cee065a78a687c149c7c7410b734290b33ed7d665121de0283311b2c868fa117

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

pid	Process
400	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	BLOCKBUSTER.exe

Loads dropped DLL 2 IoCs

pid	Process
1004	BLOCKBUSTER.exe
1004	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

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
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

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
3552	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

pid	Process
5072	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1004	BLOCKBUSTER.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1004	BLOCKBUSTER.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe
1004	BLOCKBUSTER.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 4912	1004	BLOCKBUSTER.exe	85
PID 1004 wrote to memory of 4912	1004	BLOCKBUSTER.exe	85
PID 1004 wrote to memory of 4912	1004	BLOCKBUSTER.exe	85
PID 1004 wrote to memory of 716	1004	BLOCKBUSTER.exe	89
PID 1004 wrote to memory of 716	1004	BLOCKBUSTER.exe	89
PID 1004 wrote to memory of 716	1004	BLOCKBUSTER.exe	89
PID 1004 wrote to memory of 972	1004	BLOCKBUSTER.exe	91
PID 1004 wrote to memory of 972	1004	BLOCKBUSTER.exe	91
PID 1004 wrote to memory of 972	1004	BLOCKBUSTER.exe	91
PID 716 wrote to memory of 5072	716	cmd.exe	95
PID 716 wrote to memory of 5072	716	cmd.exe	95
PID 716 wrote to memory of 5072	716	cmd.exe	95
PID 972 wrote to memory of 400	972	cmd.exe	94
PID 972 wrote to memory of 400	972	cmd.exe	94
PID 972 wrote to memory of 400	972	cmd.exe	94
PID 1004 wrote to memory of 4352	1004	BLOCKBUSTER.exe	101
PID 1004 wrote to memory of 4352	1004	BLOCKBUSTER.exe	101
PID 1004 wrote to memory of 4352	1004	BLOCKBUSTER.exe	101
PID 4352 wrote to memory of 3552	4352	cmd.exe	103
PID 4352 wrote to memory of 3552	4352	cmd.exe	103
PID 4352 wrote to memory of 3552	4352	cmd.exe	103

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:1004
- C:\Windows\SysWOW64\SCHTASKS.exe
  SCHTASKS /Query /TN "BLOCKBUSTER"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4912
- 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:716
- - 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:5072
- 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:972
- - 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:400
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ipconfig /flushdns
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4352
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /flushdns
    3⤵
    - System Location Discovery: System Language Discovery
    - Gathers network information
    PID:3552

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
37906ed8ad2f27ac7c5ee75bfd9ef58e

SHA1
453af6cfd82ac47bdcb1e8aed0f6be93e57871c3

SHA256
a7dccf360d44c2c985f5d8a34ed631d25895dba72c8b87233f1fdade74554d16

SHA512
7bf8878a94653e71b34d98dfb21d57e1dc0e90d9fe1ec8f30c7608490cdd5f20e96fbf5dbea7327b14d9465ef5c955f92acc5bc8642843ec853bf9ff005c7365

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/1004-1-0x0000000005570000-0x000000000A12B000-memory.dmp

Filesize
75.7MB

Download
memory/1004-50-0x0000000005570000-0x000000000A12B000-memory.dmp

Filesize
75.7MB

Download
memory/1004-6-0x0000000004510000-0x0000000004511000-memory.dmp

Filesize
4KB

Download
memory/1004-10-0x000000000BAF0000-0x000000000BB58000-memory.dmp

Filesize
416KB

Download
memory/1004-13-0x0000000000400000-0x0000000000D36000-memory.dmp

Filesize
9.2MB

Download
memory/1004-14-0x0000000005570000-0x000000000A12B000-memory.dmp

Filesize
75.7MB

Download
memory/1004-26-0x0000000000400000-0x0000000000D36000-memory.dmp

Filesize
9.2MB

Download
memory/1004-0-0x0000000004510000-0x0000000004511000-memory.dmp

Filesize
4KB

Download
memory/1004-27-0x0000000005570000-0x000000000A12B000-memory.dmp

Filesize
75.7MB

Download
memory/1004-30-0x0000000005570000-0x000000000A12B000-memory.dmp

Filesize
75.7MB

Download
memory/1004-32-0x0000000005570000-0x000000000A12B000-memory.dmp

Filesize
75.7MB

Download
memory/1004-5-0x0000000005570000-0x000000000A12B000-memory.dmp

Filesize
75.7MB

Download
memory/1004-34-0x0000000005570000-0x000000000A12B000-memory.dmp

Filesize
75.7MB

Download
memory/1004-36-0x0000000005570000-0x000000000A12B000-memory.dmp

Filesize
75.7MB

Download
memory/1004-38-0x0000000005570000-0x000000000A12B000-memory.dmp

Filesize
75.7MB

Download
memory/1004-40-0x0000000005570000-0x000000000A12B000-memory.dmp

Filesize
75.7MB

Download
memory/1004-44-0x0000000005570000-0x000000000A12B000-memory.dmp

Filesize
75.7MB

Download
memory/1004-48-0x0000000005570000-0x000000000A12B000-memory.dmp

Filesize
75.7MB

Download
memory/1004-4-0x0000000000400000-0x0000000000D36000-memory.dmp

Filesize
9.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads