49b0c588abedc0239ef9580de207baa36d220ac82125bc65a6a3398692c66f24

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 00:16

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General

Target

215b48d49b04ccd8fc8951b9dfa8f59d.exe
Size

7KB
MD5

215b48d49b04ccd8fc8951b9dfa8f59d
SHA1

51208df94b3186cdb5887f20f158caa93f01ca09
SHA256

49b0c588abedc0239ef9580de207baa36d220ac82125bc65a6a3398692c66f24
SHA512

cb5025d9b9c13fcfe9da0ec4bb5318553518c7f539a6dc751fa3e313fbc6252a79bc69ac428ff36863f967156340aec6cbe5bed1aa794d454304176ebd0d3962
SSDEEP

96:AFB26INK4u5V0XzhjCb0q9Md57iZriH6sFwLcjOjVlNvCZM:Wr4520TsriH6sFwL5jfNmM

Score

8^/10

persistence

Malware Config

Signatures

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\kkvk\ImagePath = "\\??\\C:\\Windows\\Fonts\\kkvk.fon"	rundll32.exe

Loads dropped DLL 4 IoCs

pid	Process
2488	rundll32.exe
2488	rundll32.exe
2488	rundll32.exe
2488	rundll32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\kkvk.fon	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3012	215b48d49b04ccd8fc8951b9dfa8f59d.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2488	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2700	3012	215b48d49b04ccd8fc8951b9dfa8f59d.exe	28
PID 3012 wrote to memory of 2700	3012	215b48d49b04ccd8fc8951b9dfa8f59d.exe	28
PID 3012 wrote to memory of 2700	3012	215b48d49b04ccd8fc8951b9dfa8f59d.exe	28
PID 3012 wrote to memory of 2700	3012	215b48d49b04ccd8fc8951b9dfa8f59d.exe	28
PID 2700 wrote to memory of 2488	2700	cmd.exe	30
PID 2700 wrote to memory of 2488	2700	cmd.exe	30
PID 2700 wrote to memory of 2488	2700	cmd.exe	30
PID 2700 wrote to memory of 2488	2700	cmd.exe	30
PID 2700 wrote to memory of 2488	2700	cmd.exe	30
PID 2700 wrote to memory of 2488	2700	cmd.exe	30
PID 2700 wrote to memory of 2488	2700	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\215b48d49b04ccd8fc8951b9dfa8f59d.exe
"C:\Users\Admin\AppData\Local\Temp\215b48d49b04ccd8fc8951b9dfa8f59d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\cmd.exe
  cmd /c rundll32 Runt.dll,RundllTest
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 Runt.dll,RundllTest
    3⤵
    - Sets service image path in registry
    - Loads dropped DLL
    - Drops file in Windows directory
    - Suspicious behavior: LoadsDriver
    PID:2488

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:\Users\Admin\AppData\Local\Temp\Runt.dll

Filesize
5KB

MD5
6f77616bcb050a69bdf95736c864a2e6

SHA1
a0f0d11c0c84e07c786f188122c2c28e87208009

SHA256
f83b1b32e262094c24da2b2a8b4e3923a4d99ed91142bda14536569702e8e87f

SHA512
cedfce4634f7c8049e3020c68265a7402bc98d8f35669ac8391f271129a931b482af8572942f6d1591562f2e44609761c6214db77d2a33b2d012a7bec8ce08b6

Download Submit
memory/2488-8-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/2488-10-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/3012-0-0x0000000013140000-0x0000000013143000-memory.dmp

Filesize
12KB

Download
memory/3012-2-0x0000000013140000-0x0000000013143000-memory.dmp

Filesize
12KB

Download