aa5a13a1c7b37ce0288b897bc0e7967e37e2a51ddd5343ea53843ff9e82627dc

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 12:48

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General

Target
RegisterIdr.dll
Size 1.4MB
Sample240901-p172ka1fkd
SHA256 f510c85b98fa6fe8d30133114a34b7f77884aa58e57a0561722eeb157dc98a38
MD5 6fdb2e9ca6b7a5ad510e2b29831e3bc8
SHA1 4a14ee9d5660eb271a6b5f18a55ac3e05f952c68
SHA512 d5248dd902d862afa060ab829fc3a39dccc26dab37737e14a3f9b90b1d3f900b3bf5821f450502a2124016acf0e84bd8979758827a92741f879b2fa4addfda06
SSDEEP 24576:BZKyPoPJJ8L8CrOT1p8XLTjNjEAVFodCG1BoaS9Q5aiy42jaiV1NwuM/uVcvTTGN:WoL8C6TeqjZ1BoFAYagbMGyvTT
MD5 SHA1 SHA512 SSDEEP

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 2660 wrote to memory of 2936	2660	rundll32.exe	31
PID 2660 wrote to memory of 2936	2660	rundll32.exe	31
PID 2660 wrote to memory of 2936	2660	rundll32.exe	31
PID 2660 wrote to memory of 2936	2660	rundll32.exe	31
PID 2660 wrote to memory of 2936	2660	rundll32.exe	31
PID 2660 wrote to memory of 2936	2660	rundll32.exe	31
PID 2660 wrote to memory of 2936	2660	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\RegisterIdr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\RegisterIdr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2936

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

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Downloads

memory/2936-0-0x00000000023D0000-0x0000000002542000-memory.dmp

Download

memory/2936-1-0x00000000023D0000-0x0000000002542000-memory.dmp