74fe00e6fdc73fc082553e31b9038969df858ae93e099465f15bdf071b4e2c18

Analysis

max time kernel
130s
max time network
30s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
27/06/2023, 04:17

Target

yarrdisassembly.asm
Size

31KB
MD5

8ea62c10ca63e43c4bfdd892b24c4648
SHA1

9fda74b764b6c8f94488221e0ea9cc31e951a0c5
SHA256

74fe00e6fdc73fc082553e31b9038969df858ae93e099465f15bdf071b4e2c18
SHA512

e92b1d0f3dfa5cd63d8a961e5320d5841896f74702142a934ca754d70412178bde8a45cdeb9031b4be1f417822013f0e6de59e342f9422f3417f8bad62258845
SSDEEP

768:dIK9zE2X3nmhKiXPN0MX+I98KA4XOrNNrO2kbNs:dIK9zE2X3nmhKi/N0MX+I9DOrNNrOZbm

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1437583205-2177757337-340526699-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1316	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 1316	1244	cmd.exe	29
PID 1244 wrote to memory of 1316	1244	cmd.exe	29
PID 1244 wrote to memory of 1316	1244	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\yarrdisassembly.asm
1⤵
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\yarrdisassembly.asm
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1316

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact