privateloader | bfb86d8c3f044b453f53319ebee8bc40fc34ae365254ee6dd655e95b9a3297d5

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20231130-en
resource tags

arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
submitted
12/12/2023, 10:26

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General

Target

cf1be540b34376e12082763c741c9aac3fa3ff8964b09e53d05a9f25766ae8a8.exe
Size

1.2MB
MD5

a55a2b69777af8a53d6a2ac02ada447f
SHA1

c06984d0a2f38d962b23c82f1965c1a005abc2ec
SHA256

cf1be540b34376e12082763c741c9aac3fa3ff8964b09e53d05a9f25766ae8a8
SHA512

bc5c32a0b867af0430816bbecee55f65580614a0b4e6864f5ef2b3bfaf7f902a07362323d575df9bbe160c4700ba88ab84548f0a2d190d8ad36d73b3447392ec
SSDEEP

24576:WyR0w2vgoqQ/d4qULIhF6Wd1szo3GdRyXZz3nqC1PQyXlb7O4I63g:l+RDqaDtkWd1szo3u90PQyVb7Fx

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	1hl52Hr6.exe

Executes dropped EXE 2 IoCs

pid	Process
2136	zM8Ee42.exe
2056	1hl52Hr6.exe

Loads dropped DLL 5 IoCs

pid	Process
2044	cf1be540b34376e12082763c741c9aac3fa3ff8964b09e53d05a9f25766ae8a8.exe
2136	zM8Ee42.exe
2136	zM8Ee42.exe
2056	1hl52Hr6.exe
2056	1hl52Hr6.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\\\""	cf1be540b34376e12082763c741c9aac3fa3ff8964b09e53d05a9f25766ae8a8.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\\\""	zM8Ee42.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2058106572-1146578376-825901627-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	1hl52Hr6.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	1hl52Hr6.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	1hl52Hr6.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	1hl52Hr6.exe
File opened for modification	C:\Windows\System32\GroupPolicy	1hl52Hr6.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
2720	schtasks.exe
2592	schtasks.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 2136	2044	cf1be540b34376e12082763c741c9aac3fa3ff8964b09e53d05a9f25766ae8a8.exe	28
PID 2044 wrote to memory of 2136	2044	cf1be540b34376e12082763c741c9aac3fa3ff8964b09e53d05a9f25766ae8a8.exe	28
PID 2044 wrote to memory of 2136	2044	cf1be540b34376e12082763c741c9aac3fa3ff8964b09e53d05a9f25766ae8a8.exe	28
PID 2044 wrote to memory of 2136	2044	cf1be540b34376e12082763c741c9aac3fa3ff8964b09e53d05a9f25766ae8a8.exe	28
PID 2044 wrote to memory of 2136	2044	cf1be540b34376e12082763c741c9aac3fa3ff8964b09e53d05a9f25766ae8a8.exe	28
PID 2044 wrote to memory of 2136	2044	cf1be540b34376e12082763c741c9aac3fa3ff8964b09e53d05a9f25766ae8a8.exe	28
PID 2044 wrote to memory of 2136	2044	cf1be540b34376e12082763c741c9aac3fa3ff8964b09e53d05a9f25766ae8a8.exe	28
PID 2136 wrote to memory of 2056	2136	zM8Ee42.exe	29
PID 2136 wrote to memory of 2056	2136	zM8Ee42.exe	29
PID 2136 wrote to memory of 2056	2136	zM8Ee42.exe	29
PID 2136 wrote to memory of 2056	2136	zM8Ee42.exe	29
PID 2136 wrote to memory of 2056	2136	zM8Ee42.exe	29
PID 2136 wrote to memory of 2056	2136	zM8Ee42.exe	29
PID 2136 wrote to memory of 2056	2136	zM8Ee42.exe	29
PID 2056 wrote to memory of 2720	2056	1hl52Hr6.exe	31
PID 2056 wrote to memory of 2720	2056	1hl52Hr6.exe	31
PID 2056 wrote to memory of 2720	2056	1hl52Hr6.exe	31
PID 2056 wrote to memory of 2720	2056	1hl52Hr6.exe	31
PID 2056 wrote to memory of 2720	2056	1hl52Hr6.exe	31
PID 2056 wrote to memory of 2720	2056	1hl52Hr6.exe	31
PID 2056 wrote to memory of 2720	2056	1hl52Hr6.exe	31
PID 2056 wrote to memory of 2592	2056	1hl52Hr6.exe	33
PID 2056 wrote to memory of 2592	2056	1hl52Hr6.exe	33
PID 2056 wrote to memory of 2592	2056	1hl52Hr6.exe	33
PID 2056 wrote to memory of 2592	2056	1hl52Hr6.exe	33
PID 2056 wrote to memory of 2592	2056	1hl52Hr6.exe	33
PID 2056 wrote to memory of 2592	2056	1hl52Hr6.exe	33
PID 2056 wrote to memory of 2592	2056	1hl52Hr6.exe	33

C:\Users\Admin\AppData\Local\Temp\cf1be540b34376e12082763c741c9aac3fa3ff8964b09e53d05a9f25766ae8a8.exe
"C:\Users\Admin\AppData\Local\Temp\cf1be540b34376e12082763c741c9aac3fa3ff8964b09e53d05a9f25766ae8a8.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zM8Ee42.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zM8Ee42.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2136
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1hl52Hr6.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1hl52Hr6.exe
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:2056
  - - 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:2720
  - - 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:2592

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\IXP001.TMP\1hl52Hr6.exe

Filesize
1.6MB

MD5
debbf940c4649038ec0ef78f99d3ab44

SHA1
af70044e910652121a082c52922654aaea6a2119

SHA256
9b6a7eb3d4e22c901867b6a570f8b29669844eb4776e2202fca1bd1fa2ec1a5b

SHA512
c80393826f65b3288c95702c59f14aecea204479e17f8083b778b0280fc67bc8007130bd075f5f574477f3a5cf49823862ae6bd283edc201073723a42159d415

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\Users\Admin\AppData\Local\Temp\IXP000.TMP\zM8Ee42.exe

Filesize
789KB

MD5
cda64ec08a1818f872952b056d7237d1

SHA1
014f48780a94fcfc9f13b56a57766e92e683feec

SHA256
6ebb6a5cd1c41925ef799504d352a5a74599d08314d77d811941cba14ca40133

SHA512
3ab4913c1e15cc99418fd8d66b1b589e345d45e377626d3567f1295e080fc81baaafc7fc0a6dea4c55480c9e1bfacca4126648fc9a46371a0d37e5528f40cf87

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads