smokeloader | f488b4eb65d5f5339401fc0869e614433719e64a5156945b530f98c7d39452e1

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
02-10-2024 14:30

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General

Target

svc.exe
Size

217KB
MD5

31059e7394b880f017e83804d9b716ab
SHA1

2c0057c276d7d2020d1e5a60ca6d44e2fb91674e
SHA256

f488b4eb65d5f5339401fc0869e614433719e64a5156945b530f98c7d39452e1
SHA512

a31e40888fc80ce8e138833155a63eddc7ea9d4a37bceb95a46e2ce937e42dfc74df34fc9869f95940ee0f73d00f3a72839f220f09499b4f28aa1b91e5b706f9
SSDEEP

3072:cCLQUfn8SJGo/zUYkkf0ivpXYXgNTe58xVSlh+jMAEqLJwp:cCL3fnNMEzUpkbvpIMjMAcp

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
3904	1612	WerFault.exe	86

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:1612
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 352
  2⤵
  - Program crash
  PID:3904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1612 -ip 1612
1⤵
PID:1432

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=4288,i,12470628711992022444,7767535593390851522,262144 --variations-seed-version --mojo-platform-channel-handle=3872 /prefetch:8
1⤵
PID:668

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/1612-1-0x0000000000840000-0x0000000000940000-memory.dmp

Filesize
1024KB

Download
memory/1612-2-0x0000000000680000-0x000000000068B000-memory.dmp

Filesize
44KB

Download
memory/1612-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1612-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1612-5-0x0000000000680000-0x000000000068B000-memory.dmp

Filesize
44KB

Download
memory/1612-4-0x0000000000400000-0x0000000000530000-memory.dmp

Filesize
1.2MB

Download