smokeloader | acaca1ba628869e2ca4e80f0bf2c807a76d1e6e67a29c63279e12df970b22715

Analysis

max time kernel
150s
max time network
151s
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, 13:55

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General

Target

b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe
Size

260KB
MD5

74fa30ee464de6d8bdf22d6a9d4d68ac
SHA1

e0f1e7582495c6bc0aa7972bde78ad2ad2188829
SHA256

b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2
SHA512

5935553fa21a35072cd8f42ba0070c38a0d8d2119588298ebbde27dbc8b47edfd350a31100e5dd8a89a4aa2c8fd14e8f9415e19d5299b40c84accea6e773e33b
SSDEEP

3072:nZCOWBUAUhL3Xi2Yoq5ZYjdpRRO9Q0kXC7HoyOvtNvKXvKAfVuDuM/h3:zWBJsLniFwIkXC7HlOvzKyAKu

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 3768 set thread context of 1260	3768	b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.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	b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.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	b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3768 wrote to memory of 1260	3768	b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe	82
PID 3768 wrote to memory of 1260	3768	b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe	82
PID 3768 wrote to memory of 1260	3768	b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe	82
PID 3768 wrote to memory of 1260	3768	b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe	82
PID 3768 wrote to memory of 1260	3768	b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe	82
PID 3768 wrote to memory of 1260	3768	b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe	82

C:\Users\Admin\AppData\Local\Temp\b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe
"C:\Users\Admin\AppData\Local\Temp\b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3768
- C:\Users\Admin\AppData\Local\Temp\b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe
  "C:\Users\Admin\AppData\Local\Temp\b0979217247a9395badd4bfce4338a3eb2e1f7fafbfe7b6916441f67dc0b89b2.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:1260

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/1260-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1260-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1260-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3768-2-0x0000000002D80000-0x0000000002D89000-memory.dmp

Filesize
36KB

Download
memory/3768-1-0x0000000002F60000-0x0000000003060000-memory.dmp

Filesize
1024KB

Download