smokeloader | 32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801

General

Target

32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe
Size

210KB
MD5

90168486e14502fd04ce3df2c4bacd17
SHA1

82f51f53c6832b0c535aaf2fa57478856453fdc2
SHA256

32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801
SHA512

5e8d7b0fbece683ebad61b31991d140c49e06874f00c53cbc95705c7c96c36005c4900822f3d014f6d7e92c88997df93c09f5b4507d2ff1e4d52a9f1dfe351d1

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:

32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe

description	pid	process	target process
PID 1048 set thread context of 916	1048	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.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:

32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe

pid	process
916	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe
916	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe

description	pid	process	target process
PID 1048 wrote to memory of 916	1048	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe
PID 1048 wrote to memory of 916	1048	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe
PID 1048 wrote to memory of 916	1048	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe
PID 1048 wrote to memory of 916	1048	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe
PID 1048 wrote to memory of 916	1048	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe
PID 1048 wrote to memory of 916	1048	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe
PID 1048 wrote to memory of 916	1048	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe	32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe

C:\Users\Admin\AppData\Local\Temp\32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe
"C:\Users\Admin\AppData\Local\Temp\32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1048

C:\Users\Admin\AppData\Local\Temp\32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe
"C:\Users\Admin\AppData\Local\Temp\32e59da764725e6adbc7a2f84689e8404bd91edd9a5e5950550e002e45f69801.exe"
2⤵
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:916

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/916-55-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/916-56-0x0000000000402B10-mapping.dmp

Download
memory/916-57-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/916-58-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1048-54-0x0000000005467000-0x0000000005472000-memory.dmp

Filesize
44KB

Download
memory/1232-59-0x00000000029D0000-0x00000000029E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads