systembc | 6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59 | Triage

Analysis

max time kernel
205s
max time network
209s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
07-05-2023 05:15

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General

Target

a20d99e025fb23ba51d38a975bc10de5.exe
Size

153KB
MD5

a20d99e025fb23ba51d38a975bc10de5
SHA1

6d58a7dc6f4e84ed6cf70fb154e6af3193ff4045
SHA256

6278b1a4d8a19c7ac40ee309c100924427fb35028f3eadb96112c9b70c3a0d59
SHA512

a99ea0bc3d947e5048d92f8e5bdf1745c5d428f2934e29cb2d4f7d3bea029a467e01f28fdc5f09390141b80ad80e016b5b9171fb3b4bf2bd0e0a84a6d9328198
SSDEEP

3072:lbUHG5euMB5Y7S8TmACM+nhICbBUw3r5x:0uqYe8qAbCTz

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

C2

141.98.82.229:4001

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc

Drops file in Windows directory 2 IoCs

Processes:

a20d99e025fb23ba51d38a975bc10de5.exe

description	ioc	process
File opened for modification	C:\Windows\Tasks\omnaa.job	a20d99e025fb23ba51d38a975bc10de5.exe
File created	C:\Windows\Tasks\omnaa.job	a20d99e025fb23ba51d38a975bc10de5.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4624 2104 WerFault.exe a20d99e025fb23ba51d38a975bc10de5.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a20d99e025fb23ba51d38a975bc10de5.exe

pid process

2104 a20d99e025fb23ba51d38a975bc10de5.exe
2104 a20d99e025fb23ba51d38a975bc10de5.exe

C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe
"C:\Users\Admin\AppData\Local\Temp\a20d99e025fb23ba51d38a975bc10de5.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:2104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 488
2⤵
- Program crash
PID:4624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2104 -ip 2104
1⤵
PID:2276

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2104-134-0x00000000022C0000-0x00000000022C9000-memory.dmp

Filesize
36KB

Download
memory/2104-135-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download