39b937c05c2663bc03ac7adef28c81bcfc69c0cb9ae323b0441b0d44ab6f44be

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-09-2024 01:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

39b937c05c2663bc03ac7adef28c81bcfc69c0cb9ae323b0441b0d44ab6f44be.dll
Size

25.4MB
MD5

1b23c43f9bbe33977e75d418e01942e9
SHA1

ba289649745a1cc7f1d5e8f91fed120580299be9
SHA256

39b937c05c2663bc03ac7adef28c81bcfc69c0cb9ae323b0441b0d44ab6f44be
SHA512

c5ec631acfdb8ca0dad846b355e41005039eb433629acc3ef59b2c0ec54b1f646963b88f3c1db7de25db6be420a0308d71ce8e2f366275f09e56714b481a195e
SSDEEP

393216:/T58Pr2ZuY2BEx0HwgkgK7tAydzR8g9k/mSc4imR59zr89l64VZnE5RKhOk:kMuY2BExl79zk/mNVI9H89lL3E5RKhO

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1992	rundll32.exe
1992	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2916	1992	WerFault.exe	31

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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
1992	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 1992	2232	rundll32.exe	31
PID 2232 wrote to memory of 1992	2232	rundll32.exe	31
PID 2232 wrote to memory of 1992	2232	rundll32.exe	31
PID 2232 wrote to memory of 1992	2232	rundll32.exe	31
PID 2232 wrote to memory of 1992	2232	rundll32.exe	31
PID 2232 wrote to memory of 1992	2232	rundll32.exe	31
PID 2232 wrote to memory of 1992	2232	rundll32.exe	31
PID 1992 wrote to memory of 2916	1992	rundll32.exe	32
PID 1992 wrote to memory of 2916	1992	rundll32.exe	32
PID 1992 wrote to memory of 2916	1992	rundll32.exe	32
PID 1992 wrote to memory of 2916	1992	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\39b937c05c2663bc03ac7adef28c81bcfc69c0cb9ae323b0441b0d44ab6f44be.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\39b937c05c2663bc03ac7adef28c81bcfc69c0cb9ae323b0441b0d44ab6f44be.dll,#1
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 300
    3⤵
    - Program crash
    PID:2916

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1992-0-0x00000000021E0000-0x0000000003B62000-memory.dmp

Filesize
25.5MB

Download
memory/1992-1-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1992-3-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1992-5-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1992-6-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/1992-8-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/1992-10-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/1992-11-0x00000000021E0000-0x0000000003B62000-memory.dmp

Filesize
25.5MB

Download