smokeloader | 55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 19:10

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General

Target

55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe
Size

333KB
MD5

1e2f08bc7d3863e235ce07d51e70117f
SHA1

98df8d054b21d2170147052bb118c36464fa0e01
SHA256

55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6
SHA512

7f92be98482e3c0ceb47b1b6a90475988bdb6ccc3c3505cbe538db920a493c60a1ed644900b735dcc4b2fdb3cf53249b01557230f27309d5c658871a476ebbc8
SSDEEP

3072:BcY0hyKQX8OhRyAr0uFUZ7gz2LFoclo9dwMIWLL7DUzFlwLOqbggtISSz6DUUSMJ:BXfRc0URA2LKcG0MbLT+FlSO8xI3Ei

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

Processes:

55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe

description	pid	Process	procid_target
PID 2688 set thread context of 2340	2688	55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.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

Processes:

55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe

description	pid	Process	procid_target
PID 2688 wrote to memory of 2340	2688	55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe	30
PID 2688 wrote to memory of 2340	2688	55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe	30
PID 2688 wrote to memory of 2340	2688	55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe	30
PID 2688 wrote to memory of 2340	2688	55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe	30
PID 2688 wrote to memory of 2340	2688	55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe	30
PID 2688 wrote to memory of 2340	2688	55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe	30
PID 2688 wrote to memory of 2340	2688	55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe	30

C:\Users\Admin\AppData\Local\Temp\55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe
"C:\Users\Admin\AppData\Local\Temp\55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Users\Admin\AppData\Local\Temp\55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe
  "C:\Users\Admin\AppData\Local\Temp\55a6d4ffb9429be6dcff4cf032b7b007a9931e714aa7eacdc12cea2f44a27ee6.exe"
  2⤵
  PID:2340

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/2340-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2340-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2340-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2340-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2688-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2688-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download