smokeloader | ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0

General

Target

ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe
Size

353KB
MD5

4be7a3e011c85f196567c25284b31088
SHA1

ab187a3b3d75291791d2e1ee9e9875f88c52b27c
SHA256

ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0
SHA512

d317d3d38669a74a8da01159af0b952609c60291d1ecaa44b8da4118292e76d2035e89f79708b12410ca35ae0a2610ee949cb5aebb05f7e32d14678d6754ecfc

Score

10^/10

smokeloader backdoor persistence trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Suspicious use of SetThreadContext 1 IoCs

Processes:

ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe

description	pid	process	target process
PID 3872 set thread context of 3220	3872	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.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:

ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe

pid	process
3220	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe
3220	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe
2432
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2432
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe

pid process

3220 ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 2432
Token: SeCreatePagefilePrivilege 2432

pid	process
2432

description	pid	process
Token: SeShutdownPrivilege	2432
Token: SeCreatePagefilePrivilege	2432

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe

description	pid	process	target process
PID 3872 wrote to memory of 3220	3872	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe
PID 3872 wrote to memory of 3220	3872	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe
PID 3872 wrote to memory of 3220	3872	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe
PID 3872 wrote to memory of 3220	3872	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe
PID 3872 wrote to memory of 3220	3872	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe
PID 3872 wrote to memory of 3220	3872	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe	ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe

C:\Users\Admin\AppData\Local\Temp\ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe
"C:\Users\Admin\AppData\Local\Temp\ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3872

C:\Users\Admin\AppData\Local\Temp\ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe
"C:\Users\Admin\AppData\Local\Temp\ea164dacd96c7c2f93dcc8ddb9798def103def1b7e1febad0813a521346106e0.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3220

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 51ea8cde1daa26bb0fc9611d270d6373 zI7tg6i4XkS7qX4zTH8XcA.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:880

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p
1⤵
PID:3404

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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/2432-134-0x0000000002B40000-0x0000000002B56000-memory.dmp

Filesize
88KB

Download
memory/3220-131-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3220-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3872-130-0x0000000000620000-0x000000000064B000-memory.dmp

Filesize
172KB

Download
memory/3872-132-0x00000000021C0000-0x00000000021C9000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads