systembc | 10fd1c7aabf703640bf16c35aed6a1507efbf6da46ab534d12b911fe307e0b28

General

Target

10fd1c7aabf703640bf16c35aed6a1507efbf6da46ab534d12b911fe307e0b28.exe
Size

172KB
MD5

6047ef3dc3006268a9406af1a7be63e3
SHA1

57602f69a5e7d855643b61e80ff32c1947cc6d64
SHA256

10fd1c7aabf703640bf16c35aed6a1507efbf6da46ab534d12b911fe307e0b28
SHA512

1e2ca97ab3e0edbbc44c89e6f854fcfb78a9b8927f8b970ac2971aa58a4011ab1cf1a66bc8efbfa60d30dbdd45df538e21e89ef876b410c1d66950ce8a4a4613

Score

10^/10

systembc trojan upx

Malware Config

Extracted

Family

systembc

C2

dec15coma.com:4039

dec15coma.xyz:4039

Signatures

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

Processes:

qxlpsc.exe

pid process

468 qxlpsc.exe

pid	process
468	qxlpsc.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\ProgramData\xojau\qxlpsc.exe	upx
C:\ProgramData\xojau\qxlpsc.exe	upx

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

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

Connection Proxy
T1090

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

Drops file in Windows directory 2 IoCs

Processes:

10fd1c7aabf703640bf16c35aed6a1507efbf6da46ab534d12b911fe307e0b28.exe

description	ioc	process
File created	C:\Windows\Tasks\qxlpsc.job	10fd1c7aabf703640bf16c35aed6a1507efbf6da46ab534d12b911fe307e0b28.exe
File opened for modification	C:\Windows\Tasks\qxlpsc.job	10fd1c7aabf703640bf16c35aed6a1507efbf6da46ab534d12b911fe307e0b28.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

10fd1c7aabf703640bf16c35aed6a1507efbf6da46ab534d12b911fe307e0b28.exe

pid process

1980 10fd1c7aabf703640bf16c35aed6a1507efbf6da46ab534d12b911fe307e0b28.exe

pid	process
1980	10fd1c7aabf703640bf16c35aed6a1507efbf6da46ab534d12b911fe307e0b28.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 280 wrote to memory of 468	280	taskeng.exe	qxlpsc.exe
PID 280 wrote to memory of 468	280	taskeng.exe	qxlpsc.exe
PID 280 wrote to memory of 468	280	taskeng.exe	qxlpsc.exe
PID 280 wrote to memory of 468	280	taskeng.exe	qxlpsc.exe

C:\Users\Admin\AppData\Local\Temp\10fd1c7aabf703640bf16c35aed6a1507efbf6da46ab534d12b911fe307e0b28.exe
"C:\Users\Admin\AppData\Local\Temp\10fd1c7aabf703640bf16c35aed6a1507efbf6da46ab534d12b911fe307e0b28.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1980

C:\Windows\system32\taskeng.exe
taskeng.exe {42B7EAA2-DE31-4D2C-B596-0D697B46D84A} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:280

C:\ProgramData\xojau\qxlpsc.exe
C:\ProgramData\xojau\qxlpsc.exe start
2⤵
- Executes dropped EXE
PID:468

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\xojau\qxlpsc.exe
MD5
6047ef3dc3006268a9406af1a7be63e3

SHA1
57602f69a5e7d855643b61e80ff32c1947cc6d64

SHA256
10fd1c7aabf703640bf16c35aed6a1507efbf6da46ab534d12b911fe307e0b28

SHA512
1e2ca97ab3e0edbbc44c89e6f854fcfb78a9b8927f8b970ac2971aa58a4011ab1cf1a66bc8efbfa60d30dbdd45df538e21e89ef876b410c1d66950ce8a4a4613

Download Submit
C:\ProgramData\xojau\qxlpsc.exe
MD5
6047ef3dc3006268a9406af1a7be63e3

SHA1
57602f69a5e7d855643b61e80ff32c1947cc6d64

SHA256
10fd1c7aabf703640bf16c35aed6a1507efbf6da46ab534d12b911fe307e0b28

SHA512
1e2ca97ab3e0edbbc44c89e6f854fcfb78a9b8927f8b970ac2971aa58a4011ab1cf1a66bc8efbfa60d30dbdd45df538e21e89ef876b410c1d66950ce8a4a4613

Download Submit
memory/468-61-0x00000000055B9000-0x00000000055BF000-memory.dmp

Filesize
24KB

Download
memory/468-63-0x00000000055B9000-0x00000000055BF000-memory.dmp

Filesize
24KB

Download
memory/468-64-0x0000000000400000-0x000000000515E000-memory.dmp

Filesize
77.4MB

Download
memory/1980-54-0x0000000005339000-0x000000000533F000-memory.dmp

Filesize
24KB

Download
memory/1980-55-0x00000000767A1000-0x00000000767A3000-memory.dmp

Filesize
8KB

Download
memory/1980-56-0x0000000005339000-0x000000000533F000-memory.dmp

Filesize
24KB

Download
memory/1980-57-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/1980-58-0x0000000000400000-0x000000000515E000-memory.dmp

Filesize
77.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads