a02969bf2a37873189c8906232e7a694ab2386018b3f7eab808dd8dce38d8bb7

General

Target

4742-0.apk.dex
Size

1007KB
MD5

9f27edc898ff964adaaf24dcf18174ff
SHA1

57367a27bf3a46132182be823088650cf940b769
SHA256

a02969bf2a37873189c8906232e7a694ab2386018b3f7eab808dd8dce38d8bb7
SHA512

72d1062253f88fce33d8939ca21ae08b2eb3b26b9574aa1cf4a66ef725d777376e0792fb317e53684d891dbc1803288ae553509c2e05b2a099569715d6fe1eba

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-1-5-21-3456797065-1076791440-4146276586-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000_CLASSES\dex_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000_CLASSES\.dex	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000_CLASSES\dex_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000_CLASSES\dex_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000_CLASSES\dex_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000_CLASSES\dex_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000_CLASSES\.dex\ = "dex_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000_CLASSES\dex_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
556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
556	AcroRd32.exe
556	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 1288	1652	cmd.exe	28
PID 1652 wrote to memory of 1288	1652	cmd.exe	28
PID 1652 wrote to memory of 1288	1652	cmd.exe	28
PID 1288 wrote to memory of 556	1288	rundll32.exe	29
PID 1288 wrote to memory of 556	1288	rundll32.exe	29
PID 1288 wrote to memory of 556	1288	rundll32.exe	29
PID 1288 wrote to memory of 556	1288	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\4742-0.apk.dex
1⤵
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\4742-0.apk.dex
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1288
- - 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\4742-0.apk.dex"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:556

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/556-58-0x0000000074C71000-0x0000000074C73000-memory.dmp

Filesize
8KB

Download
memory/1652-54-0x000007FEFB781000-0x000007FEFB783000-memory.dmp

Filesize
8KB

Download