smokeloader | e3556df958c0f5b47516ad79b2dd29ded46c1583c0ffe691f2f3d84cc0b5dc1b

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/11/2024, 15:21

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General

Target

e3556df958c0f5b47516ad79b2dd29ded46c1583c0ffe691f2f3d84cc0b5dc1b.exe
Size

330KB
MD5

ea7781cd6d02c46a831aa411eaa25575
SHA1

468a15620d8869d4bc6cfc1565f90818ee0396df
SHA256

e3556df958c0f5b47516ad79b2dd29ded46c1583c0ffe691f2f3d84cc0b5dc1b
SHA512

898d4ca021874d49b3c9d211db89a8c1b4670dea53e175ca565bcc778ecbe539ddfa01500be8fc1bb115590d6d53160c22f34c36571ac7767ca5fd388af0c8dc
SSDEEP

6144:MmAnLuAHsAED2p4718Uvlmnd71ZBziQO0ZrrMC7C2:M1qAHsAw718IMn3bOQpRQEC2

Score

10^/10

smokeloader 2023 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

2023

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1720	2136	WerFault.exe	27

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	e3556df958c0f5b47516ad79b2dd29ded46c1583c0ffe691f2f3d84cc0b5dc1b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 1720	2136	e3556df958c0f5b47516ad79b2dd29ded46c1583c0ffe691f2f3d84cc0b5dc1b.exe	28
PID 2136 wrote to memory of 1720	2136	e3556df958c0f5b47516ad79b2dd29ded46c1583c0ffe691f2f3d84cc0b5dc1b.exe	28
PID 2136 wrote to memory of 1720	2136	e3556df958c0f5b47516ad79b2dd29ded46c1583c0ffe691f2f3d84cc0b5dc1b.exe	28
PID 2136 wrote to memory of 1720	2136	e3556df958c0f5b47516ad79b2dd29ded46c1583c0ffe691f2f3d84cc0b5dc1b.exe	28

C:\Users\Admin\AppData\Local\Temp\e3556df958c0f5b47516ad79b2dd29ded46c1583c0ffe691f2f3d84cc0b5dc1b.exe
"C:\Users\Admin\AppData\Local\Temp\e3556df958c0f5b47516ad79b2dd29ded46c1583c0ffe691f2f3d84cc0b5dc1b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 136
  2⤵
  - Program crash
  PID:1720

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/2136-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2136-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

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memory/2136-3-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

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