systembc | 21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2024 02:14

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General

Target

21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe
Size

2.2MB
MD5

23c8cb1226c61a164d7518218c837b81
SHA1

45ea74832e487bacb788189c04661b29a71e86b5
SHA256

21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af
SHA512

8e219108c05966ec8ee6bc2ce2fb40c4aedce6614e65970c356e4f840e88720188c762aaa4451c2f5f1fa1bbc14136ecbcd1f4c9f3b1a5fccc0ab053a37bcc21
SSDEEP

24576:wqDdns3FYYhWxL3rc/+rhm+qx6GuQ5qGPVmTy9xMNWgJ/AICqQ9pEsePeHMSPs2f:1iD

Score

10^/10

systembc discovery trojan

Malware Config

Extracted

Family

systembc

claywyaeropumps.com

178.132.2.10

Attributes

dns
5.132.191.104

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 3 IoCs

Processes:

21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exetixplm.exetixplm.exe

description	pid	Process	procid_target
PID 2972 created 3144	2972	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe	54
PID 1232 created 3144	1232	tixplm.exe	54
PID 4304 created 3144	4304	tixplm.exe	54

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
Systembc family
systembc

Drops startup file 1 IoCs

Processes:

21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DriverUtil.vbs	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe

Executes dropped EXE 4 IoCs

Processes:

tixplm.exetixplm.exetixplm.exetixplm.exe

pid	Process
1232	tixplm.exe
1576	tixplm.exe
4304	tixplm.exe
2272	tixplm.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exetixplm.exetixplm.exe

description	pid	Process	procid_target
PID 2972 set thread context of 4116	2972	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe	96
PID 1232 set thread context of 1576	1232	tixplm.exe	101
PID 4304 set thread context of 2272	4304	tixplm.exe	103

Drops file in Windows directory 1 IoCs

Processes:

21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe

description	ioc	Process
File created	C:\Windows\Tasks\Test Task17.job	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exetixplm.exetixplm.exetixplm.exetixplm.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tixplm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tixplm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tixplm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tixplm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exetixplm.exetixplm.exe

pid	Process
2972	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe
1232	tixplm.exe
4304	tixplm.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exetixplm.exetixplm.exe

description	pid	Process
Token: SeDebugPrivilege	2972	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe
Token: SeDebugPrivilege	2972	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe
Token: SeDebugPrivilege	1232	tixplm.exe
Token: SeDebugPrivilege	1232	tixplm.exe
Token: SeDebugPrivilege	4304	tixplm.exe
Token: SeDebugPrivilege	4304	tixplm.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exetixplm.exetixplm.exe

description	pid	Process	procid_target
PID 2972 wrote to memory of 4116	2972	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe	96
PID 2972 wrote to memory of 4116	2972	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe	96
PID 2972 wrote to memory of 4116	2972	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe	96
PID 2972 wrote to memory of 4116	2972	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe	96
PID 2972 wrote to memory of 4116	2972	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe	96
PID 2972 wrote to memory of 4116	2972	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe	96
PID 2972 wrote to memory of 4116	2972	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe	96
PID 2972 wrote to memory of 4116	2972	21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe	96
PID 1232 wrote to memory of 1576	1232	tixplm.exe	101
PID 1232 wrote to memory of 1576	1232	tixplm.exe	101
PID 1232 wrote to memory of 1576	1232	tixplm.exe	101
PID 1232 wrote to memory of 1576	1232	tixplm.exe	101
PID 1232 wrote to memory of 1576	1232	tixplm.exe	101
PID 1232 wrote to memory of 1576	1232	tixplm.exe	101
PID 1232 wrote to memory of 1576	1232	tixplm.exe	101
PID 1232 wrote to memory of 1576	1232	tixplm.exe	101
PID 4304 wrote to memory of 2272	4304	tixplm.exe	103
PID 4304 wrote to memory of 2272	4304	tixplm.exe	103
PID 4304 wrote to memory of 2272	4304	tixplm.exe	103
PID 4304 wrote to memory of 2272	4304	tixplm.exe	103
PID 4304 wrote to memory of 2272	4304	tixplm.exe	103
PID 4304 wrote to memory of 2272	4304	tixplm.exe	103
PID 4304 wrote to memory of 2272	4304	tixplm.exe	103
PID 4304 wrote to memory of 2272	4304	tixplm.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3144
- C:\Users\Admin\AppData\Local\Temp\21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe
  "C:\Users\Admin\AppData\Local\Temp\21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2972
- C:\Users\Admin\AppData\Local\Temp\21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe
  "C:\Users\Admin\AppData\Local\Temp\21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:4116
- C:\ProgramData\cbck\tixplm.exe
  "C:\ProgramData\cbck\tixplm.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1576
- C:\ProgramData\cbck\tixplm.exe
  "C:\ProgramData\cbck\tixplm.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2272

