smokeloader | 1ce3f07ac872167d42f329d624182d395020bec54a3d81306f6865d5d35d2729

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 18:37

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General

Target

b2e3670b7a2ab39f8e1041e16f9625577eaca98c78885475e7980bf035b493de.exe
Size

213KB
MD5

3299d71662eeafeb7edd52684d2cd389
SHA1

2087919eb78e7523f6aacbed32dd3a3b2bd72e73
SHA256

b2e3670b7a2ab39f8e1041e16f9625577eaca98c78885475e7980bf035b493de
SHA512

3e527ce723d8e1248d835a3eb88d6c6bf2c887cb54eac2de9a0536450b289e3d405b05330854f7207f7eeb345a09d5cebda972ff2538ed5e7dcc5e2f5b81a8f6
SSDEEP

3072:EYZXfzpgxXQUkQZ4m2KbSvUFb4xb/PnnV9XTTwsxkgaBCh:EMr2xgT7Kbcabsb/PnnVTiga

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

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 target process

2644 2628 WerFault.exe b2e3670b7a2ab39f8e1041e16f9625577eaca98c78885475e7980bf035b493de.exe

pid	pid_target	process	target process
2644	2628	WerFault.exe	b2e3670b7a2ab39f8e1041e16f9625577eaca98c78885475e7980bf035b493de.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:

b2e3670b7a2ab39f8e1041e16f9625577eaca98c78885475e7980bf035b493de.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2e3670b7a2ab39f8e1041e16f9625577eaca98c78885475e7980bf035b493de.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b2e3670b7a2ab39f8e1041e16f9625577eaca98c78885475e7980bf035b493de.exe

description	pid	process	target process
PID 2628 wrote to memory of 2644	2628	b2e3670b7a2ab39f8e1041e16f9625577eaca98c78885475e7980bf035b493de.exe	WerFault.exe
PID 2628 wrote to memory of 2644	2628	b2e3670b7a2ab39f8e1041e16f9625577eaca98c78885475e7980bf035b493de.exe	WerFault.exe
PID 2628 wrote to memory of 2644	2628	b2e3670b7a2ab39f8e1041e16f9625577eaca98c78885475e7980bf035b493de.exe	WerFault.exe
PID 2628 wrote to memory of 2644	2628	b2e3670b7a2ab39f8e1041e16f9625577eaca98c78885475e7980bf035b493de.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\b2e3670b7a2ab39f8e1041e16f9625577eaca98c78885475e7980bf035b493de.exe
"C:\Users\Admin\AppData\Local\Temp\b2e3670b7a2ab39f8e1041e16f9625577eaca98c78885475e7980bf035b493de.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 136
  2⤵
  - Program crash
  PID:2644

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/2628-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2628-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2628-3-0x0000000000400000-0x0000000000630000-memory.dmp

Filesize
2.2MB

Download