smokeloader | 9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c

General

Target

9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe
Size

357KB
MD5

86a99cf893b1cece793e21b9a4a80e3f
SHA1

d74b085187cb2b21e6c3a18a9b25cbbe29b0fbdc
SHA256

9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c
SHA512

4cd07d606d114bdf25f4428b20c54445c8b4e7c129a736cda2847b0ebccd5086bf434a6dbf852af969585de2c3c172bf1d8f14949df52a6260e82a9fa50f7d46

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:

9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe

description	pid	process	target process
PID 2352 set thread context of 1784	2352	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.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:

9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe

pid	process
1784	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe
1784	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2492
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe

pid process

1784 9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 2492
Token: SeCreatePagefilePrivilege 2492

pid	process
2492

description	pid	process
Token: SeShutdownPrivilege	2492
Token: SeCreatePagefilePrivilege	2492

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe

description	pid	process	target process
PID 2352 wrote to memory of 1784	2352	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe
PID 2352 wrote to memory of 1784	2352	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe
PID 2352 wrote to memory of 1784	2352	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe
PID 2352 wrote to memory of 1784	2352	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe
PID 2352 wrote to memory of 1784	2352	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe
PID 2352 wrote to memory of 1784	2352	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe	9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe

C:\Users\Admin\AppData\Local\Temp\9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe
"C:\Users\Admin\AppData\Local\Temp\9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2352

C:\Users\Admin\AppData\Local\Temp\9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe
"C:\Users\Admin\AppData\Local\Temp\9ac0480c0f404bb5bd7becd2ed3c6ecba0aeabcd9c4c189403ca5ccc323f668c.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1784

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe c8801b73f6d24ca93172bc1c51eec314 /MdMpPJ1D06TDUBVvcW6ng.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:1308

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/1784-131-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1784-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2352-130-0x0000000000780000-0x00000000007AB000-memory.dmp

Filesize
172KB

Download
memory/2352-132-0x0000000000720000-0x0000000000729000-memory.dmp

Filesize
36KB

Download
memory/2492-134-0x0000000000430000-0x0000000000446000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads