systembc | 5eaf5d22f937189275b6fae1257fc682194ca768a91d7b5e897770ad008f7112

General

Target

5eaf5d22f937189275b6fae1257fc682194ca768a91d7b5e897770ad008f7112.exe
Size

84KB
MD5

e1e6cc20c8ac3d45b335605cb3ebad92
SHA1

60ceafc423200bb22495998aaada0df0b43b3d11
SHA256

5eaf5d22f937189275b6fae1257fc682194ca768a91d7b5e897770ad008f7112
SHA512

0837073758f5453d564fceb91daa70a28381ced357a8d041480b7f44ae9dfc4ff4c161643ac259ef4d69ee967e1a9d340c9d1ec2d76afedbb3e267f788403f18

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 1 IoCs

Processes:

txineim.exe

pid process

3428 txineim.exe
Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

pid	process
3428	txineim.exe

Drops file in Windows directory 2 IoCs

Processes:

5eaf5d22f937189275b6fae1257fc682194ca768a91d7b5e897770ad008f7112.exe

description	ioc	process
File created	C:\Windows\Tasks\txineim.job	5eaf5d22f937189275b6fae1257fc682194ca768a91d7b5e897770ad008f7112.exe
File opened for modification	C:\Windows\Tasks\txineim.job	5eaf5d22f937189275b6fae1257fc682194ca768a91d7b5e897770ad008f7112.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

5eaf5d22f937189275b6fae1257fc682194ca768a91d7b5e897770ad008f7112.exe

pid	process
408	5eaf5d22f937189275b6fae1257fc682194ca768a91d7b5e897770ad008f7112.exe
408	5eaf5d22f937189275b6fae1257fc682194ca768a91d7b5e897770ad008f7112.exe

C:\Users\Admin\AppData\Local\Temp\5eaf5d22f937189275b6fae1257fc682194ca768a91d7b5e897770ad008f7112.exe
"C:\Users\Admin\AppData\Local\Temp\5eaf5d22f937189275b6fae1257fc682194ca768a91d7b5e897770ad008f7112.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:408

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe eda6178cf020037f3cf464e9c17f170d zI7tg6i4XkS7qX4zTH8XcA.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:1276

C:\ProgramData\ixel\txineim.exe
C:\ProgramData\ixel\txineim.exe start2
1⤵
- Executes dropped EXE
PID:3428

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\ixel\txineim.exe
MD5
e1e6cc20c8ac3d45b335605cb3ebad92

SHA1
60ceafc423200bb22495998aaada0df0b43b3d11

SHA256
5eaf5d22f937189275b6fae1257fc682194ca768a91d7b5e897770ad008f7112

SHA512
0837073758f5453d564fceb91daa70a28381ced357a8d041480b7f44ae9dfc4ff4c161643ac259ef4d69ee967e1a9d340c9d1ec2d76afedbb3e267f788403f18

Download Submit
C:\ProgramData\ixel\txineim.exe
MD5
e1e6cc20c8ac3d45b335605cb3ebad92

SHA1
60ceafc423200bb22495998aaada0df0b43b3d11

SHA256
5eaf5d22f937189275b6fae1257fc682194ca768a91d7b5e897770ad008f7112

SHA512
0837073758f5453d564fceb91daa70a28381ced357a8d041480b7f44ae9dfc4ff4c161643ac259ef4d69ee967e1a9d340c9d1ec2d76afedbb3e267f788403f18

Download Submit
memory/408-130-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/408-131-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads