59e0d15fcdf92551a204c7e71776a88f54ea9df74e2ba2cfb04e7582c04dec81

Analysis

max time kernel
158s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
13-05-2023 06:48

Target

Hoic/DutchFreedom.hoic
Size

6KB
MD5

8545406e9887fff9b7d23bd8d1ba827a
SHA1

e6466fb5db89ef1c4a56397559fed06f3391f5bf
SHA256

21982480e0c5ed17ecdab367916d96869391a8b1bcfc8d3ca2b29c7b651d35c6
SHA512

66eb3e354d7209fded5ae07ba17f2e64349369189e936c8ded941705e73592c91bc5dc3dc631cf6b8d155c5e9d540e0b107e30ea126d5627abe806c749fd1278
SSDEEP

48:tmoNnhrpZijIZ+jtC/HVYfvBJvBzrvSpv7i0sYRv5YLiY2diVSNIgguhYb2BCcCC:tmoNlfZ+jnPNCmi5RVTCt+vML2XBRp

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 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\hoic_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\hoic_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\hoic_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.hoic	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.hoic\ = "hoic_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\hoic_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\hoic_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\hoic_auto_file	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
928	AcroRd32.exe
928	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 1512	1320	cmd.exe	29
PID 1320 wrote to memory of 1512	1320	cmd.exe	29
PID 1320 wrote to memory of 1512	1320	cmd.exe	29
PID 1512 wrote to memory of 928	1512	rundll32.exe	30
PID 1512 wrote to memory of 928	1512	rundll32.exe	30
PID 1512 wrote to memory of 928	1512	rundll32.exe	30
PID 1512 wrote to memory of 928	1512	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Hoic\DutchFreedom.hoic
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\Hoic\DutchFreedom.hoic
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1512
- - 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\Hoic\DutchFreedom.hoic"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:928

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact