systembc | a1d22e1aff7b55b24228a8da8851a8a0ee40449941123cccc59b50d8c58215a1

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
05-05-2024 18:01

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General

Target

18bf71b4b6017218464aa69ece567f98_JaffaCakes118.exe
Size

190KB
MD5

18bf71b4b6017218464aa69ece567f98
SHA1

5eab7974b0636568d2b96cf9eef6b6bacb8adb1b
SHA256

a1d22e1aff7b55b24228a8da8851a8a0ee40449941123cccc59b50d8c58215a1
SHA512

5efff60513e55b0961602b2ecdadd04fb8e524e5e4f5dac34bde6a6504a94c6cc8b326a7b947022a9bfea334b67a32aed6282ea4d698da598bc54cf6635a8f74
SSDEEP

3072:XMglNbMGoT2YL/kLPjbPMsLboRjm8LWfAsUZH9VsPHvw:cHh2YL/gjbPMsLborsUZkf4

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

sdadvert197.com:4044

mexstat128.com:4044

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3152	dieatp.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.

flow	ioc
36	api.ipify.org
37	api.ipify.org

Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.

Proxy
T1090

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Tasks\dieatp.job	18bf71b4b6017218464aa69ece567f98_JaffaCakes118.exe
File created	C:\Windows\Tasks\dieatp.job	18bf71b4b6017218464aa69ece567f98_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5076	4216	WerFault.exe	82

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4216	18bf71b4b6017218464aa69ece567f98_JaffaCakes118.exe
4216	18bf71b4b6017218464aa69ece567f98_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\18bf71b4b6017218464aa69ece567f98_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\18bf71b4b6017218464aa69ece567f98_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:4216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 960
  2⤵
  - Program crash
  PID:5076

C:\ProgramData\amxlmx\dieatp.exe
C:\ProgramData\amxlmx\dieatp.exe start
1⤵
- Executes dropped EXE
PID:3152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4216 -ip 4216
1⤵
PID:2332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Proxy

T1090

Exfiltration

Impact

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Downloads

C:\ProgramData\amxlmx\dieatp.exe

Filesize
190KB

MD5
18bf71b4b6017218464aa69ece567f98

SHA1
5eab7974b0636568d2b96cf9eef6b6bacb8adb1b

SHA256
a1d22e1aff7b55b24228a8da8851a8a0ee40449941123cccc59b50d8c58215a1

SHA512
5efff60513e55b0961602b2ecdadd04fb8e524e5e4f5dac34bde6a6504a94c6cc8b326a7b947022a9bfea334b67a32aed6282ea4d698da598bc54cf6635a8f74

Download Submit
memory/3152-12-0x0000000000400000-0x0000000004DAC000-memory.dmp

Filesize
73.7MB

Download
memory/4216-1-0x0000000005080000-0x0000000005180000-memory.dmp

Filesize
1024KB

Download
memory/4216-2-0x0000000004F00000-0x0000000004F09000-memory.dmp

Filesize
36KB

Download
memory/4216-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4216-4-0x0000000000400000-0x0000000004DAC000-memory.dmp

Filesize
73.7MB

Download
memory/4216-14-0x0000000004F00000-0x0000000004F09000-memory.dmp

Filesize
36KB

Download
memory/4216-13-0x0000000005080000-0x0000000005180000-memory.dmp

Filesize
1024KB

Download