5cd50d57a32b96d16db5abb18023bc202afffbb894060ef2f0d59f03f65a906e

General

Target

CSRPS.exe
Size

9.1MB
MD5

74d3f521a38b23cd25ed61e4f8d99f16
SHA1

c4cd0e519aeca41e94665f2c5ea60a322deb3680
SHA256

1d822b3faabb8f65fc30076d32a95757a2c369ccb64ae54572e9f562280ae845
SHA512

ec1c8b0eb895fd8947cad6126abc5bca3a712e42475228b9dcb3496098e720abb83d4cba4621edbd8d3ad7f306a5f57ced9c2c98fe2c2d0c8ebbbf99d7faf0f1
SSDEEP

196608:bmFQso3Id5AypjCIN325pMKhQaLh6sOo5LZvqy1f:OQseId5AyZIpMKVLhJtJqS

Score

8^/10

discovery evasion

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2136 netsh.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2136	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

CSRPS.exeSCHTASKS.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CSRPS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SCHTASKS.exe

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command and Scripting Interpreter
T1059

Processes:

ipconfig.exe

pid process

2580 ipconfig.exe
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

2096 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

CSRPS.exe

pid process

2380 CSRPS.exe
2380 CSRPS.exe
2380 CSRPS.exe
2380 CSRPS.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

CSRPS.exe

pid process

2380 CSRPS.exe
2380 CSRPS.exe
2380 CSRPS.exe
2380 CSRPS.exe
2380 CSRPS.exe

pid	process
2580	ipconfig.exe

pid	process
2096	schtasks.exe

pid	process
2380	CSRPS.exe
2380	CSRPS.exe
2380	CSRPS.exe
2380	CSRPS.exe

pid	process
2380	CSRPS.exe
2380	CSRPS.exe
2380	CSRPS.exe
2380	CSRPS.exe
2380	CSRPS.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

CSRPS.exe

description	pid	process	target process
PID 2380 wrote to memory of 2260	2380	CSRPS.exe	SCHTASKS.exe
PID 2380 wrote to memory of 2260	2380	CSRPS.exe	SCHTASKS.exe
PID 2380 wrote to memory of 2260	2380	CSRPS.exe	SCHTASKS.exe
PID 2380 wrote to memory of 2260	2380	CSRPS.exe	SCHTASKS.exe
PID 2380 wrote to memory of 2172	2380	CSRPS.exe	cmd.exe
PID 2380 wrote to memory of 2172	2380	CSRPS.exe	cmd.exe
PID 2380 wrote to memory of 2172	2380	CSRPS.exe	cmd.exe
PID 2380 wrote to memory of 2172	2380	CSRPS.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\CSRPS.exe
"C:\Users\Admin\AppData\Local\Temp\CSRPS.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2380

C:\Windows\SysWOW64\SCHTASKS.exe
SCHTASKS /Query /TN "CSRPS"
2⤵
- System Location Discovery: System Language Discovery
PID:2260

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C SCHTASKS /Create /F /RL HIGHEST /TN "CSRPS" /TR "C:\Users\Admin\AppData\Local\Temp\CSRPS.exe" /SC ONLOGON /DELAY 0001:00
2⤵
PID:2172

C:\Windows\SysWOW64\schtasks.exe
SCHTASKS /Create /F /RL HIGHEST /TN "CSRPS" /TR "C:\Users\Admin\AppData\Local\Temp\CSRPS.exe" /SC ONLOGON /DELAY 0001:00
3⤵
- Scheduled Task/Job: Scheduled Task
PID:2096

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C netsh advfirewall firewall add rule name="CSRPS" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\CSRPS.exe" enable=yes profile=any
2⤵
PID:2536

C:\Windows\SysWOW64\netsh.exe
netsh advfirewall firewall add rule name="CSRPS" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\CSRPS.exe" enable=yes profile=any
3⤵
- Modifies Windows Firewall
PID:2136

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ipconfig /flushdns
2⤵
PID:2420

C:\Windows\SysWOW64\ipconfig.exe
ipconfig /flushdns
3⤵
- Gathers network information
PID:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\hcx.dll

Filesize
398KB

MD5
287c055b14d6ab41b021486e4fef3708

SHA1
d705e8d163d60b39e0265e30a56966c58323bef3

SHA256
3976547348f3cd6887ad0bc6a1f1f54010b58ca5cc1a77a937e882def475ab9e

SHA512
fbc627c5d06ff4440d67f7fe97ad187bf6b6472ce9f0584e7ad3d1a391e7006db97d81ac6800a80bd8304172959f01a3bc72c55773d421f2332148731a71f0b1

Download Submit
memory/2380-29-0x0000000000400000-0x0000000000D36000-memory.dmp

Filesize
9.2MB

Download
memory/2380-1-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download
memory/2380-30-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download
memory/2380-34-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download
memory/2380-32-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download
memory/2380-12-0x000000000BDA0000-0x000000000BDA1000-memory.dmp

Filesize
4KB

Download
memory/2380-10-0x000000000C2C0000-0x000000000C328000-memory.dmp

Filesize
416KB

Download
memory/2380-18-0x0000000000400000-0x0000000000D36000-memory.dmp

Filesize
9.2MB

Download
memory/2380-19-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download
memory/2380-0-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/2380-8-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/2380-6-0x0000000000400000-0x0000000000D36000-memory.dmp

Filesize
9.2MB

Download
memory/2380-7-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download
memory/2380-36-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download
memory/2380-38-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download
memory/2380-40-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download
memory/2380-42-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download
memory/2380-44-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download
memory/2380-46-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download
memory/2380-48-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download
memory/2380-52-0x0000000005B40000-0x000000000A616000-memory.dmp

Filesize
74.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads