privateloader | 6c54458a3df80f3801df48d60cbafaa64b643f155bdd608140ef508134d52d68

Analysis

max time kernel
138s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2023, 17:35

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General

Target

file.exe
Size

8.9MB
MD5

887c0911835ace94104d8c570632409a
SHA1

3192b8b83d62a44b22dbdd9f627fde49d16e5350
SHA256

6c54458a3df80f3801df48d60cbafaa64b643f155bdd608140ef508134d52d68
SHA512

f24b3e601874d7f5816f6c5d94598a4e94df6195ad52c32fc716e2c0a7ea518cd6f936722e2eb4654b70d2666365cbd4435bd095633a47d802b6cd1fb41b3bc7
SSDEEP

196608:4Z1+0PfiEOE6NJ8Jkt9KCS1r8ek//fCc3NbFmQLG:4Z1PSEz6GkLS1r8ek/CH4G

Score

10^/10

privateloader loader spyware stealer

Malware Config

Signatures

PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
loader privateloader
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
33	ipinfo.io
35	ipinfo.io

Drops file in System32 directory 4 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4268 set thread context of 5040	4268	file.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5040	file.exe
5040	file.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 5040	4268	file.exe	86
PID 4268 wrote to memory of 5040	4268	file.exe	86
PID 4268 wrote to memory of 5040	4268	file.exe	86
PID 4268 wrote to memory of 5040	4268	file.exe	86
PID 4268 wrote to memory of 5040	4268	file.exe	86
PID 4268 wrote to memory of 5040	4268	file.exe	86
PID 4268 wrote to memory of 5040	4268	file.exe	86
PID 4268 wrote to memory of 5040	4268	file.exe	86
PID 4268 wrote to memory of 5040	4268	file.exe	86
PID 4268 wrote to memory of 5040	4268	file.exe	86

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  PID:5040

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3308

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:3732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tempCMSiLy9rNhYhbPg\information.txt

Filesize
3KB

MD5
e88b6e4f2793774bd35e2afcc46bfc5a

SHA1
8a7d548dfb6198aba78178344138ca69cbf56a72

SHA256
0548c76add0b06dd3fe3a72d6928d699918247c1f89c07ecc7be5ec07b591eed

SHA512
28c76ca66bd140d054a61d7ccbf251214a39c96fb6b4102ec039a3eb186d88ef48d279ee366e954cd28d93b34d9b8bf55c142028697bebf08b5b7dd42d749542

Download Submit
memory/4268-140-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4268-134-0x0000000000140000-0x0000000000A38000-memory.dmp

Filesize
9.0MB

Download
memory/4268-135-0x00000000057C0000-0x0000000005D64000-memory.dmp

Filesize
5.6MB

Download
memory/4268-136-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download
memory/4268-133-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/5040-150-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/5040-161-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/5040-142-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/5040-149-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/5040-139-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/5040-151-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/5040-162-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/5040-141-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/5040-207-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/5040-204-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/5040-210-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/5040-222-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/5040-137-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/5040-238-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download