smokeloader | 5dd8b3fb036735240645400bd556f5f85d34e8d863e0c1331b2addd444ec7136

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 13:37

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General

Target

f919647759183e07c33e327759c1ea23.exe
Size

232KB
MD5

f919647759183e07c33e327759c1ea23
SHA1

54b342cab54a66842c75e8061dde646c1ce06247
SHA256

5dd8b3fb036735240645400bd556f5f85d34e8d863e0c1331b2addd444ec7136
SHA512

48464c48278b4c5ce00e576c8e5605bbda054ef93f87b6e2c8c4c4ce476e11866624b9b58b1b1a44c444948d781dd87356ccca3c4e6ad0bba251447b193edd97
SSDEEP

3072:LXO2aH7LJU8wQmW/FRL2dfCtQZ85oV0kCt6n/6oPaTJh7vQ1:j7I7LJAQm4R2dDZ8iV0zt6nSMaTP7v

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

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2104	1708	WerFault.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:

f919647759183e07c33e327759c1ea23.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f919647759183e07c33e327759c1ea23.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

f919647759183e07c33e327759c1ea23.exe

description	pid	Process	procid_target
PID 1708 wrote to memory of 2104	1708	f919647759183e07c33e327759c1ea23.exe	31
PID 1708 wrote to memory of 2104	1708	f919647759183e07c33e327759c1ea23.exe	31
PID 1708 wrote to memory of 2104	1708	f919647759183e07c33e327759c1ea23.exe	31
PID 1708 wrote to memory of 2104	1708	f919647759183e07c33e327759c1ea23.exe	31

C:\Users\Admin\AppData\Local\Temp\f919647759183e07c33e327759c1ea23.exe
"C:\Users\Admin\AppData\Local\Temp\f919647759183e07c33e327759c1ea23.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 140
  2⤵
  - Program crash
  PID:2104

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/1708-1-0x0000000000950000-0x0000000000A50000-memory.dmp

Filesize
1024KB

Download
memory/1708-3-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1708-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download