smokeloader | 808a871b69861985dca9acbc00c8a78a22008aa58f741263498e77319ef04e6d

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 13:33

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General

Target

336454ac34e8f8e0a87e35d3e140b5507a59fd100211f19c9f52829fb94ebe69.exe
Size

161KB
MD5

26372b0b4b307a2d1b7ed4e6039ba23e
SHA1

423a2290db7b757245efc42327ac9667c0bd91c6
SHA256

336454ac34e8f8e0a87e35d3e140b5507a59fd100211f19c9f52829fb94ebe69
SHA512

c0e868d9cfa9c843c12790a3e7a442117952039ebc6c1852b51c6f490d7429d6950fab1666f7d24d69ec90aad4420fa3c3575a12952e4bfdc116e1cd48356ad3
SSDEEP

1536:YY55gZdDecFo+b3K//ErpPriC8YEJfIHooSi6B35R5W3ScYCcojrECIMckz+rug:hiZUCzKhJfIHBs35npcYCcsECIMckz+

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Downloads MZ/PE file
Deletes itself 1 IoCs

Processes:

pid process

1212

pid	process
1212

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:

336454ac34e8f8e0a87e35d3e140b5507a59fd100211f19c9f52829fb94ebe69.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	336454ac34e8f8e0a87e35d3e140b5507a59fd100211f19c9f52829fb94ebe69.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	336454ac34e8f8e0a87e35d3e140b5507a59fd100211f19c9f52829fb94ebe69.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	336454ac34e8f8e0a87e35d3e140b5507a59fd100211f19c9f52829fb94ebe69.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

336454ac34e8f8e0a87e35d3e140b5507a59fd100211f19c9f52829fb94ebe69.exe

pid	process
2236	336454ac34e8f8e0a87e35d3e140b5507a59fd100211f19c9f52829fb94ebe69.exe
2236	336454ac34e8f8e0a87e35d3e140b5507a59fd100211f19c9f52829fb94ebe69.exe
1212
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1212

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

336454ac34e8f8e0a87e35d3e140b5507a59fd100211f19c9f52829fb94ebe69.exe

pid process

2236 336454ac34e8f8e0a87e35d3e140b5507a59fd100211f19c9f52829fb94ebe69.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid process

1212
1212
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

pid process

1212
1212

pid	process
1212
1212

pid	process
1212
1212

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1212 wrote to memory of 2328	1212		cmd.exe
PID 1212 wrote to memory of 2328	1212		cmd.exe
PID 1212 wrote to memory of 2328	1212		cmd.exe
PID 2328 wrote to memory of 2020	2328	cmd.exe	reg.exe
PID 2328 wrote to memory of 2020	2328	cmd.exe	reg.exe
PID 2328 wrote to memory of 2020	2328	cmd.exe	reg.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\336454ac34e8f8e0a87e35d3e140b5507a59fd100211f19c9f52829fb94ebe69.exe
"C:\Users\Admin\AppData\Local\Temp\336454ac34e8f8e0a87e35d3e140b5507a59fd100211f19c9f52829fb94ebe69.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2236

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\E4B4.bat" "
1⤵
- Suspicious use of WriteProcessMemory
PID:2328

C:\Windows\system32\reg.exe
reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
2⤵
PID:2020

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

C:\Users\Admin\AppData\Local\Temp\E4B4.bat
Filesize
77B

MD5
55cc761bf3429324e5a0095cab002113

SHA1
2cc1ef4542a4e92d4158ab3978425d517fafd16d

SHA256
d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a

SHA512
33f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155

Download Submit
memory/1212-4-0x00000000029D0000-0x00000000029E6000-memory.dmp

Filesize
88KB

Download
memory/2236-2-0x00000000003A0000-0x00000000003AB000-memory.dmp

Filesize
44KB

Download
memory/2236-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2236-3-0x0000000000400000-0x0000000001F00000-memory.dmp

Filesize
27.0MB

Download
memory/2236-5-0x0000000000400000-0x0000000001F00000-memory.dmp

Filesize
27.0MB

Download