2acd35129a22225aac7b32a7f18370e14850e17434ac1aa195d23e45c2176405

Analysis

max time kernel
117s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29/07/2024, 11:42

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General

Target
$PLUGINSDIR/Sibuia.dll
Size 524KB
Sample240729-nvdebs1dmc
SHA256 7938db73242aafbe80915e4ca886d38be9b7e872b93bdae1e8ee6cf4a005b7d9
MD5 6a3c3c97e92a5949f88311e80268bbb5
SHA1 48c11e3f694b468479bc2c978749d27b5d03faa2
SHA512 6141886a889825ccdfa59a419f7670a34ef240c4f90a83bc17223c415f2fbd983280e98e67485710e449746b5bf3284907537bef6ab698a48954dd4910ddf693
SSDEEP 12288:yFlW+6yL4qXm3e39uB9dk6M6g89vYyw7UwogmySQk9GS168q:y/L6yL44oAP7LD7UvCaGSlq
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2140	3068	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 2680 wrote to memory of 3068	2680	rundll32.exe	30
PID 2680 wrote to memory of 3068	2680	rundll32.exe	30
PID 2680 wrote to memory of 3068	2680	rundll32.exe	30
PID 2680 wrote to memory of 3068	2680	rundll32.exe	30
PID 2680 wrote to memory of 3068	2680	rundll32.exe	30
PID 2680 wrote to memory of 3068	2680	rundll32.exe	30
PID 2680 wrote to memory of 3068	2680	rundll32.exe	30
PID 3068 wrote to memory of 2140	3068	rundll32.exe	31
PID 3068 wrote to memory of 2140	3068	rundll32.exe	31
PID 3068 wrote to memory of 2140	3068	rundll32.exe	31
PID 3068 wrote to memory of 2140	3068	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Sibuia.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Sibuia.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3068
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 248
    3⤵
    - Program crash
    PID:2140

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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