systembc | 930c0ff32c41f73eed59507b1e7ab70cd77469406c3a0401b625f70adc6a4fcd

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
16-07-2024 15:27

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General

Target

4eeea01de3c07cbe3ad9cd218f16b458_JaffaCakes118.exe
Size

209KB
MD5

4eeea01de3c07cbe3ad9cd218f16b458
SHA1

e02029f8e603d712eec2b48f8a9396731b99dbb4
SHA256

930c0ff32c41f73eed59507b1e7ab70cd77469406c3a0401b625f70adc6a4fcd
SHA512

6dff35d5fe63d0dd1ec20b47d331749d3cb247380ab5e9e5c30dd2b5561891c82f541991246c9996a4be4be2fe1eeb08cb88c3a3abdd586724187d6b98ea77c3
SSDEEP

6144:YDnLgI91y1UkT57iJz/DpURWPSvHuUiYphu1UN:cnLh9yn52rpUR5vHuRYpM+N

Score

10^/10

systembc trojan upx

Malware Config

Extracted

Family

systembc

yan0212.com:4039

yan0212.net:4039

Signatures

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

Executes dropped EXE 1 IoCs

Processes:

uxddgj.exe

pid	Process
4936	uxddgj.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1700-1-0x0000000000400000-0x00000000045F0000-memory.dmp	upx
behavioral2/files/0x0008000000023429-9.dat	upx

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
24	api.ipify.org
23	api.ipify.org

Drops file in Windows directory 2 IoCs

Processes:

4eeea01de3c07cbe3ad9cd218f16b458_JaffaCakes118.exe

description	ioc	Process
File created	C:\Windows\Tasks\uxddgj.job	4eeea01de3c07cbe3ad9cd218f16b458_JaffaCakes118.exe
File opened for modification	C:\Windows\Tasks\uxddgj.job	4eeea01de3c07cbe3ad9cd218f16b458_JaffaCakes118.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
912	1700	WerFault.exe	82

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4eeea01de3c07cbe3ad9cd218f16b458_JaffaCakes118.exe

pid	Process
1700	4eeea01de3c07cbe3ad9cd218f16b458_JaffaCakes118.exe
1700	4eeea01de3c07cbe3ad9cd218f16b458_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\4eeea01de3c07cbe3ad9cd218f16b458_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4eeea01de3c07cbe3ad9cd218f16b458_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 488
  2⤵
  - Program crash
  PID:912

C:\ProgramData\snjjfab\uxddgj.exe
C:\ProgramData\snjjfab\uxddgj.exe start
1⤵
- Executes dropped EXE
PID:4936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1700 -ip 1700
1⤵
PID:1276

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\snjjfab\uxddgj.exe

Filesize
209KB

MD5
4eeea01de3c07cbe3ad9cd218f16b458

SHA1
e02029f8e603d712eec2b48f8a9396731b99dbb4

SHA256
930c0ff32c41f73eed59507b1e7ab70cd77469406c3a0401b625f70adc6a4fcd

SHA512
6dff35d5fe63d0dd1ec20b47d331749d3cb247380ab5e9e5c30dd2b5561891c82f541991246c9996a4be4be2fe1eeb08cb88c3a3abdd586724187d6b98ea77c3

Download Submit
memory/1700-1-0x0000000000400000-0x00000000045F0000-memory.dmp

Filesize
65.9MB

Download
memory/1700-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1700-2-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/1700-4-0x0000000000400000-0x00000000045F0000-memory.dmp

Filesize
65.9MB

Download
memory/1700-22-0x0000000000400000-0x00000000045F0000-memory.dmp

Filesize
65.9MB

Download
memory/1700-25-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4936-13-0x0000000000400000-0x00000000045F0000-memory.dmp

Filesize
65.9MB

Download