a3b612d69c2103a44592b183228c50f9239048bf410f422a76a011cf9e05c43a

Resubmissions

19/11/2024, 19:00

241119-xn2m1szfpa 4

19/11/2024, 18:48

241119-xfzhpa1bnp 4

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 18:48

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General

Target

CheckUpdate.dll
Size

1.1MB
MD5

519d10cf74f2284f1181773afb06fd7a
SHA1

d8cd44f8ba8daf5ad3be1da3f1fc9381cf920578
SHA256

d27531ffca6cf945b8f4471c4f86e6513511b22c559867fff1f8444c42ca8dd4
SHA512

6f60387c0ba4d7561e328d98631afd005ea07a3c81a6bf917154e93825b0b9331793dbd04ec056ef462f007af3cf2877ffc0509a5cb8129c094f56a1ae616e8d
SSDEEP

12288:5aCd374kDO8FXwOnYOoHw0Q2DLcM3Z/1dDmF2aJUBq9R5olf:5ak374kDO8FAfOopD53ZneVJUq7olf

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 1196	3012	rundll32.exe	30
PID 3012 wrote to memory of 1196	3012	rundll32.exe	30
PID 3012 wrote to memory of 1196	3012	rundll32.exe	30
PID 3012 wrote to memory of 1196	3012	rundll32.exe	30
PID 3012 wrote to memory of 1196	3012	rundll32.exe	30
PID 3012 wrote to memory of 1196	3012	rundll32.exe	30
PID 3012 wrote to memory of 1196	3012	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CheckUpdate.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\CheckUpdate.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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