systembc | 7b13d5cea1797ed426be734ac146c7d07eccc743ab41ee2be7134f73a6905836

Analysis

max time kernel
31s
max time network
33s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
23-06-2023 13:00

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General

Target

1332-55-0x000007FEF61C0000-0x000007FEF66F2000-memory.dll
Size

5.2MB
MD5

568a4056b2be640984ab8e3693b8605f
SHA1

619143881538ae925d4b3bbd36cada5581b4c8af
SHA256

7b13d5cea1797ed426be734ac146c7d07eccc743ab41ee2be7134f73a6905836
SHA512

8d908573d5863f0993e627cdf571b79e8df62d5dba32ee3352651fa4bab1ccde294f759cac0d6052818ea89e3deb422e06797f336f346d6cde54235ec50e2123
SSDEEP

98304:WjpVT7uv9amcCivg0pPb+/I+nuGBQ1ruWBW:WjruvoCiBpPK/DuUWBW

Score

10^/10

systembc themida trojan

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

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2028-55-0x000007FEF6080000-0x000007FEF65B2000-memory.dmp	themida

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1092 2028 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1092	2028	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2028 wrote to memory of 1092	2028	rundll32.exe	WerFault.exe
PID 2028 wrote to memory of 1092	2028	rundll32.exe	WerFault.exe
PID 2028 wrote to memory of 1092	2028	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1332-55-0x000007FEF61C0000-0x000007FEF66F2000-memory.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2028 -s 56
2⤵
- Program crash
PID:1092

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2028-54-0x000007FEF65C0000-0x000007FEF6AF2000-memory.dmp

Filesize
5.2MB

Download
memory/2028-55-0x000007FEF6080000-0x000007FEF65B2000-memory.dmp

Filesize
5.2MB

Download