aaa5b307a530fd1d0a570b258663b33e8a60efeb89391d59300c671c8e2ba2e5

Analysis

max time kernel
82s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 19:55

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General

Target

优易163邮箱注册机 1.1 绿色版/spec.dll
Size

88KB
MD5

51d7be0ca4431fec32d0ba0978cb2cae
SHA1

1aa65ca721bd881b615b16602f6bc7cc4c7d74d8
SHA256

1e4d44d3a865a766517057c199eda71e005e56c13fce2c4137b66d185a416986
SHA512

5cf2214bc60dde261f44aa339ba1943f5c9b70337a11d064185224b3dcfc705e55386c95de280b6d05c4b60a318abbfa3d5728724c28dfc009d57c3bbfd76ef5
SSDEEP

1536:DcrPILJRJT/DpWc6hVoabwhfoeW7JsVRj0:QrMW1ojfolax0

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 1120 wrote to memory of 2164	1120	rundll32.exe	29
PID 1120 wrote to memory of 2164	1120	rundll32.exe	29
PID 1120 wrote to memory of 2164	1120	rundll32.exe	29
PID 1120 wrote to memory of 2164	1120	rundll32.exe	29
PID 1120 wrote to memory of 2164	1120	rundll32.exe	29
PID 1120 wrote to memory of 2164	1120	rundll32.exe	29
PID 1120 wrote to memory of 2164	1120	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\优易163邮箱注册机 1.1 绿色版\spec.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\优易163邮箱注册机 1.1 绿色版\spec.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2164

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

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Downloads

memory/2164-1-0x0000000001EC0000-0x0000000001FDA000-memory.dmp

Filesize
1.1MB

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