smokeloader | 3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f

General

Target

3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe
Size

274KB
MD5

d3940bc235a72c8af8f28d779f8a197c
SHA1

7530fbbf3e96efc8d7fdda75f521d18ee97d3d6c
SHA256

3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f
SHA512

9c93b8bba98a0503399e8e180615f4502bedc488f74c955b02717edf60b6b07387c0d6f2dbfac01c88565705cc911001734458effacd001054a0633c2961add0

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2018

C2

http://proxy-exe.bit/2/

http://kiyanka.club/2/

http://d3s1.me/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:

3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe

description	pid	process	target process
PID 1864 set thread context of 1312	1864	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe

pid	process
1312	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe
1312	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe

description	pid	process	target process
PID 1864 wrote to memory of 1312	1864	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe
PID 1864 wrote to memory of 1312	1864	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe
PID 1864 wrote to memory of 1312	1864	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe
PID 1864 wrote to memory of 1312	1864	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe
PID 1864 wrote to memory of 1312	1864	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe
PID 1864 wrote to memory of 1312	1864	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe
PID 1864 wrote to memory of 1312	1864	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe	3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe

C:\Users\Admin\AppData\Local\Temp\3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe
"C:\Users\Admin\AppData\Local\Temp\3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1864

C:\Users\Admin\AppData\Local\Temp\3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe
"C:\Users\Admin\AppData\Local\Temp\3fe5c8a4e105258b3a39dadfecf733d623f01359180539643421364b7f3f606f.exe"
2⤵
- Maps connected drives based on registry
- Suspicious behavior: MapViewOfSection
PID:1312

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

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Downloads

memory/1228-59-0x0000000002AA0000-0x0000000002AB5000-memory.dmp

Filesize
84KB

Download
memory/1312-56-0x000000000040294E-mapping.dmp

Download
memory/1312-55-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1312-57-0x0000000075A61000-0x0000000075A63000-memory.dmp

Filesize
8KB

Download
memory/1312-58-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1864-54-0x0000000000020000-0x000000000002A000-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