smokeloader | fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934

Resubmissions

11-01-2023 13:54

230111-q71fqsdb89 10

27-08-2020 15:49

200827-v6tcrvw9es 10

Analysis

max time kernel
3s
max time network
16s
platform
windows7_x64
resource
win7
submitted
27-08-2020 15:49

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General

Target

smoke.exe
Size

329KB
MD5

5fc6f24d43bc7ca45a81d159291955d1
SHA1

72fc3ce96bd9406215cec015d70bbb67318f1e23
SHA256

fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934
SHA512

b39488cfaec3bbe93fc4b22f92edfc3b2b729e6f75a472d722418b259fc9c74faae60f5126384dc242ba1b42300e60428c7c530982550625cd59e1684f7c9380

Score

10^/10

trojan backdoor smokeloader

Malware Config

Extracted

Family

smokeloader

Version

2019

http://protest-01242505.tk/

http://test-service012505.ru.com/

http://test-service012505.pw/

http://test-service012505.com/

http://test-service012505.site/

http://test-service012505.store/

http://test-service01242505.ru/

http://mytest-service012505.ru/

http://test-service012505.su/

http://test-service012505.info/

http://test-service012505.net/

http://test-service012505.tech/

http://test-service012505.online/

http://rutest-service012505.ru/

http://test-service01dom2505.ru/

http://test-service012505.website/

http://test-service012505.xyz/

http://test-service01pro2505.ru/

http://test-service01rus2505.ru/

http://test-service012505.eu/

rc4.i32

Signatures

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

Processes:

smoke.exe

pid process

1096 smoke.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

smoke.exe

description pid process target process

PID 1324 set thread context of 1096 1324 smoke.exe smoke.exe

pid	process
1096	smoke.exe

description	pid	process	target process
PID 1324 set thread context of 1096	1324	smoke.exe	smoke.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:

smoke.exe

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

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

smoke.exe

pid process

1096 smoke.exe
1096 smoke.exe

pid	process
1096	smoke.exe
1096	smoke.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

smoke.exe

description	pid	process	target process
PID 1324 wrote to memory of 1096	1324	smoke.exe	smoke.exe
PID 1324 wrote to memory of 1096	1324	smoke.exe	smoke.exe
PID 1324 wrote to memory of 1096	1324	smoke.exe	smoke.exe
PID 1324 wrote to memory of 1096	1324	smoke.exe	smoke.exe
PID 1324 wrote to memory of 1096	1324	smoke.exe	smoke.exe
PID 1324 wrote to memory of 1096	1324	smoke.exe	smoke.exe
PID 1324 wrote to memory of 1096	1324	smoke.exe	smoke.exe

C:\Users\Admin\AppData\Local\Temp\smoke.exe
"C:\Users\Admin\AppData\Local\Temp\smoke.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1324

C:\Users\Admin\AppData\Local\Temp\smoke.exe
"C:\Users\Admin\AppData\Local\Temp\smoke.exe"
2⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1096

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\4DD3.tmp

Download Submit
memory/1096-1-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1096-2-0x0000000000402E50-mapping.dmp

Download
memory/1096-4-0x0000000000410000-0x0000000000427000-memory.dmp

Filesize
92KB

Download
memory/1096-5-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/1324-0-0x00000000002AC000-0x00000000002C1000-memory.dmp

Filesize
84KB

Download