2e82a97d5d66d5ad76ab52e8cc583bb3c33997207220e815de29637d5a74f18b

Resubmissions

13/08/2024, 22:21 UTC

240813-19156ayhrh 3

13/08/2024, 22:16 UTC

240813-16tlxatemj 5

Analysis

max time kernel
14s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
13/08/2024, 22:21 UTC

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General

Target

dotnet/System.Collections.Specialized.dll
Size

85KB
MD5

53687e100f184ee2989faa0c6c053767
SHA1

f137416fc519b658ad55d51af5dce8204d6d1dc5
SHA256

8f84e72236a663590c00aa8695f304383dbc155421d40c6b95c6d1733ed718b8
SHA512

38788dba93e2909c70afa40de6d39f335121ecfb74f50ca574b8dcffbf1571bca68f35122eeec65b342cf9c7a5814337bf5eac565b38037687dec5873bd2f3c3
SSDEEP

1536:QHo5ByLCiYvkCj8vYyY20Y5sTbk1o8DvWZzT:QI5HiYsCYgyY20Y5ybMo8iv

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 2036 wrote to memory of 1724	2036	rundll32.exe	29
PID 2036 wrote to memory of 1724	2036	rundll32.exe	29
PID 2036 wrote to memory of 1724	2036	rundll32.exe	29
PID 2036 wrote to memory of 1724	2036	rundll32.exe	29
PID 2036 wrote to memory of 1724	2036	rundll32.exe	29
PID 2036 wrote to memory of 1724	2036	rundll32.exe	29
PID 2036 wrote to memory of 1724	2036	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dotnet\System.Collections.Specialized.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dotnet\System.Collections.Specialized.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1724

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

Windows 7 deprecation

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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