smokeloader | 582c0376a6ac0ff2f2c4b27bbedd6b0427413d2dba8bee60b7a15cf021eb74eb

Analysis

max time kernel
149s
max time network
153s
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 14:09

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General

Target

721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe
Size

260KB
MD5

2d549580277e88c7c63ff6675e1f2366
SHA1

0068f539d8651c8f3fa49c99f21f614ed03f169d
SHA256

721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff
SHA512

88ef7e791f1e049b86d79b5fe195c9dfe71ab5a37a869a56359d575dc01472e074e9ceec47aa0730b4efd1dff584f64af1ff6c8337b2f3048f639e5e99fa394a
SSDEEP

3072:0FMvBpGl8HLnr7Buz5SjS5aFo6zt/lFyAmhSMzlRTHNWM/h3:RvBE+HLr7ZjqaFo6zt2XzzTHNW

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 1232 set thread context of 632	1232	721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.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	721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.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	721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 632	1232	721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe	83
PID 1232 wrote to memory of 632	1232	721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe	83
PID 1232 wrote to memory of 632	1232	721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe	83
PID 1232 wrote to memory of 632	1232	721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe	83
PID 1232 wrote to memory of 632	1232	721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe	83
PID 1232 wrote to memory of 632	1232	721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe	83

C:\Users\Admin\AppData\Local\Temp\721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe
"C:\Users\Admin\AppData\Local\Temp\721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe
  "C:\Users\Admin\AppData\Local\Temp\721e94645d4d519ac21ec89727e4f323e0e2725f144a563636c5d14e91075aff.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:632

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/632-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/632-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/632-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1232-1-0x0000000002D10000-0x0000000002E10000-memory.dmp

Filesize
1024KB

Download
memory/1232-2-0x0000000003090000-0x0000000003099000-memory.dmp

Filesize
36KB

Download