smokeloader | d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc

Analysis

max time kernel
132s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-08-2024 04:32

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General

Target

d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe
Size

301KB
MD5

8b7b39a22f88119b577d18f5203d3580
SHA1

d2dd1ce5afc18dbdd98d3d328f29863eaf84dc01
SHA256

d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc
SHA512

f70acbb31b5777824fa861ce7d4df4b4fd5b64767be312b9167cbcf99545cc07d0bd445052e6dafb58a1af5f9ffe95e567501f0287b48b846002109e14c94a8f
SSDEEP

6144:Fmh8ukYHxfL62vUH4L3GvyFv+WxsVfsKE0VXQ9M0:Fk8uJL62MsGKBxwfspP9H

Score

10^/10

smokeloader 0304 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

0304

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4704	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 496 set thread context of 4704	496	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	89

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	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.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	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 496 wrote to memory of 4704	496	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	89
PID 496 wrote to memory of 4704	496	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	89
PID 496 wrote to memory of 4704	496	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	89
PID 496 wrote to memory of 4704	496	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	89
PID 496 wrote to memory of 4704	496	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	89
PID 496 wrote to memory of 4704	496	d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe	89

C:\Users\Admin\AppData\Local\Temp\d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe
"C:\Users\Admin\AppData\Local\Temp\d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:496
- C:\Users\Admin\AppData\Local\Temp\d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe
  "C:\Users\Admin\AppData\Local\Temp\d5e335e98d4dda4647be3b9ecedc5e4a356ffcb78b547ae581eec7cdd31f23cc.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:4704

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/496-1-0x00000000004B0000-0x00000000005B0000-memory.dmp

Filesize
1024KB

Download
memory/496-2-0x0000000002060000-0x000000000206C000-memory.dmp

Filesize
48KB

Download
memory/4704-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4704-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4704-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download