smokeloader | 2a8e192a035947a6705a550743727df5e78c7196d4b74527381f49742c35cd1a

Analysis

max time kernel
90s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
23-04-2024 23:09

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General

Target

2a8e192a035947a6705a550743727df5e78c7196d4b74527381f49742c35cd1a.exe
Size

333KB
MD5

8a96e389677c0bf9506ab0402d14eb1a
SHA1

b1e6ea96f41139a95e527cbe9f350c07072df2dc
SHA256

2a8e192a035947a6705a550743727df5e78c7196d4b74527381f49742c35cd1a
SHA512

7c7a85e4619a08db8fe39ed8e1dcc777e7aec066a001c080e974309885a8fe8787c130e5afdcfd2ae78cc0f8476a0df355fb66046163ebfa0f06b18402d9691a
SSDEEP

6144:VzTzhHJ+/o/7EPDf3mzZf7chbZ5KqbI5T:RTzhHJSSqbAZq7E9

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2852 4632 WerFault.exe 2a8e192a035947a6705a550743727df5e78c7196d4b74527381f49742c35cd1a.exe

pid	pid_target	process	target process
2852	4632	WerFault.exe	2a8e192a035947a6705a550743727df5e78c7196d4b74527381f49742c35cd1a.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:

2a8e192a035947a6705a550743727df5e78c7196d4b74527381f49742c35cd1a.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2a8e192a035947a6705a550743727df5e78c7196d4b74527381f49742c35cd1a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2a8e192a035947a6705a550743727df5e78c7196d4b74527381f49742c35cd1a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2a8e192a035947a6705a550743727df5e78c7196d4b74527381f49742c35cd1a.exe

C:\Users\Admin\AppData\Local\Temp\2a8e192a035947a6705a550743727df5e78c7196d4b74527381f49742c35cd1a.exe
"C:\Users\Admin\AppData\Local\Temp\2a8e192a035947a6705a550743727df5e78c7196d4b74527381f49742c35cd1a.exe"
1⤵
- Checks SCSI registry key(s)
PID:4632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4632 -s 388
  2⤵
  - Program crash
  PID:2852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4632 -ip 4632
1⤵
PID:4300

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

Replay Monitor

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Downloads

memory/4632-1-0x00000000041D0000-0x00000000042D0000-memory.dmp

Filesize
1024KB

Download
memory/4632-2-0x00000000041A0000-0x00000000041AB000-memory.dmp

Filesize
44KB

Download
memory/4632-3-0x0000000000400000-0x0000000004044000-memory.dmp

Filesize
60.3MB

Download