smokeloader | 5c0bfb5d5f155f64c1af3cc3cd610fa6e3495ae2c3a8660c96ac9a7fb73eb749

Analysis

max time kernel
150s
max time network
128s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 19:28

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General

Target

d3f6217f66716d1b253b60365db8aa4c.exe
Size

209KB
MD5

d3f6217f66716d1b253b60365db8aa4c
SHA1

d1e2bf928bce0f5a913b0de81a22272d1f051f5a
SHA256

5c0bfb5d5f155f64c1af3cc3cd610fa6e3495ae2c3a8660c96ac9a7fb73eb749
SHA512

5edaa19f69971e5201ba9f378fb19ba6e5fa481f9dded8eb9c1912db0a6ae87f8dcb75da49b428f1b48617423558a2d7ddc1dedfd8847fdc97189f6f9d25a98e
SSDEEP

3072:VsUFZW1zxw2PfoScast12esP9+mSjiN69BibwQ8dsN7BrV0ncwmKqx7I1YS:lFw1ljPfojast12FFv69BrQPdtKoAY

Score

10^/10

smokeloader sel2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

sel2

Extracted

Family

smokeloader

Version

2022

https://airwide-land.com/calcroom.php

https://summerwaterhall.com/calcroom.php

rc4.i32

Signatures

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

Processes:

pid process

1364
Executes dropped EXE 1 IoCs

Processes:

ijtjdue

pid process

2828 ijtjdue

pid	process
1364

pid	process
2828	ijtjdue

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:

d3f6217f66716d1b253b60365db8aa4c.exeijtjdue

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d3f6217f66716d1b253b60365db8aa4c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ijtjdue
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ijtjdue
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ijtjdue
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d3f6217f66716d1b253b60365db8aa4c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d3f6217f66716d1b253b60365db8aa4c.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

d3f6217f66716d1b253b60365db8aa4c.exe

pid	process
1720	d3f6217f66716d1b253b60365db8aa4c.exe
1720	d3f6217f66716d1b253b60365db8aa4c.exe
1364
1364
1364
1364
1364
1364
1364
1364
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1364
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1364
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1364
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1364
1364

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

d3f6217f66716d1b253b60365db8aa4c.exeijtjdue

pid process

1720 d3f6217f66716d1b253b60365db8aa4c.exe
2828 ijtjdue

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 2856 wrote to memory of 2828	2856	taskeng.exe	ijtjdue
PID 2856 wrote to memory of 2828	2856	taskeng.exe	ijtjdue
PID 2856 wrote to memory of 2828	2856	taskeng.exe	ijtjdue
PID 2856 wrote to memory of 2828	2856	taskeng.exe	ijtjdue

C:\Users\Admin\AppData\Local\Temp\d3f6217f66716d1b253b60365db8aa4c.exe
"C:\Users\Admin\AppData\Local\Temp\d3f6217f66716d1b253b60365db8aa4c.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1720

C:\Windows\system32\taskeng.exe
taskeng.exe {E0D5BDC5-0F68-4B9A-BB4D-449662478CBD} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2856

C:\Users\Admin\AppData\Roaming\ijtjdue
C:\Users\Admin\AppData\Roaming\ijtjdue
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2828

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\ijtjdue
Filesize
209KB

MD5
d3f6217f66716d1b253b60365db8aa4c

SHA1
d1e2bf928bce0f5a913b0de81a22272d1f051f5a

SHA256
5c0bfb5d5f155f64c1af3cc3cd610fa6e3495ae2c3a8660c96ac9a7fb73eb749

SHA512
5edaa19f69971e5201ba9f378fb19ba6e5fa481f9dded8eb9c1912db0a6ae87f8dcb75da49b428f1b48617423558a2d7ddc1dedfd8847fdc97189f6f9d25a98e

Download Submit
memory/1364-4-0x00000000025B0000-0x00000000025C6000-memory.dmp

Filesize
88KB

Download
memory/1364-16-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1720-1-0x0000000002E40000-0x0000000002F40000-memory.dmp

Filesize
1024KB

Download
memory/1720-2-0x0000000000220000-0x000000000022B000-memory.dmp

Filesize
44KB

Download
memory/1720-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1720-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1720-5-0x0000000000400000-0x0000000002C93000-memory.dmp

Filesize
40.6MB

Download
memory/2828-15-0x0000000000400000-0x0000000002C93000-memory.dmp

Filesize
40.6MB

Download
memory/2828-17-0x0000000000400000-0x0000000002C93000-memory.dmp

Filesize
40.6MB

Download