smokeloader | 55c2761fc7cf198c02459f89dd6f383fa2632c374e3b90166ffe5397d6750c41

Analysis

max time kernel
153s
max time network
154s
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 03:16

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General

Target

041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe
Size

274KB
MD5

8880d8e96aa5af82d07133ae621b74e7
SHA1

f2b02235ba67aac766632fd31520fdf1e1976ee1
SHA256

041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90
SHA512

cdd151feed4b3236b897f04839281ab7fe8006c59d151b2e23ac6bf7f4afbdea3ab0ccc5cd5da147c9c304989b3d6893f25476c9d9ae55e99cb93bfaca052be0
SSDEEP

3072:wJXVOxYHJwDkbcVjBUWR5riPhQ02Juw1/oZny/IuoBviVRvJTcpaCBKQTYgV2qsf:wt3wxVjBEPehuaQZsuvIDcJJjVS

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3612-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral2/memory/1960-135-0x0000000000600000-0x0000000000609000-memory.dmp	family_smokeloader
behavioral2/memory/3612-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral2/memory/3612-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe

description	pid	process	target process
PID 1960 set thread context of 3612	1960	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.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:

041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe

pid	process
3612	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe
3612	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe

pid process

3612 041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe

pid	process
1040

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe

description	pid	process	target process
PID 1960 wrote to memory of 3612	1960	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe
PID 1960 wrote to memory of 3612	1960	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe
PID 1960 wrote to memory of 3612	1960	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe
PID 1960 wrote to memory of 3612	1960	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe
PID 1960 wrote to memory of 3612	1960	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe
PID 1960 wrote to memory of 3612	1960	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe	041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe

C:\Users\Admin\AppData\Local\Temp\041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe
"C:\Users\Admin\AppData\Local\Temp\041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1960

C:\Users\Admin\AppData\Local\Temp\041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe
"C:\Users\Admin\AppData\Local\Temp\041a218e410a17ef6d0750ba060d5978afda01a9d5e0a942de8d05fe1fdf6c90.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3612

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

Replay Monitor

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Downloads

memory/1960-134-0x00000000006A8000-0x00000000006B9000-memory.dmp

Filesize
68KB

Download
memory/1960-135-0x0000000000600000-0x0000000000609000-memory.dmp

Filesize
36KB

Download
memory/3612-132-0x0000000000000000-mapping.dmp

Download
memory/3612-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3612-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3612-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download