smokeloader | f403e5db7055c16c5608a7c5c5e8d72541f88a83720b84f6ee2a8ed7212f75a8

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/11/2024, 10:03

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General

Target
7zS850A099E/61e74fd41f841_Tue2365aa82b7.exe
Size 267KB
Sample241109-l3mlvssdqq
SHA256 66b03cc7950fb0df8607d07c4bdd45c74d2da333dcdbd97c5192c8b36b5ce039
MD5 9e967a473010b430f5bde8d23b0cb9a6
SHA1 eed882f8ff642d0da9e89371e3ce75c1be317ad2
SHA512 8916a36c24da3ef89066e226179e32ac3714ad72965e42f14fd38c6387c61c82118e519633f3ba628f5d3d5a45d237bdca7d6325d22599b2948503b0f2866fb7
SSDEEP 3072:6QaS+vmwKfvtCqXUAuImwJBZeTU/Cixao2mCtaFXM/h3:raS+vmwIttUAu+PDaodX
MD5 SHA1 SHA512 SSDEEP

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

description	pid	Process	procid_target
PID 2808 set thread context of 2176	2808	61e74fd41f841_Tue2365aa82b7.exe	30

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	61e74fd41f841_Tue2365aa82b7.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2176	2808	61e74fd41f841_Tue2365aa82b7.exe	30
PID 2808 wrote to memory of 2176	2808	61e74fd41f841_Tue2365aa82b7.exe	30
PID 2808 wrote to memory of 2176	2808	61e74fd41f841_Tue2365aa82b7.exe	30
PID 2808 wrote to memory of 2176	2808	61e74fd41f841_Tue2365aa82b7.exe	30
PID 2808 wrote to memory of 2176	2808	61e74fd41f841_Tue2365aa82b7.exe	30
PID 2808 wrote to memory of 2176	2808	61e74fd41f841_Tue2365aa82b7.exe	30
PID 2808 wrote to memory of 2176	2808	61e74fd41f841_Tue2365aa82b7.exe	30

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:2808
- C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e74fd41f841_Tue2365aa82b7.exe
  "C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e74fd41f841_Tue2365aa82b7.exe"
  2⤵
  PID:2176

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/2176-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2176-4-0x0000000000400000-0x0000000000409000-memory.dmp

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memory/2176-6-0x0000000000400000-0x0000000000409000-memory.dmp

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memory/2176-7-0x0000000000400000-0x0000000000409000-memory.dmp

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memory/2808-1-0x0000000000030000-0x0000000000039000-memory.dmp

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memory/2808-0-0x0000000000020000-0x0000000000029000-memory.dmp

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memory/2808-5-0x0000000000020000-0x0000000000029000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads