smokeloader | d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070

General

Target

d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe
Size

190KB
MD5

ee419e8bb27ea365a290d3c9e3c33e74
SHA1

492681db5de609d5e25680500d73ddac84bce1a9
SHA256

d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070
SHA512

cff89fb444c31aece2755d5edf47f7d478318ce7cdac039902b6b3b289a9e58c0401561d889a6d1d3bff104e204b191398e62af6c14355c8108a5e06402840dd

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:

d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe

description	pid	process	target process
PID 1000 set thread context of 1328	1000	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.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:

d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe

pid	process
1328	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe
1328	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2488
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe

pid process

1328 d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 2488
Token: SeCreatePagefilePrivilege 2488

pid	process
2488

description	pid	process
Token: SeShutdownPrivilege	2488
Token: SeCreatePagefilePrivilege	2488

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe

description	pid	process	target process
PID 1000 wrote to memory of 1328	1000	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe
PID 1000 wrote to memory of 1328	1000	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe
PID 1000 wrote to memory of 1328	1000	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe
PID 1000 wrote to memory of 1328	1000	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe
PID 1000 wrote to memory of 1328	1000	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe
PID 1000 wrote to memory of 1328	1000	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe	d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe

C:\Users\Admin\AppData\Local\Temp\d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe
"C:\Users\Admin\AppData\Local\Temp\d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1000

C:\Users\Admin\AppData\Local\Temp\d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe
"C:\Users\Admin\AppData\Local\Temp\d36fe72f6e00ca24d2dc058ba8ce748b085e86ae8c3b90851b99db3af3e36070.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1328

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 48f220b62af55dee65c38b434cdee46c FHrP0mqSN0m2aVNZ/L2hQQ.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:1000

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k wusvcs -p
1⤵
PID:2352

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/1000-130-0x0000000000730000-0x0000000000758000-memory.dmp

Filesize
160KB

Download
memory/1000-131-0x00000000006D0000-0x00000000006D9000-memory.dmp

Filesize
36KB

Download
memory/1328-132-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1328-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2488-134-0x0000000002910000-0x0000000002926000-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