smokeloader | 6ce1075c1eca41e5a2c2a86ef580496414f423529d6db4d4a4b25ecff9f767d1

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 10:47

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General

Target

Ls1JHbNzSCujAe0rcXjY2nJE.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

pid	pid_target	Process	procid_target
2380	1724	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	Ls1JHbNzSCujAe0rcXjY2nJE.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2380	1724	Ls1JHbNzSCujAe0rcXjY2nJE.exe	30
PID 1724 wrote to memory of 2380	1724	Ls1JHbNzSCujAe0rcXjY2nJE.exe	30
PID 1724 wrote to memory of 2380	1724	Ls1JHbNzSCujAe0rcXjY2nJE.exe	30
PID 1724 wrote to memory of 2380	1724	Ls1JHbNzSCujAe0rcXjY2nJE.exe	30

C:\Users\Admin\AppData\Local\Temp\Ls1JHbNzSCujAe0rcXjY2nJE.exe
"C:\Users\Admin\AppData\Local\Temp\Ls1JHbNzSCujAe0rcXjY2nJE.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 136
  2⤵
  - Program crash
  PID:2380

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/1724-1-0x00000000024E0000-0x00000000025E0000-memory.dmp

Filesize
1024KB

Download
memory/1724-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

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memory/1724-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1724-4-0x0000000000400000-0x00000000023AE000-memory.dmp

Filesize
31.7MB

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