smokeloader | 3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024

General

Target

3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe
Size

178KB
MD5

71da70a56ee2c792240bcb0927821db2
SHA1

6109050b8369fe304438e24a896f8e417bd84103
SHA256

3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024
SHA512

840decaeb6e79e7e9b22f7e7357d225ed82a1d87efa46d352e63c3ff9370122c3529d6bd5b649b9a70ef123b9ee4e1efafb504d111812310e8d0977aba152771

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2018

C2

http://lufdx2.com/2/

http://gvs1.in/2/

http://jdcbhs.ru/2/

http://m21ch.com/2/

http://gdlvw1.com/2/

rc4.i32

Signatures

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

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe

description	pid	process	target process
PID 3376 set thread context of 4788	3376	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe

Checks SCSI registry key(s) 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe

pid	process
4788	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe
4788	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe

description	pid	process	target process
PID 3376 wrote to memory of 4788	3376	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe
PID 3376 wrote to memory of 4788	3376	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe
PID 3376 wrote to memory of 4788	3376	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe
PID 3376 wrote to memory of 4788	3376	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe
PID 3376 wrote to memory of 4788	3376	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe
PID 3376 wrote to memory of 4788	3376	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe	3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe

C:\Users\Admin\AppData\Local\Temp\3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe
"C:\Users\Admin\AppData\Local\Temp\3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3376

C:\Users\Admin\AppData\Local\Temp\3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe
"C:\Users\Admin\AppData\Local\Temp\3dfecc1f6208095356a0440c48fe665bad8538ca6908a092c49024cfd6fca024.exe"
2⤵
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4788

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

2

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/3208-135-0x0000000001030000-0x0000000001045000-memory.dmp

Filesize
84KB

Download
memory/3376-130-0x000000000072B000-0x0000000000735000-memory.dmp

Filesize
40KB

Download
memory/3376-133-0x000000000072B000-0x0000000000735000-memory.dmp

Filesize
40KB

Download
memory/4788-131-0x0000000000000000-mapping.dmp

Download
memory/4788-132-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4788-134-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads