systembc | 46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 07:29

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General

Target

46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe
Size

893KB
MD5

6da3ec62800b295f92d268c84f121259
SHA1

4b4dc1a6f67769f726e89afbcc39d23bf38978b8
SHA256

46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937
SHA512

b788878965c65a89b688a610aed65e51efefe60c0dbd5f21a15ecde39479ca75e614f6d4ee29f0b2d438d1b55418f5b448f46a2e308c8d72b46c5be491188321
SSDEEP

24576:kCNgmMtTCrukMSZvRWDrlU/1TP477WS8Cy1IZVKU1WALQ2k:ymMBCrhMSpRW6tTl5mZ0jALQ

Score

10^/10

systembc discovery persistence trojan

Malware Config

Extracted

Family

systembc

claywyaeropumps.com

178.132.2.10

Attributes

dns
5.132.191.104

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs

description	pid	Process	procid_target
PID 1180 created 3372	1180	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe	55
PID 4324 created 3372	4324	pswebif.exe	55

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

Executes dropped EXE 3 IoCs

pid	Process
4324	pswebif.exe
2268	pswebif.exe
924	pswebif.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DiagsCap = "C:\\Users\\Admin\\AppData\\Roaming\\DiagsCap.exe"	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1180 set thread context of 4580	1180	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe	90
PID 4324 set thread context of 2268	4324	pswebif.exe	93

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Test Task17.job	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.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	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pswebif.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pswebif.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pswebif.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1180	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe
4324	pswebif.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1180	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe
Token: SeDebugPrivilege	1180	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe
Token: SeDebugPrivilege	4324	pswebif.exe
Token: SeDebugPrivilege	4324	pswebif.exe
Token: SeDebugPrivilege	924	pswebif.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 4580	1180	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe	90
PID 1180 wrote to memory of 4580	1180	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe	90
PID 1180 wrote to memory of 4580	1180	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe	90
PID 1180 wrote to memory of 4580	1180	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe	90
PID 1180 wrote to memory of 4580	1180	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe	90
PID 1180 wrote to memory of 4580	1180	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe	90
PID 1180 wrote to memory of 4580	1180	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe	90
PID 1180 wrote to memory of 4580	1180	46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe	90
PID 4324 wrote to memory of 2268	4324	pswebif.exe	93
PID 4324 wrote to memory of 2268	4324	pswebif.exe	93
PID 4324 wrote to memory of 2268	4324	pswebif.exe	93
PID 4324 wrote to memory of 2268	4324	pswebif.exe	93
PID 4324 wrote to memory of 2268	4324	pswebif.exe	93
PID 4324 wrote to memory of 2268	4324	pswebif.exe	93
PID 4324 wrote to memory of 2268	4324	pswebif.exe	93
PID 4324 wrote to memory of 2268	4324	pswebif.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3372
- C:\Users\Admin\AppData\Local\Temp\46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe
  "C:\Users\Admin\AppData\Local\Temp\46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1180
- C:\Users\Admin\AppData\Local\Temp\46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe
  "C:\Users\Admin\AppData\Local\Temp\46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:4580
- C:\ProgramData\rgvadk\pswebif.exe
  "C:\ProgramData\rgvadk\pswebif.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2268

C:\ProgramData\rgvadk\pswebif.exe
C:\ProgramData\rgvadk\pswebif.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:4324

C:\ProgramData\rgvadk\pswebif.exe
C:\ProgramData\rgvadk\pswebif.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\rgvadk\pswebif.exe

Filesize
893KB

MD5
6da3ec62800b295f92d268c84f121259

SHA1
4b4dc1a6f67769f726e89afbcc39d23bf38978b8

SHA256
46e0bbdbdffa58d201e3aa377f77d4f85a7704a60042eaf13d5cedf70808e937

SHA512
b788878965c65a89b688a610aed65e51efefe60c0dbd5f21a15ecde39479ca75e614f6d4ee29f0b2d438d1b55418f5b448f46a2e308c8d72b46c5be491188321

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

Filesize
240B

MD5
58724faf501ae223427f0a44053208df

SHA1
eeb6db4dfc4b1a1307066ed51969ba58f28edc7c

SHA256
adc39fc8559b2cb81b6b788e852defc4f84dc36b5fb97c3bd3802fd216db68f0

SHA512
b09fa332e9fca4aa7ecaa5c86b9a889412248eefe421fdcb9545f114c53c29f8873152b31a15368e71fc0c82fcb4ef8b087dff2805ce50a1eb4ae7031bbc52a6

Download Submit
memory/1180-0-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/1180-1-0x0000000000080000-0x0000000000166000-memory.dmp

Filesize
920KB

Download
memory/1180-2-0x0000000004E00000-0x0000000004EDC000-memory.dmp

Filesize
880KB

Download
memory/1180-58-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-60-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-62-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-66-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-135-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/1180-64-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-56-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-54-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-52-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-50-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-48-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-46-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-44-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-40-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-38-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-36-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-34-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-28-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-26-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-24-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-22-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-20-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-18-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-16-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-14-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-10-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-8-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-6-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-4-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-42-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-33-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-30-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-12-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-3-0x0000000004E00000-0x0000000004ED7000-memory.dmp

Filesize
860KB

Download
memory/1180-1078-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/1180-1079-0x00000000055A0000-0x00000000055F8000-memory.dmp

Filesize
352KB

Download
memory/1180-1080-0x0000000005630000-0x000000000567C000-memory.dmp

Filesize
304KB

Download
memory/1180-1084-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/1180-1085-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/1180-1086-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/1180-1087-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/1180-1088-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/1180-1089-0x0000000005FB0000-0x0000000006554000-memory.dmp

Filesize
5.6MB

Download
memory/1180-1090-0x0000000004AC0000-0x0000000004B14000-memory.dmp

Filesize
336KB

Download
memory/1180-1097-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/2268-2194-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4324-1102-0x00000000741BE000-0x00000000741BF000-memory.dmp

Filesize
4KB

Download
memory/4324-1103-0x00000000741B0000-0x0000000074960000-memory.dmp

Filesize
7.7MB

Download
memory/4324-2178-0x00000000741B0000-0x0000000074960000-memory.dmp

Filesize
7.7MB

Download
memory/4324-2182-0x00000000741B0000-0x0000000074960000-memory.dmp

Filesize
7.7MB

Download
memory/4324-2184-0x00000000741B0000-0x0000000074960000-memory.dmp

Filesize
7.7MB

Download
memory/4324-2183-0x00000000741B0000-0x0000000074960000-memory.dmp

Filesize
7.7MB

Download
memory/4324-2186-0x00000000741BE000-0x00000000741BF000-memory.dmp

Filesize
4KB

Download
memory/4324-2187-0x00000000741B0000-0x0000000074960000-memory.dmp

Filesize
7.7MB

Download
memory/4324-2196-0x00000000741B0000-0x0000000074960000-memory.dmp

Filesize
7.7MB

Download
memory/4580-1096-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download