f3c89d61e7f08cfe93e10cbd129e163709b32941745c50063e55573cd4dc6ede

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 01:40

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General

Target

sisbkup.dll
Size

17KB
MD5

922f1d9239e509f15eb1ba97fa0b4cd6
SHA1

bded45c5d53caa1ee9059fae98dc6733d7564ac0
SHA256

c68f159a223452461794a99efc3edeb891e95ce2e73f1b141b5c163f5cac26f4
SHA512

65b97a64033d17515d8f6a02cb05f9b459d9f75ddcc8869ab6185747cf63f0d0ef9b37b8d0cd11e09d61d8064d799273b7025742b71ab4a1398b3d134053825b
SSDEEP

384:0fkJ1x3mA5ftFMA4Qb0k8YPhgBrBlp2i+PhECWbC8WzeJ:0fkxmwtF3+k8YPhgjlohTI

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2552	3012	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 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 2372 wrote to memory of 3012	2372	rundll32.exe	30
PID 3012 wrote to memory of 2552	3012	rundll32.exe	31
PID 3012 wrote to memory of 2552	3012	rundll32.exe	31
PID 3012 wrote to memory of 2552	3012	rundll32.exe	31
PID 3012 wrote to memory of 2552	3012	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\sisbkup.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\sisbkup.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 224
    3⤵
    - Program crash
    PID:2552

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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