smokeloader | 929efeca4b70f01cc3e6966f26507402e59cc0f6f4417a226f4db4ca24212ea9

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
15-12-2024 13:43

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General

Target

ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe
Size

334KB
MD5

a18b06e3d24618bd73c2b1364d5c1796
SHA1

ade47e42541cfb9509c2d8d2e33fe1d78a4a1307
SHA256

ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577
SHA512

a6f5e4d2ce5fd5fddfc7ef200450dbe28a8e726100d1c4e452f5897f4a9b733a66be52e10d511d1299d803632dea07fe3704d54110cef8619af68e002301e2d8
SSDEEP

6144:abUQTzhSfPLclek8k8jPJBpCLhsSh+3oQ9gOU+fzYBb6:xQBSLclJsjCLi9gT6

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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 3768 set thread context of 4036	3768	ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.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	ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3768 wrote to memory of 4036	3768	ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe	82
PID 3768 wrote to memory of 4036	3768	ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe	82
PID 3768 wrote to memory of 4036	3768	ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe	82
PID 3768 wrote to memory of 4036	3768	ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe	82
PID 3768 wrote to memory of 4036	3768	ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe	82
PID 3768 wrote to memory of 4036	3768	ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe	82

C:\Users\Admin\AppData\Local\Temp\ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe
"C:\Users\Admin\AppData\Local\Temp\ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3768
- C:\Users\Admin\AppData\Local\Temp\ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe
  "C:\Users\Admin\AppData\Local\Temp\ff6ffcc63dc12d405e86864987dc6472c5fc0c06270536066424a776e6ca6577.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4036

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/3768-1-0x0000000000940000-0x0000000000A40000-memory.dmp

Filesize
1024KB

Download
memory/3768-2-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/4036-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4036-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4036-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download