96f6a0d2a2c0103b735cb140e05602097b2e03951fffbc891ec09b9fe48a77e9

General

Target

BLOCKBUSTER.exe
Size

9.1MB
MD5

74d3f521a38b23cd25ed61e4f8d99f16
SHA1

c4cd0e519aeca41e94665f2c5ea60a322deb3680
SHA256

1d822b3faabb8f65fc30076d32a95757a2c369ccb64ae54572e9f562280ae845
SHA512

ec1c8b0eb895fd8947cad6126abc5bca3a712e42475228b9dcb3496098e720abb83d4cba4621edbd8d3ad7f306a5f57ced9c2c98fe2c2d0c8ebbbf99d7faf0f1
SSDEEP

196608:bmFQso3Id5AypjCIN325pMKhQaLh6sOo5LZvqy1f:OQseId5AyZIpMKVLhJtJqS

Score

8^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

4048 netsh.exe

pid	process
4048	netsh.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

Processes:

BLOCKBUSTER.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	BLOCKBUSTER.exe

Loads dropped DLL 2 IoCs

Processes:

BLOCKBUSTER.exe

pid process

4864 BLOCKBUSTER.exe
4864 BLOCKBUSTER.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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

Processes:

cmd.exeipconfig.exeBLOCKBUSTER.exeSCHTASKS.execmd.execmd.exeschtasks.exenetsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BLOCKBUSTER.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SCHTASKS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command and Scripting Interpreter
T1059

Processes:

ipconfig.exe

pid process

1340 ipconfig.exe
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

4428 schtasks.exe

pid	process
1340	ipconfig.exe

pid	process
4428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes:

BLOCKBUSTER.exe

pid	process
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

BLOCKBUSTER.exe

pid process

4864 BLOCKBUSTER.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

BLOCKBUSTER.exe

pid process

4864 BLOCKBUSTER.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

BLOCKBUSTER.exe

pid	process
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe
4864	BLOCKBUSTER.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

BLOCKBUSTER.execmd.execmd.execmd.exe

description	pid	process	target process
PID 4864 wrote to memory of 1624	4864	BLOCKBUSTER.exe	SCHTASKS.exe
PID 4864 wrote to memory of 1624	4864	BLOCKBUSTER.exe	SCHTASKS.exe
PID 4864 wrote to memory of 1624	4864	BLOCKBUSTER.exe	SCHTASKS.exe
PID 4864 wrote to memory of 3108	4864	BLOCKBUSTER.exe	cmd.exe
PID 4864 wrote to memory of 3108	4864	BLOCKBUSTER.exe	cmd.exe
PID 4864 wrote to memory of 3108	4864	BLOCKBUSTER.exe	cmd.exe
PID 4864 wrote to memory of 2552	4864	BLOCKBUSTER.exe	cmd.exe
PID 4864 wrote to memory of 2552	4864	BLOCKBUSTER.exe	cmd.exe
PID 4864 wrote to memory of 2552	4864	BLOCKBUSTER.exe	cmd.exe
PID 3108 wrote to memory of 4428	3108	cmd.exe	schtasks.exe
PID 3108 wrote to memory of 4428	3108	cmd.exe	schtasks.exe
PID 3108 wrote to memory of 4428	3108	cmd.exe	schtasks.exe
PID 2552 wrote to memory of 4048	2552	cmd.exe	netsh.exe
PID 2552 wrote to memory of 4048	2552	cmd.exe	netsh.exe
PID 2552 wrote to memory of 4048	2552	cmd.exe	netsh.exe
PID 4864 wrote to memory of 668	4864	BLOCKBUSTER.exe	cmd.exe
PID 4864 wrote to memory of 668	4864	BLOCKBUSTER.exe	cmd.exe
PID 4864 wrote to memory of 668	4864	BLOCKBUSTER.exe	cmd.exe
PID 668 wrote to memory of 1340	668	cmd.exe	ipconfig.exe
PID 668 wrote to memory of 1340	668	cmd.exe	ipconfig.exe
PID 668 wrote to memory of 1340	668	cmd.exe	ipconfig.exe

