smokeloader | a63540d4b4579fea912a2b058e5fa0cf548576b54dbd8230e0d4ce5528cc9f77

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 13:58

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General

Target

1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe
Size

307KB
MD5

113967e809d443ef0bde63ca6f10ac68
SHA1

a492d747458d6119fc4b82b1bcd1ffedb926b265
SHA256

1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5
SHA512

a176c6e3d82fdc725c8bedb8c50a194d8e4ef33fad4e10474cbc74f9334953b5403d06b65dc6c5f62f233728cda00d427cf9a55e2c8dc438f5f7b08886d97989
SSDEEP

6144:AFKkjLCmOluerYUjnHaRAVkXKhUV3PfzX4KEn2E1a:AFpGmOldr9E6e1PfzX4KUv

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 3068 set thread context of 2664	3068	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	30

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	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2664	3068	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	30
PID 3068 wrote to memory of 2664	3068	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	30
PID 3068 wrote to memory of 2664	3068	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	30
PID 3068 wrote to memory of 2664	3068	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	30
PID 3068 wrote to memory of 2664	3068	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	30
PID 3068 wrote to memory of 2664	3068	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	30
PID 3068 wrote to memory of 2664	3068	1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe	30

C:\Users\Admin\AppData\Local\Temp\1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe
"C:\Users\Admin\AppData\Local\Temp\1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Local\Temp\1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe
  "C:\Users\Admin\AppData\Local\Temp\1bf9d8815e81a8fd4a84ca6d7d5dfedbe6217bb38ae6f133e92bdaf92ec3a4e5.exe"
  2⤵
  PID:2664

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

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Downloads

memory/2664-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2664-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3068-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/3068-2-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download