smokeloader | de74bd2a1d74bfb4f73d97a1e652c2a5bd778ae108df31ede4dd96950485118c

Analysis

max time kernel
124s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 17:22

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General

Target

de74bd2a1d74bfb4f73d97a1e652c2a5bd778ae108df31ede4dd96950485118c.exe
Size

227KB
MD5

a7d7d48f4a9bb7718ec17d11fba9cad8
SHA1

748fec11d5becea085af46e8197f42ac9a1e011b
SHA256

de74bd2a1d74bfb4f73d97a1e652c2a5bd778ae108df31ede4dd96950485118c
SHA512

98dda258e460098e79b9aaee795dbd0122f4541f9864fcf71d039ada426dff0fb8540725d779412eea52a6e66d45875665f11961fc7d7d3a2d2be061671e2e25
SSDEEP

3072:E8TNLO/NZxvu9aR10ocAbdyKA5RKuAYcug3JqO9Emf/n:E8TNLO/JiaRGGOAYc5Jq6EmHn

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3712	4496	WerFault.exe	88

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	de74bd2a1d74bfb4f73d97a1e652c2a5bd778ae108df31ede4dd96950485118c.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	de74bd2a1d74bfb4f73d97a1e652c2a5bd778ae108df31ede4dd96950485118c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	de74bd2a1d74bfb4f73d97a1e652c2a5bd778ae108df31ede4dd96950485118c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	de74bd2a1d74bfb4f73d97a1e652c2a5bd778ae108df31ede4dd96950485118c.exe

C:\Users\Admin\AppData\Local\Temp\de74bd2a1d74bfb4f73d97a1e652c2a5bd778ae108df31ede4dd96950485118c.exe
"C:\Users\Admin\AppData\Local\Temp\de74bd2a1d74bfb4f73d97a1e652c2a5bd778ae108df31ede4dd96950485118c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4496
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 352
  2⤵
  - Program crash
  PID:3712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4496 -ip 4496
1⤵
PID:1440

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=4668,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=4296 /prefetch:8
1⤵
PID:4992

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/4496-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/4496-2-0x00000000006C0000-0x00000000006CB000-memory.dmp

Filesize
44KB

Download
memory/4496-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4496-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4496-5-0x00000000006C0000-0x00000000006CB000-memory.dmp

Filesize
44KB

Download
memory/4496-4-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download