systembc | 318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd

Resubmissions

18/04/2024, 11:20

240418-nfk6macg3w10

18/04/2024, 11:20

18/04/2024, 11:20

18/04/2024, 11:20

18/04/2024, 11:20

18/04/2024, 09:59

Analysis

max time kernel
1197s
max time network
1202s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
18/04/2024, 11:20

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Report Analysis Logs

General

Target
318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe
Size 350KB
Sample240418-nfheqsbd89
SHA256 318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd
MD5 0dc61438b79668900bd081bac6109760
SHA1 2ee66fd972c2d28ad30775971ba95056951910f0
SHA512 467b352ce6188e6126050c229cd47b526e83ef3535449c3f02b70491e159523d7cc8ebb28caab4e8d98627a22a0af1faf13b134072309dfe56ad175d18177ca7
SSDEEP 6144:RoX0oZ+rm/OV6ZH7XYuB4xpuMadbr2X3f+gOkXdhFr:Ry0xrm/h7XYuWCMaV2XWgO8hFr
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

knock0909.monster:4035
knock0909.xyz:4035

Signatures

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

Executes dropped EXE 22 IoCs

pid	Process
1748	shqwsu.exe
2332	shqwsu.exe
4720	shqwsu.exe
2924	shqwsu.exe
4064	shqwsu.exe
1620	shqwsu.exe
1928	shqwsu.exe
1712	shqwsu.exe
404	shqwsu.exe
4420	shqwsu.exe
2724	shqwsu.exe
2100	shqwsu.exe
2508	shqwsu.exe
2992	shqwsu.exe
3332	shqwsu.exe
2220	shqwsu.exe
4476	shqwsu.exe
3788	shqwsu.exe
1448	shqwsu.exe
2448	shqwsu.exe
3504	shqwsu.exe
4456	shqwsu.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.ipify.org
4	api.ipify.org

Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.

Proxy
T1090

Suspicious use of SetThreadContext 12 IoCs

description	pid	Process	procid_target
PID 1968 set thread context of 4656	1968	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe	84
PID 1748 set thread context of 2332	1748	shqwsu.exe	86
PID 4720 set thread context of 2924	4720	shqwsu.exe	96
PID 4064 set thread context of 1620	4064	shqwsu.exe	101
PID 1928 set thread context of 1712	1928	shqwsu.exe	103
PID 404 set thread context of 4420	404	shqwsu.exe	105
PID 2724 set thread context of 2100	2724	shqwsu.exe	107
PID 2508 set thread context of 2992	2508	shqwsu.exe	109
PID 3332 set thread context of 2220	3332	shqwsu.exe	111
PID 4476 set thread context of 3788	4476	shqwsu.exe	113
PID 1448 set thread context of 2448	1448	shqwsu.exe	115
PID 3504 set thread context of 4456	3504	shqwsu.exe	117

