smokeloader | 8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908

Analysis

max time kernel
94s
max time network
146s
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

8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe
Size

260KB
MD5

e393f4e926b8a1fee319554600faa50d
SHA1

5e3a8d20e9f6be767e566fa822a0f2d3d44dcdac
SHA256

8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908
SHA512

46c898a4f81810bb6e139b6d031bb36a981302a2fece22301658a03d23f1fafeace47bd29a041cc209c6e6ea4b23d6ff5067d5c8679af2f820f833cf53775aa9
SSDEEP

3072:Mr2H8uBqJyCLmBDERz55vvZLpwfKKm2Fm5/XturdYcPnOkWShvKKOV0u9jMqH+ez:KuBO1LqDOtpw9Pm5lurPPnO0YhpMUPa

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 4204 set thread context of 1424	4204	8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.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	8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.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	8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 1424	4204	8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe	83
PID 4204 wrote to memory of 1424	4204	8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe	83
PID 4204 wrote to memory of 1424	4204	8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe	83
PID 4204 wrote to memory of 1424	4204	8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe	83
PID 4204 wrote to memory of 1424	4204	8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe	83
PID 4204 wrote to memory of 1424	4204	8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe	83

C:\Users\Admin\AppData\Local\Temp\8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe
"C:\Users\Admin\AppData\Local\Temp\8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Users\Admin\AppData\Local\Temp\8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe
  "C:\Users\Admin\AppData\Local\Temp\8734fc4166831e5f4dc8d8978354d0ce749d259db7abd17171ffd0faedeb2908.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:1424

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

Replay Monitor

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Downloads

memory/1424-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1424-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1424-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4204-1-0x0000000002D10000-0x0000000002E10000-memory.dmp

Filesize
1024KB

Download
memory/4204-2-0x0000000002CC0000-0x0000000002CC9000-memory.dmp

Filesize
36KB

Download