smokeloader | 8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031

Analysis

max time kernel
125s
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
21/09/2024, 21:32

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General

Target

66ef3064a18c2_setup3.exe
Size

446KB
MD5

bf87a376305099cac2ea13ff482ba319
SHA1

8215ee2aed65897764ce557e4472092c6fb76636
SHA256

8a04951a8c70c63987bd25e462a98e589e36a2c8f5ce2816f9e5a0906687f031
SHA512

59bf9b99b3cb6e30749cdb66e93c42481a61b6a6ea7e21ac6a52e6701aabb55faf169dcc87c21eed1dafcaa72c09df38f64d2a1c7545207fd49409cde02bd8ff
SSDEEP

6144:coZe1DyEeam8WeaxWQnNpfpFkBSGKh9PXKyo9lDGLDlq5FXCnFk:cowByEeam8KxWUv0Srh9qQLRMSC

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
2548	4192	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	66ef3064a18c2_setup3.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	66ef3064a18c2_setup3.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	66ef3064a18c2_setup3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	66ef3064a18c2_setup3.exe

C:\Users\Admin\AppData\Local\Temp\66ef3064a18c2_setup3.exe
"C:\Users\Admin\AppData\Local\Temp\66ef3064a18c2_setup3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4192
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 360
  2⤵
  - Program crash
  PID:2548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4192 -ip 4192
1⤵
PID:2336

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=1904,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4340 /prefetch:8
1⤵
PID:3104

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

Replay Monitor

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Downloads

memory/4192-1-0x0000000002650000-0x0000000002750000-memory.dmp

Filesize
1024KB

Download
memory/4192-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4192-3-0x0000000000400000-0x0000000002488000-memory.dmp

Filesize
32.5MB

Download
memory/4192-4-0x0000000000400000-0x0000000002488000-memory.dmp

Filesize
32.5MB

Download
memory/4192-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download