9711e0f1f4b1ea97ecf7ddfe05b27c8f712533c2141f6e2b064d636076e76652

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/12/2024, 21:27

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

ee260c45e97b62a5e42f17460d406068
SHA1

df35f6300a03c4d3d3bd69752574426296b78695
SHA256

e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
SHA512

a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3
SSDEEP

192:eF24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol9Sl:h8QIl975eXqlWBrz7YLOl9

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1660	2280	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 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2112 wrote to memory of 2280	2112	rundll32.exe	30
PID 2280 wrote to memory of 1660	2280	rundll32.exe	31
PID 2280 wrote to memory of 1660	2280	rundll32.exe	31
PID 2280 wrote to memory of 1660	2280	rundll32.exe	31
PID 2280 wrote to memory of 1660	2280	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2280
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 224
    3⤵
    - Program crash
    PID:1660

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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