80199402b66d52742db427b0a59c869d3629e2b503c8e84b0d17789db414c352

General

Target
c20ef4961ce6eb9dd5654242ec1b418c_JaffaCakes118.exe
Size 861KB
Sample240826-cd1yhsycpg
SHA256 80199402b66d52742db427b0a59c869d3629e2b503c8e84b0d17789db414c352
MD5 c20ef4961ce6eb9dd5654242ec1b418c
SHA1 076cb25979115c1a5baa95807f993c90f629c524
SHA512 e518cd58bcab49e1359d6e60fe71a12c40d6c3f3e8dcfbf974848edb901231b8bd70271fc64f55c0cd8777e975ffee08b17607e4c4bd9744a4193b2a5739a9a2
SSDEEP 24576:ZQqPByJzhAfD7MjzlR7m8Sdu3ar3kxggWq:ZQqZ0z0MjHy8mxrgl
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 3 IoCs

Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 0\CryptDllFindOIDInfo\1.3.6.1.4.1.311.60.3.3!7\Name = "szOID_ROOT_PROGRAM_NO_OCSP_FAILOVER_TO_CRL"	certutil.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 0\CryptDllFindOIDInfo\1.3.6.1.4.1.311.60.3.1!7\Name = "szOID_ROOT_PROGRAM_AUTO_UPDATE_CA_REVOCATION"	certutil.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 0\CryptDllFindOIDInfo\1.3.6.1.4.1.311.60.3.2!7\Name = "szOID_ROOT_PROGRAM_AUTO_UPDATE_END_REVOCATION"	certutil.exe

Executes dropped EXE 2 IoCs

pid	Process
3632	msdtc.com
3676	msdtc.com

Adds Run key to start application 2 TTPs 1 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\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	c20ef4961ce6eb9dd5654242ec1b418c_JaffaCakes118.exe

Deobfuscate/Decode Files or Information 1 TTPs 2 IoCs

Payload decoded via CertUtil.

defense_evasion

Deobfuscate/Decode Files or Information

T1140

pid	Process
1236	cmd.exe
3616	certutil.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	msdtc.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c20ef4961ce6eb9dd5654242ec1b418c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	certutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdtc.com

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1564	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1564	PING.EXE

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
3632	msdtc.com
3632	msdtc.com
3632	msdtc.com
3676	msdtc.com
3676	msdtc.com
3676	msdtc.com

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
3632	msdtc.com
3632	msdtc.com
3632	msdtc.com
3676	msdtc.com
3676	msdtc.com
3676	msdtc.com

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 1236	5104	c20ef4961ce6eb9dd5654242ec1b418c_JaffaCakes118.exe	84
PID 5104 wrote to memory of 1236	5104	c20ef4961ce6eb9dd5654242ec1b418c_JaffaCakes118.exe	84
PID 5104 wrote to memory of 1236	5104	c20ef4961ce6eb9dd5654242ec1b418c_JaffaCakes118.exe	84
PID 1236 wrote to memory of 3616	1236	cmd.exe	86
PID 1236 wrote to memory of 3616	1236	cmd.exe	86
PID 1236 wrote to memory of 3616	1236	cmd.exe	86
PID 1236 wrote to memory of 3632	1236	cmd.exe	88
PID 1236 wrote to memory of 3632	1236	cmd.exe	88
PID 1236 wrote to memory of 3632	1236	cmd.exe	88
PID 3632 wrote to memory of 3676	3632	msdtc.com	90
PID 3632 wrote to memory of 3676	3632	msdtc.com	90
PID 3632 wrote to memory of 3676	3632	msdtc.com	90
PID 1236 wrote to memory of 1564	1236	cmd.exe	92
PID 1236 wrote to memory of 1564	1236	cmd.exe	92
PID 1236 wrote to memory of 1564	1236	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\c20ef4961ce6eb9dd5654242ec1b418c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c20ef4961ce6eb9dd5654242ec1b418c_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5104
- C:\Windows\SysWOW64\cmd.exe
  cmd /c <nul set /p ="M" > msdtc.com & type KsTpnq.com >> msdtc.com & del KsTpnq.com & certutil -decode yTxIv.com U & msdtc.com U & ping 127.0.0.1 -n 3
  2⤵
  - Deobfuscate/Decode Files or Information
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1236
- - C:\Windows\SysWOW64\certutil.exe
    certutil -decode yTxIv.com U
    3⤵
    - Manipulates Digital Signatures
    - Deobfuscate/Decode Files or Information
    - System Location Discovery: System Language Discovery
    PID:3616
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\msdtc.com
    msdtc.com U
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:3632
  - - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\msdtc.com
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\msdtc.com U
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      PID:3676
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 3
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1564

