smokeloader | cf1b38106e42989ddffb99e0163787135e7b294c5d5e88e3b47ca1b7cd0d6681

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 08:10

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General

Target

0x000300000001ac99-126.exe
Size

300KB
MD5

ca58d4cf4a5e0725f844c8eae3f8ae67
SHA1

fbce92619ce23f4594846f2f789e513dab9f3239
SHA256

0e3774d65577253a820f1ee272d7a0c96e4c6a869ef8f749fe7f83d2fc49f054
SHA512

32bdfc2e72fff79c075d5f9ead8268f1e9e0648635fd977f6d8db62358c48d5451b64e639b1853bd87220a1157e74754e1109b3f1797f98ef02d5151fb09f4a9
SSDEEP

3072:qCQZiIdWYqLrMS5l0uAScmbcucv4Y8ngIw1MluGCMjjjjjjjjo:CRxqLrMa0EcmrchcTgGCM

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
3420	0x000300000001ac99-126.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1560	3420	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	0x000300000001ac99-126.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	0x000300000001ac99-126.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0x000300000001ac99-126.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0x000300000001ac99-126.exe

C:\Users\Admin\AppData\Local\Temp\0x000300000001ac99-126.exe
"C:\Users\Admin\AppData\Local\Temp\0x000300000001ac99-126.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3420 -s 376
  2⤵
  - Program crash
  PID:1560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3420 -ip 3420
1⤵
PID:4436

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/3420-0-0x0000000004870000-0x0000000004879000-memory.dmp

Filesize
36KB

Download
memory/3420-1-0x0000000004880000-0x000000000488A000-memory.dmp

Filesize
40KB

Download
memory/3420-2-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3420-10-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3420-9-0x0000000004880000-0x000000000488A000-memory.dmp

Filesize
40KB

Download
memory/3420-8-0x0000000004870000-0x0000000004879000-memory.dmp

Filesize
36KB

Download
memory/3420-7-0x0000000000400000-0x00000000046CB000-memory.dmp

Filesize
66.8MB

Download