smokeloader | 1e902df1377fe03cc6d153fe79db192589e68d96d817307856150eb9e98a53ee

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 08:22

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General

Target

f5d2704617d33824adfea9476d946a335ac6e3fc.exe
Size

361KB
MD5

873a639a93c1d19b872141d9572200ba
SHA1

f5d2704617d33824adfea9476d946a335ac6e3fc
SHA256

1e902df1377fe03cc6d153fe79db192589e68d96d817307856150eb9e98a53ee
SHA512

256dc9d35bfd3a220863f777b2355f461cfccdc461a99ef9167334a89b025580ba5fc0113b9be7b2d12b6ee48d3afc100c53a3fd0f68e056f76c6fd07fb553f0
SSDEEP

6144:0FOlrWY18VODdR1YGqWnv4ygFdp41hajlttKh4rEZS1ulkYUdlnaRuGrS:jB18VODL1YZWnv4ygFdp41ha3L1ulkbW

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

f5d2704617d33824adfea9476d946a335ac6e3fc.exe

description	pid	Process	procid_target
PID 2536 set thread context of 2992	2536	f5d2704617d33824adfea9476d946a335ac6e3fc.exe	31

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:

f5d2704617d33824adfea9476d946a335ac6e3fc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5d2704617d33824adfea9476d946a335ac6e3fc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

f5d2704617d33824adfea9476d946a335ac6e3fc.exe

pid	Process
2536	f5d2704617d33824adfea9476d946a335ac6e3fc.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f5d2704617d33824adfea9476d946a335ac6e3fc.exe

description	pid	Process	procid_target
PID 2536 wrote to memory of 2992	2536	f5d2704617d33824adfea9476d946a335ac6e3fc.exe	31
PID 2536 wrote to memory of 2992	2536	f5d2704617d33824adfea9476d946a335ac6e3fc.exe	31
PID 2536 wrote to memory of 2992	2536	f5d2704617d33824adfea9476d946a335ac6e3fc.exe	31
PID 2536 wrote to memory of 2992	2536	f5d2704617d33824adfea9476d946a335ac6e3fc.exe	31
PID 2536 wrote to memory of 2992	2536	f5d2704617d33824adfea9476d946a335ac6e3fc.exe	31
PID 2536 wrote to memory of 2992	2536	f5d2704617d33824adfea9476d946a335ac6e3fc.exe	31
PID 2536 wrote to memory of 2992	2536	f5d2704617d33824adfea9476d946a335ac6e3fc.exe	31
PID 2536 wrote to memory of 2992	2536	f5d2704617d33824adfea9476d946a335ac6e3fc.exe	31
PID 2536 wrote to memory of 2992	2536	f5d2704617d33824adfea9476d946a335ac6e3fc.exe	31

C:\Users\Admin\AppData\Local\Temp\f5d2704617d33824adfea9476d946a335ac6e3fc.exe
"C:\Users\Admin\AppData\Local\Temp\f5d2704617d33824adfea9476d946a335ac6e3fc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2992

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/2536-0-0x00000000008F7000-0x00000000008F9000-memory.dmp

Filesize
8KB

Download
memory/2992-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2992-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2992-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download