C:\Users\Admin\AppData\Local\Temp\BLOCKBUSTER.exe
"C:\Users\Admin\AppData\Local\Temp\BLOCKBUSTER.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\SysWOW64\SCHTASKS.exe
  SCHTASKS /Query /TN "BLOCKBUSTER"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1624
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C SCHTASKS /Create /F /RL HIGHEST /TN "BLOCKBUSTER" /TR "C:\Users\Admin\AppData\Local\Temp\BLOCKBUSTER.exe" /SC ONLOGON /DELAY 0001:00
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3108
- - C:\Windows\SysWOW64\schtasks.exe
    SCHTASKS /Create /F /RL HIGHEST /TN "BLOCKBUSTER" /TR "C:\Users\Admin\AppData\Local\Temp\BLOCKBUSTER.exe" /SC ONLOGON /DELAY 0001:00
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4428
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C netsh advfirewall firewall add rule name="BLOCKBUSTER" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\BLOCKBUSTER.exe" enable=yes profile=any
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\SysWOW64\netsh.exe
    netsh advfirewall firewall add rule name="BLOCKBUSTER" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\BLOCKBUSTER.exe" enable=yes profile=any
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4048
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ipconfig /flushdns
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:668
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /flushdns
    3⤵
    - System Location Discovery: System Language Discovery
    - Gathers network information
    PID:1340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

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

C:\Users\Admin\AppData\Local\Temp\hcx.dll

Filesize
398KB

MD5
287c055b14d6ab41b021486e4fef3708

SHA1
d705e8d163d60b39e0265e30a56966c58323bef3

SHA256
3976547348f3cd6887ad0bc6a1f1f54010b58ca5cc1a77a937e882def475ab9e

SHA512
fbc627c5d06ff4440d67f7fe97ad187bf6b6472ce9f0584e7ad3d1a391e7006db97d81ac6800a80bd8304172959f01a3bc72c55773d421f2332148731a71f0b1

Download Submit
C:\Users\Admin\AppData\Roaming\Scooter Software\Beyond Compare 3\BCState.xml

Filesize
309B

MD5
ccdf92a8d9300ac1730ca238ea2c54b4

SHA1
c10fbda1807e08c6166d53b10d96f7681a642130

SHA256
87ea1f3eab744a4ac8b64e5ffa60d7ac319bf57dcaed6f765c8fa064829b2da4

SHA512
9749f529b8b41bf8247a368f11f4f0dc413168c4165484b3ea124d53f9203e9bdbd7697f01ac7661c03347873aa66f3cc53494599ba2d918f82f2a956dc29850

Download Submit
C:\Users\Admin\AppData\Roaming\Scooter Software\Beyond Compare 3\BCState.xml.bak

Filesize
184B

MD5
b1f998980222af62d90b11306a64525b

SHA1
2c9f44bc26838f53085bce97010e4cd2974cfb7c

SHA256
cc5e921e3e318aa5541f24f5d72cde1f2f022010c8f39eea3fa610ad5ac5c854

SHA512
58f75af5641da479d704834c11c45ce88076e7969b05b3849a58ada125ceafef318b3b46d582d8509312737a1264eaa689a36ba9bda3618c021740f5e371dbd6

Download Submit
memory/4864-14-0x00000000056C0000-0x000000000A271000-memory.dmp

Filesize
75.7MB

Download
memory/4864-1-0x00000000056C0000-0x000000000A271000-memory.dmp

Filesize
75.7MB

Download
memory/4864-4-0x0000000000400000-0x0000000000D36000-memory.dmp

Filesize
9.2MB

Download
memory/4864-10-0x000000000BAC0000-0x000000000BB28000-memory.dmp

Filesize
416KB

Download
memory/4864-13-0x0000000000400000-0x0000000000D36000-memory.dmp

Filesize
9.2MB

Download
memory/4864-0-0x0000000004520000-0x0000000004521000-memory.dmp

Filesize
4KB

Download
memory/4864-6-0x0000000004520000-0x0000000004521000-memory.dmp

Filesize
4KB

Download
memory/4864-5-0x00000000056C0000-0x000000000A271000-memory.dmp

Filesize
75.7MB

Download
memory/4864-26-0x0000000000400000-0x0000000000D36000-memory.dmp

Filesize
9.2MB

Download
memory/4864-27-0x00000000056C0000-0x000000000A271000-memory.dmp

Filesize
75.7MB

Download
memory/4864-29-0x00000000056C0000-0x000000000A271000-memory.dmp

Filesize
75.7MB

Download
memory/4864-36-0x00000000056C0000-0x000000000A271000-memory.dmp

Filesize
75.7MB

Download
memory/4864-38-0x00000000056C0000-0x000000000A271000-memory.dmp

Filesize
75.7MB

Download
memory/4864-42-0x00000000056C0000-0x000000000A271000-memory.dmp

Filesize
75.7MB

Download
memory/4864-50-0x00000000056C0000-0x000000000A271000-memory.dmp

Filesize
75.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads