smokeloader | b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778

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
10-12-2024 03:22

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General

Target

b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe
Size

208KB
MD5

855e7cd7024d340b83123c75d9d4fb1c
SHA1

3323fdcd6ce66e3c1b971b098f26a562892b8c30
SHA256

b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778
SHA512

bb34f61cc051c37206d53c6cdf8f198497b9b8fb5a78b7c00b21fd4ec077156f99b96c6d236cda7152376d54d8948316f02d4269a5c00047cc1d9937540916e0
SSDEEP

3072:VCx58iqLwhMYM3NTveoygYFQAuOFBiSY6+3:2qUuYMdTeoVxJs1

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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 4412 set thread context of 3456	4412	b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe	83

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	b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 3456	4412	b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe	83
PID 4412 wrote to memory of 3456	4412	b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe	83
PID 4412 wrote to memory of 3456	4412	b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe	83
PID 4412 wrote to memory of 3456	4412	b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe	83
PID 4412 wrote to memory of 3456	4412	b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe	83
PID 4412 wrote to memory of 3456	4412	b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe	83

C:\Users\Admin\AppData\Local\Temp\b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe
"C:\Users\Admin\AppData\Local\Temp\b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4412
- C:\Users\Admin\AppData\Local\Temp\b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe
  "C:\Users\Admin\AppData\Local\Temp\b05425661616539e0e68493474745880f03300d9b5cca894af732da010869778.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3456

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/3456-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3456-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3456-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4412-1-0x0000000000B20000-0x0000000000C20000-memory.dmp

Filesize
1024KB

Download
memory/4412-2-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download