a0ab20d46bccc7ea9582142fc74ba76c12c1f0aa63abd7ff3310d3b1d546c285

Analysis

max time kernel
80s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 15:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$PLUGINSDIR/InstallerStuff.dll
Size

115KB
MD5

bcbacda49fb2c44fee595cbc82036242
SHA1

a33356996c7b3e032693bb373bbde2acf72cc469
SHA256

77ecf5896f33bbc002f00dd4742c00a20981bbc618563e49f34ea8f740da890d
SHA512

18c44cedb9b0fbd301ad9cbe5ebafe66d16380090baa41697f3224a5086313c61420730e8a5050fa7de31e2f47dbd21259d6758cf84557e0c34b901a93c4ddc0
SSDEEP

1536:zF/lMOy6cWef0K9CWGHyAkeW2Ku+odcI9sWjcdJlBD+4p4iq5:VlMnTIpSAkeuu+oenBD+4p4ii

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	2724	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2724	2208	rundll32.exe	30
PID 2208 wrote to memory of 2724	2208	rundll32.exe	30
PID 2208 wrote to memory of 2724	2208	rundll32.exe	30
PID 2208 wrote to memory of 2724	2208	rundll32.exe	30
PID 2208 wrote to memory of 2724	2208	rundll32.exe	30
PID 2208 wrote to memory of 2724	2208	rundll32.exe	30
PID 2208 wrote to memory of 2724	2208	rundll32.exe	30
PID 2724 wrote to memory of 2728	2724	rundll32.exe	31
PID 2724 wrote to memory of 2728	2724	rundll32.exe	31
PID 2724 wrote to memory of 2728	2724	rundll32.exe	31
PID 2724 wrote to memory of 2728	2724	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallerStuff.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallerStuff.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 232
    3⤵
    - Program crash
    PID:2728

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

Loading Replay Monitor...