smokeloader | dbdb54d5a90130e3370590c7e07b2e3146f8578305554ba3ed11aab579a3dd3f

Analysis

max time kernel
120s
max time network
129s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 12:03

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General

Target

21oenuW1qnqk7qUsHH7Z2We5.exe
Size

273KB
MD5

ac7f28f999ef6657abc24673642b518a
SHA1

37c701301ba28e8329f7c990a790320d021331a0
SHA256

46d153d7d517ea834af83364c01388f5c4af458c359625244aa7bac158e8bff2
SHA512

d45fe4a99c81d2221ebb4b537a23ac2a64e05defb8c789eb8a716af30685d2ca5963e8caeadcaec74e5ea588311ea59509077f14870193408114b261e7b97370
SSDEEP

6144:38Gjn4iGmFj3lToLMjHxWs0YMaGahpgxSDj4SmsLdnAJ:jnfGmRVTL74mpgSDkudnA

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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

1760 2240 WerFault.exe 21oenuW1qnqk7qUsHH7Z2We5.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:

21oenuW1qnqk7qUsHH7Z2We5.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 21oenuW1qnqk7qUsHH7Z2We5.exe

pid	pid_target	process	target process
1760	2240	WerFault.exe	21oenuW1qnqk7qUsHH7Z2We5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21oenuW1qnqk7qUsHH7Z2We5.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

21oenuW1qnqk7qUsHH7Z2We5.exe

description	pid	process	target process
PID 2240 wrote to memory of 1760	2240	21oenuW1qnqk7qUsHH7Z2We5.exe	WerFault.exe
PID 2240 wrote to memory of 1760	2240	21oenuW1qnqk7qUsHH7Z2We5.exe	WerFault.exe
PID 2240 wrote to memory of 1760	2240	21oenuW1qnqk7qUsHH7Z2We5.exe	WerFault.exe
PID 2240 wrote to memory of 1760	2240	21oenuW1qnqk7qUsHH7Z2We5.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\21oenuW1qnqk7qUsHH7Z2We5.exe
"C:\Users\Admin\AppData\Local\Temp\21oenuW1qnqk7qUsHH7Z2We5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 136
  2⤵
  - Program crash
  PID:1760

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/2240-1-0x0000000002580000-0x0000000002680000-memory.dmp

Filesize
1024KB

Download
memory/2240-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2240-3-0x0000000000400000-0x00000000023AE000-memory.dmp

Filesize
31.7MB

Download