smokeloader | 26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b

Analysis

max time kernel
150s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-10-2022 01:33

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General

Target

26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe
Size

146KB
MD5

823f72e450f865d148b077768494d6dc
SHA1

753f7b43967e5158dd12c6a2f8380985289f9b6b
SHA256

26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b
SHA512

7cfca5c3d286ebd45719ddb6b7cd46533edf4e2733a07b0b6f39663845f588def7340121d07aa628b80aaa91e2b048a570c8dd70a5d8a38b16c35f3ba60ad64c
SSDEEP

3072:/IyY+dvyhfysHUSPhFogfy9fCLHBpuocMgt9YlUvO:wkvFs0Ss9GpupMg7N

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1240-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1856-135-0x00000000007E0000-0x00000000007E9000-memory.dmp	family_smokeloader
behavioral1/memory/1240-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1240-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe

description	pid	process	target process
PID 1856 set thread context of 1240	1856	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.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:

26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe

pid	process
1240	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe
1240	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1124
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe

pid process

1240 26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe

pid	process
1124

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe

description	pid	process	target process
PID 1856 wrote to memory of 1240	1856	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe
PID 1856 wrote to memory of 1240	1856	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe
PID 1856 wrote to memory of 1240	1856	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe
PID 1856 wrote to memory of 1240	1856	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe
PID 1856 wrote to memory of 1240	1856	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe
PID 1856 wrote to memory of 1240	1856	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe	26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe

C:\Users\Admin\AppData\Local\Temp\26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe
"C:\Users\Admin\AppData\Local\Temp\26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1856

C:\Users\Admin\AppData\Local\Temp\26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe
"C:\Users\Admin\AppData\Local\Temp\26a2f234812540d1b8c9b82db6cb8df2eeabac7293f86c9389ca79678b67732b.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1240

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/1240-132-0x0000000000000000-mapping.dmp

Download
memory/1240-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1240-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1240-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1856-134-0x000000000080E000-0x000000000081E000-memory.dmp

Filesize
64KB

Download
memory/1856-135-0x00000000007E0000-0x00000000007E9000-memory.dmp

Filesize
36KB

Download