smokeloader | 9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5

General

Target

9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe
Size

353KB
MD5

2b96c5bde8c917215c08d2ba95079509
SHA1

34492b4f0cf93d3e7d8cfc02daf973f06dfaaeda
SHA256

9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5
SHA512

d5aa900d1befd7e93a2747bdfd263a7e03c57e9f101f1f7e39015892053f8a5a572d1899c8b8007c1ed3c0a0760a6e6bbb8914db9cda711d4558a9511a27e614

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:

9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe

description	pid	process	target process
PID 1820 set thread context of 2728	1820	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.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:

9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe

pid	process
2728	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe
2728	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe
2476
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2476
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe

pid process

2728 9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 2476
Token: SeCreatePagefilePrivilege 2476

pid	process
2476

description	pid	process
Token: SeShutdownPrivilege	2476
Token: SeCreatePagefilePrivilege	2476

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe

description	pid	process	target process
PID 1820 wrote to memory of 2728	1820	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe
PID 1820 wrote to memory of 2728	1820	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe
PID 1820 wrote to memory of 2728	1820	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe
PID 1820 wrote to memory of 2728	1820	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe
PID 1820 wrote to memory of 2728	1820	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe
PID 1820 wrote to memory of 2728	1820	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe	9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe

C:\Users\Admin\AppData\Local\Temp\9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe
"C:\Users\Admin\AppData\Local\Temp\9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1820

C:\Users\Admin\AppData\Local\Temp\9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe
"C:\Users\Admin\AppData\Local\Temp\9c6c6d5dd31a89f884c98268c23de580bd4fa0311b05ef502ea74827afcc42a5.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2728

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 6d28e4353182a345afac723f8798f36a xorpv0a6MUWbGFSXMdI1yQ.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:3056

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/1820-130-0x0000000000720000-0x000000000074B000-memory.dmp

Filesize
172KB

Download
memory/1820-131-0x00000000021C0000-0x00000000021C9000-memory.dmp

Filesize
36KB

Download
memory/2476-134-0x0000000000F40000-0x0000000000F56000-memory.dmp

Filesize
88KB

Download
memory/2728-132-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2728-133-0x0000000000400000-0x0000000000409000-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