07297b79dce665d67c713bf2905f4ca345bfb8f4e797e19b544ce01e2edcf6f2

General

Target

3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe
Size

325KB
MD5

3b39c4b479f96d696aa4cc32729c1b5b
SHA1

875819724c5c3102fb9802f14d47e03919fa6463
SHA256

07297b79dce665d67c713bf2905f4ca345bfb8f4e797e19b544ce01e2edcf6f2
SHA512

2de3def8794f1bd1d560298620158ebe3d685894d0291fbc924b97eb96e1582dc795f3dd959a4c481cecf45fb0346446d3d5fd1fd16d4a964346c2866b57a416
SSDEEP

6144:qd29rwyX+G5WgDYngob0nX4bjpwCdhAxIcojc8NQIn+/Nw+Sos5:T3DYBtb5Axic8NQI+/i+ls5

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
884	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2084	ynxecr.exe

Loads dropped DLL 4 IoCs

pid	Process
884	cmd.exe
884	cmd.exe
2084	ynxecr.exe
2084	ynxecr.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 5 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	ynxecr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.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
884	cmd.exe
2796	PING.EXE

Kills process with taskkill 1 IoCs

evasion

pid	Process
1728	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2796	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2084	ynxecr.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2084	ynxecr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2084	ynxecr.exe
2084	ynxecr.exe
2084	ynxecr.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2084	ynxecr.exe
2084	ynxecr.exe
2084	ynxecr.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 884	2904	3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe	28
PID 2904 wrote to memory of 884	2904	3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe	28
PID 2904 wrote to memory of 884	2904	3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe	28
PID 2904 wrote to memory of 884	2904	3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe	28
PID 884 wrote to memory of 1728	884	cmd.exe	30
PID 884 wrote to memory of 1728	884	cmd.exe	30
PID 884 wrote to memory of 1728	884	cmd.exe	30
PID 884 wrote to memory of 1728	884	cmd.exe	30
PID 884 wrote to memory of 2796	884	cmd.exe	32
PID 884 wrote to memory of 2796	884	cmd.exe	32
PID 884 wrote to memory of 2796	884	cmd.exe	32
PID 884 wrote to memory of 2796	884	cmd.exe	32
PID 884 wrote to memory of 2084	884	cmd.exe	33
PID 884 wrote to memory of 2084	884	cmd.exe	33
PID 884 wrote to memory of 2084	884	cmd.exe	33
PID 884 wrote to memory of 2084	884	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2904 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\3b39c4b479f96d696aa4cc32729c1b5b_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\ynxecr.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:884
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 2904
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1728
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2796
- - C:\Users\Admin\AppData\Local\ynxecr.exe
    C:\Users\Admin\AppData\Local\ynxecr.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\ynxecr.exe

Filesize
325KB

MD5
3b39c4b479f96d696aa4cc32729c1b5b

SHA1
875819724c5c3102fb9802f14d47e03919fa6463

SHA256
07297b79dce665d67c713bf2905f4ca345bfb8f4e797e19b544ce01e2edcf6f2

SHA512
2de3def8794f1bd1d560298620158ebe3d685894d0291fbc924b97eb96e1582dc795f3dd959a4c481cecf45fb0346446d3d5fd1fd16d4a964346c2866b57a416

Download Submit
memory/2084-22-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-19-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-29-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-28-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-27-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-26-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-11-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-12-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-16-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-15-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-25-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-20-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-14-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-21-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2084-23-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2904-0-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/2904-4-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2904-1-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2904-6-0x0000000001001000-0x00000000010C0000-memory.dmp

Filesize
764KB

Download
memory/2904-5-0x0000000001000000-0x00000000010CF000-memory.dmp

Filesize
828KB

Download
memory/2904-3-0x0000000001001000-0x00000000010C0000-memory.dmp

Filesize
764KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads