smokeloader | 7699f177ac460a22196c43a506659c5b276a3482b0b96ddadc89d1ef24d82361

Analysis

max time kernel
157s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2022 03:13

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General

Target

6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe
Size

274KB
MD5

346c9edec6b579659ce2497acd6f23c5
SHA1

65e7713acb3f4e7bd87ce8caa93728cbd9ab151d
SHA256

6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b
SHA512

b76cee33b702998b98bfef18221223f1b2e48d1e3c2fa817c97355759756f26ceb98ac5fff555d2b187c89daed90ac0dc8c1ac11b0e289f7d4f88fcf9727c636
SSDEEP

3072:9vUXVTEY3LK7x/dZ6TWR5Jiigwuwh/aKtxBsjtysXbiVRvJTcp4Jwc/zWQuYgV2R:JQKdZ6ysEh/aKLfWbIDcSLWVS

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/388-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral2/memory/1728-135-0x0000000000680000-0x0000000000689000-memory.dmp	family_smokeloader
behavioral2/memory/388-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral2/memory/388-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe

description	pid	process	target process
PID 1728 set thread context of 388	1728	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.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:

6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe

pid	process
388	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe
388	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe

pid process

388 6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe

pid	process
2648

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe

description	pid	process	target process
PID 1728 wrote to memory of 388	1728	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe
PID 1728 wrote to memory of 388	1728	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe
PID 1728 wrote to memory of 388	1728	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe
PID 1728 wrote to memory of 388	1728	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe
PID 1728 wrote to memory of 388	1728	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe
PID 1728 wrote to memory of 388	1728	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe	6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe

C:\Users\Admin\AppData\Local\Temp\6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe
"C:\Users\Admin\AppData\Local\Temp\6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1728

C:\Users\Admin\AppData\Local\Temp\6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe
"C:\Users\Admin\AppData\Local\Temp\6da8b0ea2a9c4e73a194ae77666bacd0b1fe74930839df0b33397fc050b80e5b.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:388

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/388-132-0x0000000000000000-mapping.dmp

Download
memory/388-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/388-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/388-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1728-135-0x0000000000680000-0x0000000000689000-memory.dmp

Filesize
36KB

Download
memory/1728-134-0x00000000006A8000-0x00000000006B9000-memory.dmp

Filesize
68KB

Download