smokeloader | b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034

Analysis

max time kernel
152s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2023 01:46

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General

Target

b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
Size

252KB
MD5

aa61de6ebd02482cd16996c6f42ba8ab
SHA1

dea6f794cf98f0084bf14916d956818169a36b76
SHA256

b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034
SHA512

2c638be845bd245db502abee66de6eac9a96348f2e9f81e43bcf648e14caba3d2f075f4f25261ed1ae9ae542f268d36a6214bc08fec958b6eb9e6d8d42c952e3
SSDEEP

3072:ajHIbQtMJSCTEKvAw2P7bhICAgYGlA5XFAf0jDb+:aEEtMJNEYAw2TCgvcX2MD

Score

10^/10

smokeloader up3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Deletes itself 1 IoCs

Processes:

pid process

3196

pid	process
3196

Suspicious use of SetThreadContext 1 IoCs

Processes:

b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe

description	pid	process	target process
PID 2740 set thread context of 652	2740	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe

pid	process
652	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
652	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
3196
3196
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3196
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3196
3196

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

3196
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe

pid process

652 b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe

pid	process
3196

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

description	pid	process
Token: SeShutdownPrivilege	3196
Token: SeCreatePagefilePrivilege	3196
Token: SeShutdownPrivilege	3196
Token: SeCreatePagefilePrivilege	3196
Token: SeShutdownPrivilege	3196
Token: SeCreatePagefilePrivilege	3196
Token: SeShutdownPrivilege	3196
Token: SeCreatePagefilePrivilege	3196

Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid process

3196

pid	process
3196

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe

description	pid	process	target process
PID 2740 wrote to memory of 652	2740	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
PID 2740 wrote to memory of 652	2740	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
PID 2740 wrote to memory of 652	2740	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
PID 2740 wrote to memory of 652	2740	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
PID 2740 wrote to memory of 652	2740	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
PID 2740 wrote to memory of 652	2740	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe	b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe

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\b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
"C:\Users\Admin\AppData\Local\Temp\b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2740

C:\Users\Admin\AppData\Local\Temp\b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
"C:\Users\Admin\AppData\Local\Temp\b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/652-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/652-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/652-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2740-1-0x00000000009C0000-0x0000000000AC0000-memory.dmp

Filesize
1024KB

Download
memory/2740-2-0x00000000009B0000-0x00000000009B9000-memory.dmp

Filesize
36KB

Download
memory/3196-5-0x00000000037B0000-0x00000000037C6000-memory.dmp

Filesize
88KB

Download
memory/3196-14-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-17-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-18-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-22-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-24-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-28-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-30-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-32-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-34-0x0000000008030000-0x0000000008040000-memory.dmp

Filesize
64KB

Download
memory/3196-33-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-42-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-44-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-46-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-49-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-48-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-47-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-45-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-41-0x0000000008050000-0x0000000008060000-memory.dmp

Filesize
64KB

Download
memory/3196-40-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-39-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-38-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-36-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-29-0x0000000008050000-0x0000000008060000-memory.dmp

Filesize
64KB

Download
memory/3196-27-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-26-0x0000000008050000-0x0000000008060000-memory.dmp

Filesize
64KB

Download
memory/3196-25-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-20-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-19-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-16-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-15-0x0000000008030000-0x0000000008040000-memory.dmp

Filesize
64KB

Download
memory/3196-13-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-50-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-51-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-52-0x00000000032C0000-0x00000000032D0000-memory.dmp

Filesize
64KB

Download
memory/3196-54-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-53-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-55-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-57-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-56-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-59-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-61-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-62-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-63-0x00000000032D0000-0x00000000032E0000-memory.dmp

Filesize
64KB

Download
memory/3196-64-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-65-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-66-0x0000000003280000-0x0000000003290000-memory.dmp

Filesize
64KB

Download
memory/3196-67-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-69-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-71-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-73-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-75-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-76-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-78-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-77-0x0000000003280000-0x0000000003290000-memory.dmp

Filesize
64KB

Download
memory/3196-80-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-82-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-81-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-79-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-85-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-84-0x0000000008020000-0x0000000008030000-memory.dmp

Filesize
64KB

Download
memory/3196-86-0x0000000003280000-0x0000000003290000-memory.dmp

Filesize
64KB

Download