1658436033caa97f4dbe821eef2f1f0427cfe4b6aaeae1dbff428ea65e08d118

General

Target

348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe
Size

41KB
MD5

348311b0a982c9b93ab6cec99010398c
SHA1

fd91cb902d533412964a0006a57cf8b8f30cc115
SHA256

1658436033caa97f4dbe821eef2f1f0427cfe4b6aaeae1dbff428ea65e08d118
SHA512

0fd4549dcf9defe07bcf3c42f4777430c325b29d5949802d1d4a7c742371532e42ae624932ce247b3120f6298a71e69ea0925039982f7632c214dbd147e7df9c
SSDEEP

768:mC6qxQuiqGbx4T/AScPIuqeDP6khdFtOwMxU+RUBJvOXa+:h6qxQui3mTxuPdhLtOwyUhIt

Score

10^/10

evasion execution

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 3 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	dwm.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	dwm.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	dwm.exe

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

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-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1616	dwm.exe
4728	dwm.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	dwm.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	dwm.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	dwm.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	dwm.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\dwm.exe	348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe
File opened for modification	C:\Windows\system\dwm.exe	348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1448	sc.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	dwm.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	dwm.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	dwm.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	dwm.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	dwm.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	dwm.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	dwm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3400	348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe
3400	348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 1448	3400	348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe	83
PID 3400 wrote to memory of 1448	3400	348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe	83
PID 3400 wrote to memory of 1448	3400	348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe	83
PID 3400 wrote to memory of 1616	3400	348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe	88
PID 3400 wrote to memory of 1616	3400	348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe	88
PID 3400 wrote to memory of 1616	3400	348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\348311b0a982c9b93ab6cec99010398c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Windows\SysWOW64\sc.exe
  sc delete darkness
  2⤵
  - Launches sc.exe
  PID:1448
- C:\Windows\system\dwm.exe
  "C:\Windows\system\dwm.exe" /start
  2⤵
  - Executes dropped EXE
  PID:1616

C:\Windows\system\dwm.exe
C:\Windows\system\dwm.exe
1⤵
- Modifies firewall policy service
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:4728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

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Downloads

C:\Windows\System\dwm.exe

Filesize
41KB

MD5
348311b0a982c9b93ab6cec99010398c

SHA1
fd91cb902d533412964a0006a57cf8b8f30cc115

SHA256
1658436033caa97f4dbe821eef2f1f0427cfe4b6aaeae1dbff428ea65e08d118

SHA512
0fd4549dcf9defe07bcf3c42f4777430c325b29d5949802d1d4a7c742371532e42ae624932ce247b3120f6298a71e69ea0925039982f7632c214dbd147e7df9c

Download Submit
memory/1616-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3400-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4728-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads