smokeloader | 4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303

Analysis

max time kernel
150s
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
15-12-2024 13:39

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General

Target

4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe
Size

330KB
MD5

3217e1a8377eb0c1b0a9fbe3204ac5fe
SHA1

13e4aa49960e490ff6963a70a3147fa07af926c9
SHA256

4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303
SHA512

8af80137d7855d92bee752c0e64f1a998dcf4e4669c719e4a6c96371469b9ac9374b6e0c5d2e91e152ad0d6047eeb2050c3da7f90ea4afa118b81e758b05a1fb
SSDEEP

6144:6zxy/CluUz7aC67nh3jhVVPE+O1voXc4:Cs/27a93tDO

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 2244 set thread context of 2100	2244	4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.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	4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.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	4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2100	2244	4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe	83
PID 2244 wrote to memory of 2100	2244	4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe	83
PID 2244 wrote to memory of 2100	2244	4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe	83
PID 2244 wrote to memory of 2100	2244	4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe	83
PID 2244 wrote to memory of 2100	2244	4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe	83
PID 2244 wrote to memory of 2100	2244	4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe	83

C:\Users\Admin\AppData\Local\Temp\4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe
"C:\Users\Admin\AppData\Local\Temp\4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe
  "C:\Users\Admin\AppData\Local\Temp\4a32b95f5d2b586bb6b619d8c84a881fe239f199b7decb0a642eea30e3f38303.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2100

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/2100-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2100-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2100-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2244-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/2244-1-0x0000000000BF0000-0x0000000000CF0000-memory.dmp

Filesize
1024KB

Download