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Deobfuscate/Decode Files or Information

Modify Registry

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Discovery

Remote System Discovery

1

T1018

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

KsTpnq.com

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\KsTpnq.com
Size 872KB
SHA256 8861365fb619dbb90da0027db93d041681c30deb93071ec588121a8f8ba08436
MD5 d86ab2aeeac2553c7857ece4492eda5d
SHA1 0828db56b556f3f0486a9de9d2c728216035e8e6
SHA512 8c0154d80fb47ea5225816e95db0126d02950f0ec7909a68205ee67a0d1c4dbff971933ee5ba0307c24658ce52400e144cde720e514acf3024fbdb2505345cfe
SSDEEP 12288:BpVWeOV7GtINsegA/hMyyzlcqikvAfcN9b2MyZa31twoPTdFxgawV2M01:BT3E53Myyzl0hMf1tr7Caw8M01
MD5 SHA1 SHA512 SSDEEP

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U

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\U
Size 241KB
SHA256 f8b193619fa0fbf5e8a7fa84017dab39b15acaeb3b7888b532e3d26d017d22ee
MD5 c8c4a872e297f7e536786c49d66650c5
SHA1 d65329038099ba179db5331f8eaec618fb679119
SHA512 37d26d18f19e7660b28c3b5cd58ae2a35ab40c2ffc947193c945a764a84edc61198141dab620d03f41c1585ca44c8ba940881db337a6e92ca2e454d50acb0c87
SSDEEP 3072:6MORs+UHjkevhr4iwe84upnnxK0jPZKzH9hMZPRpMOWWCoHwsdGs:VORs+UHjkevh0F4Gx4ZqPRpMOWWCuwM
MD5 SHA1 SHA512 SSDEEP

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bWPQ.com

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bWPQ.com
Size 200KB
SHA256 ff8814e26980703a8d1d917a8a6991e80849037fe6fb531b05b7d984fa0db4e2
MD5 5ea7b5afb1bf7b27844bfb150307adb1
SHA1 47fcfe229e937dc5d2700203c1f9d42767082903
SHA512 1ca5022ee0e978711fd05b9c1655d554b16672962338f86c003aaebd86def8b07170b798c570823db6fb7b63eb17684a4beed302f5029ae01f66e1f828bd3388
SSDEEP 3072:YGu72hoVj7v19tI+9sscq/EGGPRBOMxWYE2+3lt5iDYFzs4XEdQ96DGUiu:YGu717v1LIpTq/EvBZyltsDYGuEvqu
MD5 SHA1 SHA512 SSDEEP

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msdtc.com

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\msdtc.com
Size 872KB
SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
MD5 c56b5f0201a3b3de53e561fe76912bfd
SHA1 2a4062e10a5de813f5688221dbeb3f3ff33eb417
SHA512 195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c
SSDEEP 12288:6pVWeOV7GtINsegA/hMyyzlcqikvAfcN9b2MyZa31twoPTdFxgawV2M01:6T3E53Myyzl0hMf1tr7Caw8M01
MD5 SHA1 SHA512 SSDEEP

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yTxIv.com

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yTxIv.com
Size 332KB
SHA256 789eaa8e03690dd53708b429b7cb51f619f80c3f56d4616ca8971d512a63024b
MD5 0793e3a615b4e02d45e1f857fcb9b2fe
SHA1 c54946443428a2e90cbe07afd9a96b6dd176f563
SHA512 f889c6bf2c6878a980d1432c2353290bbf907292b777e73e0f540414f7de3e2945d05dad58b695214fc04163e729f6830cf6a1cfc6f4e9b5394c1fcc004e0b89
SSDEEP 6144:BNyGYvSUMipx208IEEKjbEqyfhm6e6d1UR1Y:BNydvSdiK0l+PEzhmW3B
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads