smokeloader | f79bfed1e3eae67b8592545fb460c4ddfdd7665f43ba341701f1d26f8f869869

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/11/2024, 17:33

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General

Target

b46d86589be0862a67bff722019c8a2e.exe
Size

230KB
MD5

b46d86589be0862a67bff722019c8a2e
SHA1

870256ce6fd74b6c6d4ac99bee6f69830b972291
SHA256

f79bfed1e3eae67b8592545fb460c4ddfdd7665f43ba341701f1d26f8f869869
SHA512

f3e40e2be05457aca7c4b4f5b4e832c3cebf79d0f1a4c45a592fcaf510204c1c4a47c3366f0e091033097313e8a20bc6cbcc07481c27b354b7cad9b255a3377d
SSDEEP

3072:Ze+AaqEL7QUs2OLwX6dGN8X+9x6tOLzNEHRxnFFSf9M/h3qpZa9uD6VdyhkEzRv4:xAaJ8zdEP9Tz2HF81rwVfEz

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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
1712	2120	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	b46d86589be0862a67bff722019c8a2e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 1712	2120	b46d86589be0862a67bff722019c8a2e.exe	30
PID 2120 wrote to memory of 1712	2120	b46d86589be0862a67bff722019c8a2e.exe	30
PID 2120 wrote to memory of 1712	2120	b46d86589be0862a67bff722019c8a2e.exe	30
PID 2120 wrote to memory of 1712	2120	b46d86589be0862a67bff722019c8a2e.exe	30

C:\Users\Admin\AppData\Local\Temp\b46d86589be0862a67bff722019c8a2e.exe
"C:\Users\Admin\AppData\Local\Temp\b46d86589be0862a67bff722019c8a2e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 140
  2⤵
  - Program crash
  PID:1712

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/2120-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/2120-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2120-3-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download