privateloader | 4f3628405a0f70087cd62e45235a2c5bce9919186cfbf446b5d6adf768420fe0 | Triage

Analysis

max time kernel
147s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
24-05-2023 07:54

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General

Target

File.exe
Size

655.0MB
MD5

4eb9b0f0903b77be9247978ffbc8814f
SHA1

ea21fa7fd9a430a899a67136b6f864bbd6ea74b9
SHA256

ba88907898f51ddf30595e773cd5de0f28020ad70af49e530c89b20501bc0f94
SHA512

fec3dec02889784e2aa6e82f64f85e397ce44812287312809081e299aca960ac03cc23dbccc43e72c621a05b80de1a6bbce04003d0538708e9a45fe5d74e8a1f
SSDEEP

98304:Jkfy48U0RHYuMH+F4mMURdns7gefj/vIeZuNYq8CIF+k/SL7IwXdz:Jka4t0/s7gefrvENhuwaSYU

Score

10^/10

privateloader loader

Malware Config

Signatures

PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
loader privateloader
Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 ipinfo.io
4 ipinfo.io
8 api.db-ip.com
9 api.db-ip.com

Drops file in System32 directory 4 IoCs

Processes:

File.exe

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

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1936 928 WerFault.exe File.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

File.exe

description	pid	process	target process
PID 928 wrote to memory of 1936	928	File.exe	WerFault.exe
PID 928 wrote to memory of 1936	928	File.exe	WerFault.exe
PID 928 wrote to memory of 1936	928	File.exe	WerFault.exe
PID 928 wrote to memory of 1936	928	File.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\File.exe
"C:\Users\Admin\AppData\Local\Temp\File.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 928 -s 988
2⤵
- Program crash
PID:1936

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/928-54-0x0000000000400000-0x0000000000EB6000-memory.dmp

Filesize
10.7MB

Download
memory/928-56-0x0000000000400000-0x0000000000EB6000-memory.dmp

Filesize
10.7MB

Download
memory/928-57-0x0000000000400000-0x0000000000EB6000-memory.dmp

Filesize
10.7MB

Download
memory/928-67-0x0000000000400000-0x0000000000EB6000-memory.dmp

Filesize
10.7MB

Download