5b387e90ce19c5820dac4857345f60d1241685cb56b38d83036559da9adfd6d3

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231025-en
resource tags

arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
submitted
28-10-2023 19:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NEAS.a707af2e896177f64c8439e7bdafc520.exe
Size

354KB
MD5

a707af2e896177f64c8439e7bdafc520
SHA1

734142a406ce34064e11b832b2ce2b0d26830f29
SHA256

5b387e90ce19c5820dac4857345f60d1241685cb56b38d83036559da9adfd6d3
SHA512

844bd9442a7637831881287ca2181f2d8bd9df5e4bd082501e5f04c2bffe20238da2043e98ec6b4d8db97c59b8af55608b244b76c569ee4d247defa061601577
SSDEEP

6144:CDJVazMKV31FdaQvXluxqU+A/0y+nt75voqQEnHv0CxN8H9RJPz7Dhzt/SaCMJ:CDJM/bXntAh+nhZoqQEHvVIzJPz//Dx

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
2748	kymnayk.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\kymnayk.exe	NEAS.a707af2e896177f64c8439e7bdafc520.exe
File created	C:\PROGRA~3\Mozilla\iuxrktg.dll	kymnayk.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 2748	1404	taskeng.exe	29
PID 1404 wrote to memory of 2748	1404	taskeng.exe	29
PID 1404 wrote to memory of 2748	1404	taskeng.exe	29
PID 1404 wrote to memory of 2748	1404	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.a707af2e896177f64c8439e7bdafc520.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.a707af2e896177f64c8439e7bdafc520.exe"
1⤵
- Drops file in Program Files directory
PID:2124

C:\Windows\system32\taskeng.exe
taskeng.exe {CD56670D-23EC-4A09-8E61-B851C1239BCA} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1404
- C:\PROGRA~3\Mozilla\kymnayk.exe
  C:\PROGRA~3\Mozilla\kymnayk.exe -dtmxjcd
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2748

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\kymnayk.exe

Filesize
354KB

MD5
0cb3b0e41a9fd3307548ee63c3d87937

SHA1
8996f6fe25878ddb47dbaa7d51993736ef571432

SHA256
8d2cf60d046ec5b2af29421982384c018beedd8059cc3d7d0ab256ca8d04ed06

SHA512
0dc8e306709dec885dd42a46b590228ec9ff2c1e581dbbe616615f4936b054e871778c7b5fdd92cc485c063ab3fe05411e45e02474a1f28d80a6e9818395da73

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

Filesize
354KB

MD5
0cb3b0e41a9fd3307548ee63c3d87937

SHA1
8996f6fe25878ddb47dbaa7d51993736ef571432

SHA256
8d2cf60d046ec5b2af29421982384c018beedd8059cc3d7d0ab256ca8d04ed06

SHA512
0dc8e306709dec885dd42a46b590228ec9ff2c1e581dbbe616615f4936b054e871778c7b5fdd92cc485c063ab3fe05411e45e02474a1f28d80a6e9818395da73

Download Submit
memory/2124-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2124-1-0x00000000002A0000-0x00000000002FB000-memory.dmp

Filesize
364KB

Download
memory/2124-7-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2748-10-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2748-11-0x0000000000220000-0x000000000027B000-memory.dmp

Filesize
364KB

Download
memory/2748-17-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download