smokeloader | c274ef57f23421357908adc54e8fa08fcae3757a74b572345719f6e4c9bf8270

Analysis

max time kernel
94s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 15:54

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General

Target

79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe
Size

179KB
MD5

d039016102cca238b8c2afcf7cb1f250
SHA1

4deee6a671c6d769c43a1a2230165e9ae754622d
SHA256

79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c
SHA512

31a648447264dd9b19c8f8703b860b839f262b3ddbedae7e4c9c7ca1e7793f6c21811c55a0cc232679f56d9db865be5eba8f0a27f035085825e56236ac366732
SSDEEP

3072:V6KmRLZojmARNwK5ircPI1Zeifub78EuSzsz:VRUgROdcPI1TW9uSz+

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 4828 set thread context of 3004	4828	79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.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	79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.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	79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 3004	4828	79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe	86
PID 4828 wrote to memory of 3004	4828	79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe	86
PID 4828 wrote to memory of 3004	4828	79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe	86
PID 4828 wrote to memory of 3004	4828	79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe	86
PID 4828 wrote to memory of 3004	4828	79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe	86
PID 4828 wrote to memory of 3004	4828	79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe	86

C:\Users\Admin\AppData\Local\Temp\79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe
"C:\Users\Admin\AppData\Local\Temp\79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Users\Admin\AppData\Local\Temp\79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe
  "C:\Users\Admin\AppData\Local\Temp\79dc17855e41c95a144280cff99422932721209dd97cd28dcd985746e339397c.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3004

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/3004-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3004-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3004-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4828-1-0x0000000000720000-0x0000000000820000-memory.dmp

Filesize
1024KB

Download
memory/4828-2-0x00000000006E0000-0x00000000006E9000-memory.dmp

Filesize
36KB

Download