smokeloader | 5e76223b4ec53240790dbdb1a2937774f48094711ee0cf2a5906ffd8e727e519

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 13:21

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General

Target

ddea2e8fdf71f225d8edebe0034e589f.exe
Size

421KB
MD5

ddea2e8fdf71f225d8edebe0034e589f
SHA1

b8c92917f1fe79d3595c7cdcd4c157eae69c7ba6
SHA256

5e76223b4ec53240790dbdb1a2937774f48094711ee0cf2a5906ffd8e727e519
SHA512

a924639de2b707d8e1aba9b7b5c1b2aa0cccb6e5e03513724cc0dd3049ebdc295d09b655f3fdb2c920de15a3847df99ded5e4a241af22d42ef43d61c88e3cb7e
SSDEEP

6144:C9L6WkBljkkvOqysCusnDXebpcOB3FyxMfb9ObhzQ5D/7sFj5:22WkBdhvOfuK+p/B3FyGbUbhQ5M

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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4140 4508 WerFault.exe ddea2e8fdf71f225d8edebe0034e589f.exe
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:

ddea2e8fdf71f225d8edebe0034e589f.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ddea2e8fdf71f225d8edebe0034e589f.exe

pid	pid_target	process	target process
4140	4508	WerFault.exe	ddea2e8fdf71f225d8edebe0034e589f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ddea2e8fdf71f225d8edebe0034e589f.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

ddea2e8fdf71f225d8edebe0034e589f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ddea2e8fdf71f225d8edebe0034e589f.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ddea2e8fdf71f225d8edebe0034e589f.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ddea2e8fdf71f225d8edebe0034e589f.exe

C:\Users\Admin\AppData\Local\Temp\ddea2e8fdf71f225d8edebe0034e589f.exe
"C:\Users\Admin\AppData\Local\Temp\ddea2e8fdf71f225d8edebe0034e589f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4508
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4508 -s 356
  2⤵
  - Program crash
  PID:4140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4508 -ip 4508
1⤵
PID:652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4508-0-0x00000000021F0000-0x000000000221C000-memory.dmp

Filesize
176KB

Download
memory/4508-1-0x0000000000720000-0x000000000072B000-memory.dmp

Filesize
44KB

Download
memory/4508-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4508-3-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/4508-4-0x00000000021F0000-0x000000000221C000-memory.dmp

Filesize
176KB

Download
memory/4508-5-0x0000000000720000-0x000000000072B000-memory.dmp

Filesize
44KB

Download
memory/4508-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download