smokeloader | ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
06-02-2023 18:21

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General

Target

ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe
Size

298KB
MD5

c4002765eba36a4edfd686e94e9d8697
SHA1

ec225d856b44d8c18045ccbd261608b92b8945c0
SHA256

ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677
SHA512

51380913a143f6bd7eac3c955dd982cd2ae27f6293c3cd46c08e426eab0583fee55c813d04346fae015cae5090d29b9cf4d9cc3290e549ce86bb0cd2da6ee368
SSDEEP

6144:C2/zBELWp+OHzmii3swQze76fuQj9Ctj7la:CaBEKIOSii8wQKsljctl

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2552-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2484-135-0x00000000005F0000-0x00000000005F9000-memory.dmp	family_smokeloader
behavioral1/memory/2552-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2552-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe

description	pid	process	target process
PID 2484 set thread context of 2552	2484	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.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:

ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe

pid	process
2552	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe
2552	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe
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2480

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2480
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe

pid process

2552 ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe

pid	process
2480

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe

description	pid	process	target process
PID 2484 wrote to memory of 2552	2484	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe
PID 2484 wrote to memory of 2552	2484	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe
PID 2484 wrote to memory of 2552	2484	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe
PID 2484 wrote to memory of 2552	2484	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe
PID 2484 wrote to memory of 2552	2484	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe
PID 2484 wrote to memory of 2552	2484	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe	ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe

C:\Users\Admin\AppData\Local\Temp\ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe
"C:\Users\Admin\AppData\Local\Temp\ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2484

C:\Users\Admin\AppData\Local\Temp\ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe
"C:\Users\Admin\AppData\Local\Temp\ca179fcb1ba76d3d2b46ddf0303fc54d1c7100d83aa95bcbbf793e6a97dad677.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2552

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/2484-134-0x00000000006DE000-0x00000000006F3000-memory.dmp

Filesize
84KB

Download
memory/2484-135-0x00000000005F0000-0x00000000005F9000-memory.dmp

Filesize
36KB

Download
memory/2552-132-0x0000000000000000-mapping.dmp

Download
memory/2552-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2552-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2552-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download