systembc | 7dd44d3b3df4f14474d20ffa23e2fb20dcf22ed3a1458b345a1bd85563ac4a62

General

Target

5986aff76e7813045b1b130efbb10d30.exe
Size

1.9MB
MD5

5986aff76e7813045b1b130efbb10d30
SHA1

62b1f733fe7ed0c0230c20dae3c4a65ecb28e180
SHA256

7dd44d3b3df4f14474d20ffa23e2fb20dcf22ed3a1458b345a1bd85563ac4a62
SHA512

bfa2cad2bbbb61af7dbd22818db048ddaf68e2e22d1c55d80450a7a0c4c31c09bf596f04ebc2a7f55ac70c294ae01d3e8987af4d0bbb60c63662d21c008b3115
SSDEEP

24576:ytmVBxgdQncWHOY7XgOxv5zM44Q84u7cpS/G6bLZLI6FMPNK/bAkA/lDA:Jjou3H/Dxxr40uIB6bO6mYPAS

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

C2

89.22.225.242:4193

195.2.93.22:4193

Signatures

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

Processes:

DllResource.exe

pid process

4616 DllResource.exe

pid	process
4616	DllResource.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

5986aff76e7813045b1b130efbb10d30.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	5986aff76e7813045b1b130efbb10d30.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3392 schtasks.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

668 PING.EXE

pid	process
3392	schtasks.exe

pid	process
668	PING.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

5986aff76e7813045b1b130efbb10d30.exeDllResource.exe

pid	process
4636	5986aff76e7813045b1b130efbb10d30.exe
4636	5986aff76e7813045b1b130efbb10d30.exe
4636	5986aff76e7813045b1b130efbb10d30.exe
4636	5986aff76e7813045b1b130efbb10d30.exe
4636	5986aff76e7813045b1b130efbb10d30.exe
4636	5986aff76e7813045b1b130efbb10d30.exe
4636	5986aff76e7813045b1b130efbb10d30.exe
4636	5986aff76e7813045b1b130efbb10d30.exe
4636	5986aff76e7813045b1b130efbb10d30.exe
4636	5986aff76e7813045b1b130efbb10d30.exe
4616	DllResource.exe
4616	DllResource.exe
4616	DllResource.exe
4616	DllResource.exe
4616	DllResource.exe
4616	DllResource.exe
4616	DllResource.exe
4616	DllResource.exe
4616	DllResource.exe
4616	DllResource.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

5986aff76e7813045b1b130efbb10d30.execmd.exe

description	pid	process	target process
PID 4636 wrote to memory of 3392	4636	5986aff76e7813045b1b130efbb10d30.exe	schtasks.exe
PID 4636 wrote to memory of 3392	4636	5986aff76e7813045b1b130efbb10d30.exe	schtasks.exe
PID 4636 wrote to memory of 3392	4636	5986aff76e7813045b1b130efbb10d30.exe	schtasks.exe
PID 4636 wrote to memory of 4616	4636	5986aff76e7813045b1b130efbb10d30.exe	DllResource.exe
PID 4636 wrote to memory of 4616	4636	5986aff76e7813045b1b130efbb10d30.exe	DllResource.exe
PID 4636 wrote to memory of 4616	4636	5986aff76e7813045b1b130efbb10d30.exe	DllResource.exe
PID 4636 wrote to memory of 3168	4636	5986aff76e7813045b1b130efbb10d30.exe	cmd.exe
PID 4636 wrote to memory of 3168	4636	5986aff76e7813045b1b130efbb10d30.exe	cmd.exe
PID 4636 wrote to memory of 3168	4636	5986aff76e7813045b1b130efbb10d30.exe	cmd.exe
PID 3168 wrote to memory of 3088	3168	cmd.exe	chcp.com
PID 3168 wrote to memory of 3088	3168	cmd.exe	chcp.com
PID 3168 wrote to memory of 3088	3168	cmd.exe	chcp.com
PID 3168 wrote to memory of 668	3168	cmd.exe	PING.EXE
PID 3168 wrote to memory of 668	3168	cmd.exe	PING.EXE
PID 3168 wrote to memory of 668	3168	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\5986aff76e7813045b1b130efbb10d30.exe
"C:\Users\Admin\AppData\Local\Temp\5986aff76e7813045b1b130efbb10d30.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4636

