smokeloader | df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550

Analysis

max time kernel
141s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2024 04:03

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General

Target

df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe
Size

332KB
MD5

668fb280ebd65c98b8a5177c729befd9
SHA1

3fb36c6cce744ffbbc445a7937541f04ed2daf93
SHA256

df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550
SHA512

0ac64338c9f34dcf5dfcd060b079b5e8171cb2784679bbf7da3dafb6476f6fd5de7c355a7029e2495bb524127998f2b8f1c7088919d47bd38901ecb2569c7d98
SSDEEP

3072:UqfeM3WhbEkyJiOMAnX9F+edgqrm2NNQhn51Eeuk6Fk8gCTChVb0dc/sTWCHAV+3:/fehbZbeSqrmONaQ+eGhBkywAV+8

Score

10^/10

smokeloader 0504 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

0504

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4576	df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3336 set thread context of 4576	3336	df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe	87

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	df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.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	df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3336 wrote to memory of 4576	3336	df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe	87
PID 3336 wrote to memory of 4576	3336	df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe	87
PID 3336 wrote to memory of 4576	3336	df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe	87
PID 3336 wrote to memory of 4576	3336	df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe	87
PID 3336 wrote to memory of 4576	3336	df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe	87
PID 3336 wrote to memory of 4576	3336	df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe	87

C:\Users\Admin\AppData\Local\Temp\df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe
"C:\Users\Admin\AppData\Local\Temp\df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3336
- C:\Users\Admin\AppData\Local\Temp\df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe
  "C:\Users\Admin\AppData\Local\Temp\df57c3724ad8e3a8794ba2f1fa0ba7929fda8a9f4a213246990233efeea9d550.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:4576

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\AE30.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/3336-1-0x00000000006C0000-0x00000000007C0000-memory.dmp

Filesize
1024KB

Download
memory/3336-2-0x0000000000610000-0x000000000061C000-memory.dmp

Filesize
48KB

Download
memory/4576-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4576-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4576-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download