loaderbot | 63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af

Analysis

max time kernel
154s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
31/07/2022, 09:00

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General

Target

63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.exe
Size

16KB
MD5

acb9327652cb45612d74bb4f299d1827
SHA1

d77220ddb4399b11c9b990c44ca1331664b4e360
SHA256

63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af
SHA512

43765a231981370bbcfd292984f6d3ed09cbbe179c5c8cf87a2289aaa75b5b6eb3d791231edf8866dfe90b3923043ed16c92414832f84bf6d34cf11f06464f29

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/2588-130-0x0000000000B30000-0x0000000000B3A000-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	63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.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-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.exe"	63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.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
4576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2588	63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2588	63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2588	63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 1500	2588	63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.exe	82
PID 2588 wrote to memory of 1500	2588	63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.exe	82
PID 2588 wrote to memory of 1500	2588	63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.exe	82
PID 1500 wrote to memory of 4576	1500	cmd.exe	84
PID 1500 wrote to memory of 4576	1500	cmd.exe	84
PID 1500 wrote to memory of 4576	1500	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.exe
"C:\Users\Admin\AppData\Local\Temp\63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.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:2588
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1500
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\63f8e07b61c7e5dd2e5a643c339eae94e39c97da9e6f0551f48a7740ae4051af.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
    3⤵
    - Creates scheduled task(s)
    PID:4576

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

Replay Monitor

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Downloads

memory/2588-130-0x0000000000B30000-0x0000000000B3A000-memory.dmp

Filesize
40KB

Download
memory/2588-132-0x0000000005880000-0x00000000058E6000-memory.dmp

Filesize
408KB

Download