smokeloader | b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe

Analysis

max time kernel
93s
max time network
145s
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 13:36

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General

Target

b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe
Size

373KB
MD5

fc6929d01be5b69e53daa60a29cf126f
SHA1

aaad887ee0cdce292a5552c7fdeaf44763fdf5f3
SHA256

b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe
SHA512

e78f18772c992e2f6f3c977e1980a7a2dc8ab53a50ebb34d8b810c9150b7681df0b6dcb305b496caf930dc11c8c20cc3f86005188a100984120bb4331f2ce135
SSDEEP

6144:LVLIN2oLOtrJDYgcvZIB8WYHDXwOu1ql:LV6KtrJAeYjUql

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 4740 set thread context of 2512	4740	b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.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	b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 2512	4740	b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe	82
PID 4740 wrote to memory of 2512	4740	b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe	82
PID 4740 wrote to memory of 2512	4740	b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe	82
PID 4740 wrote to memory of 2512	4740	b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe	82
PID 4740 wrote to memory of 2512	4740	b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe	82
PID 4740 wrote to memory of 2512	4740	b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe	82

C:\Users\Admin\AppData\Local\Temp\b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe
"C:\Users\Admin\AppData\Local\Temp\b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Users\Admin\AppData\Local\Temp\b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe
  "C:\Users\Admin\AppData\Local\Temp\b12e31077a1ed6213ae8b8862cd30398b9f5ff192f37edb5bdcf13feae8e29fe.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2512

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/2512-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2512-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2512-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4740-1-0x0000000000B10000-0x0000000000C10000-memory.dmp

Filesize
1024KB

Download
memory/4740-2-0x00000000009B0000-0x00000000009B9000-memory.dmp

Filesize
36KB

Download