C:\ProgramData\cbck\tixplm.exe
C:\ProgramData\cbck\tixplm.exe
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232

C:\ProgramData\cbck\tixplm.exe
C:\ProgramData\cbck\tixplm.exe
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\cbck\tixplm.exe

Filesize
2.2MB

MD5
23c8cb1226c61a164d7518218c837b81

SHA1
45ea74832e487bacb788189c04661b29a71e86b5

SHA256
21aaa5319a6729df0581203a0782ead837b848387e44cd1844ca8e19882a50af

SHA512
8e219108c05966ec8ee6bc2ce2fb40c4aedce6614e65970c356e4f840e88720188c762aaa4451c2f5f1fa1bbc14136ecbcd1f4c9f3b1a5fccc0ab053a37bcc21

Download Submit
C:\Windows\Tasks\Test Task17.job

Filesize
234B

MD5
3de45e647214ecbd0d0e9bc145f743d1

SHA1
9548b8cb63858cc7e6ad0a82ba69a0ab4e18712a

SHA256
28452b02026d1180ae9748493a6f05bc7a34bf9e55ee8ba329cac6cf4812706f

SHA512
15271ee32c3a598bb74a689c27e318d187091e8f752e730e3699f308f77d83e2ed359896ba7e0f1360fa65b699b39cb9251b168757734ec667a25aac031a46e4

Download Submit
memory/1232-1103-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/1232-2178-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1232-2179-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1232-2195-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1232-2187-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1232-2186-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/1232-2185-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1232-2184-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1232-2183-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1576-2194-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2972-18-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-6-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-56-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-54-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-52-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-50-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-48-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-44-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-42-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-40-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-38-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-36-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-32-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-28-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-26-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-24-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-22-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-20-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-60-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-16-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-14-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-12-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-10-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-46-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-30-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-58-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-4-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-3-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-1077-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/2972-1078-0x0000000005270000-0x00000000052C8000-memory.dmp

Filesize
352KB

Download
memory/2972-1079-0x00000000052D0000-0x000000000531C000-memory.dmp

Filesize
304KB

Download
memory/2972-1080-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/2972-1084-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/2972-1085-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/2972-1086-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/2972-1087-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/2972-62-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-64-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-66-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-34-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-8-0x0000000005130000-0x0000000005207000-memory.dmp

Filesize
860KB

Download
memory/2972-2-0x0000000005130000-0x000000000520C000-memory.dmp

Filesize
880KB

Download
memory/2972-1-0x0000000000380000-0x00000000005B6000-memory.dmp

Filesize
2.2MB

Download
memory/2972-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/2972-1088-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/2972-1089-0x0000000005C30000-0x00000000061D4000-memory.dmp

Filesize
5.6MB

Download
memory/2972-1090-0x0000000005010000-0x0000000005064000-memory.dmp

Filesize
336KB

Download
memory/2972-1099-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4116-1097-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download