smokeloader | 31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b

General

Target

31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b.exe
Size

191KB
MD5

ced33bff8b607ed0d84d34ca8b52bb84
SHA1

82a9b5c1d83706e9b55b942bfba4c15847166d1d
SHA256

31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b
SHA512

0f9545466f281108bb24827d88898daa6cd78bdf95625c1f652428af013106dfb9377934cf6c4008a911d441da25c153ec1fe432c5b0bf0de20d845e638001fe
SSDEEP

3072:rQ0awDqTd/IrZTilB2XsPDu4qi0vIvNDzek3Oe5mgyot46a:r8QqTd/IrZoSs7ufbEN/ekt1L

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

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

1280
Executes dropped EXE 1 IoCs

Processes:

ctrajbh

pid process

2944 ctrajbh

pid	process
1280

pid	process
2944	ctrajbh

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:

ctrajbh31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ctrajbh
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ctrajbh
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ctrajbh
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b.exe

pid	process
1632	31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b.exe
1632	31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b.exe
1280
1280
1280
1280
1280
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1280
1280
1280
1280
1280
1280
1280
1280
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1280
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1280
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1280
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1280
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1280
1280
1280
1280
1280
1280
1280
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1280
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1280
1280
1280

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b.exectrajbh

pid process

1632 31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b.exe
2944 ctrajbh

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 1124 wrote to memory of 2944	1124	taskeng.exe	ctrajbh
PID 1124 wrote to memory of 2944	1124	taskeng.exe	ctrajbh
PID 1124 wrote to memory of 2944	1124	taskeng.exe	ctrajbh
PID 1124 wrote to memory of 2944	1124	taskeng.exe	ctrajbh

C:\Users\Admin\AppData\Local\Temp\31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b.exe
"C:\Users\Admin\AppData\Local\Temp\31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1632

C:\Windows\system32\taskeng.exe
taskeng.exe {99466E16-C4EB-4641-8AEC-FD61DC47AC0A} S-1-5-21-3787592910-3720486031-2929222812-1000:HSNHLVYA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1124

C:\Users\Admin\AppData\Roaming\ctrajbh
C:\Users\Admin\AppData\Roaming\ctrajbh
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\ctrajbh
Filesize
191KB

MD5
ced33bff8b607ed0d84d34ca8b52bb84

SHA1
82a9b5c1d83706e9b55b942bfba4c15847166d1d

SHA256
31f26167853ae96bcb9a74cfbf5458d5e0ee8d2ff6fb245295ff2d71cc0cb30b

SHA512
0f9545466f281108bb24827d88898daa6cd78bdf95625c1f652428af013106dfb9377934cf6c4008a911d441da25c153ec1fe432c5b0bf0de20d845e638001fe

Download Submit
memory/1280-4-0x0000000002220000-0x0000000002236000-memory.dmp

Filesize
88KB

Download
memory/1280-16-0x0000000002B60000-0x0000000002B76000-memory.dmp

Filesize
88KB

Download
memory/1632-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/1632-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

Filesize
44KB

Download
memory/1632-3-0x0000000000400000-0x0000000002B59000-memory.dmp

Filesize
39.3MB

Download
memory/1632-5-0x0000000000400000-0x0000000002B59000-memory.dmp

Filesize
39.3MB

Download
memory/2944-14-0x0000000002C00000-0x0000000002D00000-memory.dmp

Filesize
1024KB

Download
memory/2944-15-0x0000000000400000-0x0000000002B59000-memory.dmp

Filesize
39.3MB

Download
memory/2944-19-0x0000000000400000-0x0000000002B59000-memory.dmp

Filesize
39.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads