smokeloader | e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232

Analysis

max time kernel
150s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2022 04:12

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General

Target

e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe
Size

197KB
MD5

a8bc44e1425f4182feaede5d1d2870d1
SHA1

6ecb3222702b17b0d6431b9fbfd470ac4636cd54
SHA256

e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232
SHA512

870fc14ed2feadd99233bc30a83a432e23a62492a4afd9df47228aceebc74eec72936e2d734db1e6e5d5e4f0fc0cce9d493d93b7ad02845d6d77329af611544a
SSDEEP

3072:OhejokL528PJTN5XKBOSa4oNW3ytLpdPekc0BxnmXqdNz/PkkXx:YmLLPJc3yt3BcynV

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4988-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1952-135-0x0000000000820000-0x0000000000829000-memory.dmp	family_smokeloader
behavioral1/memory/4988-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4988-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe

description	pid	process	target process
PID 1952 set thread context of 4988	1952	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.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:

e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe

pid	process
4988	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe
4988	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe

pid process

4988 e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe

pid	process
3056

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe

description	pid	process	target process
PID 1952 wrote to memory of 4988	1952	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe
PID 1952 wrote to memory of 4988	1952	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe
PID 1952 wrote to memory of 4988	1952	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe
PID 1952 wrote to memory of 4988	1952	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe
PID 1952 wrote to memory of 4988	1952	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe
PID 1952 wrote to memory of 4988	1952	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe	e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe

C:\Users\Admin\AppData\Local\Temp\e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe
"C:\Users\Admin\AppData\Local\Temp\e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1952

C:\Users\Admin\AppData\Local\Temp\e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe
"C:\Users\Admin\AppData\Local\Temp\e39ac586f8c28e0fa10882065e8415359a0e84ed101e8198c4ed9fa32746c232.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4988

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

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Downloads

memory/1952-135-0x0000000000820000-0x0000000000829000-memory.dmp

Filesize
36KB

Download
memory/1952-134-0x0000000000858000-0x0000000000869000-memory.dmp

Filesize
68KB

Download
memory/4988-132-0x0000000000000000-mapping.dmp

Download
memory/4988-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4988-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4988-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download