smokeloader | 4d09a9d705c3c59aa2a203df260c419ae27bc3bf1b20cf8cfb635a3b73ab2400

Analysis

max time kernel
93s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 08:50

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General

Target

a47936f20bd10b91ec154fa0f73e23b5.exe
Size

229KB
MD5

a47936f20bd10b91ec154fa0f73e23b5
SHA1

fb2a0f6ada8161f2f0f268d2424b34ce32f80d69
SHA256

4d09a9d705c3c59aa2a203df260c419ae27bc3bf1b20cf8cfb635a3b73ab2400
SHA512

aeff4bb94fa68c60bcebaa25f107c2b39709989382df7b0f432933becc808833290fc87b3676dbc6aa6cae41e66c574306ddaba79f38daaffbcde16e2a0ee212
SSDEEP

1536:LiWWE5tVicHcGSTAcbpNjTGWnkfo9kazr48kyeQZjgvBbzGUIH8s8yMSWzX2QnHH:5r6KS9Nvoo1zrF0JmUbs8tqEH

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

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
4248	3272	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:

a47936f20bd10b91ec154fa0f73e23b5.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a47936f20bd10b91ec154fa0f73e23b5.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:

a47936f20bd10b91ec154fa0f73e23b5.exe

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a47936f20bd10b91ec154fa0f73e23b5.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a47936f20bd10b91ec154fa0f73e23b5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a47936f20bd10b91ec154fa0f73e23b5.exe

C:\Users\Admin\AppData\Local\Temp\a47936f20bd10b91ec154fa0f73e23b5.exe
"C:\Users\Admin\AppData\Local\Temp\a47936f20bd10b91ec154fa0f73e23b5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3272
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 356
  2⤵
  - Program crash
  PID:4248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3272 -ip 3272
1⤵
PID:1668

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/3272-1-0x0000000000520000-0x0000000000620000-memory.dmp

Filesize
1024KB

Download
memory/3272-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3272-3-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/3272-4-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/3272-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download