78a7787662cd3407c86221015660b0a812dc3d12660b9212cea8f446e6935a85

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
02/11/2023, 16:41

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General

Target

NEAS.2680912c45b3ba933b825391af443e30.exe
Size

149KB
MD5

2680912c45b3ba933b825391af443e30
SHA1

66fd33e0f8fc67f53bdb9ceae79f1f16324bcb46
SHA256

78a7787662cd3407c86221015660b0a812dc3d12660b9212cea8f446e6935a85
SHA512

434b36fee6216b7d9063a5372851b8907e269473e975e261cf7f11e8d50fc7425d3ed52051a212e95b70bf7bccce76f05f16ed19f3904fc828067eff7cc4f17d
SSDEEP

3072:h/BH9p/3K+AEkzgXrGqJM4qd3bGjhkqsXb8:hR9pTAEkz6rGq4Bbq2I

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2620	wwljcul.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\wwljcul.exe	NEAS.2680912c45b3ba933b825391af443e30.exe
File created	C:\PROGRA~3\Mozilla\sdwojsn.dll	wwljcul.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2620	2692	taskeng.exe	31
PID 2692 wrote to memory of 2620	2692	taskeng.exe	31
PID 2692 wrote to memory of 2620	2692	taskeng.exe	31
PID 2692 wrote to memory of 2620	2692	taskeng.exe	31

C:\Users\Admin\AppData\Local\Temp\NEAS.2680912c45b3ba933b825391af443e30.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2680912c45b3ba933b825391af443e30.exe"
1⤵
- Drops file in Program Files directory
PID:1948

C:\Windows\system32\taskeng.exe
taskeng.exe {829DCF4D-81F9-44F3-87D8-F10D40B22382} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2692
- C:\PROGRA~3\Mozilla\wwljcul.exe
  C:\PROGRA~3\Mozilla\wwljcul.exe -anxczaj
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\wwljcul.exe

Filesize
149KB

MD5
76ac3ff5af7977a5ab01e8e86c1f92fe

SHA1
1fb9f8a892f73ef35b4524c773849bfa23414949

SHA256
a5781b1b1078d806a1d076f20e5e63cf8a8fdc3816d247dbd13cf76bc55a5e6c

SHA512
5a67b2314b39f5b0f1316e502a51d5e0ad6f1ce8bb2bd5216fb9b709df14c068ac564870d3aa925c53f1f2d710f6bf0172720b6178471a298afc0335ced07b27

Download Submit
C:\PROGRA~3\Mozilla\wwljcul.exe

Filesize
149KB

MD5
76ac3ff5af7977a5ab01e8e86c1f92fe

SHA1
1fb9f8a892f73ef35b4524c773849bfa23414949

SHA256
a5781b1b1078d806a1d076f20e5e63cf8a8fdc3816d247dbd13cf76bc55a5e6c

SHA512
5a67b2314b39f5b0f1316e502a51d5e0ad6f1ce8bb2bd5216fb9b709df14c068ac564870d3aa925c53f1f2d710f6bf0172720b6178471a298afc0335ced07b27

Download Submit
memory/1948-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1948-1-0x0000000000430000-0x000000000048B000-memory.dmp

Filesize
364KB

Download
memory/1948-7-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2620-14-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2620-15-0x0000000000360000-0x00000000003BB000-memory.dmp

Filesize
364KB

Download
memory/2620-21-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download