b7b66081d3c0f0587bb8a6f51044e38a6b5dbbca5b2aa93f26ff9fc63342d1c2

General

Target

2a7dcec45fd73e0784fc59778baa0b55_JaffaCakes118.exe
Size

337KB
MD5

2a7dcec45fd73e0784fc59778baa0b55
SHA1

3bc4bfcd27e257989d61571b8f473e649bfa5a55
SHA256

b7b66081d3c0f0587bb8a6f51044e38a6b5dbbca5b2aa93f26ff9fc63342d1c2
SHA512

4bb8bc29ad61f701176cc050c6a28319536c79c7e2c0f3aa89e4d49fa820bee5512ac3589419fc0927a95a5a42bd06a6e30b6203970031f8dea54cf2d4e15e4e
SSDEEP

6144:KBgXI/2oxL7/w6H9NA/Q6yWzq6xiBifVr5D1xdIsID9PmZhO:aj/2o9Y6H4KiiMtr3xdHEks

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2376	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2804	nkxwyf.exe

Loads dropped DLL 3 IoCs

pid	Process
2376	cmd.exe
2804	nkxwyf.exe
2804	nkxwyf.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2184	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2348	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2804	nkxwyf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2804	nkxwyf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2184	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2804	nkxwyf.exe
2804	nkxwyf.exe
2804	nkxwyf.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2804	nkxwyf.exe
2804	nkxwyf.exe
2804	nkxwyf.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2376	2232	2a7dcec45fd73e0784fc59778baa0b55_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2376	2232	2a7dcec45fd73e0784fc59778baa0b55_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2376	2232	2a7dcec45fd73e0784fc59778baa0b55_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2376	2232	2a7dcec45fd73e0784fc59778baa0b55_JaffaCakes118.exe	30
PID 2376 wrote to memory of 2184	2376	cmd.exe	32
PID 2376 wrote to memory of 2184	2376	cmd.exe	32
PID 2376 wrote to memory of 2184	2376	cmd.exe	32
PID 2376 wrote to memory of 2184	2376	cmd.exe	32
PID 2376 wrote to memory of 2348	2376	cmd.exe	34
PID 2376 wrote to memory of 2348	2376	cmd.exe	34
PID 2376 wrote to memory of 2348	2376	cmd.exe	34
PID 2376 wrote to memory of 2348	2376	cmd.exe	34
PID 2376 wrote to memory of 2804	2376	cmd.exe	35
PID 2376 wrote to memory of 2804	2376	cmd.exe	35
PID 2376 wrote to memory of 2804	2376	cmd.exe	35
PID 2376 wrote to memory of 2804	2376	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\2a7dcec45fd73e0784fc59778baa0b55_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2a7dcec45fd73e0784fc59778baa0b55_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2232 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2a7dcec45fd73e0784fc59778baa0b55_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\nkxwyf.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 2232
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2184
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:2348
- - C:\Users\Admin\AppData\Local\nkxwyf.exe
    C:\Users\Admin\AppData\Local\nkxwyf.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2804

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\nkxwyf.exe

Filesize
337KB

MD5
2a7dcec45fd73e0784fc59778baa0b55

SHA1
3bc4bfcd27e257989d61571b8f473e649bfa5a55

SHA256
b7b66081d3c0f0587bb8a6f51044e38a6b5dbbca5b2aa93f26ff9fc63342d1c2

SHA512
4bb8bc29ad61f701176cc050c6a28319536c79c7e2c0f3aa89e4d49fa820bee5512ac3589419fc0927a95a5a42bd06a6e30b6203970031f8dea54cf2d4e15e4e

Download Submit
memory/2232-2-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2232-1-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2232-4-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2232-5-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2232-6-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2804-13-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2804-12-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2804-11-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2804-17-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2804-18-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2804-19-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2804-20-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2804-22-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2804-23-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2804-24-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2804-25-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2804-26-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download
memory/2804-32-0x0000000000400000-0x00000000005103F6-memory.dmp

Filesize
1.1MB

Download

Analysis

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