smokeloader | ef777b8757ec1180d3c580dbdd2be56a25da197bf3f6ea1c943b5127dc5ae3d4

Analysis

max time kernel
91s
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
25-12-2024 12:23

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General

Target

8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe
Size

293KB
MD5

f64b05aa378b8f6c8a922b1d2e3d437e
SHA1

c77401672be76f80b0a78c8c8ff791aa550f2afc
SHA256

8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4
SHA512

b300460eed37b4d1742d8ef284c66705d5aa90c175375631e3cf59ca3fde12e2582a45e24756f0d36e1064c7465d4cfc73067f04138ee0e6f17cc3e6a0a40bd6
SSDEEP

3072:KJAhLcLFkhp/prGM6dB6/+C1SlGFQhpisOf0CWrxpzbgqruJnfed:AAhLcL+/pKwKlnqsOMCuzbgwuJG

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 1724 set thread context of 516	1724	8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe	84

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	8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.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	8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 516	1724	8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe	84
PID 1724 wrote to memory of 516	1724	8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe	84
PID 1724 wrote to memory of 516	1724	8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe	84
PID 1724 wrote to memory of 516	1724	8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe	84
PID 1724 wrote to memory of 516	1724	8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe	84
PID 1724 wrote to memory of 516	1724	8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe	84

C:\Users\Admin\AppData\Local\Temp\8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe
"C:\Users\Admin\AppData\Local\Temp\8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe
  "C:\Users\Admin\AppData\Local\Temp\8e1d2aa70666b3defcf06a2d5def6c42713955ed5d6f0981d8372d50018fdff4.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:516

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/516-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/516-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/516-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1724-0-0x00000000006C0000-0x00000000006C9000-memory.dmp

Filesize
36KB

Download
memory/1724-1-0x00000000006D0000-0x00000000006D9000-memory.dmp

Filesize
36KB

Download
memory/1724-4-0x00000000006C0000-0x00000000006C9000-memory.dmp

Filesize
36KB

Download