smokeloader | 8fa53853ac6fceed9468512d43d74c59cf2326ef904feecffd3440f6e6ae441c

Analysis

max time kernel
94s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 14:58

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General

Target

b40cf8e538f2c6e214fd1393f9fc5d556a91e6e49d7fc3a855e10b29c69fb185.exe
Size

224KB
MD5

d769e9b86721acecef2b65647405415b
SHA1

bb80cf7977ef76ed31e14aac83ff2c66585e5355
SHA256

b40cf8e538f2c6e214fd1393f9fc5d556a91e6e49d7fc3a855e10b29c69fb185
SHA512

7ed3cd2172f8c31a2116b003ee567379e612b0cceb26b2cfc70021079a8d49e93f1a270b27e166d187d8b11c819a6cd346464c6ceae9b2cfd8ab7066de73b54f
SSDEEP

3072:+KaLDoma5+JWwE7GGewhlriXLiexOmDYg0gdx+eNwD3tdmdhxH:ILEm3kS8WXZxXpxtNi3tm

Score

10^/10

smokeloader 2023 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

2023

Signatures

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

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1120	3752	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

b40cf8e538f2c6e214fd1393f9fc5d556a91e6e49d7fc3a855e10b29c69fb185.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b40cf8e538f2c6e214fd1393f9fc5d556a91e6e49d7fc3a855e10b29c69fb185.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:

b40cf8e538f2c6e214fd1393f9fc5d556a91e6e49d7fc3a855e10b29c69fb185.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b40cf8e538f2c6e214fd1393f9fc5d556a91e6e49d7fc3a855e10b29c69fb185.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b40cf8e538f2c6e214fd1393f9fc5d556a91e6e49d7fc3a855e10b29c69fb185.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b40cf8e538f2c6e214fd1393f9fc5d556a91e6e49d7fc3a855e10b29c69fb185.exe

C:\Users\Admin\AppData\Local\Temp\b40cf8e538f2c6e214fd1393f9fc5d556a91e6e49d7fc3a855e10b29c69fb185.exe
"C:\Users\Admin\AppData\Local\Temp\b40cf8e538f2c6e214fd1393f9fc5d556a91e6e49d7fc3a855e10b29c69fb185.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3752
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 352
  2⤵
  - Program crash
  PID:1120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3752 -ip 3752
1⤵
PID:4776

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3752-1-0x00000000007B0000-0x00000000008B0000-memory.dmp

Filesize
1024KB

Download
memory/3752-2-0x00000000005F0000-0x00000000005F9000-memory.dmp

Filesize
36KB

Download
memory/3752-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3752-5-0x00000000005F0000-0x00000000005F9000-memory.dmp

Filesize
36KB

Download
memory/3752-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3752-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download