privateloader | dcf4e78aa4f4a43375e6c66a708f11e84986bd1f7bacc1564324e028fcba76f4

Analysis

max time kernel
149s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 10:56

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General

Target

c35481464455ec62b97d08f9bcb8ac75eadf87ffc4cfef30c3c3fd9edaa597fc.exe
Size

1.9MB
MD5

c42921cb8c80153f6b5f5d65f8f85618
SHA1

4205f3f556b840eece3fd1562bd5aef0b425f791
SHA256

c35481464455ec62b97d08f9bcb8ac75eadf87ffc4cfef30c3c3fd9edaa597fc
SHA512

0816afe793ae9a22faf85e9a7df3a388c8e37f163a36e0aa0de82f17c04e74454f4cbe806c82769fa12222f35a1e2a184b8be88a9b9c2b9e1d1c3aba1d07a900
SSDEEP

49152:RqgBPPawUWEUczq9ltHy2OG6ZDGq4f5Yrd62eKUXu:cWPPPHlHy2O9DG6rsu

Score

10^/10

privateloader risepro loader persistence stealer

Malware Config

Extracted

Family

risepro

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	1Dv96Mr0.exe

Executes dropped EXE 2 IoCs

pid	Process
4044	oy4Lu37.exe
4036	1Dv96Mr0.exe

Adds Run key to start application 2 TTPs 3 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\\\""	c35481464455ec62b97d08f9bcb8ac75eadf87ffc4cfef30c3c3fd9edaa597fc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	oy4Lu37.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	1Dv96Mr0.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	1Dv96Mr0.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	1Dv96Mr0.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	1Dv96Mr0.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	1Dv96Mr0.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
5080	schtasks.exe
1528	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 4044	1820	c35481464455ec62b97d08f9bcb8ac75eadf87ffc4cfef30c3c3fd9edaa597fc.exe	83
PID 1820 wrote to memory of 4044	1820	c35481464455ec62b97d08f9bcb8ac75eadf87ffc4cfef30c3c3fd9edaa597fc.exe	83
PID 1820 wrote to memory of 4044	1820	c35481464455ec62b97d08f9bcb8ac75eadf87ffc4cfef30c3c3fd9edaa597fc.exe	83
PID 4044 wrote to memory of 4036	4044	oy4Lu37.exe	84
PID 4044 wrote to memory of 4036	4044	oy4Lu37.exe	84
PID 4044 wrote to memory of 4036	4044	oy4Lu37.exe	84
PID 4036 wrote to memory of 5080	4036	1Dv96Mr0.exe	85
PID 4036 wrote to memory of 5080	4036	1Dv96Mr0.exe	85
PID 4036 wrote to memory of 5080	4036	1Dv96Mr0.exe	85
PID 4036 wrote to memory of 1528	4036	1Dv96Mr0.exe	87
PID 4036 wrote to memory of 1528	4036	1Dv96Mr0.exe	87
PID 4036 wrote to memory of 1528	4036	1Dv96Mr0.exe	87

C:\Users\Admin\AppData\Local\Temp\c35481464455ec62b97d08f9bcb8ac75eadf87ffc4cfef30c3c3fd9edaa597fc.exe
"C:\Users\Admin\AppData\Local\Temp\c35481464455ec62b97d08f9bcb8ac75eadf87ffc4cfef30c3c3fd9edaa597fc.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\oy4Lu37.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\oy4Lu37.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4044
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Dv96Mr0.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Dv96Mr0.exe
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:4036
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
      4⤵
      Creates scheduled task(s)
      PID:5080
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
      4⤵
      Creates scheduled task(s)
      PID:1528

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:2804

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:3752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\oy4Lu37.exe

Filesize
789KB

MD5
1dcdbcf631fb05e12487734a733f2b79

SHA1
9138c2ed6844cd26b1eb47dd00b1d229545acb5c

SHA256
f86a9b63f356deeaa9043578e1f534cf80a101d1ff6dd058c4667253caa0da39

SHA512
671cf9e503ccf8043910b7434160195118c0d06d8d8ab2804b3a7b431cf6c4145f5e2ec82deafafae3bb1e99fdff0e5eb903ac636c301ad1cb0dea7d75f06103

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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Dv96Mr0.exe

Filesize
1.6MB

MD5
11b13852475cc3e619eecd47b1563871

SHA1
985cad14e9b3da3faf6dd3b264319420dd45ce26

SHA256
53b00a9372888e384f38928b61e2e26a0b7599401edbe8af3904639db3c45164

SHA512
e1366978b0c2fa8a87e945f6f7b2fdb5e2edc9700523fa34b7e9ec28367b2ba64148973fdfd81cad519b948a8c4d2905949616be974aca5d126acc6d8b111d8d

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads