smokeloader | c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402

Analysis

max time kernel
93s
max time network
143s
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 14:02

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General

Target

c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe
Size

259KB
MD5

d2d996b61133c7e60fc0cdb4d2a28a53
SHA1

18815d165eacf2df4965c2d0bf6b3507c235d939
SHA256

c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402
SHA512

c0d2246c4ea9fc58f8cf60fa14300f20b6b7d826e453ea6cc4bc8151a613e24299891b67ae217883b9588b567c70e137def5ca4d83edb48af4c003a6c6244576
SSDEEP

3072:MXOaHSrL8BARBbpWGimj5D5oJAAnQTSnAwre+JB43iqLHrRe9QM/h3i:IRHoL8gbppiwuJrAOekB4jLHeQ

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 1516 set thread context of 2908	1516	c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe	85

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	c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.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	c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 2908	1516	c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe	85
PID 1516 wrote to memory of 2908	1516	c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe	85
PID 1516 wrote to memory of 2908	1516	c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe	85
PID 1516 wrote to memory of 2908	1516	c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe	85
PID 1516 wrote to memory of 2908	1516	c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe	85
PID 1516 wrote to memory of 2908	1516	c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe	85

C:\Users\Admin\AppData\Local\Temp\c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe
"C:\Users\Admin\AppData\Local\Temp\c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Local\Temp\c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe
  "C:\Users\Admin\AppData\Local\Temp\c33d823905fe39f5b2675ea8afc2ea7711df5e59b6a38a2ebcb47cc02717c402.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2908

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/1516-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

Filesize
1024KB

Download
memory/1516-2-0x0000000002D90000-0x0000000002D99000-memory.dmp

Filesize
36KB

Download
memory/2908-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2908-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2908-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download