smokeloader | 30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9

General

Target

30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe
Size

317KB
MD5

649aab4a3df8250b9c88c68dc14ed57a
SHA1

1ef39081938c23072efaa9200bbf3ac0fe1371a7
SHA256

30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9
SHA512

82916027abac3e53bfa5b9a5d1b6ae10de5c73e3cfef40e0f30f766390dd78040da487cd9fc544480807cb11de81062b9328267a1ac2ae285ce975fd9083c3b5

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:

30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe

description	pid	process	target process
PID 3840 set thread context of 228	3840	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.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:

30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.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\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	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\Policies\Microsoft\SystemCertificates\CA\CTLs	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\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\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	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\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	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\CA\Certificates	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\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	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	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	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\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe

pid	process
228	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe
228	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe
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2540

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2540
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe

pid process

228 30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 2540
Token: SeCreatePagefilePrivilege 2540

pid	process
2540

description	pid	process
Token: SeShutdownPrivilege	2540
Token: SeCreatePagefilePrivilege	2540

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe

description	pid	process	target process
PID 3840 wrote to memory of 228	3840	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe
PID 3840 wrote to memory of 228	3840	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe
PID 3840 wrote to memory of 228	3840	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe
PID 3840 wrote to memory of 228	3840	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe
PID 3840 wrote to memory of 228	3840	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe
PID 3840 wrote to memory of 228	3840	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe	30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe

C:\Users\Admin\AppData\Local\Temp\30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe
"C:\Users\Admin\AppData\Local\Temp\30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3840

C:\Users\Admin\AppData\Local\Temp\30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe
"C:\Users\Admin\AppData\Local\Temp\30846463742bd78d63dfb610367ad3d055c1ab3aa4675d1776219599b0a6e5e9.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:228

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe db0267bc1d21ec2b304c686e30e65cc2 P1v5+yBnH02ab07c2wS1tw.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:1968

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k wusvcs -p
1⤵
PID:3940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/228-132-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/228-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2540-134-0x0000000001350000-0x0000000001366000-memory.dmp

Filesize
88KB

Download
memory/3840-130-0x00000000005A0000-0x00000000005A8000-memory.dmp

Filesize
32KB

Download
memory/3840-131-0x00000000005B0000-0x00000000005B9000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads