smokeloader | 955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7

Analysis

max time kernel
155s
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
06-10-2022 00:23

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General

Target

955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe
Size

146KB
MD5

6b2f67249b6ad98d2b843d93761caf05
SHA1

6a4df8fc9eb3fcb19d7a0ff3c10b3ec2caa97b62
SHA256

955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7
SHA512

b226cecdff974dd7da474b73f30f0997c7fe44d639ac836cbc835101643373c52bbc35b12260deea6d79a150e84f72f5221855c8396d559e2be8086686ab5c8b
SSDEEP

3072:OVUUHpvyhfWd7tMoUZCBCiU2sIFqW3NLTXO:0nJHNPBCiU2skNX

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4652-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2156-135-0x00000000022C0000-0x00000000022C9000-memory.dmp	family_smokeloader
behavioral1/memory/4652-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4652-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe

description	pid	process	target process
PID 2156 set thread context of 4652	2156	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.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:

955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe

pid	process
4652	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe
4652	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe

pid process

4652 955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe

pid	process
2596

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe

description	pid	process	target process
PID 2156 wrote to memory of 4652	2156	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe
PID 2156 wrote to memory of 4652	2156	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe
PID 2156 wrote to memory of 4652	2156	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe
PID 2156 wrote to memory of 4652	2156	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe
PID 2156 wrote to memory of 4652	2156	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe
PID 2156 wrote to memory of 4652	2156	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe	955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe

C:\Users\Admin\AppData\Local\Temp\955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe
"C:\Users\Admin\AppData\Local\Temp\955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2156

C:\Users\Admin\AppData\Local\Temp\955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe
"C:\Users\Admin\AppData\Local\Temp\955dd437c912b2bd1b8daed0a7a21f736c90270f80980fcd5f5dfac089a520e7.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4652

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/2156-134-0x000000000083E000-0x000000000084F000-memory.dmp

Filesize
68KB

Download
memory/2156-135-0x00000000022C0000-0x00000000022C9000-memory.dmp

Filesize
36KB

Download
memory/4652-132-0x0000000000000000-mapping.dmp

Download
memory/4652-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4652-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4652-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download