ba35400aaab8fb5fec958d08c984d32e0b82b88d9821328bec802c9ce195c1c8

Analysis

max time kernel
118s
max time network
130s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
23/10/2023, 22:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NEAS.8a4245239cda711dcc3f40df1950aa80_JC.exe
Size

213KB
MD5

8a4245239cda711dcc3f40df1950aa80
SHA1

be473967059340e155ec3a4db31e360782c14099
SHA256

ba35400aaab8fb5fec958d08c984d32e0b82b88d9821328bec802c9ce195c1c8
SHA512

1a75b0fa6a6c57caab81bd1865c619739abc9d40c1fdd244961c316680237b26e4c9e936254b24d611daa8d319e44a3db2c123260d9ea62ee200616c6c8e447a
SSDEEP

3072:bWGcbBBXk6+ca2Rq+QQLPaXfYypX5WftirnOT8e2CvOP6ubRzjdpu5hu:k1BU6FXq+QQs9pW8rnSv2qd6lj

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
3068	wwljcul.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\wwljcul.exe	NEAS.8a4245239cda711dcc3f40df1950aa80_JC.exe
File created	C:\PROGRA~3\Mozilla\sdwojsn.dll	wwljcul.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2840	NEAS.8a4245239cda711dcc3f40df1950aa80_JC.exe
3068	wwljcul.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 3068	2700	taskeng.exe	29
PID 2700 wrote to memory of 3068	2700	taskeng.exe	29
PID 2700 wrote to memory of 3068	2700	taskeng.exe	29
PID 2700 wrote to memory of 3068	2700	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.8a4245239cda711dcc3f40df1950aa80_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.8a4245239cda711dcc3f40df1950aa80_JC.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:2840

C:\Windows\system32\taskeng.exe
taskeng.exe {EB3594D7-E001-4F1D-ABA2-B999F593C43C} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2700
- C:\PROGRA~3\Mozilla\wwljcul.exe
  C:\PROGRA~3\Mozilla\wwljcul.exe -anxczaj
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  PID:3068

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
213KB

MD5
b0da3e732e701d32d6e8bc23983e4859

SHA1
0e09c4235ef35d1334be7475a8245dbf849517d5

SHA256
aa8ca9d715bbb954f834752d47a8c6a282191f63dcbba08188ca438b35b3c03c

SHA512
95f012f81620db2f011242a134c6c1a5e3dbd27c3d4bf39dd4738d85763b1b42bfcbf41167463803e7b048365e307d3ba41bd05a3c513337508c5626acda6a20

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

Filesize
213KB

MD5
b0da3e732e701d32d6e8bc23983e4859

SHA1
0e09c4235ef35d1334be7475a8245dbf849517d5

SHA256
aa8ca9d715bbb954f834752d47a8c6a282191f63dcbba08188ca438b35b3c03c

SHA512
95f012f81620db2f011242a134c6c1a5e3dbd27c3d4bf39dd4738d85763b1b42bfcbf41167463803e7b048365e307d3ba41bd05a3c513337508c5626acda6a20

Download Submit
memory/2840-0-0x0000000000290000-0x00000000002EB000-memory.dmp

Filesize
364KB

Download
memory/2840-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2840-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3068-6-0x0000000000840000-0x000000000089B000-memory.dmp

Filesize
364KB

Download
memory/3068-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3068-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3068-10-0x0000000000840000-0x000000000089B000-memory.dmp

Filesize
364KB

Download