smokeloader | 1423053f90855d33858db47f354055b660943104c1c18f848c9b7b415979dc5f

max time kernel
144s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2024, 16:04

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General

Target
2019-09-02_22-41-10.exe
Size 251KB
Sample240703-thygmaycpc
SHA256 30f9db1f5838abb6c1580fdfb7f5dcfd7c2ac8cfac50c2edd0c8415d66212c95
MD5 924aa6c26f6f43e0893a40728eac3b32
SHA1 baa9b4c895b09d315ed747b3bd087f4583aa84fc
SHA512 3cb6fd659aff46eaa62b0e647ccebeecb070ba0bb27e1cc037b33caf23c417e75f476e1c08e1b5f3b232c4640995ae5afa43bfd09252d318fe5eec0d18de830a
SSDEEP 6144:2E5sHpScP2xeQhp4wGoqPKNDF50AsurB:PsHIiQv4gBNDFiTuF
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2804	2019-09-02_22-41-10.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1620 set thread context of 2804	1620	2019-09-02_22-41-10.exe	79

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	2019-09-02_22-41-10.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2019-09-02_22-41-10.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2019-09-02_22-41-10.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2804	1620	2019-09-02_22-41-10.exe	79
PID 1620 wrote to memory of 2804	1620	2019-09-02_22-41-10.exe	79
PID 1620 wrote to memory of 2804	1620	2019-09-02_22-41-10.exe	79
PID 1620 wrote to memory of 2804	1620	2019-09-02_22-41-10.exe	79
PID 1620 wrote to memory of 2804	1620	2019-09-02_22-41-10.exe	79
PID 1620 wrote to memory of 2804	1620	2019-09-02_22-41-10.exe	79

C:\Users\Admin\AppData\Local\Temp\2019-09-02_22-41-10.exe
"C:\Users\Admin\AppData\Local\Temp\2019-09-02_22-41-10.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Local\Temp\2019-09-02_22-41-10.exe
  "C:\Users\Admin\AppData\Local\Temp\2019-09-02_22-41-10.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:2804

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

D47F.tmp

Path C:\Users\Admin\AppData\Local\Temp\D47F.tmp
Size 1.6MB
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
SSDEEP 24576:qhYK3o0FvOh/e8AuDq8TJqbEPVVdqi90gvuPGO12HoIGTufqN8:2XFvO5egq8TMbEL59JCKSN
MD5 SHA1 SHA512 SSDEEP

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memory/1620-3-0x0000000000A10000-0x0000000000A1B000-memory.dmp

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memory/1620-2-0x0000000000B50000-0x0000000000C50000-memory.dmp

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memory/2804-4-0x0000000000400000-0x000000000040A000-memory.dmp

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memory/2804-1-0x0000000000400000-0x000000000040A000-memory.dmp

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memory/2804-10-0x0000000000400000-0x000000000040A000-memory.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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