systembc | 3c259a269cfbb752ca15046aca1bea4a31390e4674de632c5c9428e95b41db1d

Analysis

max time kernel
202s
max time network
208s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
04-08-2023 03:34

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General

Target

3c259a269cfbb752ca15046aca1bea4a31390e4674de632c5c9428e95b41db1d.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 2132 rundll32.exe

flow	pid	process
2	2132	rundll32.exe

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral1/memory/2132-56-0x000007FEF5170000-0x000007FEF5B38000-memory.dmp	vmprotect
behavioral1/memory/2132-91-0x000007FEF5170000-0x000007FEF5B38000-memory.dmp	vmprotect

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

2132 rundll32.exe
2132 rundll32.exe

pid	process
2132	rundll32.exe
2132	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3c259a269cfbb752ca15046aca1bea4a31390e4674de632c5c9428e95b41db1d.dll,#1
1⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:2132

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2132-54-0x0000000077980000-0x0000000077982000-memory.dmp

Filesize
8KB

Download
memory/2132-56-0x000007FEF5170000-0x000007FEF5B38000-memory.dmp

Filesize
9.8MB

Download
memory/2132-57-0x0000000077980000-0x0000000077982000-memory.dmp

Filesize
8KB

Download
memory/2132-59-0x0000000077980000-0x0000000077982000-memory.dmp

Filesize
8KB

Download
memory/2132-60-0x0000000077990000-0x0000000077992000-memory.dmp

Filesize
8KB

Download
memory/2132-62-0x0000000077990000-0x0000000077992000-memory.dmp

Filesize
8KB

Download
memory/2132-64-0x0000000077990000-0x0000000077992000-memory.dmp

Filesize
8KB

Download
memory/2132-65-0x00000000779A0000-0x00000000779A2000-memory.dmp

Filesize
8KB

Download
memory/2132-67-0x00000000779A0000-0x00000000779A2000-memory.dmp

Filesize
8KB

Download
memory/2132-69-0x00000000779A0000-0x00000000779A2000-memory.dmp

Filesize
8KB

Download
memory/2132-72-0x00000000779B0000-0x00000000779B2000-memory.dmp

Filesize
8KB

Download
memory/2132-70-0x00000000779B0000-0x00000000779B2000-memory.dmp

Filesize
8KB

Download
memory/2132-74-0x00000000779B0000-0x00000000779B2000-memory.dmp

Filesize
8KB

Download
memory/2132-77-0x000007FEFD970000-0x000007FEFD972000-memory.dmp

Filesize
8KB

Download
memory/2132-79-0x000007FEFD970000-0x000007FEFD972000-memory.dmp

Filesize
8KB

Download
memory/2132-82-0x000007FEFD980000-0x000007FEFD982000-memory.dmp

Filesize
8KB

Download
memory/2132-84-0x000007FEFD980000-0x000007FEFD982000-memory.dmp

Filesize
8KB

Download
memory/2132-85-0x00000000779C0000-0x00000000779C2000-memory.dmp

Filesize
8KB

Download
memory/2132-87-0x00000000779C0000-0x00000000779C2000-memory.dmp

Filesize
8KB

Download
memory/2132-90-0x00000000777D0000-0x0000000077979000-memory.dmp

Filesize
1.7MB

Download
memory/2132-89-0x00000000779C0000-0x00000000779C2000-memory.dmp

Filesize
8KB

Download
memory/2132-91-0x000007FEF5170000-0x000007FEF5B38000-memory.dmp

Filesize
9.8MB

Download
memory/2132-92-0x00000000777D0000-0x0000000077979000-memory.dmp

Filesize
1.7MB

Download