smokeloader | 320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 07:05

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General

Target

320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe
Size

186KB
MD5

47b560385da3404a0a1cefaacded2fc8
SHA1

181fba4c06a49641de2e7b6be131b455fcec1c4f
SHA256

320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a
SHA512

53a51b4b2c88519ac95a93489372da3cf99474893f3d0a334a151b2591c889d7585cf29de299ab3a721949626ba094932210e713651bba2e9239e6ae2925a3ee
SSDEEP

3072:mBIE8ENAomdLh1RBW6mD5JoElhQ7ZnBu1510v+fFqz9ao:1ETHaLh1RB5fno1Vqco

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4932-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2548-135-0x0000000002A80000-0x0000000002A89000-memory.dmp	family_smokeloader
behavioral1/memory/4932-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4932-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe

description	pid	process	target process
PID 2548 set thread context of 4932	2548	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.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:

320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe

pid	process
4932	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe
4932	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe

pid process

4932 320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe

pid	process
784

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe

description	pid	process	target process
PID 2548 wrote to memory of 4932	2548	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe
PID 2548 wrote to memory of 4932	2548	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe
PID 2548 wrote to memory of 4932	2548	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe
PID 2548 wrote to memory of 4932	2548	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe
PID 2548 wrote to memory of 4932	2548	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe
PID 2548 wrote to memory of 4932	2548	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe	320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe

C:\Users\Admin\AppData\Local\Temp\320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe
"C:\Users\Admin\AppData\Local\Temp\320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2548

C:\Users\Admin\AppData\Local\Temp\320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe
"C:\Users\Admin\AppData\Local\Temp\320283e3b3c3c0023b85a86a8dbb0d825a6bf2f8ff7b96f7b5d87ddbbca9e16a.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4932

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2548-134-0x0000000002B0F000-0x0000000002B20000-memory.dmp

Filesize
68KB

Download
memory/2548-135-0x0000000002A80000-0x0000000002A89000-memory.dmp

Filesize
36KB

Download
memory/4932-132-0x0000000000000000-mapping.dmp

Download
memory/4932-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4932-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4932-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download