2aba1393ad9d161d34c473e633196be971ac8d13a988fb4206568d739a8b5cfb

Analysis

max time kernel
361s
max time network
363s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 02:24

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General

Target

RLTool.pdb
Size

14KB
MD5

6f6d3f30c60fdc60dcd10c4b13bf72a0
SHA1

775da21bdf30829dc16829925c3410d56b9c6f4c
SHA256

2cd387280e7695845791270b2e2e24b32598ae954c6e133091d06cbd8921351e
SHA512

02b5bfa73afb7ad855698c22ad601f559aa3c79735d12a3571b149f81f8e2eb5fb71cb20f5d6fda84591aa38ec9458b5e145bedbb2dc636d6161dbdb3f736464
SSDEEP

384:f/pZ41dtB10dapq/6PhR+6KhBiHuBE9a7d0+2uAuVo73HafyEVAn1wh1WNhcsnVX:Hp2L9244ZtAivAVK9jW

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

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

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.pdb	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\pdb_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\pdb_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2628	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2628	AcroRd32.exe
2628	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 596 wrote to memory of 592	596	cmd.exe	32
PID 596 wrote to memory of 592	596	cmd.exe	32
PID 596 wrote to memory of 592	596	cmd.exe	32
PID 592 wrote to memory of 2628	592	rundll32.exe	33
PID 592 wrote to memory of 2628	592	rundll32.exe	33
PID 592 wrote to memory of 2628	592	rundll32.exe	33
PID 592 wrote to memory of 2628	592	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RLTool.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:596
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RLTool.pdb
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:592
- - 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\RLTool.pdb"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2628

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

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Downloads

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

Filesize
3KB

MD5
0631276ef13949f5a66775e0880ca099

SHA1
32f7ef090aad02cd526a5fba59e26a03c08358b7

SHA256
364a463dacdc644c5a797f3a193fbe6c6b90535a69a83e099a1e01f70e42cb0d

SHA512
d9f789a5cb55443d6d5af0df6870d73674ded82bb44b7cbb278fccceacc4f4b19e5f65fdd126773c0d94091cfc07a7add381ed736e1e7b46bb5f9692081208a5

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