smokeloader | c62d2fd76a5742a08db7157ad38b2f0209a11e8e9cc698902dbf366913fae535

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
01-10-2024 15:09

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General

Target

svc.exe
Size

214KB
MD5

4e30f8fa403546790a16a9b0e0c72f02
SHA1

a22f898920194c5e191abfd535fa79ee387fbd8b
SHA256

c62d2fd76a5742a08db7157ad38b2f0209a11e8e9cc698902dbf366913fae535
SHA512

a185e55c43d91395460bed714de3832aabce18227148c6b23a1e35388d6172c19c7aa7769999d04bf81d38be62bafb46dac2e641c8afc4679ef051ae94cdc015
SSDEEP

3072:SaLB7RwDvY4WMouj3QF7b5qlY8ZeyrgoidA33nMs3j42:SaLlRwDvHNxTZeypbXXT

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3488	4912	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	svc.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	svc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	svc.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	svc.exe

C:\Users\Admin\AppData\Local\Temp\svc.exe
"C:\Users\Admin\AppData\Local\Temp\svc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 352
  2⤵
  - Program crash
  PID:3488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4912 -ip 4912
1⤵
PID:4864

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=4440,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4056 /prefetch:8
1⤵
PID:3344

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/4912-1-0x0000000000810000-0x0000000000910000-memory.dmp

Filesize
1024KB

Download
memory/4912-2-0x00000000006C0000-0x00000000006CB000-memory.dmp

Filesize
44KB

Download
memory/4912-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4912-5-0x00000000006C0000-0x00000000006CB000-memory.dmp

Filesize
44KB

Download
memory/4912-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4912-4-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download