privateloader | 0b4a29371503050f6a8eef4f22ba7efa31a1d4237879465a8af6193db95f878c

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
17-08-2024 16:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0ca65873bab019cc2aab4ac90d391250N.exe
Size

2.8MB
MD5

0ca65873bab019cc2aab4ac90d391250
SHA1

45bd6825072b74a0b6882b90734d5c1d5d315722
SHA256

0b4a29371503050f6a8eef4f22ba7efa31a1d4237879465a8af6193db95f878c
SHA512

19b9df5d9a99ce6d2183ced8923e0deb0a871eba7522c724d0ffee9d4d69958cee0a65937a24e6b2d89933d23666cbcb8ac84868ddc107da625f87e8166e85dd
SSDEEP

49152:STT7fhc1mdzO7efDi++aitzWL/lg/4v9JPwapWO5GT/1DNEQ9Taw0Q/Tlk24U:SP7+11kH+a24dg/4vkaEzrJyhw0Ok2

Score

10^/10

privateloader evasion loader

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	0ca65873bab019cc2aab4ac90d391250N.exe

PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
loader privateloader

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	0ca65873bab019cc2aab4ac90d391250N.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	0ca65873bab019cc2aab4ac90d391250N.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	0ca65873bab019cc2aab4ac90d391250N.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	0ca65873bab019cc2aab4ac90d391250N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2208	0ca65873bab019cc2aab4ac90d391250N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 1088	2208	0ca65873bab019cc2aab4ac90d391250N.exe	31
PID 2208 wrote to memory of 1088	2208	0ca65873bab019cc2aab4ac90d391250N.exe	31
PID 2208 wrote to memory of 1088	2208	0ca65873bab019cc2aab4ac90d391250N.exe	31

C:\Users\Admin\AppData\Local\Temp\0ca65873bab019cc2aab4ac90d391250N.exe
"C:\Users\Admin\AppData\Local\Temp\0ca65873bab019cc2aab4ac90d391250N.exe"
1⤵
- Modifies firewall policy service
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2208 -s 232
  2⤵
  PID:1088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2208-0-0x000000013F786000-0x000000013F8E8000-memory.dmp

Filesize
1.4MB

Download
memory/2208-3-0x0000000077480000-0x0000000077482000-memory.dmp

Filesize
8KB

Download
memory/2208-1-0x0000000077480000-0x0000000077482000-memory.dmp

Filesize
8KB

Download
memory/2208-5-0x0000000077480000-0x0000000077482000-memory.dmp

Filesize
8KB

Download
memory/2208-8-0x0000000077490000-0x0000000077492000-memory.dmp

Filesize
8KB

Download
memory/2208-6-0x0000000077490000-0x0000000077492000-memory.dmp

Filesize
8KB

Download
memory/2208-10-0x0000000077490000-0x0000000077492000-memory.dmp

Filesize
8KB

Download
memory/2208-13-0x00000000774A0000-0x00000000774A2000-memory.dmp

Filesize
8KB

Download
memory/2208-11-0x00000000774A0000-0x00000000774A2000-memory.dmp

Filesize
8KB

Download
memory/2208-15-0x00000000774A0000-0x00000000774A2000-memory.dmp

Filesize
8KB

Download
memory/2208-18-0x00000000774B0000-0x00000000774B2000-memory.dmp

Filesize
8KB

Download
memory/2208-20-0x00000000774B0000-0x00000000774B2000-memory.dmp

Filesize
8KB

Download
memory/2208-16-0x00000000774B0000-0x00000000774B2000-memory.dmp

Filesize
8KB

Download
memory/2208-23-0x000007FEFD350000-0x000007FEFD352000-memory.dmp

Filesize
8KB

Download
memory/2208-25-0x000007FEFD350000-0x000007FEFD352000-memory.dmp

Filesize
8KB

Download
memory/2208-28-0x000007FEFD360000-0x000007FEFD362000-memory.dmp

Filesize
8KB

Download
memory/2208-30-0x000007FEFD360000-0x000007FEFD362000-memory.dmp

Filesize
8KB

Download
memory/2208-31-0x000000013F620000-0x000000013FBAC000-memory.dmp

Filesize
5.5MB

Download
memory/2208-42-0x000000013F786000-0x000000013F8E8000-memory.dmp

Filesize
1.4MB

Download