smokeloader | 9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa

Analysis

max time kernel
150s
max time network
74s
platform
windows10-1703_x64
resource
win10-20231020-en
resource tags

arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
submitted
23/11/2023, 18:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe
Size

243KB
MD5

821f30d3a5a5b9f7ef42d39c787a4f9b
SHA1

f0b0271b425d8f36ef87e4f3c804f7c14dd9c7a3
SHA256

9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa
SHA512

eae6283f742649d62cc494fcd59d74c7b7816bec4dac59028a64dfcd5aaefae7a957ae09727d26fa857dd5e887e1d16235661ee8c6a9d2f42b83770f417f5da9
SSDEEP

3072:ketkwgL/sgx35mw9ang0NJGTfb/XRNaBrSAMmMgDAQUpBwTy:GJT73MPng0NJGTfb/XD8MgDKBw

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32

Signatures

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

Deletes itself 1 IoCs

pid	Process
3276	Process not Found

Executes dropped EXE 2 IoCs

pid	Process
5072	ifsvvbj
3596	ifsvvbj

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 304 set thread context of 3912	304	9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe	70
PID 5072 set thread context of 3596	5072	ifsvvbj	72

Checks SCSI registry key(s) 3 TTPs 6 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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ifsvvbj
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ifsvvbj
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ifsvvbj
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3912	9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe
3912	9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found
3276	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3276	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3912	9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe
3596	ifsvvbj

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3276	Process not Found
Token: SeCreatePagefilePrivilege	3276	Process not Found

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 304 wrote to memory of 3912	304	9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe	70
PID 304 wrote to memory of 3912	304	9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe	70
PID 304 wrote to memory of 3912	304	9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe	70
PID 304 wrote to memory of 3912	304	9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe	70
PID 304 wrote to memory of 3912	304	9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe	70
PID 304 wrote to memory of 3912	304	9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe	70
PID 5072 wrote to memory of 3596	5072	ifsvvbj	72
PID 5072 wrote to memory of 3596	5072	ifsvvbj	72
PID 5072 wrote to memory of 3596	5072	ifsvvbj	72
PID 5072 wrote to memory of 3596	5072	ifsvvbj	72
PID 5072 wrote to memory of 3596	5072	ifsvvbj	72
PID 5072 wrote to memory of 3596	5072	ifsvvbj	72

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe
"C:\Users\Admin\AppData\Local\Temp\9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:304
- C:\Users\Admin\AppData\Local\Temp\9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe
  "C:\Users\Admin\AppData\Local\Temp\9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:3912

C:\Users\Admin\AppData\Roaming\ifsvvbj
C:\Users\Admin\AppData\Roaming\ifsvvbj
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Users\Admin\AppData\Roaming\ifsvvbj
  C:\Users\Admin\AppData\Roaming\ifsvvbj
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: MapViewOfSection
  PID:3596

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\ifsvvbj

Filesize
243KB

MD5
821f30d3a5a5b9f7ef42d39c787a4f9b

SHA1
f0b0271b425d8f36ef87e4f3c804f7c14dd9c7a3

SHA256
9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa

SHA512
eae6283f742649d62cc494fcd59d74c7b7816bec4dac59028a64dfcd5aaefae7a957ae09727d26fa857dd5e887e1d16235661ee8c6a9d2f42b83770f417f5da9

Download Submit
C:\Users\Admin\AppData\Roaming\ifsvvbj

Filesize
243KB

MD5
821f30d3a5a5b9f7ef42d39c787a4f9b

SHA1
f0b0271b425d8f36ef87e4f3c804f7c14dd9c7a3

SHA256
9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa

SHA512
eae6283f742649d62cc494fcd59d74c7b7816bec4dac59028a64dfcd5aaefae7a957ae09727d26fa857dd5e887e1d16235661ee8c6a9d2f42b83770f417f5da9

Download Submit
C:\Users\Admin\AppData\Roaming\ifsvvbj

Filesize
243KB

MD5
821f30d3a5a5b9f7ef42d39c787a4f9b

SHA1
f0b0271b425d8f36ef87e4f3c804f7c14dd9c7a3

SHA256
9c05dce1664efdebd968e2d431083cae75317cd52675bf4f615e264c3fa8ffaa

SHA512
eae6283f742649d62cc494fcd59d74c7b7816bec4dac59028a64dfcd5aaefae7a957ae09727d26fa857dd5e887e1d16235661ee8c6a9d2f42b83770f417f5da9

Download Submit
memory/304-3-0x0000000000910000-0x0000000000919000-memory.dmp

Filesize
36KB

Download
memory/304-2-0x0000000000970000-0x0000000000A70000-memory.dmp

Filesize
1024KB

Download
memory/3276-6-0x0000000000740000-0x0000000000756000-memory.dmp

Filesize
88KB

Download
memory/3276-21-0x0000000000800000-0x0000000000816000-memory.dmp

Filesize
88KB

Download
memory/3596-20-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3596-22-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3912-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3912-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3912-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3912-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5072-19-0x0000000000A10000-0x0000000000B10000-memory.dmp

Filesize
1024KB

Download