systembc | 9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed

General

Target

9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed.exe
Size

95KB
MD5

60da44c3d55f57e19fbdc9b6e9219a0a
SHA1

ebe56f8ae1f7fc3e958925e0682fe4bc15bb19c9
SHA256

9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed
SHA512

765c52f5eabb2012ef113f1b81a2656390fb1527124961a7a5e401550aac864a2074b0d64b34ebe5e912e70058b6a470e5bb499041bf8c775c4a04e16c419a3c

Score

10^/10

systembc persistence trojan

Malware Config

Extracted

Family

systembc

C2

31.44.184.201:4081

31.44.184.202:4081

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
Executes dropped EXE 2 IoCs

Processes:

bqmsaou.exebqmsaou.exe

pid process

2936 bqmsaou.exe
1464 bqmsaou.exe
Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

pid	process
2936	bqmsaou.exe
1464	bqmsaou.exe

Drops file in Windows directory 2 IoCs

Processes:

9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed.exe

description	ioc	process
File created	C:\Windows\Tasks\bqmsaou.job	9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed.exe
File opened for modification	C:\Windows\Tasks\bqmsaou.job	9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed.exe

pid	process
3988	9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed.exe
3988	9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed.exe

C:\Users\Admin\AppData\Local\Temp\9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed.exe
"C:\Users\Admin\AppData\Local\Temp\9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:3988

C:\ProgramData\nrxed\bqmsaou.exe
C:\ProgramData\nrxed\bqmsaou.exe start2
1⤵
- Executes dropped EXE
PID:2936

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 93a92a8b057562d57e45819292555abd O/t/vqmvr0W6dqZWOuA7UQ.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:1300

C:\ProgramData\nrxed\bqmsaou.exe
C:\ProgramData\nrxed\bqmsaou.exe start2
1⤵
- Executes dropped EXE
PID:1464

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\nrxed\bqmsaou.exe
MD5
60da44c3d55f57e19fbdc9b6e9219a0a

SHA1
ebe56f8ae1f7fc3e958925e0682fe4bc15bb19c9

SHA256
9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed

SHA512
765c52f5eabb2012ef113f1b81a2656390fb1527124961a7a5e401550aac864a2074b0d64b34ebe5e912e70058b6a470e5bb499041bf8c775c4a04e16c419a3c

Download Submit
C:\ProgramData\nrxed\bqmsaou.exe
MD5
60da44c3d55f57e19fbdc9b6e9219a0a

SHA1
ebe56f8ae1f7fc3e958925e0682fe4bc15bb19c9

SHA256
9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed

SHA512
765c52f5eabb2012ef113f1b81a2656390fb1527124961a7a5e401550aac864a2074b0d64b34ebe5e912e70058b6a470e5bb499041bf8c775c4a04e16c419a3c

Download Submit
C:\ProgramData\nrxed\bqmsaou.exe
MD5
60da44c3d55f57e19fbdc9b6e9219a0a

SHA1
ebe56f8ae1f7fc3e958925e0682fe4bc15bb19c9

SHA256
9ff5246727eb8baf06d825830b061df21a7e7b8ecf0f4f584da3b886643f84ed

SHA512
765c52f5eabb2012ef113f1b81a2656390fb1527124961a7a5e401550aac864a2074b0d64b34ebe5e912e70058b6a470e5bb499041bf8c775c4a04e16c419a3c

Download Submit
memory/1464-260-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1464-261-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3988-130-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3988-131-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3988-132-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads