systembc | d0d3a4d35f46f3a7ed5ef913b46afdcf80e2ed2a226a20cbec81115454f27dd3

General

Target

d0d3a4d35f46f3a7ed5ef913b46afdcf80e2ed2a226a20cbec81115454f27dd3.exe
Size

168KB
MD5

2d8166616d74027c23e29f30b41922cb
SHA1

7ab3a4dd77bb7716bf3d7c106e447108796a70b6
SHA256

d0d3a4d35f46f3a7ed5ef913b46afdcf80e2ed2a226a20cbec81115454f27dd3
SHA512

24cfe8f631a2643b4d166bcf41b79839f71df9a1bd52563742c5fb917d4d130f2784848e750b70d1e441e17339b9914ee5dbdd33417a7bab5caae83b0001ec27

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

C2

26asdcgd.com:4039

26asdcgd.xyz:4039

Signatures

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

Processes:

ivspau.exe

pid process

1292 ivspau.exe
Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

7 ip4.seeip.org
8 ip4.seeip.org
5 api.ipify.org
6 api.ipify.org
Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.

Connection Proxy
T1090

pid	process
1292	ivspau.exe

flow	ioc
7	ip4.seeip.org
8	ip4.seeip.org
5	api.ipify.org
6	api.ipify.org

Drops file in Windows directory 2 IoCs

Processes:

d0d3a4d35f46f3a7ed5ef913b46afdcf80e2ed2a226a20cbec81115454f27dd3.exe

description	ioc	process
File created	C:\Windows\Tasks\ivspau.job	d0d3a4d35f46f3a7ed5ef913b46afdcf80e2ed2a226a20cbec81115454f27dd3.exe
File opened for modification	C:\Windows\Tasks\ivspau.job	d0d3a4d35f46f3a7ed5ef913b46afdcf80e2ed2a226a20cbec81115454f27dd3.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

d0d3a4d35f46f3a7ed5ef913b46afdcf80e2ed2a226a20cbec81115454f27dd3.exe

pid process

1948 d0d3a4d35f46f3a7ed5ef913b46afdcf80e2ed2a226a20cbec81115454f27dd3.exe

pid	process
1948	d0d3a4d35f46f3a7ed5ef913b46afdcf80e2ed2a226a20cbec81115454f27dd3.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 1204 wrote to memory of 1292	1204	taskeng.exe	ivspau.exe
PID 1204 wrote to memory of 1292	1204	taskeng.exe	ivspau.exe
PID 1204 wrote to memory of 1292	1204	taskeng.exe	ivspau.exe
PID 1204 wrote to memory of 1292	1204	taskeng.exe	ivspau.exe

C:\Users\Admin\AppData\Local\Temp\d0d3a4d35f46f3a7ed5ef913b46afdcf80e2ed2a226a20cbec81115454f27dd3.exe
"C:\Users\Admin\AppData\Local\Temp\d0d3a4d35f46f3a7ed5ef913b46afdcf80e2ed2a226a20cbec81115454f27dd3.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1948

C:\Windows\system32\taskeng.exe
taskeng.exe {F850F36F-0A54-408E-BCB6-449B8EBB45E8} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1204

C:\ProgramData\mgkpup\ivspau.exe
C:\ProgramData\mgkpup\ivspau.exe start
2⤵
- Executes dropped EXE
PID:1292

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Connection Proxy

1

T1090

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Connection Proxy

1

T1090

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mgkpup\ivspau.exe
Filesize
168KB

MD5
2d8166616d74027c23e29f30b41922cb

SHA1
7ab3a4dd77bb7716bf3d7c106e447108796a70b6

SHA256
d0d3a4d35f46f3a7ed5ef913b46afdcf80e2ed2a226a20cbec81115454f27dd3

SHA512
24cfe8f631a2643b4d166bcf41b79839f71df9a1bd52563742c5fb917d4d130f2784848e750b70d1e441e17339b9914ee5dbdd33417a7bab5caae83b0001ec27

Download Submit
C:\ProgramData\mgkpup\ivspau.exe
Filesize
168KB

MD5
2d8166616d74027c23e29f30b41922cb

SHA1
7ab3a4dd77bb7716bf3d7c106e447108796a70b6

SHA256
d0d3a4d35f46f3a7ed5ef913b46afdcf80e2ed2a226a20cbec81115454f27dd3

SHA512
24cfe8f631a2643b4d166bcf41b79839f71df9a1bd52563742c5fb917d4d130f2784848e750b70d1e441e17339b9914ee5dbdd33417a7bab5caae83b0001ec27

Download Submit
memory/1292-60-0x0000000000000000-mapping.dmp

Download
memory/1292-62-0x00000000006CB000-0x00000000006D2000-memory.dmp

Filesize
28KB

Download
memory/1292-64-0x00000000006CB000-0x00000000006D2000-memory.dmp

Filesize
28KB

Download
memory/1292-65-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download
memory/1948-54-0x00000000005CB000-0x00000000005D2000-memory.dmp

Filesize
28KB

Download
memory/1948-55-0x00000000754A1000-0x00000000754A3000-memory.dmp

Filesize
8KB

Download
memory/1948-56-0x00000000005CB000-0x00000000005D2000-memory.dmp

Filesize
28KB

Download
memory/1948-57-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/1948-58-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download

Analysis

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