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\system32\schtasks.exe" /create /tn COMSurrogate /f /sc onlogon /rl highest /tr "C:\Users\Admin\TypeRes\DllResource.exe"
2⤵
- Creates scheduled task(s)
PID:3392

C:\Users\Admin\TypeRes\DllResource.exe
"C:\Users\Admin\TypeRes\DllResource.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4616

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\5986aff76e7813045b1b130efbb10d30.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3168

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:3088

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:668

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\TypeRes\DllResource.exe
Filesize
680.8MB

MD5
7bbe9a1765964d7c182e5c54504edbcf

SHA1
e51f68b53b56339321746a2bbe6da50f1fd89fce

SHA256
6ae433228eba154ca6b978517e895b68c38bb218143cec923da39331dbd980c5

SHA512
8cb251dff7d397aee9e329ab3d7f99b552dbfe1960417bdd06f977ee0b70e40dc7043704041a8be28c433ddd351192d39ec6f9380f2b2af1989588ad969ae48e

Download Submit
C:\Users\Admin\TypeRes\DllResource.exe
Filesize
709.7MB

MD5
ae6a29a697c81f90e712fc04481eecf3

SHA1
edfde0213d81d827a95f5d989f5a0dcbc6f43f97

SHA256
7a103617978cd24011e377e4274b905fcb5a8faa45ccd4f7fbf393761777df68

SHA512
67ae34a21cd4b2cfa93e749137c9f9c587f2b357a52756b6d18110c90671484b855cf57ab8631753fed85d1055c3eb9513fd1fcdda49ccbcd8dbc4865c98dba1

Download Submit
memory/668-143-0x0000000000000000-mapping.dmp

Download
memory/3088-142-0x0000000000000000-mapping.dmp

Download
memory/3168-140-0x0000000000000000-mapping.dmp

Download
memory/3392-136-0x0000000000000000-mapping.dmp

Download
memory/4616-137-0x0000000000000000-mapping.dmp

Download
memory/4616-148-0x0000000010E20000-0x0000000010EB1000-memory.dmp

Filesize
580KB

Download
memory/4616-153-0x0000000010E20000-0x0000000010EB1000-memory.dmp

Filesize
580KB

Download
memory/4616-150-0x0000000010E00000-0x0000000010E07000-memory.dmp

Filesize
28KB

Download
memory/4616-149-0x0000000010E20000-0x0000000010EB1000-memory.dmp

Filesize
580KB

Download
memory/4616-147-0x0000000002B2F000-0x0000000002CAE000-memory.dmp

Filesize
1.5MB

Download
memory/4616-144-0x000000000238C000-0x0000000002B1C000-memory.dmp

Filesize
7.6MB

Download
memory/4616-145-0x0000000002B2F000-0x0000000002CAE000-memory.dmp

Filesize
1.5MB

Download
memory/4616-146-0x000000000238C000-0x0000000002B1C000-memory.dmp

Filesize
7.6MB

Download
memory/4636-133-0x0000000002D9F000-0x0000000002F1E000-memory.dmp

Filesize
1.5MB

Download
memory/4636-132-0x00000000025F5000-0x0000000002D85000-memory.dmp

Filesize
7.6MB

Download
memory/4636-134-0x00000000025F5000-0x0000000002D85000-memory.dmp

Filesize
7.6MB

Download
memory/4636-141-0x0000000002D9F000-0x0000000002F1E000-memory.dmp

Filesize
1.5MB

Download
memory/4636-135-0x0000000002D9F000-0x0000000002F1E000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads