smokeloader | 1c3ddcfb474d39eb07194f82c5f81db9ac4afcaddbcb6374e7854d9f87e3c373

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 13:53

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General

Target

2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe
Size

334KB
MD5

3043c1b9768de1a6be6aa1b5e0b426ee
SHA1

d4092902cf45d1873977478ed07b1443e7f4ab0c
SHA256

2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7
SHA512

151439eec66be334031d6965b6a3850716df650f8e106c11ce0e6235baf545566bcce9abbcf9ccaf53cc4c1f3efb337928cb2f818ec39e97f8dba73b6ebe28ac
SSDEEP

6144:HvQK5BzKPhnGLzxdjTgEB92th+3oQ9gOU+fzYBb6:YK5kx0zTsm9F9gT6

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 400 set thread context of 3968	400	2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.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	2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 3968	400	2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe	83
PID 400 wrote to memory of 3968	400	2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe	83
PID 400 wrote to memory of 3968	400	2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe	83
PID 400 wrote to memory of 3968	400	2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe	83
PID 400 wrote to memory of 3968	400	2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe	83
PID 400 wrote to memory of 3968	400	2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe	83

C:\Users\Admin\AppData\Local\Temp\2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe
"C:\Users\Admin\AppData\Local\Temp\2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:400
- C:\Users\Admin\AppData\Local\Temp\2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe
  "C:\Users\Admin\AppData\Local\Temp\2bf4144652ca7d409b72a1d38fe605796323c5a77f9318ebcfbf0179d28a31e7.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3968

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

memory/400-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/400-1-0x0000000000880000-0x0000000000980000-memory.dmp

Filesize
1024KB

Download
memory/3968-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3968-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3968-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download