smokeloader | 266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574

Analysis

max time kernel
94s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 06:15

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General

Target

266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe
Size

184KB
MD5

1e4b815c6910981bd4dee5054fc13ce2
SHA1

99ad0e4ab87f0f265e3ab3aa0d77b4fa4f981e79
SHA256

266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574
SHA512

1d5dbab47b73d4ea03ff1078e6986841d70b3d1d152df3f79b7ceb12d859096cf980455b8ebad391812314edb9f98b0fb76676f1c6822c17fd7a0eaa0dc306a0
SSDEEP

3072:a/ZMRZMaR4azP5H5fHRcBX0zc3nbhe00BYZL7vsa5L908+/j0KD:6M1R4GtxcB8c3bheBBYZff08Cjt

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 4424 set thread context of 2088	4424	266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.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	266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 2088	4424	266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe	83
PID 4424 wrote to memory of 2088	4424	266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe	83
PID 4424 wrote to memory of 2088	4424	266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe	83
PID 4424 wrote to memory of 2088	4424	266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe	83
PID 4424 wrote to memory of 2088	4424	266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe	83
PID 4424 wrote to memory of 2088	4424	266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe	83

C:\Users\Admin\AppData\Local\Temp\266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe
"C:\Users\Admin\AppData\Local\Temp\266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4424
- C:\Users\Admin\AppData\Local\Temp\266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe
  "C:\Users\Admin\AppData\Local\Temp\266d278b61d540e62a8bcac35acdafb13c95eb0e12bcdfcca10c9d18b3721574.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2088

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/2088-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2088-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2088-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4424-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/4424-2-0x00000000004F0000-0x00000000004F9000-memory.dmp

Filesize
36KB

Download