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\shqwsu.job	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe
File opened for modification	C:\Windows\Tasks\shqwsu.job	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4656	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe
4656	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 4656	1968	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe	84
PID 1968 wrote to memory of 4656	1968	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe	84
PID 1968 wrote to memory of 4656	1968	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe	84
PID 1968 wrote to memory of 4656	1968	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe	84
PID 1968 wrote to memory of 4656	1968	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe	84
PID 1968 wrote to memory of 4656	1968	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe	84
PID 1968 wrote to memory of 4656	1968	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe	84
PID 1968 wrote to memory of 4656	1968	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe	84
PID 1968 wrote to memory of 4656	1968	318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe	84
PID 1748 wrote to memory of 2332	1748	shqwsu.exe	86
PID 1748 wrote to memory of 2332	1748	shqwsu.exe	86
PID 1748 wrote to memory of 2332	1748	shqwsu.exe	86
PID 1748 wrote to memory of 2332	1748	shqwsu.exe	86
PID 1748 wrote to memory of 2332	1748	shqwsu.exe	86
PID 1748 wrote to memory of 2332	1748	shqwsu.exe	86
PID 1748 wrote to memory of 2332	1748	shqwsu.exe	86
PID 1748 wrote to memory of 2332	1748	shqwsu.exe	86
PID 1748 wrote to memory of 2332	1748	shqwsu.exe	86
PID 4720 wrote to memory of 2924	4720	shqwsu.exe	96
PID 4720 wrote to memory of 2924	4720	shqwsu.exe	96
PID 4720 wrote to memory of 2924	4720	shqwsu.exe	96
PID 4720 wrote to memory of 2924	4720	shqwsu.exe	96
PID 4720 wrote to memory of 2924	4720	shqwsu.exe	96
PID 4720 wrote to memory of 2924	4720	shqwsu.exe	96
PID 4720 wrote to memory of 2924	4720	shqwsu.exe	96
PID 4720 wrote to memory of 2924	4720	shqwsu.exe	96
PID 4720 wrote to memory of 2924	4720	shqwsu.exe	96
PID 4064 wrote to memory of 1620	4064	shqwsu.exe	101
PID 4064 wrote to memory of 1620	4064	shqwsu.exe	101
PID 4064 wrote to memory of 1620	4064	shqwsu.exe	101
PID 4064 wrote to memory of 1620	4064	shqwsu.exe	101
PID 4064 wrote to memory of 1620	4064	shqwsu.exe	101
PID 4064 wrote to memory of 1620	4064	shqwsu.exe	101
PID 4064 wrote to memory of 1620	4064	shqwsu.exe	101
PID 4064 wrote to memory of 1620	4064	shqwsu.exe	101
PID 4064 wrote to memory of 1620	4064	shqwsu.exe	101
PID 1928 wrote to memory of 1712	1928	shqwsu.exe	103
PID 1928 wrote to memory of 1712	1928	shqwsu.exe	103
PID 1928 wrote to memory of 1712	1928	shqwsu.exe	103
PID 1928 wrote to memory of 1712	1928	shqwsu.exe	103
PID 1928 wrote to memory of 1712	1928	shqwsu.exe	103
PID 1928 wrote to memory of 1712	1928	shqwsu.exe	103
PID 1928 wrote to memory of 1712	1928	shqwsu.exe	103
PID 1928 wrote to memory of 1712	1928	shqwsu.exe	103
PID 1928 wrote to memory of 1712	1928	shqwsu.exe	103
PID 404 wrote to memory of 4420	404	shqwsu.exe	105
PID 404 wrote to memory of 4420	404	shqwsu.exe	105
PID 404 wrote to memory of 4420	404	shqwsu.exe	105
PID 404 wrote to memory of 4420	404	shqwsu.exe	105
PID 404 wrote to memory of 4420	404	shqwsu.exe	105
PID 404 wrote to memory of 4420	404	shqwsu.exe	105
PID 404 wrote to memory of 4420	404	shqwsu.exe	105
PID 404 wrote to memory of 4420	404	shqwsu.exe	105
PID 404 wrote to memory of 4420	404	shqwsu.exe	105
PID 2724 wrote to memory of 2100	2724	shqwsu.exe	107
PID 2724 wrote to memory of 2100	2724	shqwsu.exe	107
PID 2724 wrote to memory of 2100	2724	shqwsu.exe	107
PID 2724 wrote to memory of 2100	2724	shqwsu.exe	107
PID 2724 wrote to memory of 2100	2724	shqwsu.exe	107
PID 2724 wrote to memory of 2100	2724	shqwsu.exe	107
PID 2724 wrote to memory of 2100	2724	shqwsu.exe	107
PID 2724 wrote to memory of 2100	2724	shqwsu.exe	107
PID 2724 wrote to memory of 2100	2724	shqwsu.exe	107
PID 2508 wrote to memory of 2992	2508	shqwsu.exe	109

C:\Users\Admin\AppData\Local\Temp\318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe
"C:\Users\Admin\AppData\Local\Temp\318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe
  "C:\Users\Admin\AppData\Local\Temp\318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  PID:4656

C:\ProgramData\ppduf\shqwsu.exe
C:\ProgramData\ppduf\shqwsu.exe start
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1748
- C:\ProgramData\ppduf\shqwsu.exe
  C:\ProgramData\ppduf\shqwsu.exe start
  2⤵
  - Executes dropped EXE
  PID:2332

C:\ProgramData\ppduf\shqwsu.exe
C:\ProgramData\ppduf\shqwsu.exe start
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4720
- C:\ProgramData\ppduf\shqwsu.exe
  C:\ProgramData\ppduf\shqwsu.exe start
  2⤵
  - Executes dropped EXE
  PID:2924

C:\ProgramData\ppduf\shqwsu.exe
C:\ProgramData\ppduf\shqwsu.exe start
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4064
- C:\ProgramData\ppduf\shqwsu.exe
  C:\ProgramData\ppduf\shqwsu.exe start
  2⤵
  - Executes dropped EXE
  PID:1620

C:\ProgramData\ppduf\shqwsu.exe
C:\ProgramData\ppduf\shqwsu.exe start
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1928
- C:\ProgramData\ppduf\shqwsu.exe
  C:\ProgramData\ppduf\shqwsu.exe start
  2⤵
  - Executes dropped EXE
  PID:1712

