smokeloader | e467543c93b76a40908a0db29f7e328d27feb7230d886572d7c5c901b4365f8a

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 18:09

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General

Target

4aa1c943433808697e0159066fe300c755730bb2.exe
Size

229KB
MD5

fbb5e9ea063fbe070c03ebc6cade7399
SHA1

4aa1c943433808697e0159066fe300c755730bb2
SHA256

e467543c93b76a40908a0db29f7e328d27feb7230d886572d7c5c901b4365f8a
SHA512

3e82ff438d2cdaf69bb4dbc88550af264f621097ee1e2a5ea7181e5dca1c9a39b5316a26a0b07475337fa40ff606f1075a5355fde8c0eb8b36935c8f7ca8e02c
SSDEEP

1536:WClsOAwqdOIUyqbIEbFTjHATnkfoekkYtDA4MES/lD0Cw9uBFhX0UWqyykYZzTaR:Nt+lSxTbXoLt7XSdDa9eLX0Uvpq

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
4472	4584	WerFault.exe	82

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

Processes:

4aa1c943433808697e0159066fe300c755730bb2.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4aa1c943433808697e0159066fe300c755730bb2.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

Processes:

4aa1c943433808697e0159066fe300c755730bb2.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4aa1c943433808697e0159066fe300c755730bb2.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4aa1c943433808697e0159066fe300c755730bb2.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4aa1c943433808697e0159066fe300c755730bb2.exe

C:\Users\Admin\AppData\Local\Temp\4aa1c943433808697e0159066fe300c755730bb2.exe
"C:\Users\Admin\AppData\Local\Temp\4aa1c943433808697e0159066fe300c755730bb2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4584
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4584 -s 352
  2⤵
  - Program crash
  PID:4472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4584 -ip 4584
1⤵
PID:1144

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/4584-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/4584-2-0x0000000000510000-0x0000000000519000-memory.dmp

Filesize
36KB

Download
memory/4584-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4584-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4584-5-0x0000000000510000-0x0000000000519000-memory.dmp

Filesize
36KB

Download
memory/4584-4-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download