smokeloader | a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 04:15

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General

Target

a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe
Size

163KB
MD5

ae691cc664f5f28e6f8548acae43c070
SHA1

848312a325dfb8ee83c583c645aead4449c20b63
SHA256

a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3
SHA512

6a414d16f3aa7df27560d314b5dcaa000faa872be8a2e51fd1790c802f58b5533dfd18d19c3c6a601ea6e291d9ad01577c330ce28fcbd6cfebdfe5b79cd93c36
SSDEEP

3072:wGYFMLWuyudxqdxd/o0k6AUpO8s4/uE768/d5uxb/BZzS:wrFMLWgdxAxdw07AJE76Kex9Zz

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe

description	pid	process	target process
PID 1516 set thread context of 2840	1516	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe

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:

a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.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:

a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe

description	pid	process	target process
PID 1516 wrote to memory of 2840	1516	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe
PID 1516 wrote to memory of 2840	1516	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe
PID 1516 wrote to memory of 2840	1516	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe
PID 1516 wrote to memory of 2840	1516	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe
PID 1516 wrote to memory of 2840	1516	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe
PID 1516 wrote to memory of 2840	1516	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe

C:\Users\Admin\AppData\Local\Temp\a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe
"C:\Users\Admin\AppData\Local\Temp\a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Local\Temp\a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe
  "C:\Users\Admin\AppData\Local\Temp\a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2840

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/1516-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

Filesize
1024KB

Download
memory/1516-2-0x0000000002240000-0x0000000002249000-memory.dmp

Filesize
36KB

Download
memory/2840-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2840-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2840-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download