smokeloader | 72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0

Analysis

max time kernel
130s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 2576 set thread context of 4616	2576	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	84

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

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 4616	2576	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	84
PID 2576 wrote to memory of 4616	2576	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	84
PID 2576 wrote to memory of 4616	2576	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	84
PID 2576 wrote to memory of 4616	2576	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	84
PID 2576 wrote to memory of 4616	2576	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	84
PID 2576 wrote to memory of 4616	2576	72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe	84

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:2576
- C:\Users\Admin\AppData\Local\Temp\72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe
  "C:\Users\Admin\AppData\Local\Temp\72b33642b862940f781dd3c02a991c1c9b77fc36da5c76a4e8ee64d71cef86f0.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

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/2576-1-0x0000000000B40000-0x0000000000C40000-memory.dmp

Filesize
1024KB

Download
memory/2576-2-0x0000000000A10000-0x0000000000A19000-memory.dmp

Filesize
36KB

Download
memory/4616-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4616-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4616-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download