smokeloader | a87bc31ea576b3c6cbc0d9a5970e39e4d842073b5b5b46930d99943590c33a3a

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
03/07/2024, 19:27

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General

Target
a87bc31ea576b3c6cbc0d9a5970e39e4d842073b5b5b46930d99943590c33a3a.exe
Size 224KB
Sample240703-x56nasthnl
SHA256 a87bc31ea576b3c6cbc0d9a5970e39e4d842073b5b5b46930d99943590c33a3a
MD5 1a6a9b7a5e784c6ca40ee894f5c3ae70
SHA1 88c3f3ced16d3b2ffed0f0cb8c37eb3d39a3c70b
SHA512 2e92c59262cf5ba6a979e95d8fa7db7a696057f347ca403efddf80896a27dda8fcb94a2166b5a22f9a1c0703ae9a708014fff80656c70e824e6e60ac259f8219
SSDEEP 3072:z/84BoZMyeq6umq/r+R4pgib+JbzLmAs+1CjBG3ywQzHadH0:zZkMqpmq/r+riM/LmAs+1yG3ywsad
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

smokeloader pub2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1868	3304	WerFault.exe	76

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a87bc31ea576b3c6cbc0d9a5970e39e4d842073b5b5b46930d99943590c33a3a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a87bc31ea576b3c6cbc0d9a5970e39e4d842073b5b5b46930d99943590c33a3a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a87bc31ea576b3c6cbc0d9a5970e39e4d842073b5b5b46930d99943590c33a3a.exe

C:\Users\Admin\AppData\Local\Temp\a87bc31ea576b3c6cbc0d9a5970e39e4d842073b5b5b46930d99943590c33a3a.exe
"C:\Users\Admin\AppData\Local\Temp\a87bc31ea576b3c6cbc0d9a5970e39e4d842073b5b5b46930d99943590c33a3a.exe"
1⤵
- Checks SCSI registry key(s)
PID:3304
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 488
  2⤵
  - Program crash
  PID:1868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3304 -ip 3304
1⤵
PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3304-3-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/3304-1-0x0000000002D50000-0x0000000002E50000-memory.dmp

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memory/3304-2-0x0000000004900000-0x000000000490B000-memory.dmp

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memory/3304-4-0x0000000000400000-0x0000000002BF1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads