smokeloader | 8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 14:50

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General

Target

8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe
Size

295KB
MD5

19b1e426cc4ab99a312fcb8fea7f9d21
SHA1

82690959a5c80ad6372c36e96c543aff8c04988c
SHA256

8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32
SHA512

d715ececfe5eef24110238a3eeb952d7a6d1a5bd0a7dacaa5d56d5335c04b73974b9496609e6b6a4a7967b5184f04ca54b8e5b5f0949e1ad157d0da969e2c212
SSDEEP

6144:+NR7L1ok83BMDdf+Ukuf+IanX59EPCmK:QR7BoaW6NaX59Y

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe

description	pid	Process	procid_target
PID 2944 set thread context of 2968	2944	8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe	31

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

Processes:

8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe

description	pid	Process	procid_target
PID 2944 wrote to memory of 2968	2944	8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe	31
PID 2944 wrote to memory of 2968	2944	8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe	31
PID 2944 wrote to memory of 2968	2944	8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe	31
PID 2944 wrote to memory of 2968	2944	8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe	31
PID 2944 wrote to memory of 2968	2944	8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe	31
PID 2944 wrote to memory of 2968	2944	8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe	31
PID 2944 wrote to memory of 2968	2944	8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe	31

C:\Users\Admin\AppData\Local\Temp\8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe
"C:\Users\Admin\AppData\Local\Temp\8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Users\Admin\AppData\Local\Temp\8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe
  "C:\Users\Admin\AppData\Local\Temp\8ef633cda04c416471a6c17846a62d3e58f9ddb36a2d99e6bb9929c474ec7b32.exe"
  2⤵
  PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2944-1-0x0000000002290000-0x0000000002390000-memory.dmp

Filesize
1024KB

Download
memory/2944-5-0x0000000000220000-0x000000000022A000-memory.dmp

Filesize
40KB

Download
memory/2944-10-0x0000000002290000-0x0000000002390000-memory.dmp

Filesize
1024KB

Download
memory/2968-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2968-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2968-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2968-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download