smokeloader | 55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b

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
15-12-2024 13:39

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General

Target

55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe
Size

162KB
MD5

1fa4486eeebc4493c59a395766eb236f
SHA1

1b48bdd0c4b35d7b1ce7c28790136cb6abaf6ef3
SHA256

55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b
SHA512

0053319c699951257ac7aa9351dbf7755963a39f261f8a9cc948d3f5ff929f44c1261226dc20913ff247f63482a1872323526571dc30e72ca9c2782a93c149b8
SSDEEP

3072:dddIQbmQ1ZEGM9v8H5J0ZA9xwJ1d1Wjh7JvwwxGU+JDtmHu6nep:dDbmqe9v0+Xz2FSwxN+BoOj

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4044 set thread context of 4888	4044	55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe	85

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.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

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 4888	4044	55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe	85
PID 4044 wrote to memory of 4888	4044	55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe	85
PID 4044 wrote to memory of 4888	4044	55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe	85
PID 4044 wrote to memory of 4888	4044	55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe	85
PID 4044 wrote to memory of 4888	4044	55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe	85
PID 4044 wrote to memory of 4888	4044	55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe	85

C:\Users\Admin\AppData\Local\Temp\55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe
"C:\Users\Admin\AppData\Local\Temp\55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Users\Admin\AppData\Local\Temp\55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe
  "C:\Users\Admin\AppData\Local\Temp\55d3e05d7c8ee399ca913f4bfecb92b2a79da514c8b0ea786d659bd798a86d5b.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4888

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/4044-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/4044-2-0x0000000002190000-0x0000000002199000-memory.dmp

Filesize
36KB

Download
memory/4888-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4888-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4888-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download