privateloader | e288a1d536ec454ab91caedf036f512d5a05a2a3b1f721cd1e1927a3c74d0fbf

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08-06-2024 02:44

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General

Target

9ed5bbcdc3ba7bd86c534424f7a5c8f80bac6618b7b79cd8caad7060272e107f.exe
Size

3.3MB
MD5

30747903174aaf785850d4c0a306dd1f
SHA1

6312833fd6b72358334d21ad2ce689ca3defb0c6
SHA256

9ed5bbcdc3ba7bd86c534424f7a5c8f80bac6618b7b79cd8caad7060272e107f
SHA512

74ed2e8188f60b9ec6d087f6e10b5b5cb79b8abeb625bd8f574c7d6f604ea888d487f893d1f89a53970e496de1d3dbefdc886132de02c7c1bd5d9e0a7132ec21
SSDEEP

49152:v0JkLMjIxOE3cqFjTdiqH7ZQiIK4ePyS5wfm26hEbH4BMEt96kSOIsk3G8pxxuln:cxw3/tT5H7ZNIK4YLS0BLz6kyLWOPOP

Score

10^/10

privateloader evasion loader

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	9ed5bbcdc3ba7bd86c534424f7a5c8f80bac6618b7b79cd8caad7060272e107f.exe

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
3	api.myip.com
6	ipinfo.io
7	ipinfo.io
2	api.myip.com

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	9ed5bbcdc3ba7bd86c534424f7a5c8f80bac6618b7b79cd8caad7060272e107f.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	9ed5bbcdc3ba7bd86c534424f7a5c8f80bac6618b7b79cd8caad7060272e107f.exe
File opened for modification	C:\Windows\System32\GroupPolicy	9ed5bbcdc3ba7bd86c534424f7a5c8f80bac6618b7b79cd8caad7060272e107f.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	9ed5bbcdc3ba7bd86c534424f7a5c8f80bac6618b7b79cd8caad7060272e107f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4408	9ed5bbcdc3ba7bd86c534424f7a5c8f80bac6618b7b79cd8caad7060272e107f.exe
4408	9ed5bbcdc3ba7bd86c534424f7a5c8f80bac6618b7b79cd8caad7060272e107f.exe

C:\Users\Admin\AppData\Local\Temp\9ed5bbcdc3ba7bd86c534424f7a5c8f80bac6618b7b79cd8caad7060272e107f.exe
"C:\Users\Admin\AppData\Local\Temp\9ed5bbcdc3ba7bd86c534424f7a5c8f80bac6618b7b79cd8caad7060272e107f.exe"
1⤵
- Modifies firewall policy service
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:4408

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:5024

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4844

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3436 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
1⤵
PID:2316

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

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4408-0-0x00007FF6DF554000-0x00007FF6DF6CB000-memory.dmp

Filesize
1.5MB

Download
memory/4408-1-0x00007FFA54C10000-0x00007FFA54C12000-memory.dmp

Filesize
8KB

Download
memory/4408-2-0x00007FFA54C20000-0x00007FFA54C22000-memory.dmp

Filesize
8KB

Download
memory/4408-3-0x00007FFA54150000-0x00007FFA54152000-memory.dmp

Filesize
8KB

Download
memory/4408-4-0x00007FFA54160000-0x00007FFA54162000-memory.dmp

Filesize
8KB

Download
memory/4408-5-0x00007FFA52810000-0x00007FFA52812000-memory.dmp

Filesize
8KB

Download
memory/4408-6-0x00007FFA52820000-0x00007FFA52822000-memory.dmp

Filesize
8KB

Download
memory/4408-9-0x00007FF6DF350000-0x00007FF6DFA0F000-memory.dmp

Filesize
6.7MB

Download
memory/4408-18-0x00000153DED70000-0x00000153DEDF3000-memory.dmp

Filesize
524KB

Download
memory/4408-20-0x00007FF6DF554000-0x00007FF6DF6CB000-memory.dmp

Filesize
1.5MB

Download