smokeloader | 398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701

Analysis

max time kernel
142s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 20:55

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General

Target

398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe
Size

285KB
MD5

579490a130cb54ce7bc1db31e73286fb
SHA1

fc89cf89461fc7fb5a73060058588d71bf29fb34
SHA256

398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701
SHA512

7e2b97f3eddbc31f0786cf7411a4d2d90a7df2c7dece487b325e55e3f385effc4729fe23318a5ced8d123f82e0dc772b98b062b1629f8a71e480111068386886
SSDEEP

6144:4bwZSj6j6lNJ5tw3URj2A8GVDGbww5aOHZA7lSV61EOb7:MGSj6rGVDMkOHe7tN

Score

10^/10

smokeloader pub4 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
1536	398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2872	1536	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	398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.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	398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe

C:\Users\Admin\AppData\Local\Temp\398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe
"C:\Users\Admin\AppData\Local\Temp\398130cee11748aa4a8dbf484fa4c4456746267d0756146555085f90541b5701.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:1536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 384
  2⤵
  - Program crash
  PID:2872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1536 -ip 1536
1⤵
PID:3780

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=4336,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=1040 /prefetch:8
1⤵
PID:1704

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\CC4F.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/1536-2-0x0000000000990000-0x0000000000999000-memory.dmp

Filesize
36KB

Download
memory/1536-1-0x0000000000AD0000-0x0000000000BD0000-memory.dmp

Filesize
1024KB

Download
memory/1536-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1536-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1536-9-0x0000000000990000-0x0000000000999000-memory.dmp

Filesize
36KB

Download
memory/1536-8-0x0000000000400000-0x0000000000840000-memory.dmp

Filesize
4.2MB

Download