eaffcfda039f36be5d2cfdbf23b9652591f198bb662693b3447f8e68d25b0401

General

Target

edcc240167e35077c60f473e962e2e48_JaffaCakes118.exe
Size

11KB
MD5

edcc240167e35077c60f473e962e2e48
SHA1

354bb7e42f870c2803f02f53b61b5b356cd2b14d
SHA256

eaffcfda039f36be5d2cfdbf23b9652591f198bb662693b3447f8e68d25b0401
SHA512

980d0042d05e6c1f98e0226af75c296c02ab44c55ee25090e3d73105f4b8d4fe54f09c441fe379342fcffe9719e5d27ff9ef986aecd86bc19d756ee1f2f965bb
SSDEEP

192:MfmuL/drfkPauGgVR2PYylm0zQ6KP1oynY7xWvRNtN:MfmK/hfkPaJgD2Px5U1Kg1N

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

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	DrDebug.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	DrDebug.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	DrDebug.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\DrDebug.exe = "C:\\Windows\\DrDebug.exe:*:Enabled:Svchost.exe"	DrDebug.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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	edcc240167e35077c60f473e962e2e48_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4592	DrDebug.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\DrDebug.exe = "C:\\W"	DrDebug.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\DrDebug.exe = "C:\\W"	DrDebug.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\DrDebug.exe	edcc240167e35077c60f473e962e2e48_JaffaCakes118.exe
File opened for modification	C:\Windows\DrDebug.exe	edcc240167e35077c60f473e962e2e48_JaffaCakes118.exe
File created	C:\Windows\del.bat	edcc240167e35077c60f473e962e2e48_JaffaCakes118.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 3 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	edcc240167e35077c60f473e962e2e48_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DrDebug.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 4592	1616	edcc240167e35077c60f473e962e2e48_JaffaCakes118.exe	87
PID 1616 wrote to memory of 4592	1616	edcc240167e35077c60f473e962e2e48_JaffaCakes118.exe	87
PID 1616 wrote to memory of 4592	1616	edcc240167e35077c60f473e962e2e48_JaffaCakes118.exe	87
PID 1616 wrote to memory of 3828	1616	edcc240167e35077c60f473e962e2e48_JaffaCakes118.exe	88
PID 1616 wrote to memory of 3828	1616	edcc240167e35077c60f473e962e2e48_JaffaCakes118.exe	88
PID 1616 wrote to memory of 3828	1616	edcc240167e35077c60f473e962e2e48_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\edcc240167e35077c60f473e962e2e48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\edcc240167e35077c60f473e962e2e48_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\DrDebug.exe
  "C:\Windows\DrDebug.exe"
  2⤵
  - Modifies firewall policy service
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:4592
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Windows\del.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3828

Network

MITRE ATT&CK Enterprise v15

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

C:\Windows\DrDebug.exe

Filesize
11KB

MD5
edcc240167e35077c60f473e962e2e48

SHA1
354bb7e42f870c2803f02f53b61b5b356cd2b14d

SHA256
eaffcfda039f36be5d2cfdbf23b9652591f198bb662693b3447f8e68d25b0401

SHA512
980d0042d05e6c1f98e0226af75c296c02ab44c55ee25090e3d73105f4b8d4fe54f09c441fe379342fcffe9719e5d27ff9ef986aecd86bc19d756ee1f2f965bb

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C:\Windows\del.bat

Filesize
158B

MD5
7af21bbb10d153a6877fa6984d8dfe70

SHA1
187325f2e9bae4405cfbb447c3687dd359a280de

SHA256
195fa22e9d2f85f03464eedf8789f9e80b4ff0a044a4ce3ca0e62db1e4b9c7a6

SHA512
f2ae35d3560786816330e258eae2554bbe09d618a16f3feed61ac22bc15ae7fce68de25ccd52e215b39d14269e0f2f21e1bcd92e312bff2cb9d20add1c987c1c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads