c465d4f122c809bd22cdede1b082a39053f45dac204ae006760693545e4af73c

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 10:29

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General

Target

MCentersLibrary.pdb
Size

2.3MB
MD5

d4b625cca72fe9e2d5c9ca5f13c0026b
SHA1

657916ecc23836c0fb67f2ff4ba85df3ae048a32
SHA256

d14508dde9515bcd41fbf5b08285891f51075ad796da925e55f5e7aabed9da15
SHA512

97f59bb0da5fb0f59c184c4de0f3813601e04abc354fc2904d5880e78af675acb9f43a781cb8f324b3e596bcdd3169859a01711a8de7c6b50fb85fc9574e9a7a
SSDEEP

49152:MueK55OR5w6SxtNdhKNzsHT/JYPHJgexZQlRjjn10piVkp2tImyKt/BeslqArbko:MQ96SxtNB/JYPHJgexZQlRjjn10piVk+

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

Processes:

AcroRd32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 1 IoCs

Processes:

rundll32.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid	Process
2820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid	Process
2820	AcroRd32.exe
2820	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	Process	procid_target
PID 1320 wrote to memory of 2152	1320	cmd.exe	32
PID 1320 wrote to memory of 2152	1320	cmd.exe	32
PID 1320 wrote to memory of 2152	1320	cmd.exe	32
PID 2152 wrote to memory of 2820	2152	rundll32.exe	33
PID 2152 wrote to memory of 2820	2152	rundll32.exe	33
PID 2152 wrote to memory of 2820	2152	rundll32.exe	33
PID 2152 wrote to memory of 2820	2152	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MCentersLibrary.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\MCentersLibrary.pdb
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2152
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\MCentersLibrary.pdb"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
a429ff0b713d503df08bc71eddba65ba

SHA1
58c4383933c316fa82fd79a2db247a98b2b8abe7

SHA256
be534f9fa2b7ca9aa89e32ee6f734f7b7cf33f5d938286aad926fb726513b334

SHA512
6c82cbe41d2800dd3c1ea2d57243713d91f9c2b38500db3d810770f48d3a99bc8db3450a21c8d228e47869a1e99383ca88eb5b7c06972a64abaccf2266bcbbc5

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