06730a7eb153e15e7b8c76ed87f19368cbbbab8caf4a44a6deb7bade0bcae02a

General

Target

3f9ae680f7d1e1b6b022cea5bce0ac23.exe
Size

337KB
MD5

3f9ae680f7d1e1b6b022cea5bce0ac23
SHA1

a3d5ebb0c77faf0ee10851a5f4aaadff01453eea
SHA256

06730a7eb153e15e7b8c76ed87f19368cbbbab8caf4a44a6deb7bade0bcae02a
SHA512

0a2cf71ef72a300733d3442c53fbdae41bf6384572f4fe24e8e4ab4e85b1afb4ec93af26f744e2a852b77fa7b847a296df4a5ff614e7bddf316e60a827d03e4b
SSDEEP

6144:lFEvoAbS3YdBoKohpFrl74IkyWM6O4B2ygMuoDSLOEwWpFlzUeGMvHuMMNCw6jfi:l5IdBZcpFryyWM34BuMuoDIwWJIxnvNG

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2880	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2892	npbfiezu.exe

Loads dropped DLL 3 IoCs

pid	Process
2880	cmd.exe
2892	npbfiezu.exe
2892	npbfiezu.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
2348	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2688	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2892	npbfiezu.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2892	npbfiezu.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2892	npbfiezu.exe
2892	npbfiezu.exe
2892	npbfiezu.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2892	npbfiezu.exe
2892	npbfiezu.exe
2892	npbfiezu.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2880	2420	3f9ae680f7d1e1b6b022cea5bce0ac23.exe	29
PID 2420 wrote to memory of 2880	2420	3f9ae680f7d1e1b6b022cea5bce0ac23.exe	29
PID 2420 wrote to memory of 2880	2420	3f9ae680f7d1e1b6b022cea5bce0ac23.exe	29
PID 2420 wrote to memory of 2880	2420	3f9ae680f7d1e1b6b022cea5bce0ac23.exe	29
PID 2880 wrote to memory of 2348	2880	cmd.exe	30
PID 2880 wrote to memory of 2348	2880	cmd.exe	30
PID 2880 wrote to memory of 2348	2880	cmd.exe	30
PID 2880 wrote to memory of 2348	2880	cmd.exe	30
PID 2880 wrote to memory of 2688	2880	cmd.exe	32
PID 2880 wrote to memory of 2688	2880	cmd.exe	32
PID 2880 wrote to memory of 2688	2880	cmd.exe	32
PID 2880 wrote to memory of 2688	2880	cmd.exe	32
PID 2880 wrote to memory of 2892	2880	cmd.exe	33
PID 2880 wrote to memory of 2892	2880	cmd.exe	33
PID 2880 wrote to memory of 2892	2880	cmd.exe	33
PID 2880 wrote to memory of 2892	2880	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\3f9ae680f7d1e1b6b022cea5bce0ac23.exe
"C:\Users\Admin\AppData\Local\Temp\3f9ae680f7d1e1b6b022cea5bce0ac23.exe"
1⤵
- 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\3f9ae680f7d1e1b6b022cea5bce0ac23.exe" & start C:\Users\Admin\AppData\Local\npbfiezu.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 2420
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2348
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:2688
- - C:\Users\Admin\AppData\Local\npbfiezu.exe
    C:\Users\Admin\AppData\Local\npbfiezu.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2892

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\npbfiezu.exe

Filesize
337KB

MD5
3f9ae680f7d1e1b6b022cea5bce0ac23

SHA1
a3d5ebb0c77faf0ee10851a5f4aaadff01453eea

SHA256
06730a7eb153e15e7b8c76ed87f19368cbbbab8caf4a44a6deb7bade0bcae02a

SHA512
0a2cf71ef72a300733d3442c53fbdae41bf6384572f4fe24e8e4ab4e85b1afb4ec93af26f744e2a852b77fa7b847a296df4a5ff614e7bddf316e60a827d03e4b

Download Submit
memory/2420-1-0x0000000000400000-0x00000000005103FA-memory.dmp

Filesize
1.1MB

Download
memory/2420-2-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/2420-3-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/2420-5-0x0000000000400000-0x00000000005103FA-memory.dmp

Filesize
1.1MB

Download
memory/2892-16-0x0000000000400000-0x00000000005103FA-memory.dmp

Filesize
1.1MB

Download
memory/2892-21-0x0000000000400000-0x00000000005103FA-memory.dmp

Filesize
1.1MB

Download
memory/2892-15-0x0000000000400000-0x00000000005103FA-memory.dmp

Filesize
1.1MB

Download
memory/2892-10-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/2892-17-0x0000000000400000-0x00000000005103FA-memory.dmp

Filesize
1.1MB

Download
memory/2892-18-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/2892-19-0x0000000000400000-0x00000000005103FA-memory.dmp

Filesize
1.1MB

Download
memory/2892-11-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/2892-22-0x0000000000400000-0x00000000005103FA-memory.dmp

Filesize
1.1MB

Download
memory/2892-23-0x0000000000400000-0x00000000005103FA-memory.dmp

Filesize
1.1MB

Download
memory/2892-24-0x0000000000400000-0x00000000005103FA-memory.dmp

Filesize
1.1MB

Download
memory/2892-25-0x0000000000400000-0x00000000005103FA-memory.dmp

Filesize
1.1MB

Download
memory/2892-26-0x0000000000400000-0x00000000005103FA-memory.dmp

Filesize
1.1MB

Download
memory/2892-31-0x0000000000400000-0x00000000005103FA-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing