smokeloader | 5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 22:48

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General

Target

5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17.exe
Size

324KB
MD5

0ae8e79e152abfa946c4147e8fc50c23
SHA1

e70217ae831b2dafe238dfae8277ef66d0168f18
SHA256

5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17
SHA512

2e8137a84dc7f232e4fc6579338fb48aba8ea4f1e019cb6034b818487fb3a235ffd13a93ad573f612ef782a1958aab709eba2ffdefe5e6caf272f41b3d296978
SSDEEP

6144:9YdzQ5/OK7og4qGA9+ZpOu7Mssz94sErwA:K6O6AqGAIZ7MssziR

Score

10^/10

smokeloader pub5 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub5

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

2596 2420 WerFault.exe 5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17.exe

pid	pid_target	process	target process
2596	2420	WerFault.exe	5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17.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:

5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17.exe

description	pid	process	target process
PID 2420 wrote to memory of 2596	2420	5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17.exe	WerFault.exe
PID 2420 wrote to memory of 2596	2420	5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17.exe	WerFault.exe
PID 2420 wrote to memory of 2596	2420	5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17.exe	WerFault.exe
PID 2420 wrote to memory of 2596	2420	5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17.exe
"C:\Users\Admin\AppData\Local\Temp\5b40d751f8a23040be8f3b3358428e82122b88e19e779e82112ebb67e5f89e17.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 136
  2⤵
  - Program crash
  PID:2596

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/2420-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2420-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2420-3-0x0000000000400000-0x00000000016C4000-memory.dmp

Filesize
18.8MB

Download