smokeloader | 3b4cdf9053dc96377cf96d0714ff2eba294b68e0062da1448c6645540b312931

Resubmissions

20-09-2024 16:23

240920-tvz6zswdnl 10

20-09-2024 16:20

240920-ts9mmswaja 10

Analysis

max time kernel
40s
max time network
41s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 16:23

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General

Target

d7ccfd24cea840cd3adf9cbedf1063ff730c268c7676808f83193042e8059411.exe
Size

282KB
MD5

7e79e4aa288146f1925f1d8bbb75f6e9
SHA1

2a9a1441be4c21936360f9e27df03378ea6c851c
SHA256

d7ccfd24cea840cd3adf9cbedf1063ff730c268c7676808f83193042e8059411
SHA512

8af764822c7d679d7d371f8a63009bde2a44016bc0f0ee9ae650ae718b465c257d5135a18b5d67d3ecd277030406d40e97f0e99b041fd128e8b5bed48c46167f
SSDEEP

6144:4FeP9UATPGqCsyqVFTtqMyDAxi4L6B4KYYuKKFfno369oCF:BPSAUcntgYi4L6B4BwYvo3+oC

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1324	1592	WerFault.exe	80

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	d7ccfd24cea840cd3adf9cbedf1063ff730c268c7676808f83193042e8059411.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	d7ccfd24cea840cd3adf9cbedf1063ff730c268c7676808f83193042e8059411.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d7ccfd24cea840cd3adf9cbedf1063ff730c268c7676808f83193042e8059411.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d7ccfd24cea840cd3adf9cbedf1063ff730c268c7676808f83193042e8059411.exe

C:\Users\Admin\AppData\Local\Temp\d7ccfd24cea840cd3adf9cbedf1063ff730c268c7676808f83193042e8059411.exe
"C:\Users\Admin\AppData\Local\Temp\d7ccfd24cea840cd3adf9cbedf1063ff730c268c7676808f83193042e8059411.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:1592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 460
  2⤵
  - Program crash
  PID:1324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1592 -ip 1592
1⤵
PID:2212

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/1592-2-0x00000000025E0000-0x00000000025EB000-memory.dmp

Filesize
44KB

Download
memory/1592-1-0x0000000002710000-0x0000000002810000-memory.dmp

Filesize
1024KB

Download
memory/1592-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1592-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1592-5-0x00000000025E0000-0x00000000025EB000-memory.dmp

Filesize
44KB

Download
memory/1592-4-0x0000000000400000-0x0000000002460000-memory.dmp

Filesize
32.4MB

Download