systembc | 30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a

Analysis

max time kernel
132s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
18-01-2025 22:36

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General

Target

30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe
Size

1.2MB
MD5

a50e232d3a5a725cf8324977ce2cc2ec
SHA1

6f663cc2a2df04cab4e84048674d118742bf9b55
SHA256

30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a
SHA512

60b4f15cfeaaa1dd3ffbbb7efc5750272c26d658767ca4d4e493d8c437a222502ec6f017b96155a80d6e9f7f54835880ff7018169ee24856b9c64befca7f06ef
SSDEEP

24576:1dMkfr422JUVryvPAD37f3rZzKbCHS6F+dbAdpBzahM:zfrJWEyvPAnf3rZWmyIy

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 2860 created 3272	2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe	52
PID 3628 created 3272	3628	chdifqi.exe	52

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\winhubt.vbs	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe

Executes dropped EXE 3 IoCs

pid	Process
3628	chdifqi.exe
1212	chdifqi.exe
2820	chdifqi.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2860 set thread context of 1216	2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe	77
PID 3628 set thread context of 1212	3628	chdifqi.exe	79

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Test Task17.job	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.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	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chdifqi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chdifqi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chdifqi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe
2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe
2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe
3628	chdifqi.exe
3628	chdifqi.exe
3628	chdifqi.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe
Token: SeDebugPrivilege	2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe
Token: SeDebugPrivilege	3628	chdifqi.exe
Token: SeDebugPrivilege	3628	chdifqi.exe
Token: SeDebugPrivilege	2820	chdifqi.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 1216	2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe	77
PID 2860 wrote to memory of 1216	2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe	77
PID 2860 wrote to memory of 1216	2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe	77
PID 2860 wrote to memory of 1216	2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe	77
PID 2860 wrote to memory of 1216	2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe	77
PID 2860 wrote to memory of 1216	2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe	77
PID 2860 wrote to memory of 1216	2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe	77
PID 2860 wrote to memory of 1216	2860	30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe	77
PID 3628 wrote to memory of 1212	3628	chdifqi.exe	79
PID 3628 wrote to memory of 1212	3628	chdifqi.exe	79
PID 3628 wrote to memory of 1212	3628	chdifqi.exe	79
PID 3628 wrote to memory of 1212	3628	chdifqi.exe	79
PID 3628 wrote to memory of 1212	3628	chdifqi.exe	79
PID 3628 wrote to memory of 1212	3628	chdifqi.exe	79
PID 3628 wrote to memory of 1212	3628	chdifqi.exe	79
PID 3628 wrote to memory of 1212	3628	chdifqi.exe	79

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3272
- C:\Users\Admin\AppData\Local\Temp\30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe
  "C:\Users\Admin\AppData\Local\Temp\30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.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:2860
- C:\Users\Admin\AppData\Local\Temp\30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe
  "C:\Users\Admin\AppData\Local\Temp\30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:1216
- C:\ProgramData\edeh\chdifqi.exe
  "C:\ProgramData\edeh\chdifqi.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1212

C:\ProgramData\edeh\chdifqi.exe
C:\ProgramData\edeh\chdifqi.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:3628

C:\ProgramData\edeh\chdifqi.exe
C:\ProgramData\edeh\chdifqi.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2820

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\edeh\chdifqi.exe

Filesize
1.2MB

MD5
a50e232d3a5a725cf8324977ce2cc2ec

SHA1
6f663cc2a2df04cab4e84048674d118742bf9b55

SHA256
30fee1328110552c83645241f3ebbfb3e743182c9c08d5259cec20941c5c0f4a

SHA512
60b4f15cfeaaa1dd3ffbbb7efc5750272c26d658767ca4d4e493d8c437a222502ec6f017b96155a80d6e9f7f54835880ff7018169ee24856b9c64befca7f06ef

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

Filesize
236B

MD5
656aa058952b00e30c5b784c324aff3d

SHA1
cf9ead5826c3a416e35a947c77c2dc9bdeec5e41

SHA256
5ce38465fbff387fc8239ae985bac0bbc8e7be90e1dc82843c174440c23ff288

SHA512
441de8f0a4f4fa972594a9310b27f9ad543540afeaa4bb569d5c443b8714fc27c1d22b2fef7d7c70872ff00c4788ba1a27219e28b597b8dd8e0ba134848b3a49

Download Submit
memory/1212-2699-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1216-1349-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2860-0-0x00000000747BE000-0x00000000747BF000-memory.dmp

Filesize
4KB

Download
memory/2860-1-0x00000000000F0000-0x0000000000228000-memory.dmp

Filesize
1.2MB

Download
memory/2860-2-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/2860-3-0x0000000004C20000-0x0000000004D1E000-memory.dmp

Filesize
1016KB

Download
memory/2860-4-0x0000000004D90000-0x0000000004E8E000-memory.dmp

Filesize
1016KB

Download
memory/2860-5-0x0000000005450000-0x00000000059F6000-memory.dmp

Filesize
5.6MB

Download
memory/2860-6-0x0000000004FA0000-0x0000000005032000-memory.dmp

Filesize
584KB

Download
memory/2860-18-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-24-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-70-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-68-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-66-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-64-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-62-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-60-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-58-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-56-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-52-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-46-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-44-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-42-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-36-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-34-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-32-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-30-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-28-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-26-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-22-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-20-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-16-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-14-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-54-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-12-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-50-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-48-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-10-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-40-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-38-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-8-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-7-0x0000000004D90000-0x0000000004E89000-memory.dmp

Filesize
996KB

Download
memory/2860-1329-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/2860-1330-0x0000000005090000-0x00000000050E8000-memory.dmp

Filesize
352KB

Download
memory/2860-1331-0x0000000005260000-0x00000000052B6000-memory.dmp

Filesize
344KB

Download
memory/2860-1332-0x00000000052C0000-0x000000000530C000-memory.dmp

Filesize
304KB

Download
memory/2860-1333-0x00000000747BE000-0x00000000747BF000-memory.dmp

Filesize
4KB

Download
memory/2860-1334-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/2860-1335-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/2860-1336-0x0000000005350000-0x00000000053A4000-memory.dmp

Filesize
336KB

Download
memory/2860-1344-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/2860-1351-0x00000000028BD000-0x00000000028BE000-memory.dmp

Filesize
4KB

Download
memory/2860-1352-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/2860-1350-0x00000000028B6000-0x00000000028B7000-memory.dmp

Filesize
4KB

Download
memory/2860-1342-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/3628-1357-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/3628-2680-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/3628-2681-0x00000000747BE000-0x00000000747BF000-memory.dmp

Filesize
4KB

Download
memory/3628-2682-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/3628-2683-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/3628-2689-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/3628-2700-0x00000000032C2000-0x00000000032C3000-memory.dmp

Filesize
4KB

Download
memory/3628-2698-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download
memory/3628-2697-0x00000000747B0000-0x0000000074F61000-memory.dmp

Filesize
7.7MB

Download