loaderbot | 579362fb816b5023ec8acda34922cbfa895478830cb01d9289d6ec8274fdda32

Analysis

max time kernel
147s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/12/2022, 13:21

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General

Target
be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe
Size 16KB
Sample221227-qlrayaeh78
SHA256 be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf
MD5 f89c8ea8f1244b7db2691a332c390bc0
SHA1 fdd2f0aee437223fffddfc6f79cae6c33ced27f7
SHA512 f7e14486fbf4fef198327b618ebd7b06b6518838786ec5aa5d387864081a16b2a52fc7e3f4873f1400a268e7ff944a0206baec35b2502ed96c865585120202ba
SSDEEP 384:u82LvwPzlH19GTXjdhUR5uujYcV6AUwJFZb:u8iCRV9Ahi5fYcV6Dw9b
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

loaderbot loader miner persistence

Malware Config

Signatures

LoaderBot
LoaderBot is a loader written in .NET downloading and executing miners.
loader miner loaderbot

LoaderBot executable 1 IoCs

resource	yara_rule
behavioral2/memory/4456-132-0x0000000000520000-0x000000000052A000-memory.dmp	loaderbot

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Webhost.url	be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe"	be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe

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

T1053

pid	Process
4300	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4456	be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4456	be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4456	be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 2588	4456	be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe	81
PID 4456 wrote to memory of 2588	4456	be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe	81
PID 4456 wrote to memory of 2588	4456	be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe	81
PID 2588 wrote to memory of 4300	2588	cmd.exe	83
PID 2588 wrote to memory of 4300	2588	cmd.exe	83
PID 2588 wrote to memory of 4300	2588	cmd.exe	83

C:\Users\Admin\AppData\Local\Temp\be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe
"C:\Users\Admin\AppData\Local\Temp\be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\be996ac9a6cfded613ad5a32d67b731a92e1c30fd20b0039f630a2c4748f7aaf.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
    3⤵
    - Creates scheduled task(s)
    PID:4300

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4456-132-0x0000000000520000-0x000000000052A000-memory.dmp

Download

memory/4456-135-0x0000000005280000-0x00000000052E6000-memory.dmp

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