systembc | 3552afca2214180166dc53afd3588fc9de44e7bf5cf034d2622634ec53ffbd35

Analysis

max time kernel
101s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2023 15:35

Target

f89d628342ab6b02fb4e43b0959cffad.exe
Size

185KB
MD5

f89d628342ab6b02fb4e43b0959cffad
SHA1

ef346df6771087873a820f92c595d2ef42de4958
SHA256

3552afca2214180166dc53afd3588fc9de44e7bf5cf034d2622634ec53ffbd35
SHA512

65b7f3e89743f4937fba80bc2f535a74578d6c72377e041ff3a6bb642672b576de54c6c92e2fe35f8cb59278474d19d391f5593644aef0353f2896a4a175946d
SSDEEP

3072:t3USMV1WhtLYjE4QW5QNSmkKkb5fn/4pOSPCizVgrR4xWFZw/ZS7rsG:rMWLYjE7kCOuzVgV4m

Score

10^/10

systembc trojan

Family

systembc

109.205.214.18:443

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

Processes:

kthjg.exe

pid process

1272 kthjg.exe

pid	process
1272	kthjg.exe

Drops file in Windows directory 2 IoCs

Processes:

f89d628342ab6b02fb4e43b0959cffad.exe

description	ioc	process
File created	C:\Windows\Tasks\kthjg.job	f89d628342ab6b02fb4e43b0959cffad.exe
File opened for modification	C:\Windows\Tasks\kthjg.job	f89d628342ab6b02fb4e43b0959cffad.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1708 1300 WerFault.exe f89d628342ab6b02fb4e43b0959cffad.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f89d628342ab6b02fb4e43b0959cffad.exe

pid process

1300 f89d628342ab6b02fb4e43b0959cffad.exe
1300 f89d628342ab6b02fb4e43b0959cffad.exe

pid	pid_target	process	target process
1708	1300	WerFault.exe	f89d628342ab6b02fb4e43b0959cffad.exe

pid	process
1300	f89d628342ab6b02fb4e43b0959cffad.exe
1300	f89d628342ab6b02fb4e43b0959cffad.exe

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1300 -s 960
2⤵
- Program crash
PID:1708

C:\ProgramData\nnmxiu\kthjg.exe
C:\ProgramData\nnmxiu\kthjg.exe start
1⤵
- Executes dropped EXE
PID:1272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1300 -ip 1300
1⤵
PID:3676

C:\ProgramData\nnmxiu\kthjg.exe
Filesize
185KB

MD5
f89d628342ab6b02fb4e43b0959cffad

SHA1
ef346df6771087873a820f92c595d2ef42de4958

SHA256
3552afca2214180166dc53afd3588fc9de44e7bf5cf034d2622634ec53ffbd35

SHA512
65b7f3e89743f4937fba80bc2f535a74578d6c72377e041ff3a6bb642672b576de54c6c92e2fe35f8cb59278474d19d391f5593644aef0353f2896a4a175946d

Download Submit
C:\ProgramData\nnmxiu\kthjg.exe
Filesize
185KB

MD5
f89d628342ab6b02fb4e43b0959cffad

SHA1
ef346df6771087873a820f92c595d2ef42de4958

SHA256
3552afca2214180166dc53afd3588fc9de44e7bf5cf034d2622634ec53ffbd35

SHA512
65b7f3e89743f4937fba80bc2f535a74578d6c72377e041ff3a6bb642672b576de54c6c92e2fe35f8cb59278474d19d391f5593644aef0353f2896a4a175946d

Download Submit
memory/1272-138-0x00000000005C8000-0x00000000005D8000-memory.dmp

Filesize
64KB

Download
memory/1272-139-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1272-140-0x00000000005C8000-0x00000000005D8000-memory.dmp

Filesize
64KB

Download
memory/1300-133-0x0000000000600000-0x0000000000609000-memory.dmp

Filesize
36KB

Download
memory/1300-134-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1300-132-0x000000000069D000-0x00000000006AE000-memory.dmp

Filesize
68KB

Download
memory/1300-135-0x000000000069D000-0x00000000006AE000-memory.dmp

Filesize
68KB

Download
memory/1300-141-0x000000000069D000-0x00000000006AE000-memory.dmp

Filesize
68KB

Download