smokeloader | 425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27

General

Target

425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe
Size

210KB
MD5

4a664f5bfd63570f209fa6cf42467eaf
SHA1

bd61a99af933bde5d4c341520e30b62034139c7c
SHA256

425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27
SHA512

62c17b99f91ede151fbd328ff7203efdc4cee1f11207f029b85065bacc426c9c585a4f7fd3fb970d1ff679367852cedff8fe2f7641873bf9ed43d9144a95b232

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:

425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe

pid	process
388	425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe
388	425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe

description	pid	process	target process
PID 388 wrote to memory of 556	388	425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe	splwow64.exe
PID 388 wrote to memory of 556	388	425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe	splwow64.exe
PID 388 wrote to memory of 556	388	425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe	splwow64.exe
PID 388 wrote to memory of 556	388	425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe	splwow64.exe

C:\Users\Admin\AppData\Local\Temp\425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe
"C:\Users\Admin\AppData\Local\Temp\425b9cd4f233bf9c68bf2f965717e36348911ea057d3792ebc862caea077bf27.exe"
1⤵
- Maps connected drives based on registry
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:388

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:556

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/388-55-0x0000000076C81000-0x0000000076C83000-memory.dmp

Filesize
8KB

Download
memory/388-56-0x00000000002F0000-0x00000000002F9000-memory.dmp

Filesize
36KB

Download
memory/388-57-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/556-54-0x0000000000000000-mapping.dmp

Download
memory/1272-58-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads