smokeloader | c97dd81d3765df90080de66bea1a33b2e4af1f448a49ae986bd559edcb29a90b

Analysis

max time kernel
93s
max time network
151s
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 14:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe
Size

163KB
MD5

a469bc2d35eb9d9fed8edf3d51f666bc
SHA1

c8633351e6783e06d8dc05c10be0cc9e48e5966d
SHA256

d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944
SHA512

7a8bea1f6d4c1319769caa0aeec7ecf9c099afd173c073faf73ae088238a3de3cb4cc45157b79c719c3db15b52fff0d0aaeeeed6c9b3448f2dc4bb66aaf07abc
SSDEEP

3072:yvJ4+MA5vaIKTd5+/kp59CB8BqYQEdWRmVatSNvk:yi+McfKi/gCBTEoRQMSdk

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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 4988 set thread context of 3440	4988	d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.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	d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 3440	4988	d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe	82
PID 4988 wrote to memory of 3440	4988	d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe	82
PID 4988 wrote to memory of 3440	4988	d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe	82
PID 4988 wrote to memory of 3440	4988	d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe	82
PID 4988 wrote to memory of 3440	4988	d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe	82
PID 4988 wrote to memory of 3440	4988	d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe	82

C:\Users\Admin\AppData\Local\Temp\d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe
"C:\Users\Admin\AppData\Local\Temp\d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Users\Admin\AppData\Local\Temp\d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe
  "C:\Users\Admin\AppData\Local\Temp\d7cfbcb23bcb4fd8a03b810e8d0c9a4e176eed45f4e6c3267feee3bfc758b944.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3440

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

Loading Replay Monitor...

Downloads

memory/3440-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3440-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3440-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4988-1-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download
memory/4988-2-0x00000000022D0000-0x00000000022D9000-memory.dmp

Filesize
36KB

Download