smokeloader | 388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559

General

Target

388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe
Size

457KB
MD5

cfef19baf2fc5238c6d05b636660b9b1
SHA1

7c8083906cebd29aaca04468c90605b54e47ea0e
SHA256

388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559
SHA512

402a6d9e47f32987538b6765234b6d83cc6c3ec40ff04b0adba064dc2ab8e6439d4111f3ede35c30593ee69b5c03ed295392df0a227ceb2f49c0cc3c5c8da247

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2019

C2

http://autopartsmagazzine.com/

http://magazinzapchasti.ru/

http://neponilomancitlimposup.ru/

http://himolamodaspopular.ru/

http://avstralopitek.bit/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Loads dropped DLL 1 IoCs

Processes:

388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe

pid process

1640 388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe
Drops file in Windows directory 1 IoCs

Processes:

388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe

description ioc process

File opened for modification C:\Windows\INF\setupapi.dev.log 388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe

description	ioc	process
File opened for modification	C:\Windows\INF\setupapi.dev.log	388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe

pid	process
1640	388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe
1640	388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe

C:\Users\Admin\AppData\Local\Temp\388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe
"C:\Users\Admin\AppData\Local\Temp\388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1640

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\6B79.tmp
Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/1356-60-0x00000000025B0000-0x00000000025C6000-memory.dmp

Filesize
88KB

Download
memory/1640-54-0x00000000762C1000-0x00000000762C3000-memory.dmp

Filesize
8KB

Download
memory/1640-55-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1640-56-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1640-59-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1640-58-0x00000000003C0000-0x00000000003F7000-memory.dmp

Filesize
220KB

Download

Analysis

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