97e78b98e54d5c2480c459ac2322aa5bdd0e684dac0c436eca4f66265a6eee92

General

Target

ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe
Size

227KB
MD5

ff865b56369afeee3a738ce2406e0fc9
SHA1

a8b9fd1d5b863c454325cc1f51e30a14ea2a28df
SHA256

97e78b98e54d5c2480c459ac2322aa5bdd0e684dac0c436eca4f66265a6eee92
SHA512

d373d5f6b36556dba1b35d0fe9202691d4a060966b98154004e462e2c6eca3cf712b4bcbb84c484dad2ed409d61d149745a4e107251fb74ed63279bfe518653a
SSDEEP

6144:zqFKBcr0l3pFBq+2GRuZM/lGVBvJgvhj:2FKaYNnB1H/loJ6j

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2944	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2580	welgrwdnyr.exe

Loads dropped DLL 4 IoCs

pid	Process
2944	cmd.exe
2944	cmd.exe
2580	welgrwdnyr.exe
2580	welgrwdnyr.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
2508	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2584	PING.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2580	welgrwdnyr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2508	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2580	welgrwdnyr.exe
2580	welgrwdnyr.exe
2580	welgrwdnyr.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2580	welgrwdnyr.exe
2580	welgrwdnyr.exe
2580	welgrwdnyr.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2944	1984	ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe	28
PID 1984 wrote to memory of 2944	1984	ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe	28
PID 1984 wrote to memory of 2944	1984	ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe	28
PID 1984 wrote to memory of 2944	1984	ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe	28
PID 2944 wrote to memory of 2508	2944	cmd.exe	30
PID 2944 wrote to memory of 2508	2944	cmd.exe	30
PID 2944 wrote to memory of 2508	2944	cmd.exe	30
PID 2944 wrote to memory of 2508	2944	cmd.exe	30
PID 2944 wrote to memory of 2584	2944	cmd.exe	32
PID 2944 wrote to memory of 2584	2944	cmd.exe	32
PID 2944 wrote to memory of 2584	2944	cmd.exe	32
PID 2944 wrote to memory of 2584	2944	cmd.exe	32
PID 2944 wrote to memory of 2580	2944	cmd.exe	33
PID 2944 wrote to memory of 2580	2944	cmd.exe	33
PID 2944 wrote to memory of 2580	2944	cmd.exe	33
PID 2944 wrote to memory of 2580	2944	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1984 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\ff865b56369afeee3a738ce2406e0fc9_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\WELGRW~1.EXE -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2944
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 1984
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2508
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:2584
- - C:\Users\Admin\AppData\Local\welgrwdnyr.exe
    C:\Users\Admin\AppData\Local\WELGRW~1.EXE -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2580

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\welgrwdnyr.exe

Filesize
227KB

MD5
ff865b56369afeee3a738ce2406e0fc9

SHA1
a8b9fd1d5b863c454325cc1f51e30a14ea2a28df

SHA256
97e78b98e54d5c2480c459ac2322aa5bdd0e684dac0c436eca4f66265a6eee92

SHA512
d373d5f6b36556dba1b35d0fe9202691d4a060966b98154004e462e2c6eca3cf712b4bcbb84c484dad2ed409d61d149745a4e107251fb74ed63279bfe518653a

Download Submit
memory/1984-0-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1984-2-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/1984-3-0x00000000003C0000-0x00000000003C2000-memory.dmp

Filesize
8KB

Download
memory/1984-4-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2580-11-0x0000000000340000-0x0000000000342000-memory.dmp

Filesize
8KB

Download
memory/2580-10-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2580-14-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2580-15-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2580-16-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2580-17-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2580-18-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2580-19-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2580-21-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download
memory/2580-22-0x0000000001000000-0x00000000010D3000-memory.dmp

Filesize
844KB

Download

Analysis

Sharing