b4f8d885eef1e8878749470c5bd290dd740404fdaa3bc5ab2af9f76f8cb4d397

General

Target

13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Size

21KB
MD5

13947bbce3ddefc0a0c3417f94d0bab1
SHA1

997e55c7241af0b4c51293a1bd465e856d295e69
SHA256

b4f8d885eef1e8878749470c5bd290dd740404fdaa3bc5ab2af9f76f8cb4d397
SHA512

b350bf1d9ab9d5b5dd831ab2ef31dd53816afd830a8108d871c88ab4c0d6a1b97fa2cf9f78e843ea2a7d78ecb51222bf7f35f6c85b96834d5e9e95c3e0ebff6f
SSDEEP

384:tQeC1XxcmEPX2UNUcHHynyrS7drJaKiw80sOrMgW5KNB/ryD:mNhcmK28SnyGXaKtXePD

Score

10^/10

discovery evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	13947bbce3ddefc0a0c3417f94d0bab1_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 4 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	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1316	cmd.exe
5036	PING.EXE

Kills process with taskkill 1 IoCs

evasion

pid	Process
4928	taskkill.exe

Modifies registry class 10 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.IE\ = "IE"	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\DefaultIcon	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\DefaultIcon\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE,0"	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.IE	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\ = "????"	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open\command	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open\command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE "	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5036	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Token: SeDebugPrivilege	4928	taskkill.exe
Token: SeDebugPrivilege	2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Token: SeDebugPrivilege	2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Token: SeDebugPrivilege	2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
Token: SeDebugPrivilege	2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 4928	2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe	81
PID 2160 wrote to memory of 4928	2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe	81
PID 2160 wrote to memory of 4928	2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe	81
PID 2160 wrote to memory of 1316	2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe	84
PID 2160 wrote to memory of 1316	2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe	84
PID 2160 wrote to memory of 1316	2160	13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe	84
PID 1316 wrote to memory of 5036	1316	cmd.exe	86
PID 1316 wrote to memory of 5036	1316	cmd.exe	86
PID 1316 wrote to memory of 5036	1316	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im ZhuDongFangyu.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4928
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ping 127.0.0.1 -n 1 && del "C:\Users\Admin\AppData\Local\Temp\13947bbce3ddefc0a0c3417f94d0bab1_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1316
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:5036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

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

Replay Monitor

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Downloads

memory/2160-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2160-1-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download
memory/2160-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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