fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0

Analysis

max time kernel
22s
max time network
23s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14-05-2024 15:27

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Reason

Machine shutdown

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General

Target

fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0.exe
Size

192KB
MD5

9e8baf127b832943d4fae218ce90191a
SHA1

449e6f1c2c79cb0ee4d43151bcaa6ecfd38efa70
SHA256

fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0
SHA512

9af9e3e30c34ecad41277c0bb8e27eabaf7fa05249153ffac20262af4ed3680a5a85cc5c192b04b3da3835396ef68e4e4a8b9123c663d8cf2f3a8681db7f8114
SSDEEP

6144:b05H0JNb+gzTy9ZRTbPG9rYxf2hnbSayKTTfq+T/ur:A+uHG9rYxf2hnbSayKTTfq+T/ur

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\yar = "C:\\Users\\Admin\\AppData\\Roaming\\yar.exe"	fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2884	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	880	fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0.exe
Token: SeDebugPrivilege	880	fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0.exe
Token: SeShutdownPrivilege	2584	shutdown.exe
Token: SeRemoteShutdownPrivilege	2584	shutdown.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 2884	880	fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0.exe	28
PID 880 wrote to memory of 2884	880	fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0.exe	28
PID 880 wrote to memory of 2884	880	fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0.exe	28
PID 880 wrote to memory of 2584	880	fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0.exe	31
PID 880 wrote to memory of 2584	880	fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0.exe	31
PID 880 wrote to memory of 2584	880	fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0.exe	31

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0.exe
"C:\Users\Admin\AppData\Local\Temp\fbbb58d64ed3d52ebf0c4442588f4a19e48fd64023188fb750926b13c40df8a0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:880
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "yar" /tr "C:\Users\Admin\AppData\Roaming\yar.exe"
  2⤵
  - Creates scheduled task(s)
  PID:2884
- C:\Windows\system32\shutdown.exe
  shutdown.exe /f /s /t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2584

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2464

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/880-0-0x000007FEF5573000-0x000007FEF5574000-memory.dmp

Filesize
4KB

Download
memory/880-1-0x0000000000330000-0x0000000000368000-memory.dmp

Filesize
224KB

Download
memory/880-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/880-3-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp

Filesize
9.9MB

Download
memory/880-6-0x000007FEF5570000-0x000007FEF5F5C000-memory.dmp

Filesize
9.9MB

Download
memory/2464-5-0x0000000002E10000-0x0000000002E11000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads