systembc | c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 17:28

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General

Target

c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe
Size

1010KB
MD5

edbf90615adcab2e37525f41cfcbdcf0
SHA1

8e5ad8f1ba8d2e0aad33e1a6b2b5ef90f628650c
SHA256

c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e
SHA512

792e62f026ca3474f458ffdc15ed18ca5185989b735c69d18671dce8330fcc3744abad183e4ac5c5df4f77acb1c7bbf4f1bd2f4441b1b8e8671c17a95f83e12f
SSDEEP

24576:IgWIa+M0IGZ3jGBUii9YkIw/61JuYrv+Ux7T:PkSIkIUiaPl/617+UZT

Score

10^/10

systembc discovery trojan

Malware Config

Extracted

Family

systembc

wodresomdaymomentum.org

Attributes

dns
5.132.191.104

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs

description	pid	Process	procid_target
PID 3220 created 3520	3220	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe	56
PID 4088 created 3520	4088	isftkp.exe	56

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\brokerutil.vbs	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe

Executes dropped EXE 3 IoCs

pid	Process
4088	isftkp.exe
1592	isftkp.exe
1916	isftkp.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3220 set thread context of 4396	3220	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe	87
PID 4088 set thread context of 1592	4088	isftkp.exe	93

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Test Task17.job	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	isftkp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	isftkp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	isftkp.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3220	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe
4088	isftkp.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3220	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe
Token: SeDebugPrivilege	3220	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe
Token: SeDebugPrivilege	4088	isftkp.exe
Token: SeDebugPrivilege	4088	isftkp.exe
Token: SeDebugPrivilege	1916	isftkp.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 4396	3220	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe	87
PID 3220 wrote to memory of 4396	3220	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe	87
PID 3220 wrote to memory of 4396	3220	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe	87
PID 3220 wrote to memory of 4396	3220	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe	87
PID 3220 wrote to memory of 4396	3220	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe	87
PID 3220 wrote to memory of 4396	3220	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe	87
PID 3220 wrote to memory of 4396	3220	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe	87
PID 3220 wrote to memory of 4396	3220	c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe	87
PID 4088 wrote to memory of 1592	4088	isftkp.exe	93
PID 4088 wrote to memory of 1592	4088	isftkp.exe	93
PID 4088 wrote to memory of 1592	4088	isftkp.exe	93
PID 4088 wrote to memory of 1592	4088	isftkp.exe	93
PID 4088 wrote to memory of 1592	4088	isftkp.exe	93
PID 4088 wrote to memory of 1592	4088	isftkp.exe	93
PID 4088 wrote to memory of 1592	4088	isftkp.exe	93
PID 4088 wrote to memory of 1592	4088	isftkp.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3520
- C:\Users\Admin\AppData\Local\Temp\c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe
  "C:\Users\Admin\AppData\Local\Temp\c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.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:3220
- C:\Users\Admin\AppData\Local\Temp\c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe
  "C:\Users\Admin\AppData\Local\Temp\c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:4396
- C:\ProgramData\kboltu\isftkp.exe
  "C:\ProgramData\kboltu\isftkp.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1592

C:\ProgramData\kboltu\isftkp.exe
C:\ProgramData\kboltu\isftkp.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:4088

C:\ProgramData\kboltu\isftkp.exe
C:\ProgramData\kboltu\isftkp.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1916

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

Replay Monitor

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Downloads

C:\ProgramData\kboltu\isftkp.exe

Filesize
1010KB

MD5
edbf90615adcab2e37525f41cfcbdcf0

SHA1
8e5ad8f1ba8d2e0aad33e1a6b2b5ef90f628650c

SHA256
c0967a95f4a2ccfe64139ea5bbbb6c87688b64e26b0d61f068ccd0a4782a057e

SHA512
792e62f026ca3474f458ffdc15ed18ca5185989b735c69d18671dce8330fcc3744abad183e4ac5c5df4f77acb1c7bbf4f1bd2f4441b1b8e8671c17a95f83e12f

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

Filesize
238B

MD5
ddb1af2706cbfd076cae7078bc35f46c

SHA1
9e6c69df01e7c813d1215b31e859a604dabaf21e

SHA256
023f7867cf60ec96bad1dfb8b8e3ee15c1209e920c9658b58944cced1c717a48

SHA512
28e01029b4356e7d3573877c802fda9a37fb0340e965f774349980014588b03f84dc43bfaf4e2fcad27e58d6c62afa3e7fb941d9e3a73283973cd76edccc0d11

Download Submit
memory/1592-2405-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3220-0-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/3220-1-0x00000000008E0000-0x00000000009DC000-memory.dmp

Filesize
1008KB

Download
memory/3220-2-0x0000000005340000-0x0000000005426000-memory.dmp

Filesize
920KB

Download
memory/3220-3-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3220-4-0x0000000005460000-0x0000000005546000-memory.dmp

Filesize
920KB

Download
memory/3220-18-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-32-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-44-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-56-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-68-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-66-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-64-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-62-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-60-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-58-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-52-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-50-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-48-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-46-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-42-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-40-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-38-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-36-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-34-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-30-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-28-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-26-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-54-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-24-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-22-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-20-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-16-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-14-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-12-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-10-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-8-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-6-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-5-0x0000000005460000-0x0000000005541000-memory.dmp

Filesize
900KB

Download
memory/3220-1181-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3220-1182-0x00000000055E0000-0x0000000005638000-memory.dmp

Filesize
352KB

Download
memory/3220-1183-0x0000000005640000-0x000000000568C000-memory.dmp

Filesize
304KB

Download
memory/3220-1184-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/3220-1185-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3220-1186-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3220-1187-0x0000000006030000-0x00000000065D4000-memory.dmp

Filesize
5.6MB

Download
memory/3220-1188-0x00000000058F0000-0x0000000005944000-memory.dmp

Filesize
336KB

Download
memory/3220-1194-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3220-1200-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3220-1204-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3220-1203-0x0000000002F44000-0x0000000002F45000-memory.dmp

Filesize
4KB

Download
memory/3220-1202-0x0000000002EEC000-0x0000000002EED000-memory.dmp

Filesize
4KB

Download
memory/4088-1209-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/4088-1210-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/4088-2387-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/4088-2388-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/4088-2389-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/4088-2390-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/4088-2396-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/4088-2406-0x000000000335E000-0x000000000335F000-memory.dmp

Filesize
4KB

Download
memory/4088-2404-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/4088-2407-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/4396-1201-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download