smokeloader | 10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443

Analysis

max time kernel
151s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-02-2023 21:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe
Size

301KB
MD5

a5e29925fa0dee4effe250e6afa2410c
SHA1

fbb3c6aa742703de4a0cdceca91b3293d11fbbad
SHA256

10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443
SHA512

057b5bb28ce6cc0af43a7ae62962b6b8b86f264300ed19a2197c92ae92833eb7f4f6a140961a59ea25758f25ff2a1b60da880d8849c0d5839c2d707a031e88d1
SSDEEP

3072:Cp/b6bP+WLc1RGdZOFjBU0/w8Z2KPyorElUuQjiMTE5kVorNafVi:C9Y+WLc6dZODU0/wPZoIlUuQj9qrNat

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4424-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1932-135-0x0000000000590000-0x0000000000599000-memory.dmp	family_smokeloader
behavioral1/memory/4424-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4424-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe

description	pid	process	target process
PID 1932 set thread context of 4424	1932	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.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:

10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe

pid	process
4424	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe
4424	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220
2220

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2220
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe

pid process

4424 10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe

pid	process
2220

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe

description	pid	process	target process
PID 1932 wrote to memory of 4424	1932	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe
PID 1932 wrote to memory of 4424	1932	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe
PID 1932 wrote to memory of 4424	1932	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe
PID 1932 wrote to memory of 4424	1932	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe
PID 1932 wrote to memory of 4424	1932	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe
PID 1932 wrote to memory of 4424	1932	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe	10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe

C:\Users\Admin\AppData\Local\Temp\10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe
"C:\Users\Admin\AppData\Local\Temp\10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1932

C:\Users\Admin\AppData\Local\Temp\10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe
"C:\Users\Admin\AppData\Local\Temp\10aac36c87768abb238e9afbebae4e97b2fb8c6cddad774831a83769c957d443.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4424

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1932-134-0x00000000005EE000-0x0000000000603000-memory.dmp

Filesize
84KB

Download
memory/1932-135-0x0000000000590000-0x0000000000599000-memory.dmp

Filesize
36KB

Download
memory/4424-132-0x0000000000000000-mapping.dmp

Download
memory/4424-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4424-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4424-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download