smokeloader | e8eb92ee61cb522b027ce4cfe2b77b7b44afda59c24ac938a4ee9cbbd4ced04f

Analysis

max time kernel
153s
max time network
32s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
06-12-2022 06:28

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General

Target

file.exe
Size

321KB
MD5

d654ca89e14f19e82f2cb517fa5ab735
SHA1

9faa599f332a0d31c9a9bbf938048f287f56d25c
SHA256

e8eb92ee61cb522b027ce4cfe2b77b7b44afda59c24ac938a4ee9cbbd4ced04f
SHA512

024c934ff402a1e7fe0eb428cbbdf8296110516b4f32073ec04267f86018765d3a1ebb4e3def647b03f48f2a709c231ed1c2036b58daf6ce0d7cc882b600516b
SSDEEP

6144:le1Eyz+Lz7eodyeKd5xeDFSicY5Niu2sZeF:leCyynaodybw9fiuXeF

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2032-56-0x0000000000020000-0x0000000000029000-memory.dmp	family_smokeloader
behavioral1/memory/1704-58-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/1704-57-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1704-61-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1704-62-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Suspicious use of SetThreadContext 1 IoCs

Processes:

file.exe

description pid process target process

PID 2032 set thread context of 1704 2032 file.exe file.exe

description	pid	process	target process
PID 2032 set thread context of 1704	2032	file.exe	file.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:

file.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

file.exe

pid	process
1704	file.exe
1704	file.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1244
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

file.exe

pid process

1704 file.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 1244

pid	process
1244

description	pid	process
Token: SeShutdownPrivilege	1244

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

file.exe

description	pid	process	target process
PID 2032 wrote to memory of 1704	2032	file.exe	file.exe
PID 2032 wrote to memory of 1704	2032	file.exe	file.exe
PID 2032 wrote to memory of 1704	2032	file.exe	file.exe
PID 2032 wrote to memory of 1704	2032	file.exe	file.exe
PID 2032 wrote to memory of 1704	2032	file.exe	file.exe
PID 2032 wrote to memory of 1704	2032	file.exe	file.exe
PID 2032 wrote to memory of 1704	2032	file.exe	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2032

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1704

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

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Downloads

memory/1704-60-0x00000000753F1000-0x00000000753F3000-memory.dmp

Filesize
8KB

Download
memory/1704-58-0x0000000000402DD8-mapping.dmp

Download
memory/1704-57-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1704-61-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1704-62-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2032-54-0x0000000000308000-0x000000000031E000-memory.dmp

Filesize
88KB

Download
memory/2032-55-0x0000000000308000-0x000000000031E000-memory.dmp

Filesize
88KB

Download
memory/2032-56-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2032-59-0x0000000000308000-0x000000000031E000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads