57f192912a082c6e1050024c27208e34e3f0b1ab9260ccceb27d6801b86a4956

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
07/10/2024, 13:43

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General

Target

jailer.dll
Size

68KB
MD5

b27418eaf58dd7af2a04e79396069737
SHA1

b2d50a8699a34ec2af3a08be4b9a00fd8c7a5985
SHA256

a1b7d3a3c2038d13e8b1b338c1027352133c8b77e0337c50d5852d4a4b310210
SHA512

0fa8757f6c67690f23574208db548705da23f0c7a8b5aa038876495d98748a046ca84486ae5900b8052ef2ca735ab4b9f6529c6e05a390cec8dd2c897f1bba6d
SSDEEP

768:9A5HHymr9ogwwOFpsmdh6PXhBUr92ff+JupEo+FKdmcNiHdVtLsU:9A5yQo5wsbdhQxmvho+USbtLsU

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2320	2100	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 2296 wrote to memory of 2100	2296	rundll32.exe	30
PID 2296 wrote to memory of 2100	2296	rundll32.exe	30
PID 2296 wrote to memory of 2100	2296	rundll32.exe	30
PID 2296 wrote to memory of 2100	2296	rundll32.exe	30
PID 2296 wrote to memory of 2100	2296	rundll32.exe	30
PID 2296 wrote to memory of 2100	2296	rundll32.exe	30
PID 2296 wrote to memory of 2100	2296	rundll32.exe	30
PID 2100 wrote to memory of 2320	2100	rundll32.exe	31
PID 2100 wrote to memory of 2320	2100	rundll32.exe	31
PID 2100 wrote to memory of 2320	2100	rundll32.exe	31
PID 2100 wrote to memory of 2320	2100	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jailer.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jailer.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 224
    3⤵
    - Program crash
    PID:2320

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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