systembc | 2dd3e669bd3b9727e7b744198c7ad0399a89c5e4287f8572fb9f19aaca93c961

Analysis

max time kernel
144s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 00:33

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General

Target

375389bf695377358b96e03c5b091a6e_JaffaCakes118.exe
Size

289KB
MD5

375389bf695377358b96e03c5b091a6e
SHA1

c03751ce0025d329fc07c604d41cda77c03858b3
SHA256

2dd3e669bd3b9727e7b744198c7ad0399a89c5e4287f8572fb9f19aaca93c961
SHA512

4c34f930fa6cc6eca979fb0b1d94384398f21674a93164a76825eff2b1e8a249534c941177920d4ca81defa4fc130e897a958e472185341354293ac7416bd30f
SSDEEP

6144:IorVQm5p54eP17tCpOkqSEFO3R4kIG5/AH8MGT:lVQmtjP17tCpOMNh485/AcMGT

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

mdadvertx17.xyz:4044

pkspacex19.xyz:4044

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
2480	uslw.exe
2248	uslw.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.

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.

Proxy
T1090

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Tasks\uslw.job	375389bf695377358b96e03c5b091a6e_JaffaCakes118.exe
File created	C:\Windows\Tasks\uslw.job	375389bf695377358b96e03c5b091a6e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1656	375389bf695377358b96e03c5b091a6e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2480	2444	taskeng.exe	29
PID 2444 wrote to memory of 2480	2444	taskeng.exe	29
PID 2444 wrote to memory of 2480	2444	taskeng.exe	29
PID 2444 wrote to memory of 2480	2444	taskeng.exe	29
PID 2444 wrote to memory of 2248	2444	taskeng.exe	32
PID 2444 wrote to memory of 2248	2444	taskeng.exe	32
PID 2444 wrote to memory of 2248	2444	taskeng.exe	32
PID 2444 wrote to memory of 2248	2444	taskeng.exe	32

C:\Users\Admin\AppData\Local\Temp\375389bf695377358b96e03c5b091a6e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\375389bf695377358b96e03c5b091a6e_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1656

C:\Windows\system32\taskeng.exe
taskeng.exe {E7F2E39D-F454-4BEE-AA4E-92D404199092} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2444
- C:\ProgramData\vngpxh\uslw.exe
  C:\ProgramData\vngpxh\uslw.exe start2
  2⤵
  - Executes dropped EXE
  PID:2480
- C:\ProgramData\vngpxh\uslw.exe
  C:\ProgramData\vngpxh\uslw.exe start2
  2⤵
  - Executes dropped EXE
  PID:2248

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\vngpxh\uslw.exe

Filesize
289KB

MD5
375389bf695377358b96e03c5b091a6e

SHA1
c03751ce0025d329fc07c604d41cda77c03858b3

SHA256
2dd3e669bd3b9727e7b744198c7ad0399a89c5e4287f8572fb9f19aaca93c961

SHA512
4c34f930fa6cc6eca979fb0b1d94384398f21674a93164a76825eff2b1e8a249534c941177920d4ca81defa4fc130e897a958e472185341354293ac7416bd30f

Download Submit
memory/1656-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1656-2-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/1656-1-0x0000000000520000-0x0000000000620000-memory.dmp

Filesize
1024KB

Download
memory/1656-10-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1656-12-0x0000000000520000-0x0000000000620000-memory.dmp

Filesize
1024KB

Download
memory/2248-27-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2480-11-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download