smokeloader | 55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21

Analysis

max time kernel
134s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
25-06-2022 08:14

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General

Target

55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21.exe
Size

200KB
MD5

7fd349a4c154e6c475ff36c430841e0e
SHA1

ae181cc949b84007ff6b572941947745ea3091a2
SHA256

55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21
SHA512

1751ba59eeacec611e775d0e22f334a8c6e76c2f1dd82ca8742171d470190f2ab758d242884c7fe4de2b7b0738b5cea3a59b5e6eccd84cc4ecf6e2228de19179

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2018

http://ghjk78kjhb.net/

http://cleancleankkl.net/

http://dunujilis11r.net/

http://sulionuili1.in/

http://eseruuynli2.net/

http://nulikuliey.net/

http://oohdojssks9uf.net/

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:

55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21.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:

55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21.exe

pid	process
4528	55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21.exe
4528	55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21.exe

C:\Users\Admin\AppData\Local\Temp\55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21.exe
"C:\Users\Admin\AppData\Local\Temp\55fefbc47b2718312882b8364d75ed3f616d916545a0dd9ff31878bf1240de21.exe"
1⤵
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4528

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

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Downloads

memory/2996-133-0x0000000000A20000-0x0000000000A35000-memory.dmp

Filesize
84KB

Download
memory/4528-130-0x000000000079E000-0x00000000007A8000-memory.dmp

Filesize
40KB

Download
memory/4528-131-0x00000000001C0000-0x00000000001CA000-memory.dmp

Filesize
40KB

Download
memory/4528-132-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download