smokeloader | f4f2bf4ddc04ff27514e0ebe8937fc896219f82b24bebb41c1965888986aa89b

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 23:23

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General

Target

09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe
Size

278KB
MD5

e399393e7f44822e6064e45a6dd7a8df
SHA1

aed6ef79c065852ae0cabc68f0f0dee43aca377a
SHA256

09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9
SHA512

6ae41f393884ad1bbffad673ff6eff7be494b426c8b2c87bb1119eacf54045fae8a09ad2581a2dd3d347ca9f1c5c2025625e4ede0d8bc000bdea8ac3cae3e2a5
SSDEEP

3072:xmEf9DU9XymGoXFKSkbho56NJgSWOrDX3AlYulM1Wrxpzbgqru:xXlDU1LKzbh0NSWSDAlY1uzbgwu

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 1808 set thread context of 2688	1808	09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.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	09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.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	09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 2688	1808	09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe	82
PID 1808 wrote to memory of 2688	1808	09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe	82
PID 1808 wrote to memory of 2688	1808	09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe	82
PID 1808 wrote to memory of 2688	1808	09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe	82
PID 1808 wrote to memory of 2688	1808	09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe	82
PID 1808 wrote to memory of 2688	1808	09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe	82

C:\Users\Admin\AppData\Local\Temp\09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe
"C:\Users\Admin\AppData\Local\Temp\09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Users\Admin\AppData\Local\Temp\09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe
  "C:\Users\Admin\AppData\Local\Temp\09feed1234e29f79b739aa6863b7a62376b8c912ea19b6a340186e11b1388ec9.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2688

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/1808-0-0x0000000002190000-0x0000000002199000-memory.dmp

Filesize
36KB

Download
memory/1808-1-0x00000000021A0000-0x00000000021A9000-memory.dmp

Filesize
36KB

Download
memory/1808-3-0x0000000002190000-0x0000000002199000-memory.dmp

Filesize
36KB

Download
memory/2688-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2688-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2688-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download