systembc | 6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59

Analysis

max time kernel
72s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2022 12:25

Target

6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59.exe
Size

153KB
MD5

a20d99e025fb23ba51d38a975bc10de5
SHA1

6d58a7dc6f4e84ed6cf70fb154e6af3193ff4045
SHA256

6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59
SHA512

a99ea0bc3d947e5048d92f8e5bdf1745c5d428f2934e29cb2d4f7d3bea029a467e01f28fdc5f09390141b80ad80e016b5b9171fb3b4bf2bd0e0a84a6d9328198
SSDEEP

3072:lbUHG5euMB5Y7S8TmACM+nhICbBUw3r5x:0uqYe8qAbCTz

Score

10^/10

systembc trojan

Family

systembc

141.98.82.229:4001

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
Executes dropped EXE 1 IoCs

Processes:

wkdwn.exe

pid process

1256 wkdwn.exe

pid	process
1256	wkdwn.exe

Drops file in Windows directory 2 IoCs

Processes:

6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59.exe

description	ioc	process
File opened for modification	C:\Windows\Tasks\wkdwn.job	6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59.exe
File created	C:\Windows\Tasks\wkdwn.job	6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3740 2812 WerFault.exe 6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59.exe

pid	pid_target	process	target process
3740	2812	WerFault.exe	6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59.exe

pid	process
2812	6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59.exe
2812	6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59.exe

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 940
2⤵
- Program crash
PID:3740

C:\ProgramData\hqeovmt\wkdwn.exe
C:\ProgramData\hqeovmt\wkdwn.exe start
1⤵
- Executes dropped EXE
PID:1256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2812 -ip 2812
1⤵
PID:4444

C:\ProgramData\hqeovmt\wkdwn.exe
Filesize
153KB

MD5
a20d99e025fb23ba51d38a975bc10de5

SHA1
6d58a7dc6f4e84ed6cf70fb154e6af3193ff4045

SHA256
6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59

SHA512
a99ea0bc3d947e5048d92f8e5bdf1745c5d428f2934e29cb2d4f7d3bea029a467e01f28fdc5f09390141b80ad80e016b5b9171fb3b4bf2bd0e0a84a6d9328198

Download Submit
C:\ProgramData\hqeovmt\wkdwn.exe
Filesize
153KB

MD5
a20d99e025fb23ba51d38a975bc10de5

SHA1
6d58a7dc6f4e84ed6cf70fb154e6af3193ff4045

SHA256
6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59

SHA512
a99ea0bc3d947e5048d92f8e5bdf1745c5d428f2934e29cb2d4f7d3bea029a467e01f28fdc5f09390141b80ad80e016b5b9171fb3b4bf2bd0e0a84a6d9328198

Download Submit
memory/1256-137-0x0000000000923000-0x0000000000933000-memory.dmp

Filesize
64KB

Download
memory/1256-138-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download
memory/2812-132-0x0000000000628000-0x0000000000639000-memory.dmp

Filesize
68KB

Download
memory/2812-133-0x0000000000600000-0x0000000000609000-memory.dmp

Filesize
36KB

Download
memory/2812-134-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download
memory/2812-139-0x0000000000628000-0x0000000000639000-memory.dmp

Filesize
68KB

Download