systembc | 90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882

Resubmissions

11-04-2024 09:02

240411-kzhm3agc46 10

11-04-2024 09:00

11-04-2024 09:00

11-04-2024 09:00

11-04-2024 09:00

Analysis

max time kernel
304s
max time network
310s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
11-04-2024 09:00

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General

Target

90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe
Size

87KB
MD5

c130eba9ff855403a69ec4adc6ae5db0
SHA1

71c0f3213e23fc9f1c0c5d14c0095c6b59aa7446
SHA256

90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882
SHA512

35308bf15552b0168488eb0dfcf7fac077f79626d9e684a5bd57004d87d7e06ae5aa0c348d9866ccb6aa2e190d3727b8cde5b744f6c5ac5be4ab1aad452e6586
SSDEEP

1536:W5EJWKBv3LO18kUP7cnPouPJnVlPSuENQYkPnZzR5g3f:WGBvLOikUP7mvEEnZzR5G

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

asdasd08.com:4039

asdasd08.xyz:4039

Signatures

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

Processes:

eldu.exe

pid process

3020 eldu.exe
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

6 api.ipify.org
7 api.ipify.org
Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.

Proxy
T1090

pid	process
3020	eldu.exe

flow	ioc
6	api.ipify.org
7	api.ipify.org

Drops file in Windows directory 2 IoCs

Processes:

90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe

description	ioc	process
File created	C:\Windows\Tasks\eldu.job	90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe
File opened for modification	C:\Windows\Tasks\eldu.job	90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe

pid	process
3148	90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe
3148	90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe

C:\Users\Admin\AppData\Local\Temp\90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe
"C:\Users\Admin\AppData\Local\Temp\90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:3148

C:\ProgramData\olciuos\eldu.exe
C:\ProgramData\olciuos\eldu.exe start
1⤵
- Executes dropped EXE
PID:3020

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Proxy

T1090

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\olciuos\eldu.exe
Filesize
87KB

MD5
c130eba9ff855403a69ec4adc6ae5db0

SHA1
71c0f3213e23fc9f1c0c5d14c0095c6b59aa7446

SHA256
90334ecb93afa6abb9d5739738b4b03437b0ee1829253bb3c4b966a1bf9f3882

SHA512
35308bf15552b0168488eb0dfcf7fac077f79626d9e684a5bd57004d87d7e06ae5aa0c348d9866ccb6aa2e190d3727b8cde5b744f6c5ac5be4ab1aad452e6586

Download Submit
memory/3020-11-0x00000000030E0000-0x00000000031E0000-memory.dmp

Filesize
1024KB

Download
memory/3020-12-0x0000000000400000-0x0000000002FA1000-memory.dmp

Filesize
43.6MB

Download
memory/3020-18-0x00000000030E0000-0x00000000031E0000-memory.dmp

Filesize
1024KB

Download
memory/3148-1-0x0000000003150000-0x0000000003250000-memory.dmp

Filesize
1024KB

Download
memory/3148-2-0x0000000003010000-0x0000000003019000-memory.dmp

Filesize
36KB

Download
memory/3148-3-0x0000000000400000-0x0000000002FA1000-memory.dmp

Filesize
43.6MB

Download
memory/3148-13-0x0000000003150000-0x0000000003250000-memory.dmp

Filesize
1024KB

Download