privateloader | 3d65c0a91d33b9a04a7f3180bbdc9611ad62141c20ecbfd57606c0ad2612a7a1

General

Target

3d65c0a91d33b9a04a7f3180bbdc9611ad62141c20ecbfd57606c0ad2612a7a1.exe
Size

789KB
MD5

c797a1078992f5c3ab55c9b5700bd8a4
SHA1

6ad0d6559c773e68d3dba5ad8a57404ea2ea93c0
SHA256

3d65c0a91d33b9a04a7f3180bbdc9611ad62141c20ecbfd57606c0ad2612a7a1
SHA512

5974e4ce3fbea3d11c6e8885e4347801bef15002375a1f680a2bce0394d109868288f75389fe128c7d104b653447fb2653a068227ed4ca05a27c532af555c24f
SSDEEP

12288:JMr6y90dN8degBdF/RIqaSVJ3zQFo/DiK+BZhzSLU2qQCNQmhZNy/xUjDKMmSDsT:DyA8dTBd9baS7QW7lkzSFuCyy/9xffz

Score

10^/10

privateloader risepro discovery loader persistence stealer

Malware Config

Extracted

Family

risepro

C2

193.233.132.51

Signatures

PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
loader privateloader
RisePro
RisePro stealer is an infostealer distributed by PrivateLoader.
stealer risepro

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	1oH05JF8.exe

Executes dropped EXE 1 IoCs

pid	Process
884	1oH05JF8.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	3d65c0a91d33b9a04a7f3180bbdc9611ad62141c20ecbfd57606c0ad2612a7a1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	1oH05JF8.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	1oH05JF8.exe
File opened for modification	C:\Windows\System32\GroupPolicy	1oH05JF8.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	1oH05JF8.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	1oH05JF8.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3d65c0a91d33b9a04a7f3180bbdc9611ad62141c20ecbfd57606c0ad2612a7a1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1oH05JF8.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
5012	schtasks.exe
5076	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 884	1572	3d65c0a91d33b9a04a7f3180bbdc9611ad62141c20ecbfd57606c0ad2612a7a1.exe	85
PID 1572 wrote to memory of 884	1572	3d65c0a91d33b9a04a7f3180bbdc9611ad62141c20ecbfd57606c0ad2612a7a1.exe	85
PID 1572 wrote to memory of 884	1572	3d65c0a91d33b9a04a7f3180bbdc9611ad62141c20ecbfd57606c0ad2612a7a1.exe	85
PID 884 wrote to memory of 5076	884	1oH05JF8.exe	87
PID 884 wrote to memory of 5076	884	1oH05JF8.exe	87
PID 884 wrote to memory of 5076	884	1oH05JF8.exe	87
PID 884 wrote to memory of 5012	884	1oH05JF8.exe	91
PID 884 wrote to memory of 5012	884	1oH05JF8.exe	91
PID 884 wrote to memory of 5012	884	1oH05JF8.exe	91

C:\Users\Admin\AppData\Local\Temp\3d65c0a91d33b9a04a7f3180bbdc9611ad62141c20ecbfd57606c0ad2612a7a1.exe
"C:\Users\Admin\AppData\Local\Temp\3d65c0a91d33b9a04a7f3180bbdc9611ad62141c20ecbfd57606c0ad2612a7a1.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1oH05JF8.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1oH05JF8.exe
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:884
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5076
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5012

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:2380

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

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

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1oH05JF8.exe

Filesize
1.6MB

MD5
112a29aa377d82d1b607fcc434d420a1

SHA1
d5a73b4ba0d56621346c869f9f61cce07ac9de98

SHA256
48bd0c51b70fc2c1847dc12dccd6d0310afa6a9d49030027b9ac0875bf0113dc

SHA512
00e5af45e2e66ebd8dbb6d06da12a863cf660c7d51cd7c0151d5d3a664e41fc74d5bddf92efcb55940f044ea68cf4d9c4033940d26e346b05e2de67461904de0

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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