privateloader | fdf378efa5749387f813c8a3de2d1e964a9eda5a509cf5c4996980d7af5badef

General

Target

file.exe
Size

3.4MB
MD5

08babe47a702361d04e2ada7c02b00cd
SHA1

f2b3d863dfd2046acda704948c5f1402abefe66c
SHA256

fdf378efa5749387f813c8a3de2d1e964a9eda5a509cf5c4996980d7af5badef
SHA512

f5af9a0fdd9c44c8d18435348942d0138fb34875d1038f15623fbdbebe95d5f87485d8c31abbcacf939f198091adcf70b180a3388154afebec67bd5e1b50ff5f
SSDEEP

49152:6tKSwRhZ2eDztBs9LE1zsvDc3aRtT/coRAmpsMQHBaGxx9EfaaIPl9PVnZbZWhzc:xR1W9ozScacvdx/aIXPVnZCKwrb+

Score

10^/10

privateloader risepro discovery evasion loader persistence stealer themida trojan

Malware Config

Extracted

Family

risepro

C2

194.110.13.70

147.45.47.169

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

file.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

file.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.exe

Drops startup file 1 IoCs

Processes:

file.exe

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

Themida packer 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/812-0-0x0000000000070000-0x0000000000B5A000-memory.dmp	themida
behavioral2/memory/812-10-0x0000000000070000-0x0000000000B5A000-memory.dmp	themida
behavioral2/memory/812-12-0x0000000000070000-0x0000000000B5A000-memory.dmp	themida
behavioral2/memory/812-13-0x0000000000070000-0x0000000000B5A000-memory.dmp	themida
behavioral2/memory/812-15-0x0000000000070000-0x0000000000B5A000-memory.dmp	themida
behavioral2/memory/812-14-0x0000000000070000-0x0000000000B5A000-memory.dmp	themida
behavioral2/memory/812-11-0x0000000000070000-0x0000000000B5A000-memory.dmp	themida
behavioral2/files/0x00070000000234e6-21.dat	themida
behavioral2/memory/812-23-0x0000000000070000-0x0000000000B5A000-memory.dmp	themida
behavioral2/memory/812-41-0x0000000000070000-0x0000000000B5A000-memory.dmp	themida

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

file.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ExtreamFanV5 = "C:\\Users\\Admin\\AppData\\Local\\ExtreamFanV5\\ExtreamFanV5.exe"	file.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

file.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

file.exe

pid	Process
812	file.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 3 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:

file.exeschtasks.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

Processes:

schtasks.exeschtasks.exe

pid	Process
2540	schtasks.exe
2288	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exe

pid	Process
812	file.exe
812	file.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

file.exe

description	pid	Process	procid_target
PID 812 wrote to memory of 2540	812	file.exe	86
PID 812 wrote to memory of 2540	812	file.exe	86
PID 812 wrote to memory of 2540	812	file.exe	86
PID 812 wrote to memory of 2288	812	file.exe	89
PID 812 wrote to memory of 2288	812	file.exe	89
PID 812 wrote to memory of 2288	812	file.exe	89

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Drops startup file
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:812
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\ProgramData\WinTrackerSP\WinTrackerSP.exe" /tn "WinTrackerSP HR" /sc HOURLY /rl HIGHEST
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2540
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\ProgramData\WinTrackerSP\WinTrackerSP.exe" /tn "WinTrackerSP LG" /sc ONLOGON /rl HIGHEST
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2288

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

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\WinTrackerSP\WinTrackerSP.exe

Filesize
3.4MB

MD5
08babe47a702361d04e2ada7c02b00cd

SHA1
f2b3d863dfd2046acda704948c5f1402abefe66c

SHA256
fdf378efa5749387f813c8a3de2d1e964a9eda5a509cf5c4996980d7af5badef

SHA512
f5af9a0fdd9c44c8d18435348942d0138fb34875d1038f15623fbdbebe95d5f87485d8c31abbcacf939f198091adcf70b180a3388154afebec67bd5e1b50ff5f

Download Submit
memory/812-15-0x0000000000070000-0x0000000000B5A000-memory.dmp

Filesize
10.9MB

Download
memory/812-8-0x00000000768E0000-0x00000000769D0000-memory.dmp

Filesize
960KB

Download
memory/812-11-0x0000000000070000-0x0000000000B5A000-memory.dmp

Filesize
10.9MB

Download
memory/812-7-0x00000000768E0000-0x00000000769D0000-memory.dmp

Filesize
960KB

Download
memory/812-9-0x00000000768E0000-0x00000000769D0000-memory.dmp

Filesize
960KB

Download
memory/812-5-0x00000000768E0000-0x00000000769D0000-memory.dmp

Filesize
960KB

Download
memory/812-10-0x0000000000070000-0x0000000000B5A000-memory.dmp

Filesize
10.9MB

Download
memory/812-12-0x0000000000070000-0x0000000000B5A000-memory.dmp

Filesize
10.9MB

Download
memory/812-4-0x00000000768E0000-0x00000000769D0000-memory.dmp

Filesize
960KB

Download
memory/812-0-0x0000000000070000-0x0000000000B5A000-memory.dmp

Filesize
10.9MB

Download
memory/812-41-0x0000000000070000-0x0000000000B5A000-memory.dmp

Filesize
10.9MB

Download
memory/812-6-0x00000000768E0000-0x00000000769D0000-memory.dmp

Filesize
960KB

Download
memory/812-13-0x0000000000070000-0x0000000000B5A000-memory.dmp

Filesize
10.9MB

Download
memory/812-2-0x00000000768E0000-0x00000000769D0000-memory.dmp

Filesize
960KB

Download
memory/812-3-0x00000000768E0000-0x00000000769D0000-memory.dmp

Filesize
960KB

Download
memory/812-1-0x0000000076900000-0x0000000076901000-memory.dmp

Filesize
4KB

Download
memory/812-23-0x0000000000070000-0x0000000000B5A000-memory.dmp

Filesize
10.9MB

Download
memory/812-27-0x00000000768E0000-0x00000000769D0000-memory.dmp

Filesize
960KB

Download
memory/812-26-0x00000000768E0000-0x00000000769D0000-memory.dmp

Filesize
960KB

Download
memory/812-25-0x0000000076900000-0x0000000076901000-memory.dmp

Filesize
4KB

Download
memory/812-29-0x00000000768E0000-0x00000000769D0000-memory.dmp

Filesize
960KB

Download
memory/812-14-0x0000000000070000-0x0000000000B5A000-memory.dmp

Filesize
10.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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