smokeloader | ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be

General

Target

ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe
Size

333KB
MD5

37c193001ff6d80502e257e132b93fb6
SHA1

279cc8a20c6944190c981faa4a017f7652030a7c
SHA256

ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be
SHA512

abb3322747c0ceb0324ff7679c5fb8ceb973100b259771e601f450dd7f2c5a77de7c8cbdfa77cf09a58b793f2601a91e79975513167f6943ed801a7c82ca6e90

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:

ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe

description	pid	process	target process
PID 2216 set thread context of 3264	2216	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.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:

ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe

pid	process
3264	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe
3264	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2520
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe

pid process

3264 ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 2520
Token: SeCreatePagefilePrivilege 2520

pid	process
2520

description	pid	process
Token: SeShutdownPrivilege	2520
Token: SeCreatePagefilePrivilege	2520

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe

description	pid	process	target process
PID 2216 wrote to memory of 3264	2216	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe
PID 2216 wrote to memory of 3264	2216	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe
PID 2216 wrote to memory of 3264	2216	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe
PID 2216 wrote to memory of 3264	2216	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe
PID 2216 wrote to memory of 3264	2216	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe
PID 2216 wrote to memory of 3264	2216	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe	ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe

C:\Users\Admin\AppData\Local\Temp\ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe
"C:\Users\Admin\AppData\Local\Temp\ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2216

C:\Users\Admin\AppData\Local\Temp\ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe
"C:\Users\Admin\AppData\Local\Temp\ebaf378300359d6342401cbe361a9759d33bb40b38358b659d1bef961ade79be.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3264

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 60b6d651d13e54e66d00a793ddc7b394 omc2//L2GE+ip2xL58nQkA.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:4028

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/2216-131-0x0000000000630000-0x000000000065B000-memory.dmp

Filesize
172KB

Download
memory/2216-132-0x0000000000610000-0x0000000000619000-memory.dmp

Filesize
36KB

Download
memory/2520-135-0x00000000013A0000-0x00000000013B6000-memory.dmp

Filesize
88KB

Download
memory/3264-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3264-134-0x0000000000400000-0x0000000000409000-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