5a961f487a4bd15fad7f758ba3cbd86191cdb8a826e76984fdc21241899efdaa

Analysis

max time kernel
127s
max time network
148s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
14-10-2023 08:20

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General

Target

NEAS.e3b65f490e6c5d463458d9bda288a5b0.exe
Size

153KB
MD5

e3b65f490e6c5d463458d9bda288a5b0
SHA1

7bb43d329b39e8884b24d8ad95d9838973389446
SHA256

5a961f487a4bd15fad7f758ba3cbd86191cdb8a826e76984fdc21241899efdaa
SHA512

6655ca1ad8889f4dea582f6848962945cf6a27a816bf46f3361b74deb7ba055ca40aba44ed42e9f409acf00353bdf3159d460c926c3e68cae451a0d95c4120d5
SSDEEP

3072:62n7CoWd07esc3BUEgiahMdnZylqQFB07+naL:fCoWd0kSEgiiAZc1B07aaL

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
2676	yzgwzlh.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\yzgwzlh.exe	NEAS.e3b65f490e6c5d463458d9bda288a5b0.exe
File created	C:\PROGRA~3\Mozilla\jhnnyvm.dll	yzgwzlh.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2676	2880	taskeng.exe	30
PID 2880 wrote to memory of 2676	2880	taskeng.exe	30
PID 2880 wrote to memory of 2676	2880	taskeng.exe	30
PID 2880 wrote to memory of 2676	2880	taskeng.exe	30

C:\Users\Admin\AppData\Local\Temp\NEAS.e3b65f490e6c5d463458d9bda288a5b0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.e3b65f490e6c5d463458d9bda288a5b0.exe"
1⤵
- Drops file in Program Files directory
PID:2656

C:\Windows\system32\taskeng.exe
taskeng.exe {D8360EF2-A5E6-49B0-82BB-98B8D1D543A8} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2880
- C:\PROGRA~3\Mozilla\yzgwzlh.exe
  C:\PROGRA~3\Mozilla\yzgwzlh.exe -chuvxnb
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2676

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\yzgwzlh.exe

Filesize
153KB

MD5
1df5066cb48a5f95c60484dd5556fd18

SHA1
23d3cdb2630bd3adcdbd66dc5a660d1b92008167

SHA256
f81290b1488186609b1c3a5dc24e5dc0c85c7575937fecd9b90b57983ae44453

SHA512
83b33ddbfa37672b87f46735ec749626adb54520a1f8b810667086737e73c497bb54aa159d48aa3e278e7e1ea73805991ea300397c6c9e05d52ddcac68d3c5a5

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

Filesize
153KB

MD5
1df5066cb48a5f95c60484dd5556fd18

SHA1
23d3cdb2630bd3adcdbd66dc5a660d1b92008167

SHA256
f81290b1488186609b1c3a5dc24e5dc0c85c7575937fecd9b90b57983ae44453

SHA512
83b33ddbfa37672b87f46735ec749626adb54520a1f8b810667086737e73c497bb54aa159d48aa3e278e7e1ea73805991ea300397c6c9e05d52ddcac68d3c5a5

Download Submit
memory/2656-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2656-1-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2656-2-0x0000000000160000-0x00000000001BB000-memory.dmp

Filesize
364KB

Download
memory/2656-7-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2676-20-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2676-21-0x0000000000310000-0x000000000036B000-memory.dmp

Filesize
364KB

Download