C:\ProgramData\ppduf\shqwsu.exe
C:\ProgramData\ppduf\shqwsu.exe start
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:404
- C:\ProgramData\ppduf\shqwsu.exe
  C:\ProgramData\ppduf\shqwsu.exe start
  2⤵
  - Executes dropped EXE
  PID:4420

C:\ProgramData\ppduf\shqwsu.exe
C:\ProgramData\ppduf\shqwsu.exe start
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2724
- C:\ProgramData\ppduf\shqwsu.exe
  C:\ProgramData\ppduf\shqwsu.exe start
  2⤵
  - Executes dropped EXE
  PID:2100

C:\ProgramData\ppduf\shqwsu.exe
C:\ProgramData\ppduf\shqwsu.exe start
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2508
- C:\ProgramData\ppduf\shqwsu.exe
  C:\ProgramData\ppduf\shqwsu.exe start
  2⤵
  - Executes dropped EXE
  PID:2992

C:\ProgramData\ppduf\shqwsu.exe
C:\ProgramData\ppduf\shqwsu.exe start
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:3332
- C:\ProgramData\ppduf\shqwsu.exe
  C:\ProgramData\ppduf\shqwsu.exe start
  2⤵
  - Executes dropped EXE
  PID:2220

C:\ProgramData\ppduf\shqwsu.exe
C:\ProgramData\ppduf\shqwsu.exe start
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:4476
- C:\ProgramData\ppduf\shqwsu.exe
  C:\ProgramData\ppduf\shqwsu.exe start
  2⤵
  - Executes dropped EXE
  PID:3788

C:\ProgramData\ppduf\shqwsu.exe
C:\ProgramData\ppduf\shqwsu.exe start
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:1448
- C:\ProgramData\ppduf\shqwsu.exe
  C:\ProgramData\ppduf\shqwsu.exe start
  2⤵
  - Executes dropped EXE
  PID:2448

C:\ProgramData\ppduf\shqwsu.exe
C:\ProgramData\ppduf\shqwsu.exe start
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:3504
- C:\ProgramData\ppduf\shqwsu.exe
  C:\ProgramData\ppduf\shqwsu.exe start
  2⤵
  - Executes dropped EXE
  PID:4456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Proxy

T1090

Exfiltration

Impact

Replay Monitor

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Downloads

shqwsu.exe

Path C:\ProgramData\ppduf\shqwsu.exe
Size 350KB
SHA256 318e0bd67ccbf40f50b848831fb2885b161e68acdfaaa0c619c79b3912af2ecd
MD5 0dc61438b79668900bd081bac6109760
SHA1 2ee66fd972c2d28ad30775971ba95056951910f0
SHA512 467b352ce6188e6126050c229cd47b526e83ef3535449c3f02b70491e159523d7cc8ebb28caab4e8d98627a22a0af1faf13b134072309dfe56ad175d18177ca7
SSDEEP 6144:RoX0oZ+rm/OV6ZH7XYuB4xpuMadbr2X3f+gOkXdhFr:Ry0xrm/h7XYuWCMaV2XWgO8hFr
MD5 SHA1 SHA512 SSDEEP

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memory/404-117-0x0000000000EC0000-0x0000000000FC0000-memory.dmp

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memory/1448-252-0x0000000000DB0000-0x0000000000EB0000-memory.dmp

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memory/1748-14-0x0000000000D40000-0x0000000000E40000-memory.dmp

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memory/1928-90-0x0000000000E10000-0x0000000000F10000-memory.dmp

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memory/1968-2-0x0000000000C80000-0x0000000000C8A000-memory.dmp

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memory/1968-1-0x0000000000EC0000-0x0000000000FC0000-memory.dmp

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memory/2508-171-0x0000000000D60000-0x0000000000E60000-memory.dmp

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memory/2724-144-0x0000000000EC0000-0x0000000000FC0000-memory.dmp

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memory/3332-198-0x0000000000D60000-0x0000000000E60000-memory.dmp

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memory/3504-279-0x0000000000D10000-0x0000000000E10000-memory.dmp

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memory/4064-62-0x0000000000E30000-0x0000000000F30000-memory.dmp

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memory/4476-224-0x0000000000F00000-0x0000000001000000-memory.dmp

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memory/4656-12-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/4656-5-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/4656-3-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/4720-36-0x0000000000E70000-0x0000000000F70000-memory.dmp

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