522c844f4b9da61dfad183a03f7268c8eab203ac7bb75a1bcc14e96c45acc3f4

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 06:52

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General

Target

Nemui-main/NewestVersion.json
Size

4B
MD5

25198dbbb5f787214992c13a596f5751
SHA1

2e1d6e852c9d321bb37cb601ab2a6d97e323153e
SHA256

9d2bf356d838faba1759efd3e9de32647bd68e9da8c92878074b392872e9f04e
SHA512

d70685d710aa3b76806aaad3f6aa02bd5dfa8eed3e06fca55f3467fa8326f10bde4449a5710c2810d457f8752deb1c20f5f42d5f2384205ec3ae908edbced3f8

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1588	AcroRd32.exe
1588	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2908	2240	cmd.exe	29
PID 2240 wrote to memory of 2908	2240	cmd.exe	29
PID 2240 wrote to memory of 2908	2240	cmd.exe	29
PID 2908 wrote to memory of 1588	2908	rundll32.exe	30
PID 2908 wrote to memory of 1588	2908	rundll32.exe	30
PID 2908 wrote to memory of 1588	2908	rundll32.exe	30
PID 2908 wrote to memory of 1588	2908	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nemui-main\NewestVersion.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Nemui-main\NewestVersion.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Nemui-main\NewestVersion.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
655f8c4b77eb99e4be4c1c774a2f9931

SHA1
9a8d97ac53c074bc686c9199fb416e8f1ccf538b

SHA256
34f4fd52e6ee5162586caaafcd244df4c84ea954c30212f160e9d6cd6d1111f8

SHA512
f011491736133d380e49d69f685f55927bcef50756a58064a0698c5aa1022d21e89d3c361668ee78c7c7367952f717585c4d0f888c7737050ce8f35ef7b57b74

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