159eb154f4071afeabcc33cc6cacf0288137b8c1608939710f98154ed58b2aca

Analysis

max time kernel
117s
max time network
134s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
03/11/2023, 07:17

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

NEAS.e5dc7af7fa331685184ebe2099eead40_JC.exe
Size

155KB
MD5

e5dc7af7fa331685184ebe2099eead40
SHA1

f32ff48c3628ce84d5067a7fd9d11e1a1ee3ab99
SHA256

159eb154f4071afeabcc33cc6cacf0288137b8c1608939710f98154ed58b2aca
SHA512

0f800853dccc71adea02be3a62b8f0c433d255dbad62935bfaebdf48e5ec70ce485ad4c417ea65c3144f97a4e137abcc78ed1ec4f45e9d8a8919567c2d150eb3
SSDEEP

3072:zoY0ALG7F60AM6r61ZNSaPK8bbuVSQJ0uOUR5Y7DFavjBooD:0Y0ALG7HAMt1ZEs+NJ0rMYXwec

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
1732	wwljcul.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\wwljcul.exe	NEAS.e5dc7af7fa331685184ebe2099eead40_JC.exe
File created	C:\PROGRA~3\Mozilla\sdwojsn.dll	wwljcul.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 1732	3012	taskeng.exe	29
PID 3012 wrote to memory of 1732	3012	taskeng.exe	29
PID 3012 wrote to memory of 1732	3012	taskeng.exe	29
PID 3012 wrote to memory of 1732	3012	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.e5dc7af7fa331685184ebe2099eead40_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.e5dc7af7fa331685184ebe2099eead40_JC.exe"
1⤵
- Drops file in Program Files directory
PID:3032

C:\Windows\system32\taskeng.exe
taskeng.exe {1B6BB6C3-ED30-4BAC-A824-CD683F66594F} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\PROGRA~3\Mozilla\wwljcul.exe
  C:\PROGRA~3\Mozilla\wwljcul.exe -anxczaj
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:1732

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

Loading Replay Monitor...

Downloads

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

Filesize
155KB

MD5
de32c31d9dc39384746daa7bcb3b7a03

SHA1
6b1228232a347fa8302f98d981623b40b594b909

SHA256
5fb375edea1d9ac7cef3e7dd9ed1fc88d4635ebba3fcedaf4707310e813adffe

SHA512
25373b4e996a0e95acddbcf3d3f495f133b6b434ffe3e27d699a2d9f92d41561c2266a615a05bf11d5a21b51321ac98889678a9c8d4da902b1d87093667ecb12

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

Filesize
155KB

MD5
de32c31d9dc39384746daa7bcb3b7a03

SHA1
6b1228232a347fa8302f98d981623b40b594b909

SHA256
5fb375edea1d9ac7cef3e7dd9ed1fc88d4635ebba3fcedaf4707310e813adffe

SHA512
25373b4e996a0e95acddbcf3d3f495f133b6b434ffe3e27d699a2d9f92d41561c2266a615a05bf11d5a21b51321ac98889678a9c8d4da902b1d87093667ecb12

Download Submit
memory/1732-10-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1732-11-0x0000000000220000-0x000000000027B000-memory.dmp

Filesize
364KB

Download
memory/1732-17-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3032-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3032-1-0x0000000000430000-0x000000000048B000-memory.dmp

Filesize
364KB

Download
memory/3032-7-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download