smokeloader | 109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d

General

Target

109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe
Size

316KB
MD5

8762d0570c46e288932fb82dc87ab294
SHA1

f8dca88e281e6c08dbaf5a7efdc0b19aa200498c
SHA256

109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d
SHA512

8c2eee822535bcc905aaa47f23c08c23dc340c485e54ab0d9964835a8a565a9b530aaf4fbc907df3ef7614ed9d5e56d14b757e55a1a104d50948a1bd219d582f

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:

109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe

description	pid	process	target process
PID 560 set thread context of 3152	560	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.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:

109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe

pid	process
3152	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe
3152	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2344
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe

pid process

3152 109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 2344
Token: SeCreatePagefilePrivilege 2344

pid	process
2344

description	pid	process
Token: SeShutdownPrivilege	2344
Token: SeCreatePagefilePrivilege	2344

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe

description	pid	process	target process
PID 560 wrote to memory of 3152	560	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe
PID 560 wrote to memory of 3152	560	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe
PID 560 wrote to memory of 3152	560	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe
PID 560 wrote to memory of 3152	560	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe
PID 560 wrote to memory of 3152	560	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe
PID 560 wrote to memory of 3152	560	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe	109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe

C:\Users\Admin\AppData\Local\Temp\109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe
"C:\Users\Admin\AppData\Local\Temp\109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:560

C:\Users\Admin\AppData\Local\Temp\109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe
"C:\Users\Admin\AppData\Local\Temp\109a1add019fcaf6cda3889345f0583cfb99f5bf2f025fb39e61b54099ae993d.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3152

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 8079b2da0fadecd49d2149931580825f 2URH+vHQFkGkbEY8QnWCgQ.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:2652

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/560-130-0x00000000001F0000-0x00000000001F8000-memory.dmp

Filesize
32KB

Download
memory/560-131-0x0000000000530000-0x0000000000539000-memory.dmp

Filesize
36KB

Download
memory/2344-134-0x0000000000760000-0x0000000000776000-memory.dmp

Filesize
88KB

Download
memory/3152-132-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3152-133-0x0000000000400000-0x0000000000409000-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