smokeloader | 86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e

Resubmissions

25-04-2024 14:12

240425-rhw8fsbe65 10

25-04-2024 03:15

240425-dsawbaee6w 10

Analysis

max time kernel
300s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-04-2024 03:15

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General

Target

86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exe
Size

258KB
MD5

266b52ae0665636fe76ba86cc9207173
SHA1

a4fb9e83f5f6200d17f999768a85ec06690e3987
SHA256

86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e
SHA512

515909078bc3a68f93ed1cdb375fe9fec005503fe77d7296690e17ed134ed35d21a414269673f6814ad62fa2fbe6953239c9b839d4f48002da822c956a62dcdc
SSDEEP

3072:iR9Xnd8ur2QCGUIj+jeNBl/weuW/MxDhxir6LMTt7/IjYzv311jOjshFuvTR5:2d8HT8jd/we2DWr6LMTt7gMzv1BOj7z

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

http://nidoe.org/tmp/index.php

http://sodez.ru/tmp/index.php

http://uama.com.ua/tmp/index.php

http://talesofpirates.net/tmp/index.php

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Deletes itself 1 IoCs

Processes:

pid process

1212
Executes dropped EXE 1 IoCs

Processes:

fbtrhwu

pid process

1668 fbtrhwu

pid	process
1212

pid	process
1668	fbtrhwu

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

Processes:

86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exefbtrhwu

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fbtrhwu
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fbtrhwu
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fbtrhwu

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exe

pid	process
2028	86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exe
2028	86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exe
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exefbtrhwu

pid process

2028 86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exe
1668 fbtrhwu
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 1212

description	pid	process
Token: SeShutdownPrivilege	1212

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 572 wrote to memory of 1668	572	taskeng.exe	fbtrhwu
PID 572 wrote to memory of 1668	572	taskeng.exe	fbtrhwu
PID 572 wrote to memory of 1668	572	taskeng.exe	fbtrhwu
PID 572 wrote to memory of 1668	572	taskeng.exe	fbtrhwu

C:\Users\Admin\AppData\Local\Temp\86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exe
"C:\Users\Admin\AppData\Local\Temp\86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2028

C:\Windows\system32\taskeng.exe
taskeng.exe {2DE0CAA3-873E-4E5B-94E0-2B022EA1D50D} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:572

C:\Users\Admin\AppData\Roaming\fbtrhwu
C:\Users\Admin\AppData\Roaming\fbtrhwu
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1668

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

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Downloads

C:\Users\Admin\AppData\Roaming\fbtrhwu

Filesize
258KB

MD5
266b52ae0665636fe76ba86cc9207173

SHA1
a4fb9e83f5f6200d17f999768a85ec06690e3987

SHA256
86b5f6576b5dcce99cf26bef20db2e4587c747d55a2ae0190ad49ea426f4bf3e

SHA512
515909078bc3a68f93ed1cdb375fe9fec005503fe77d7296690e17ed134ed35d21a414269673f6814ad62fa2fbe6953239c9b839d4f48002da822c956a62dcdc

Download Submit
memory/1212-3-0x0000000002F00000-0x0000000002F16000-memory.dmp

Filesize
88KB

Download
memory/1212-14-0x0000000002DD0000-0x0000000002DE6000-memory.dmp

Filesize
88KB

Download
memory/1668-13-0x00000000040B0000-0x00000000041B0000-memory.dmp

Filesize
1024KB

Download
memory/1668-15-0x0000000000400000-0x0000000004034000-memory.dmp

Filesize
60.2MB

Download
memory/2028-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2028-2-0x00000000003A0000-0x00000000003AB000-memory.dmp

Filesize
44KB

Download
memory/2028-4-0x0000000000400000-0x0000000004034000-memory.dmp

Filesize
60.2MB

Download