smokeloader | af4d41497523138d69521783d52d5e50ec61656844df50f8062821c3952585a2

Analysis

max time kernel
111s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 19:39

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General

Target

c48710f4585b91cbedc22878e10e3ee0N.exe
Size

473KB
MD5

c48710f4585b91cbedc22878e10e3ee0
SHA1

696e722873d5bade5b06edb9eba19725e86707b4
SHA256

af4d41497523138d69521783d52d5e50ec61656844df50f8062821c3952585a2
SHA512

3bd595183e417c6fbdc573b0d9c5ff2fcf4b002d4af234bbbec40541ea5d5adb7d41738515bd0d1925362ba200fc09889516990383561dd51e822c266aefa084
SSDEEP

12288:pewru9jNH7+HII6B/l03ktxo6XRCfRV/pT6HpGGUMQRLwH+ejIct54zvScqZpf9B:pewru9jr

Score

10^/10

smokeloader xpad backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

XPAD

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Loads dropped DLL 1 IoCs

pid	Process
4984	c48710f4585b91cbedc22878e10e3ee0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4372 set thread context of 4984	4372	c48710f4585b91cbedc22878e10e3ee0N.exe	90

System Location Discovery: System Language Discovery 1 TTPs 2 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	c48710f4585b91cbedc22878e10e3ee0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c48710f4585b91cbedc22878e10e3ee0N.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	c48710f4585b91cbedc22878e10e3ee0N.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c48710f4585b91cbedc22878e10e3ee0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c48710f4585b91cbedc22878e10e3ee0N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4372	c48710f4585b91cbedc22878e10e3ee0N.exe
4372	c48710f4585b91cbedc22878e10e3ee0N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4372	c48710f4585b91cbedc22878e10e3ee0N.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4372 wrote to memory of 4460	4372	c48710f4585b91cbedc22878e10e3ee0N.exe	89
PID 4372 wrote to memory of 4460	4372	c48710f4585b91cbedc22878e10e3ee0N.exe	89
PID 4372 wrote to memory of 4460	4372	c48710f4585b91cbedc22878e10e3ee0N.exe	89
PID 4372 wrote to memory of 4984	4372	c48710f4585b91cbedc22878e10e3ee0N.exe	90
PID 4372 wrote to memory of 4984	4372	c48710f4585b91cbedc22878e10e3ee0N.exe	90
PID 4372 wrote to memory of 4984	4372	c48710f4585b91cbedc22878e10e3ee0N.exe	90
PID 4372 wrote to memory of 4984	4372	c48710f4585b91cbedc22878e10e3ee0N.exe	90
PID 4372 wrote to memory of 4984	4372	c48710f4585b91cbedc22878e10e3ee0N.exe	90
PID 4372 wrote to memory of 4984	4372	c48710f4585b91cbedc22878e10e3ee0N.exe	90
PID 4372 wrote to memory of 4984	4372	c48710f4585b91cbedc22878e10e3ee0N.exe	90

C:\Users\Admin\AppData\Local\Temp\c48710f4585b91cbedc22878e10e3ee0N.exe
"C:\Users\Admin\AppData\Local\Temp\c48710f4585b91cbedc22878e10e3ee0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4372
- C:\Users\Admin\AppData\Local\Temp\c48710f4585b91cbedc22878e10e3ee0N.exe
  "C:\Users\Admin\AppData\Local\Temp\c48710f4585b91cbedc22878e10e3ee0N.exe"
  2⤵
  PID:4460
- C:\Users\Admin\AppData\Local\Temp\c48710f4585b91cbedc22878e10e3ee0N.exe
  "C:\Users\Admin\AppData\Local\Temp\c48710f4585b91cbedc22878e10e3ee0N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks SCSI registry key(s)
  PID:4984

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

C:\Users\Admin\AppData\Local\Temp\204.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/4372-0-0x0000000074BAE000-0x0000000074BAF000-memory.dmp

Filesize
4KB

Download
memory/4372-1-0x0000000000E30000-0x0000000000EAC000-memory.dmp

Filesize
496KB

Download
memory/4372-2-0x0000000005840000-0x00000000058DC000-memory.dmp

Filesize
624KB

Download
memory/4372-3-0x00000000057F0000-0x0000000005806000-memory.dmp

Filesize
88KB

Download
memory/4372-4-0x0000000074BA0000-0x0000000075350000-memory.dmp

Filesize
7.7MB

Download
memory/4372-5-0x0000000006100000-0x00000000066A4000-memory.dmp

Filesize
5.6MB

Download
memory/4372-13-0x0000000074BA0000-0x0000000075350000-memory.dmp

Filesize
7.7MB

Download
memory/4984-6-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4984-7-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4984-11-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download