smokeloader | cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9

Analysis

max time kernel
93s
max time network
148s
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 01:16

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General

Target

cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe
Size

238KB
MD5

cfed7cc9afef305fbd5ed5f23df235d1
SHA1

73107d068540fbe1b49d06fefb776bd692127cb1
SHA256

cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9
SHA512

f591a297fc799b12d84e09da2f15bebac984865dfe5d2cbe628c36d2f672851e3bfa44475236d09d73dfdb7524a1f4fb18743f8c29aafc8e4edb515185264e5c
SSDEEP

6144:OcTqMUIA+NUBaw2skvshRnOTpeLjOdvotC1K7p7MsMI3f7:zqMhA+NUBa3EzOleLadvOeWpPMI3f7

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

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 2380 set thread context of 4252	2380	cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe	86

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	cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.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	cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 4252	2380	cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe	86
PID 2380 wrote to memory of 4252	2380	cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe	86
PID 2380 wrote to memory of 4252	2380	cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe	86
PID 2380 wrote to memory of 4252	2380	cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe	86
PID 2380 wrote to memory of 4252	2380	cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe	86
PID 2380 wrote to memory of 4252	2380	cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe	86

C:\Users\Admin\AppData\Local\Temp\cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe
"C:\Users\Admin\AppData\Local\Temp\cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe
  "C:\Users\Admin\AppData\Local\Temp\cbc431319733f61974e064ee1030abb3f4735c93271385e6a7c498ae37df39d9.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4252

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/2380-1-0x0000000002D80000-0x0000000002E80000-memory.dmp

Filesize
1024KB

Download
memory/2380-2-0x00000000001C0000-0x00000000001CA000-memory.dmp

Filesize
40KB

Download
memory/4252-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4252-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4252-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download