smokeloader | 3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6

Analysis

max time kernel
134s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2024, 21:02

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General

Target

3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe
Size

286KB
MD5

9a4fcbea16ee5cb0722322dcb4f172d7
SHA1

212250977391546633f240ed16fc4ce359a7e923
SHA256

3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6
SHA512

a458ead4cb7b439e075c02926bbb8be1990dc43f62b3bd827f4abd8d8b7d59f2b9490c6d52e9f7d14523345d324941873d72a7264efa3962e2c5c3c4d1ec5fb6
SSDEEP

6144:YvVr0aSlClNJ5tw3URjwYske/6b5w5aCncjRFgxJIG7L:Yx0aSLke/1kCnWRO

Score

10^/10

smokeloader pub6 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub6

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
1844	3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3104	1844	WerFault.exe	83

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	3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.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	3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe

C:\Users\Admin\AppData\Local\Temp\3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe
"C:\Users\Admin\AppData\Local\Temp\3bd080eb4136dd71535247133bc313fa62b800758a141a985b23eebb7767c9d6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:1844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 376
  2⤵
  - Program crash
  PID:3104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1844 -ip 1844
1⤵
PID:2376

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

C:\Users\Admin\AppData\Local\Temp\CC4F.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/1844-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1844-2-0x0000000002580000-0x0000000002589000-memory.dmp

Filesize
36KB

Download
memory/1844-1-0x0000000000A30000-0x0000000000B30000-memory.dmp

Filesize
1024KB

Download
memory/1844-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1844-9-0x0000000002580000-0x0000000002589000-memory.dmp

Filesize
36KB

Download
memory/1844-8-0x0000000000400000-0x0000000000840000-memory.dmp

Filesize
4.2MB

Download