systembc | 3c259a269cfbb752ca15046aca1bea4a31390e4674de632c5c9428e95b41db1d

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
04-08-2023 14:26

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General

Target

3c259a269cfbb752ca15046aca1bea4a31390e4674de632c5c9428e95b41db1dexe_JC.dll
Size

5.8MB
MD5

85f8ed9c9f364b28d64e94075896df07
SHA1

bc4d807af87e7c0b274b8d4661183e1628de78f7
SHA256

3c259a269cfbb752ca15046aca1bea4a31390e4674de632c5c9428e95b41db1d
SHA512

2472b9db9872e0f74d59a75870f5d67c3daf5f99687538acb2e307e4e5bb3cb01ce7aec28fe911cfc4d77516b5aeaf477acaf7230723fb3d9b6fe1434eb07ae7
SSDEEP

98304:zikl1o/34cA08Fu4fZBgNL7bQMla48Llu8EAANISPatiDySc3L4uQbR:DFbRm/QMcu8qn4r5K

Score

10^/10

systembc trojan vmprotect

Malware Config

Extracted

Family

systembc

5.42.65.67:4298

localhost.exchange:4298

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

2 368 rundll32.exe

flow	pid	process
2	368	rundll32.exe

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral1/memory/368-57-0x000007FEF5360000-0x000007FEF5D28000-memory.dmp	vmprotect
behavioral1/memory/368-91-0x000007FEF5360000-0x000007FEF5D28000-memory.dmp	vmprotect

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

368 rundll32.exe
368 rundll32.exe

pid	process
368	rundll32.exe
368	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c259a269cfbb752ca15046aca1bea4a31390e4674de632c5c9428e95b41db1dexe_JC.dll,#1
1⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:368

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/368-54-0x0000000077AB0000-0x0000000077AB2000-memory.dmp

Filesize
8KB

Download
memory/368-57-0x000007FEF5360000-0x000007FEF5D28000-memory.dmp

Filesize
9.8MB

Download
memory/368-56-0x0000000077AB0000-0x0000000077AB2000-memory.dmp

Filesize
8KB

Download
memory/368-59-0x0000000077AB0000-0x0000000077AB2000-memory.dmp

Filesize
8KB

Download
memory/368-62-0x0000000077AC0000-0x0000000077AC2000-memory.dmp

Filesize
8KB

Download
memory/368-60-0x0000000077AC0000-0x0000000077AC2000-memory.dmp

Filesize
8KB

Download
memory/368-64-0x0000000077AC0000-0x0000000077AC2000-memory.dmp

Filesize
8KB

Download
memory/368-65-0x0000000077AD0000-0x0000000077AD2000-memory.dmp

Filesize
8KB

Download
memory/368-67-0x0000000077AD0000-0x0000000077AD2000-memory.dmp

Filesize
8KB

Download
memory/368-69-0x0000000077AD0000-0x0000000077AD2000-memory.dmp

Filesize
8KB

Download
memory/368-70-0x0000000077AE0000-0x0000000077AE2000-memory.dmp

Filesize
8KB

Download
memory/368-72-0x0000000077AE0000-0x0000000077AE2000-memory.dmp

Filesize
8KB

Download
memory/368-74-0x0000000077AE0000-0x0000000077AE2000-memory.dmp

Filesize
8KB

Download
memory/368-77-0x000007FEFD9A0000-0x000007FEFD9A2000-memory.dmp

Filesize
8KB

Download
memory/368-79-0x000007FEFD9A0000-0x000007FEFD9A2000-memory.dmp

Filesize
8KB

Download
memory/368-82-0x000007FEFD9B0000-0x000007FEFD9B2000-memory.dmp

Filesize
8KB

Download
memory/368-84-0x000007FEFD9B0000-0x000007FEFD9B2000-memory.dmp

Filesize
8KB

Download
memory/368-85-0x0000000077AF0000-0x0000000077AF2000-memory.dmp

Filesize
8KB

Download
memory/368-87-0x0000000077AF0000-0x0000000077AF2000-memory.dmp

Filesize
8KB

Download
memory/368-91-0x000007FEF5360000-0x000007FEF5D28000-memory.dmp

Filesize
9.8MB

Download
memory/368-90-0x0000000077900000-0x0000000077AA9000-memory.dmp

Filesize
1.7MB

Download
memory/368-89-0x0000000077AF0000-0x0000000077AF2000-memory.dmp

Filesize
8KB

Download
memory/368-92-0x0000000077900000-0x0000000077AA9000-memory.dmp

Filesize
1.7MB

Download