smokeloader | 6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb

General

Target

6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe
Size

153KB
MD5

fe2a82995b47af70782134bbec7ee97d
SHA1

27d1f11fdb0fc952963549fa68b887347f099472
SHA256

6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb
SHA512

4aab300c79cce255926fb957bc953650c24d7624006ee898e6c76c8ea2aed1bec7b794f876e7c27b2d9dd8bfe0efc7743ec9c421183a5c0e38467f7f2dc0ac77

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2018

C2

http://lufdx2.com/2/

http://gvs1.in/2/

http://jdcbhs.ru/2/

http://m21ch.com/2/

http://gdlvw1.com/2/

rc4.i32

Signatures

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

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe

description	pid	process	target process
PID 1956 set thread context of 1968	1956	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe

Checks SCSI registry key(s) 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe

pid	process
1968	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe
1968	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe

description	pid	process	target process
PID 1956 wrote to memory of 1968	1956	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe
PID 1956 wrote to memory of 1968	1956	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe
PID 1956 wrote to memory of 1968	1956	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe
PID 1956 wrote to memory of 1968	1956	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe
PID 1956 wrote to memory of 1968	1956	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe
PID 1956 wrote to memory of 1968	1956	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe
PID 1956 wrote to memory of 1968	1956	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe	6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe

C:\Users\Admin\AppData\Local\Temp\6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe
"C:\Users\Admin\AppData\Local\Temp\6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1956

C:\Users\Admin\AppData\Local\Temp\6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe
"C:\Users\Admin\AppData\Local\Temp\6f4081a641ea9cbe5a88e790c956f20ed32290f658afa593336029c7c2c21cfb.exe"
2⤵
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1968

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

2

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1224-60-0x0000000002990000-0x00000000029A5000-memory.dmp

Filesize
84KB

Download
memory/1956-57-0x0000000000698000-0x00000000006A3000-memory.dmp

Filesize
44KB

Download
memory/1956-54-0x0000000000698000-0x00000000006A3000-memory.dmp

Filesize
44KB

Download
memory/1968-56-0x0000000000402B10-mapping.dmp

Download
memory/1968-58-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download
memory/1968-55-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1968-59-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads