smokeloader | 09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8

General

Target

09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe
Size

190KB
MD5

ee211eb9427665c1381143801fc6e999
SHA1

81220862ee755ef07ec31077cff56c8f7682f9cd
SHA256

09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8
SHA512

296399c8c5e6bf7f57d3a9c55a802278133e2b52347b1f074c6e83a9f4eaf47bacd98072b34d44a2ddb1b4ee6562ed7a79d74bfd1fedb2c1034f9145293e3f37

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:

09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe

description	pid	process	target process
PID 3504 set thread context of 1304	3504	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.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:

09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe

pid	process
1304	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe
1304	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2308
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe

pid process

1304 09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 2308
Token: SeCreatePagefilePrivilege 2308

pid	process
2308

description	pid	process
Token: SeShutdownPrivilege	2308
Token: SeCreatePagefilePrivilege	2308

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe

description	pid	process	target process
PID 3504 wrote to memory of 1304	3504	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe
PID 3504 wrote to memory of 1304	3504	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe
PID 3504 wrote to memory of 1304	3504	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe
PID 3504 wrote to memory of 1304	3504	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe
PID 3504 wrote to memory of 1304	3504	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe
PID 3504 wrote to memory of 1304	3504	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe	09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe

C:\Users\Admin\AppData\Local\Temp\09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe
"C:\Users\Admin\AppData\Local\Temp\09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3504

C:\Users\Admin\AppData\Local\Temp\09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe
"C:\Users\Admin\AppData\Local\Temp\09d3a983c84f1751d0b7ab6224705b8781a347ecdcfb794c4001a0f9dcb73ed8.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1304

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 23e0544252a0ecbab39993f7c8f447b7 iwcKAVX9dECi9IrcowxtpQ.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:1404

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/1304-132-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1304-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2308-134-0x0000000000CB0000-0x0000000000CC6000-memory.dmp

Filesize
88KB

Download
memory/3504-130-0x00000000005E0000-0x0000000000608000-memory.dmp

Filesize
160KB

Download
memory/3504-131-0x00000000005D0000-0x00000000005D9000-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