26c4fa496149077c0fc0038c9b667c9d4c6c73068f73b32a26658c9c37c24872

Analysis

max time kernel
151s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
26-05-2023 23:33

Target

English/English/dialog.rcf
Size

165.0MB
MD5

da274fc3bacfd0a4acd9d40b9ffb5d40
SHA1

6ad3395b95d33120fb32296575cc02aced6b7313
SHA256

4ff3745ba8bfa31c46940a69216beea8eff8c4b3f87d4aec56bad84e22c26869
SHA512

f528d3dc5b8a57357a5456b5113dea796c4c2dfdf9743b26cce6a7ab231cf5b4da6f470109dc167da5360e02117803a036cd04df5f4d30ea5dc117e04ad3e521
SSDEEP

3145728:3pTDuNgzvGVtfS3SwFyKtJUwWtBwAt13Lf7Yoy8AJSolzYv4chu:ZTugzOVaFVoDt1zYT8ApxYTu

Score

3^/10

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rcf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.rcf\ = "rcf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rcf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rcf_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rcf_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rcf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.rcf	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rcf_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 1728	1272	cmd.exe	29
PID 1272 wrote to memory of 1728	1272	cmd.exe	29
PID 1272 wrote to memory of 1728	1272	cmd.exe	29
PID 1728 wrote to memory of 1524	1728	rundll32.exe	30
PID 1728 wrote to memory of 1524	1728	rundll32.exe	30
PID 1728 wrote to memory of 1524	1728	rundll32.exe	30
PID 1728 wrote to memory of 1524	1728	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\English\English\dialog.rcf
1⤵
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\English\English\dialog.rcf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1728
- - 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\English\English\dialog.rcf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1524

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact