4dde27b90148ec1030c16e5f889a204550b52a8d9debf2d6d70cf092420fbdae

Analysis

max time kernel
149s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
19/04/2023, 20:03

Target

ENZO/jbib_diff_015_a_uni.ytd
Size

180KB
MD5

9d87ab300892b3cbc7f643f51c3ce0f3
SHA1

958aff41f60ae9adefeb736afe6b2e55f88aa25e
SHA256

a1b093fff7c2e3e573e7819c11be3b60c3265ce6b3eb5ec0af1eaf8cd6764e18
SHA512

39503dc33902b700f2fdb0cb7fa92a398f8cdbba6308ccab441a608c4efe335909067498a112c3ed092be78e881ce9249dc670f75893ab57f8eb41a2848d14ce
SSDEEP

3072:gVwGH3EseLA7OFGKD1nAh9PcjtGRtAKmJxpzEScG4zDfNLPaY+t9DQGJ0tCIFBzL:gVsXOVKDuRcKtAjAI8DpCVM1FdX7

Score

3^/10

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

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\ytd_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\ytd_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\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\ytd_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.ytd\ = "ytd_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\ytd_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\ytd_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\ytd_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.ytd	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 1120	1392	cmd.exe	29
PID 1392 wrote to memory of 1120	1392	cmd.exe	29
PID 1392 wrote to memory of 1120	1392	cmd.exe	29
PID 1120 wrote to memory of 1544	1120	rundll32.exe	30
PID 1120 wrote to memory of 1544	1120	rundll32.exe	30
PID 1120 wrote to memory of 1544	1120	rundll32.exe	30
PID 1120 wrote to memory of 1544	1120	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ENZO\jbib_diff_015_a_uni.ytd
1⤵
- Suspicious use of WriteProcessMemory
PID:1392
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ENZO\jbib_diff_015_a_uni.ytd
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1120
- - 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\ENZO\jbib_diff_015_a_uni.ytd"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1544

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact