systembc | 67713ae5aac48a69c97bcb8dbc6db59518a3b7c60ce57ab48c1883bd995bf7d4

Analysis

max time kernel
146s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
03-06-2024 22:43

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General

Target

92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe
Size

90KB
MD5

92dbe3d237c0b38a6feaece08bf7a1f6
SHA1

5eeda1c31858de743f8afa7ce6c24c8c0e816c7d
SHA256

67713ae5aac48a69c97bcb8dbc6db59518a3b7c60ce57ab48c1883bd995bf7d4
SHA512

fe5f35f485dc2a675374c2581ea8a0bb92f88ef43d225e0f53d57bed6587fd73a8554cd946af252f1557e3e8573c00c43929c31e9e32258aae2b49e538c6494d
SSDEEP

1536:YyXUR8CPCrDfDpmk5C7hWmMv1CoAuBFYDlXq6RTm:5XUta7ptgC1CCE66R

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

Processes:

tanc.exe

pid process

1260 tanc.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

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

Proxy
T1090

pid	process
1260	tanc.exe

flow	ioc
23	api.ipify.org
24	api.ipify.org

Drops file in Windows directory 2 IoCs

Processes:

92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\Tasks\tanc.job	92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe
File opened for modification	C:\Windows\Tasks\tanc.job	92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5004 5012 WerFault.exe 92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe

pid process

5012 92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe
5012 92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe

pid	pid_target	process	target process
5004	5012	WerFault.exe	92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe

pid	process
5012	92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe
5012	92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:5012
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 948
  2⤵
  - Program crash
  PID:5004

C:\ProgramData\bvhseo\tanc.exe
C:\ProgramData\bvhseo\tanc.exe start
1⤵
- Executes dropped EXE
PID:1260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5012 -ip 5012
1⤵
PID:3372

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

Replay Monitor

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Downloads

C:\ProgramData\bvhseo\tanc.exe

Filesize
90KB

MD5
92dbe3d237c0b38a6feaece08bf7a1f6

SHA1
5eeda1c31858de743f8afa7ce6c24c8c0e816c7d

SHA256
67713ae5aac48a69c97bcb8dbc6db59518a3b7c60ce57ab48c1883bd995bf7d4

SHA512
fe5f35f485dc2a675374c2581ea8a0bb92f88ef43d225e0f53d57bed6587fd73a8554cd946af252f1557e3e8573c00c43929c31e9e32258aae2b49e538c6494d

Download Submit
memory/1260-11-0x0000000000400000-0x0000000000F74000-memory.dmp

Filesize
11.5MB

Download
memory/5012-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/5012-1-0x0000000001270000-0x0000000001370000-memory.dmp

Filesize
1024KB

Download
memory/5012-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/5012-10-0x0000000000400000-0x0000000000F74000-memory.dmp

Filesize
11.5MB

Download
memory/5012-12-0x0000000001270000-0x0000000001370000-memory.dmp

Filesize
1024KB

Download
memory/5012-13-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/5012-24-0x0000000000400000-0x0000000000F74000-memory.dmp

Filesize
11.5MB

Download
memory/5012-27-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download