smokeloader | a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 04:12

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General

Target

a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe
Size

163KB
MD5

ae691cc664f5f28e6f8548acae43c070
SHA1

848312a325dfb8ee83c583c645aead4449c20b63
SHA256

a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3
SHA512

6a414d16f3aa7df27560d314b5dcaa000faa872be8a2e51fd1790c802f58b5533dfd18d19c3c6a601ea6e291d9ad01577c330ce28fcbd6cfebdfe5b79cd93c36
SSDEEP

3072:wGYFMLWuyudxqdxd/o0k6AUpO8s4/uE768/d5uxb/BZzS:wrFMLWgdxAxdw07AJE76Kex9Zz

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:

a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe

description	pid	Process	procid_target
PID 1300 set thread context of 1348	1300	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.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:

a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe

description	pid	Process	procid_target
PID 1300 wrote to memory of 1348	1300	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	30
PID 1300 wrote to memory of 1348	1300	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	30
PID 1300 wrote to memory of 1348	1300	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	30
PID 1300 wrote to memory of 1348	1300	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	30
PID 1300 wrote to memory of 1348	1300	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	30
PID 1300 wrote to memory of 1348	1300	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	30
PID 1300 wrote to memory of 1348	1300	a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe	30

C:\Users\Admin\AppData\Local\Temp\a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe
"C:\Users\Admin\AppData\Local\Temp\a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Users\Admin\AppData\Local\Temp\a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe
  "C:\Users\Admin\AppData\Local\Temp\a15c2bcc27b1e9b51129f83c9210065a6123cb667c492adb5031000d63cf78b3.exe"
  2⤵
  PID:1348

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/1300-6-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/1300-4-0x0000000000640000-0x0000000000740000-memory.dmp

Filesize
1024KB

Download
memory/1348-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1348-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1348-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1348-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download