smokeloader | f403e5db7055c16c5608a7c5c5e8d72541f88a83720b84f6ee2a8ed7212f75a8

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-11-2024 06:29

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General

Target

7zS850A099E/61e74fd41f841_Tue2365aa82b7.exe
Size

267KB
MD5

9e967a473010b430f5bde8d23b0cb9a6
SHA1

eed882f8ff642d0da9e89371e3ce75c1be317ad2
SHA256

66b03cc7950fb0df8607d07c4bdd45c74d2da333dcdbd97c5192c8b36b5ce039
SHA512

8916a36c24da3ef89066e226179e32ac3714ad72965e42f14fd38c6387c61c82118e519633f3ba628f5d3d5a45d237bdca7d6325d22599b2948503b0f2866fb7
SSDEEP

3072:6QaS+vmwKfvtCqXUAuImwJBZeTU/Cixao2mCtaFXM/h3:raS+vmwIttUAu+PDaodX

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader
Suspicious use of SetThreadContext 1 IoCs

Processes:

61e74fd41f841_Tue2365aa82b7.exe

description pid process target process

PID 2440 set thread context of 2432 2440 61e74fd41f841_Tue2365aa82b7.exe 61e74fd41f841_Tue2365aa82b7.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:

61e74fd41f841_Tue2365aa82b7.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 61e74fd41f841_Tue2365aa82b7.exe

description	pid	process	target process
PID 2440 set thread context of 2432	2440	61e74fd41f841_Tue2365aa82b7.exe	61e74fd41f841_Tue2365aa82b7.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	61e74fd41f841_Tue2365aa82b7.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

61e74fd41f841_Tue2365aa82b7.exe

description	pid	process	target process
PID 2440 wrote to memory of 2432	2440	61e74fd41f841_Tue2365aa82b7.exe	61e74fd41f841_Tue2365aa82b7.exe
PID 2440 wrote to memory of 2432	2440	61e74fd41f841_Tue2365aa82b7.exe	61e74fd41f841_Tue2365aa82b7.exe
PID 2440 wrote to memory of 2432	2440	61e74fd41f841_Tue2365aa82b7.exe	61e74fd41f841_Tue2365aa82b7.exe
PID 2440 wrote to memory of 2432	2440	61e74fd41f841_Tue2365aa82b7.exe	61e74fd41f841_Tue2365aa82b7.exe
PID 2440 wrote to memory of 2432	2440	61e74fd41f841_Tue2365aa82b7.exe	61e74fd41f841_Tue2365aa82b7.exe
PID 2440 wrote to memory of 2432	2440	61e74fd41f841_Tue2365aa82b7.exe	61e74fd41f841_Tue2365aa82b7.exe
PID 2440 wrote to memory of 2432	2440	61e74fd41f841_Tue2365aa82b7.exe	61e74fd41f841_Tue2365aa82b7.exe

C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e74fd41f841_Tue2365aa82b7.exe
"C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e74fd41f841_Tue2365aa82b7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e74fd41f841_Tue2365aa82b7.exe
  "C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e74fd41f841_Tue2365aa82b7.exe"
  2⤵
  PID:2432

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/2432-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2432-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2432-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2432-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2440-0-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2440-1-0x0000000000030000-0x0000000000039000-memory.dmp

Filesize
36KB

Download
memory/2440-5-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download