smokeloader | 72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05/11/2024, 22:03

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General

Target

72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe
Size

334KB
MD5

ecf2374c8902ea11e205da3cb0f4762a
SHA1

3d64bc63d22cd1ffbf271858f2a822302c9ddd85
SHA256

72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0
SHA512

5d610bf7f3bbcb0f9f3974c73df768918ad9899ad97db55c75c112055d36db5c5859a04a352af19964bf6c033f338e0668300f421833d84b03182ee10a61e85b
SSDEEP

6144:XMdmGeVTusDfe6ml7sXegmPxpNhaWnjEmqTxxtfWXRmM9Bpwynu:XD7xfA7sXe5Js+jTqTTtGl/wo

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

description	pid	Process	procid_target
PID 2748 set thread context of 2824	2748	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2824	2748	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	31
PID 2748 wrote to memory of 2824	2748	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	31
PID 2748 wrote to memory of 2824	2748	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	31
PID 2748 wrote to memory of 2824	2748	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	31
PID 2748 wrote to memory of 2824	2748	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	31
PID 2748 wrote to memory of 2824	2748	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	31
PID 2748 wrote to memory of 2824	2748	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	31

C:\Users\Admin\AppData\Local\Temp\72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe
"C:\Users\Admin\AppData\Local\Temp\72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Users\Admin\AppData\Local\Temp\72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe
  "C:\Users\Admin\AppData\Local\Temp\72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe"
  2⤵
  PID:2824

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/2748-2-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2748-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2824-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2824-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2824-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download