smokeloader | c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0

Analysis

max time kernel
93s
max time network
142s
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 14:04

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General

Target

c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe
Size

255KB
MD5

5d539676cda18094e4e11f4d02f9076c
SHA1

58eebca2c7c155fa68d4e07ff753d443eb79aab1
SHA256

c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0
SHA512

3e8bf35317c37de8df1291e116d5d5ddf9a44224e858f968d46ce40064d84064534151b2f23a2bb22cf37f099e4d55c3bbf3fffe60e988e0adb706f4d9d862f1
SSDEEP

3072:aXihjH3ewy8gspTR3KNRf289UdaEbMaeXCRcsdFqfe5mKEoP8AduiF3E/:6sH3X13KL9U1bnRcsncEcEII0/

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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 612 set thread context of 4512	612	c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.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	c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.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	c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 612 wrote to memory of 4512	612	c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe	82
PID 612 wrote to memory of 4512	612	c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe	82
PID 612 wrote to memory of 4512	612	c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe	82
PID 612 wrote to memory of 4512	612	c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe	82
PID 612 wrote to memory of 4512	612	c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe	82
PID 612 wrote to memory of 4512	612	c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe	82

C:\Users\Admin\AppData\Local\Temp\c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe
"C:\Users\Admin\AppData\Local\Temp\c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:612
- C:\Users\Admin\AppData\Local\Temp\c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe
  "C:\Users\Admin\AppData\Local\Temp\c375300a88e60ae0d4f8ee8cec96b31f91edbe9751cce8875b7de5451ceecff0.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4512

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/612-1-0x0000000002CC0000-0x0000000002DC0000-memory.dmp

Filesize
1024KB

Download
memory/612-2-0x0000000002CB0000-0x0000000002CB9000-memory.dmp

Filesize
36KB

Download
memory/4512-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4512-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4512-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download