smokeloader | aed805f4ceacfdd7b451b3d7ddf2f5ed0ec20bb57db09941d44658f05d015311

Analysis

max time kernel
116s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 08:23

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General

Target

d023942a2f2728b48ed5e19b9aabd640N.exe
Size

215KB
MD5

d023942a2f2728b48ed5e19b9aabd640
SHA1

070a343ee74f1b2eebb7e6c1cdfe64be07dfd61f
SHA256

aed805f4ceacfdd7b451b3d7ddf2f5ed0ec20bb57db09941d44658f05d015311
SHA512

7639ced35c1132b3861dd8815dbdf0f9852eaa1310b778c34a7ae542206cbe9e23559538defa9aeff292047ed6d9b5185d533c821d6ba6f049974ec5f0e2a05e
SSDEEP

3072:+6uUpHi90z0M0KtmCDbFN4RBkIf7NZKBJaEMiM50Qyb3c:cUpdwitZN7Izk9WE

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
448	2724	WerFault.exe	90

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	d023942a2f2728b48ed5e19b9aabd640N.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	d023942a2f2728b48ed5e19b9aabd640N.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d023942a2f2728b48ed5e19b9aabd640N.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d023942a2f2728b48ed5e19b9aabd640N.exe

C:\Users\Admin\AppData\Local\Temp\d023942a2f2728b48ed5e19b9aabd640N.exe
"C:\Users\Admin\AppData\Local\Temp\d023942a2f2728b48ed5e19b9aabd640N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:2724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 460
  2⤵
  - Program crash
  PID:448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2724 -ip 2724
1⤵
PID:3944

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4264,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=1964 /prefetch:8
1⤵
PID:1740

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

memory/2724-1-0x0000000000490000-0x0000000000590000-memory.dmp

Filesize
1024KB

Download
memory/2724-3-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2724-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-4-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/2724-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download