smokeloader | f54ceba6f20b6cf0eb53009095c9f61e89f615a34cbbd6040ecce5c0a20020f2

Resubmissions

29/03/2025, 20:32

250329-zbgs7as1bs 10

18/04/2022, 13:48

220418-q4bm7sabaj 10

Analysis

max time kernel
101s
max time network
106s
platform
windows11-21h2_x64
resource
win11-20250313-en
resource tags

arch:x64arch:x86image:win11-20250313-enlocale:en-usos:windows11-21h2-x64system
submitted
29/03/2025, 20:32

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General

Target

toolspab2.exe
Size

239KB
MD5

03742c1aec9ff3f9d6686ee1f9a7cf5d
SHA1

e143b9c67cf6989a3f2f73dc4ad3dabd52ac2280
SHA256

f54ceba6f20b6cf0eb53009095c9f61e89f615a34cbbd6040ecce5c0a20020f2
SHA512

ebd0d73b546a398fddc88d5f85dbfcb328b7e96383dbf6ca9efa30c956ceebb499ad8b926488372a17cde135c1a7cf347c14cc466ab21d06a8165f8d458cfcd3
SSDEEP

3072:SQCF9Wx/GEAwkAOZAm+kROmiIsxkgaBChpE:/sWRdA3Z7E1iga

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 3008 set thread context of 5828	3008	toolspab2.exe	78

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	toolspab2.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	toolspab2.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	toolspab2.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	toolspab2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 5828	3008	toolspab2.exe	78
PID 3008 wrote to memory of 5828	3008	toolspab2.exe	78
PID 3008 wrote to memory of 5828	3008	toolspab2.exe	78
PID 3008 wrote to memory of 5828	3008	toolspab2.exe	78
PID 3008 wrote to memory of 5828	3008	toolspab2.exe	78
PID 3008 wrote to memory of 5828	3008	toolspab2.exe	78

C:\Users\Admin\AppData\Local\Temp\toolspab2.exe
"C:\Users\Admin\AppData\Local\Temp\toolspab2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\toolspab2.exe
  "C:\Users\Admin\AppData\Local\Temp\toolspab2.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:5828

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/3008-1-0x0000000000800000-0x0000000000900000-memory.dmp

Filesize
1024KB

Download
memory/3008-2-0x00000000007F0000-0x00000000007F9000-memory.dmp

Filesize
36KB

Download
memory/5828-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5828-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5828-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download