be8ca47a21c739e9917a8cfac0a29202e46132b7b48095e8125be9e8b2c6c0f3

General

Target

21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe
Size

606KB
MD5

21d7248e43c5b1ec2a1c4468120b85c1
SHA1

4254b53017172e3a9685706c225dbaaa3a3b3067
SHA256

be8ca47a21c739e9917a8cfac0a29202e46132b7b48095e8125be9e8b2c6c0f3
SHA512

f70becbd6f9f021358fe1d0a55706f51a8690de98a268671113d1c6e9a3e3a05a50c21958517ba563901f9611b3667965a2b42a2e9f1d32fc9f99a9b1c1a22b1
SSDEEP

12288:Zui5Rri4SicJcSROY3qlDUIxFPB1YunAa9m7A1Wj01:ZlmQcVRO+25t1v9g7j0

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 5 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	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\brkmail = "brkmail:*:Enabled:bkdoor"	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe:*:Enabled:ehnoispoooo"	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\System.exe	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\drivers\System.exe	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe

Manipulates Digital Signatures 1 TTPs 4 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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\EnterpriseCertificates\TrustedPeople\CTLs	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\EnterpriseCertificates\TrustedPeople\CRLs	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\EnterpriseCertificates\TrustedPeople\Certificates	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\EnterpriseCertificates\TrustedPeople	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe

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\Run\Servicos = "C:\\Windows\\system32\\drivers\\System.exe"	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe

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

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2116	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 1192	2116	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe	80
PID 2116 wrote to memory of 1192	2116	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe	80
PID 2116 wrote to memory of 1192	2116	21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe	80
PID 1192 wrote to memory of 624	1192	net.exe	82
PID 1192 wrote to memory of 624	1192	net.exe	82
PID 1192 wrote to memory of 624	1192	net.exe	82

C:\Users\Admin\AppData\Local\Temp\21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\21d7248e43c5b1ec2a1c4468120b85c1_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Drops file in Drivers directory
- Manipulates Digital Signatures
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\net.exe
  net stop SharedAccess
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1192
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop SharedAccess
    3⤵
    PID:624

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

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2116-0-0x0000000002210000-0x0000000002211000-memory.dmp

Filesize
4KB

Download
memory/2116-4-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/2116-6-0x0000000002210000-0x0000000002211000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads