2de69f07a6f6b29d11ada45396474e4186f7dc796a02a957c79f48dc4ae77bc2

General

Target

4e2e1f3ac55c19e9f30f8eb5e962d172.exe
Size

42KB
MD5

4e2e1f3ac55c19e9f30f8eb5e962d172
SHA1

37cb4556fb983bcfe043b04413d7faea5312b716
SHA256

2de69f07a6f6b29d11ada45396474e4186f7dc796a02a957c79f48dc4ae77bc2
SHA512

8981409c69e9b13bf99960efc345e4473198c87cc23b1590ecb5a9524572c85e47c4a19c4cef06b2f017fea442ba91e7750b496c5653fc2958d7abf37a4bec3d
SSDEEP

768:aYbywQ/j4ebRLNAYfQIVR8xS5auCo2Wc8TBxBzHFf4Oefx4hcldZPJUqycgLHY:SMGdNL4IVR8xS5aurhdHrh0dZxqx4

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Drivers\Atieccx.sys	cmvd

Executes dropped EXE 3 IoCs

pid	Process
1756	svchost.exe
1608	sys
3756	cmvd

Loads dropped DLL 1 IoCs

pid	Process
1588	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dbwozuyb.dll	4e2e1f3ac55c19e9f30f8eb5e962d172.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1488 set thread context of 1588	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	109

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\svchost.exe	4e2e1f3ac55c19e9f30f8eb5e962d172.exe
File created	C:\Windows\Downloaded Program Files\explorer.exe	svchost.exe
File created	C:\Windows\Fonts\sys	4e2e1f3ac55c19e9f30f8eb5e962d172.exe
File created	C:\Windows\Fonts\cmvd	4e2e1f3ac55c19e9f30f8eb5e962d172.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://luck114.com"	sys

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe
1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe
1756	svchost.exe
1756	svchost.exe
1608	sys
1608	sys

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
668	Process not Found

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 1756	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	91
PID 1488 wrote to memory of 1756	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	91
PID 1488 wrote to memory of 1756	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	91
PID 1488 wrote to memory of 1608	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	102
PID 1488 wrote to memory of 1608	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	102
PID 1488 wrote to memory of 1608	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	102
PID 1608 wrote to memory of 1212	1608	sys	103
PID 1608 wrote to memory of 1212	1608	sys	103
PID 1608 wrote to memory of 1212	1608	sys	103
PID 1488 wrote to memory of 3756	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	105
PID 1488 wrote to memory of 3756	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	105
PID 1488 wrote to memory of 3756	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	105
PID 1488 wrote to memory of 1588	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	109
PID 1488 wrote to memory of 1588	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	109
PID 1488 wrote to memory of 1588	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	109
PID 1488 wrote to memory of 1588	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	109
PID 1488 wrote to memory of 4756	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	110
PID 1488 wrote to memory of 4756	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	110
PID 1488 wrote to memory of 4756	1488	4e2e1f3ac55c19e9f30f8eb5e962d172.exe	110

C:\Users\Admin\AppData\Local\Temp\4e2e1f3ac55c19e9f30f8eb5e962d172.exe
"C:\Users\Admin\AppData\Local\Temp\4e2e1f3ac55c19e9f30f8eb5e962d172.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\Fonts\svchost.exe
  C:\Windows\Fonts\svchost.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  PID:1756
- C:\Windows\Fonts\sys
  C:\Windows\Fonts\sys
  2⤵
  - Executes dropped EXE
  - Modifies Internet Explorer start page
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1608
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del C:\Windows\Fonts\sys
    3⤵
    PID:1212
- C:\Windows\Fonts\cmvd
  C:\Windows\Fonts\cmvd
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  PID:3756
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Loads dropped DLL
  PID:1588
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\DEL.bat
  2⤵
  PID:4756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Fonts\cmvd

Filesize
12KB

MD5
a9183e73dde5835593abd4761c73c1b4

SHA1
146985905b167b730b16aa8cb9a8aa8275ae89c2

SHA256
74081a6cbae959c4c0d1c967a6fdb313ba62ffdaeabd6d14fcd64d31e82ec297

SHA512
227f00037d3a8ef030e71892de7821c4d0c4c34cdd8db92f93e2fe0fbc6841520c92bf322456132ef17b61d19a43c2c334d3b644befa5700f00914e2a50e7161

Download Submit
C:\Windows\Fonts\svchost.exe

Filesize
5KB

MD5
9b8cffa5abe8350d9d9d2af54c851e50

SHA1
7adb7ef3bec64528806a327e70026dd7df11e8f5

SHA256
6967469c99439ead9abf03f1fd3ac0153d4ef7f1906739fa75df45c2e67a3bec

SHA512
a14c60a193b65e29f2c2c4580287d3d82371fb4b4a78fe1f68a39e2c1badff02bbecececa987cff92182d7ba6c4f3ce64e975fa7ce08197a5bf41942ba26ff7f

Download Submit
C:\Windows\Fonts\sys

Filesize
1KB

MD5
f4ed1044cc0d6cc42e440711fb793351

SHA1
32c7448eb4c5696b3c15322ddd9106e42eb22c10

SHA256
5889649d626751af6b05482ecc398a02d453467f10fdfff2b94e50c85866488d

SHA512
47d8a728bb18c1b8acdf1dcc9e66e9093bf332368ea202c21a00d9bb17983f83dbefab9ee1e0baee7f4be236de445f0ff83c9b4a69ca6055d1916df4c75b5e78

Download Submit
C:\Windows\SysWOW64\dbwozuyb.dll

Filesize
13KB

MD5
015a4e6ca2f0595f57d51aaa77744746

SHA1
773c3cd62352264886c34e54b53bf4acdcf4432a

SHA256
095f63cad6c7eb7f4b7a51e718e5f9debb48d1733121220d6c32fbda48cb1406

SHA512
1e4d72353a845361c304a222e59838d9f0c2f025e12444f6f8ff8d9055af33b86ae22dd698154fd7ac6f906a7c985426629733d98bc71740a02a4c92b2734578

Download Submit
\??\c:\DEL.bat

Filesize
182B

MD5
9542d4c7ac8e1ba543a61952b5cb7cd2

SHA1
91cc1cb364a761337935e99546d379db5892a19d

SHA256
321612956a4cedcad9b71ebda90aea222124af71aef64a50317c689f6ef44d7e

SHA512
6ab46d7a670502d0cc6765492f96b9b158fbd1fb627b8f758149a228300e96581167c968c5a74d19c57fb927d7e47825715a574c8d308d1ebf8db9009a1a415f

Download Submit
memory/1588-19-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1588-20-0x0000000000300000-0x0000000000310000-memory.dmp

Filesize
64KB

Download
memory/1588-21-0x0000000002B90000-0x0000000002B91000-memory.dmp

Filesize
4KB

Download
memory/1588-23-0x0000000000300000-0x0000000000310000-memory.dmp

Filesize
64KB

Download
memory/1588-24-0x0000000002B90000-0x0000000002B91000-memory.dmp

Filesize
4KB

Download

Analysis

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