d026eeee313da4fa64baff436911968737930c2036a287ab552155b4b015077a

General

Target

d6061cfec17a7cc2ddc29b8b9e131128_JaffaCakes118.exe
Size

875KB
MD5

d6061cfec17a7cc2ddc29b8b9e131128
SHA1

6926e631edc03032df6d1a471647a316c353327e
SHA256

d026eeee313da4fa64baff436911968737930c2036a287ab552155b4b015077a
SHA512

17de41a50f695ac234a687c0b283751d1c390ed6128f58a6afd49f3c4fbe38c83693742d99fe3f2f12f0956ac514c3f39912a24eeab8c6e5d9b64ebce9e6cd32
SSDEEP

6144:nsTZgJOy+G3Fk4ETz566VgRyOJ0oDxQRHC:YZeNFO5jgRdJ8C

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\WINDOWS\\csrss.exe"	darkbot.exe

Modifies firewall policy service 3 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	darkbot.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	darkbot.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	darkbot.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\WINDOWS\csrss.exe = "C:\\WINDOWS\\winlogon.exe"	darkbot.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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	d6061cfec17a7cc2ddc29b8b9e131128_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3628	darkbot.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\mswinlogon = "C:\\WINDOWS\\mscsrss.exe"	darkbot.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\systemupdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\darkbot.exe"	darkbot.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\SysWOW64\MSWINSCK.OCX	darkbot.exe

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 2 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	d6061cfec17a7cc2ddc29b8b9e131128_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	darkbot.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3628	darkbot.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 3628	980	d6061cfec17a7cc2ddc29b8b9e131128_JaffaCakes118.exe	84
PID 980 wrote to memory of 3628	980	d6061cfec17a7cc2ddc29b8b9e131128_JaffaCakes118.exe	84
PID 980 wrote to memory of 3628	980	d6061cfec17a7cc2ddc29b8b9e131128_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\d6061cfec17a7cc2ddc29b8b9e131128_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d6061cfec17a7cc2ddc29b8b9e131128_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:980
- C:\Users\Admin\AppData\Local\Temp\darkbot.exe
  "C:\Users\Admin\AppData\Local\Temp\darkbot.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Modifies firewall policy service
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

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

C:\Users\Admin\AppData\Local\Temp\darkbot.exe

Filesize
140KB

MD5
d94c95cc1448ff398e7dd256183637ca

SHA1
9ed8845e48b686e186c1d3006f4c24c48e424eb9

SHA256
231e5e6f7aa849d4644b9f4cee99c197fbf7d84a8e7c1dc7e3103da5114e79da

SHA512
c16c6534448441ed18005d4b8266d951e881d2dd61492c809bbd3111c4e5b8a68ad655308ea4fb17cdb08cf7071ecdec0f557ab67a132751ce8a28f4d0997f36

Download Submit
memory/980-17-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads