a662f691fad141de5cc2261f6d428653ea449c9f8a8208278f180254a1cacb94

General

Target

b51cf12cb5068fc9bd905316e7605e60_JaffaCakes118.exe
Size

348KB
MD5

b51cf12cb5068fc9bd905316e7605e60
SHA1

74b7763f12426ae01c2965e2f332661b1dffaabf
SHA256

a662f691fad141de5cc2261f6d428653ea449c9f8a8208278f180254a1cacb94
SHA512

9f310e641c9d48f5f12c17d97aae8daf7d8ab9b42663a463d884d3021d38ce08352c88fa05f801716eac8d4d600df7e4782b6d345910400769207ac64cae6618
SSDEEP

6144:V27ETlIT3CGJQTmGd25fkEGwRSP3NsW17aDyhnGCSEVfk/yJA:eeWyby1kEGwRWdsWkDyhBSEtk/y

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1980	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2636	ejkyms.exe

Loads dropped DLL 3 IoCs

pid	Process
1980	cmd.exe
1980	cmd.exe
2636	ejkyms.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ejkyms.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b51cf12cb5068fc9bd905316e7605e60_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.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
1980	cmd.exe
2264	PING.EXE

Kills process with taskkill 1 IoCs

evasion

pid	Process
2764	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2264	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 1980	2420	b51cf12cb5068fc9bd905316e7605e60_JaffaCakes118.exe	30
PID 2420 wrote to memory of 1980	2420	b51cf12cb5068fc9bd905316e7605e60_JaffaCakes118.exe	30
PID 2420 wrote to memory of 1980	2420	b51cf12cb5068fc9bd905316e7605e60_JaffaCakes118.exe	30
PID 2420 wrote to memory of 1980	2420	b51cf12cb5068fc9bd905316e7605e60_JaffaCakes118.exe	30
PID 1980 wrote to memory of 2764	1980	cmd.exe	32
PID 1980 wrote to memory of 2764	1980	cmd.exe	32
PID 1980 wrote to memory of 2764	1980	cmd.exe	32
PID 1980 wrote to memory of 2764	1980	cmd.exe	32
PID 1980 wrote to memory of 2264	1980	cmd.exe	34
PID 1980 wrote to memory of 2264	1980	cmd.exe	34
PID 1980 wrote to memory of 2264	1980	cmd.exe	34
PID 1980 wrote to memory of 2264	1980	cmd.exe	34
PID 1980 wrote to memory of 2636	1980	cmd.exe	35
PID 1980 wrote to memory of 2636	1980	cmd.exe	35
PID 1980 wrote to memory of 2636	1980	cmd.exe	35
PID 1980 wrote to memory of 2636	1980	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\b51cf12cb5068fc9bd905316e7605e60_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b51cf12cb5068fc9bd905316e7605e60_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2420 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\b51cf12cb5068fc9bd905316e7605e60_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\ejkyms.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:1980
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 2420
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2764
- - 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:2264
- - C:\Users\Admin\AppData\Local\ejkyms.exe
    C:\Users\Admin\AppData\Local\ejkyms.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2636

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

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Downloads

\Users\Admin\AppData\Local\ejkyms.exe

Filesize
348KB

MD5
b51cf12cb5068fc9bd905316e7605e60

SHA1
74b7763f12426ae01c2965e2f332661b1dffaabf

SHA256
a662f691fad141de5cc2261f6d428653ea449c9f8a8208278f180254a1cacb94

SHA512
9f310e641c9d48f5f12c17d97aae8daf7d8ab9b42663a463d884d3021d38ce08352c88fa05f801716eac8d4d600df7e4782b6d345910400769207ac64cae6618

Download Submit
memory/1980-11-0x0000000000590000-0x000000000062C000-memory.dmp

Filesize
624KB

Download
memory/1980-12-0x0000000000590000-0x000000000062C000-memory.dmp

Filesize
624KB

Download
memory/2420-2-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2420-0-0x0000000001000000-0x000000000109C000-memory.dmp

Filesize
624KB

Download
memory/2420-6-0x0000000001000000-0x000000000109C000-memory.dmp

Filesize
624KB

Download
memory/2420-7-0x0000000000230000-0x0000000000272000-memory.dmp

Filesize
264KB

Download
memory/2420-3-0x0000000001001000-0x0000000001002000-memory.dmp

Filesize
4KB

Download
memory/2420-4-0x0000000001000000-0x000000000109C000-memory.dmp

Filesize
624KB

Download
memory/2420-1-0x0000000000230000-0x0000000000272000-memory.dmp

Filesize
264KB

Download
memory/2636-14-0x0000000001000000-0x000000000109C000-memory.dmp

Filesize
624KB

Download
memory/2636-15-0x0000000001000000-0x000000000109C000-memory.dmp

Filesize
624KB

Download
memory/2636-19-0x0000000001000000-0x000000000109C000-memory.dmp

Filesize
624KB

Download
memory/2636-18-0x0000000001000000-0x000000000109C000-memory.dmp

Filesize
624KB

Download
memory/2636-17-0x0000000001000000-0x000000000109C000-memory.dmp

Filesize
624KB

Download
memory/2636-16-0x0000000001000000-0x000000000109C000-memory.dmp

Filesize
624KB

Download
memory/2636-21-0x0000000001000000-0x000000000109C000-memory.dmp

Filesize
624KB

Download
memory/2636-30-0x00000000024A0000-0x000000000253C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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