppData\Roaming\nightupdate\svchost.exe

Filesize
73KB

MD5
4b085eaee028688465987024bfca5f7b

SHA1
84ddb80dbb7fb6cddf0fcc9a17a683e828e16ed8

SHA256
770705bc723d39bcc800ed1debfba6c492d5c815a74219b6d6dc41a911576e23

SHA512
f34510cd4f9e455e3ca982fd2c5f394c9f279c6687ebcbbc64a7ad88960c4a296fcf4e9d3d8c48dc1e313c528994021e1cc03ee317e5da7431c741a89ccf93d4

Download Submit
memory/1500-89-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1500-88-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1500-87-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1972-61-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1972-72-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1972-67-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1972-65-0x0000000076141000-0x0000000076143000-memory.dmp

Filesize
8KB

Download
memory/1972-64-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1972-62-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1972-66-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1972-54-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1972-60-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1972-59-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1972-58-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1972-57-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1972-55-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads