smokeloader | 78ffb8426b47cac183d50f6ae9ac80525d4f316ccf46bcd9d181d1459138a471

Analysis

max time kernel
237s
max time network
297s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
29/05/2024, 01:42

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General

Target
00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
Size 242KB
Sample240529-b4sjdsdc8v
SHA256 00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5
MD5 6dfe59a2d3549e3a6f300adbced09e1f
SHA1 273d5108cf4ed196e766d910c24f2305feaf7d2b
SHA512 55e52cb24702a31a56b963b9c8566c14dbd4b0f80cb63606f54d84dd80edf458631e9af2ad15d17a4e4c931fc6fb104b844f8271fb4eb0bda3ebc73e2fa37aaf
SSDEEP 3072:Ig1HtQbUh5cAV1J3n4Lou+shC7bA4fV+5ugUI:51HcUXfnu2PdfVl1
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

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

Program crash 3 IoCs

pid	pid_target	Process	procid_target
5040	1468	WerFault.exe	72
196	2084	WerFault.exe	84
3028	2408	WerFault.exe	90

Checks SCSI registry key(s) 3 TTPs 9 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	00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeBackupPrivilege	4724	svchost.exe
Token: SeRestorePrivilege	4724	svchost.exe
Token: SeSecurityPrivilege	4724	svchost.exe
Token: SeTakeOwnershipPrivilege	4724	svchost.exe
Token: 35	4724	svchost.exe

C:\Users\Admin\AppData\Local\Temp\00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
"C:\Users\Admin\AppData\Local\Temp\00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe"
1⤵
- Checks SCSI registry key(s)
PID:1468
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 492
  2⤵
  - Program crash
  PID:5040

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4672

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localservice -s fdPHost
1⤵
PID:3256

C:\Users\Admin\AppData\Local\Temp\00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
"C:\Users\Admin\AppData\Local\Temp\00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe"
1⤵
- Checks SCSI registry key(s)
PID:2084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 460
  2⤵
  - Program crash
  PID:196

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k SDRSVC
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4724

C:\Users\Admin\AppData\Local\Temp\00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe
"C:\Users\Admin\AppData\Local\Temp\00043dfa22ecfa878b76ad185f091123430dbbc1610140b28ff9036e4a7b53b5.exe"
1⤵
- Checks SCSI registry key(s)
PID:2408
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 460
  2⤵
  - Program crash
  PID:3028

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1468-1-0x0000000002030000-0x0000000002130000-memory.dmp

Download

memory/1468-3-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/1468-2-0x0000000001FB0000-0x0000000001FBB000-memory.dmp

Download

memory/1468-4-0x0000000000400000-0x0000000001F88000-memory.dmp

Download

memory/2084-6-0x0000000000400000-0x0000000001F88000-memory.dmp

Download

memory/2408-8-0x0000000000400000-0x0000000001F88000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads