smokeloader | 3fcb4e832ab53c5fcad104560ae13ccf19d21fd1239c7dc44da0ca9dcdfbd3d4

Analysis

max time kernel
73s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05/11/2024, 02:38

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General

Target

ed57896c997e7bcfce0a5cd13d1107ee3ea4e1b2f8eb8183eaa7de85b7c70d06.exe
Size

259KB
MD5

ae1d34fef8efe214c82222ebbe69651b
SHA1

6cde32b7080c7f655fe66c5b5fb178ccfd985225
SHA256

ed57896c997e7bcfce0a5cd13d1107ee3ea4e1b2f8eb8183eaa7de85b7c70d06
SHA512

b0f7705e62cc1d2c97d51148e4d815e7eba4b97d3eb4e71b6d79d939175895ac6d45fe7ab8a19d13273338ce4e9680209cb5a027703e0fea438d54df5fbfb7e4
SSDEEP

3072:HXOTHLaL+gAx3TSG1mj5VI9HdXDyWRto0x4+ablErtV7d5PmLDedNaFGM/h3m:3YHOL+fTt1SIBdX/oi+irtV7d4ON4G

Score

10^/10

smokeloader oct backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

oct

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
1128	1880	WerFault.exe	29

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	ed57896c997e7bcfce0a5cd13d1107ee3ea4e1b2f8eb8183eaa7de85b7c70d06.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 1128	1880	ed57896c997e7bcfce0a5cd13d1107ee3ea4e1b2f8eb8183eaa7de85b7c70d06.exe	30
PID 1880 wrote to memory of 1128	1880	ed57896c997e7bcfce0a5cd13d1107ee3ea4e1b2f8eb8183eaa7de85b7c70d06.exe	30
PID 1880 wrote to memory of 1128	1880	ed57896c997e7bcfce0a5cd13d1107ee3ea4e1b2f8eb8183eaa7de85b7c70d06.exe	30
PID 1880 wrote to memory of 1128	1880	ed57896c997e7bcfce0a5cd13d1107ee3ea4e1b2f8eb8183eaa7de85b7c70d06.exe	30

C:\Users\Admin\AppData\Local\Temp\ed57896c997e7bcfce0a5cd13d1107ee3ea4e1b2f8eb8183eaa7de85b7c70d06.exe
"C:\Users\Admin\AppData\Local\Temp\ed57896c997e7bcfce0a5cd13d1107ee3ea4e1b2f8eb8183eaa7de85b7c70d06.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 136
  2⤵
  - Program crash
  PID:1128

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/1880-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/1880-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1880-3-0x0000000000400000-0x0000000002C2E000-memory.dmp

Filesize
40.2MB

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