smokeloader | 90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05

Analysis

max time kernel
94s
max time network
137s
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 13:53

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General

Target

90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe
Size

302KB
MD5

310e034aba4591255619c16fb932ac4a
SHA1

5e6d5f1a650acb213aa0dd850792fb9791670c11
SHA256

90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05
SHA512

dff5c6cd8bccf4147156568846a8b1de89215f46999760f81c0f332e3a33e7b7413f1e90c933d64f3209435e93c94a43f90ba4fc1827ffa523d00ebc5083d8ee
SSDEEP

3072:N/MWQuz/sIw7plhwILML8DtLfCKNIuXB1EpKVuiXwIrn22tThsNbNweGj+Qo6hNR:dQ0Vw7dVPBKRuXaSuyr22tThsIeGjY6

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 4176 set thread context of 2340	4176	90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.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	90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.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	90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4176 wrote to memory of 2340	4176	90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe	82
PID 4176 wrote to memory of 2340	4176	90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe	82
PID 4176 wrote to memory of 2340	4176	90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe	82
PID 4176 wrote to memory of 2340	4176	90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe	82
PID 4176 wrote to memory of 2340	4176	90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe	82
PID 4176 wrote to memory of 2340	4176	90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe	82

C:\Users\Admin\AppData\Local\Temp\90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe
"C:\Users\Admin\AppData\Local\Temp\90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4176
- C:\Users\Admin\AppData\Local\Temp\90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe
  "C:\Users\Admin\AppData\Local\Temp\90965a34b49b47255a9dce9c49f3bf795727d6b8cfc52285bd25835d97cc2c05.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2340

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/2340-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2340-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2340-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4176-1-0x0000000000780000-0x0000000000880000-memory.dmp

Filesize
1024KB

Download
memory/4176-2-0x00000000005B0000-0x00000000005B9000-memory.dmp

Filesize
36KB

Download