privateloader | e4cfaf2310c8aa89c4ccbc38a70aaa1cd3a61f41313f220800068c91c7dbacfb

General

Target
E4CFAF2310C8AA89C4CCBC38A70AAA1CD3A61F41313F2.exe
Size 4.1MB
Sample230408-k2qrfsef3x
SHA256 e4cfaf2310c8aa89c4ccbc38a70aaa1cd3a61f41313f220800068c91c7dbacfb
MD5 8f67bbe50fe17267595b3dddcfa081ac
SHA1 b7bf9d3c5809020f105bbf6de4cb184ffae0b87a
SHA512 cdbb1addcf28c6d1b27b6c82d9e8c6a1e961b78999e02b3abd0d4669e6b0225d12fc84ec9fab0dc6816cc0d1131196f64ca76c36be9a6a5c0297dc89d492d71b
SSDEEP 98304:y75+158l6ArVUA20XeYd+WTgCdrnbhqL46xmOcBWlonMkzlML:y1+1G0w2QdMC1nbhx6A3oonMb
MD5 SHA1 SHA512 SSDEEP

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.

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

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	E4CFAF2310C8AA89C4CCBC38A70AAA1CD3A61F41313F2.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	E4CFAF2310C8AA89C4CCBC38A70AAA1CD3A61F41313F2.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	E4CFAF2310C8AA89C4CCBC38A70AAA1CD3A61F41313F2.exe
File opened for modification	C:\Windows\System32\GroupPolicy	E4CFAF2310C8AA89C4CCBC38A70AAA1CD3A61F41313F2.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1732	1748	WerFault.exe	27

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	E4CFAF2310C8AA89C4CCBC38A70AAA1CD3A61F41313F2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	E4CFAF2310C8AA89C4CCBC38A70AAA1CD3A61F41313F2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 1732	1748	E4CFAF2310C8AA89C4CCBC38A70AAA1CD3A61F41313F2.exe	28
PID 1748 wrote to memory of 1732	1748	E4CFAF2310C8AA89C4CCBC38A70AAA1CD3A61F41313F2.exe	28
PID 1748 wrote to memory of 1732	1748	E4CFAF2310C8AA89C4CCBC38A70AAA1CD3A61F41313F2.exe	28
PID 1748 wrote to memory of 1732	1748	E4CFAF2310C8AA89C4CCBC38A70AAA1CD3A61F41313F2.exe	28

C:\Users\Admin\AppData\Local\Temp\E4CFAF2310C8AA89C4CCBC38A70AAA1CD3A61F41313F2.exe
"C:\Users\Admin\AppData\Local\Temp\E4CFAF2310C8AA89C4CCBC38A70AAA1CD3A61F41313F2.exe"
1⤵
- Drops file in System32 directory
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 968
  2⤵
  - Program crash
  PID:1732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1748-54-0x0000000000400000-0x0000000000C9E000-memory.dmp

Download

memory/1748-56-0x0000000000400000-0x0000000000C9E000-memory.dmp

Download

memory/1748-66-0x0000000000400000-0x0000000000C9E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads