vipkeylogger | b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1

General

Target

b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe
Size

1.6MB
MD5

7e6bb0d23284faac75536fa4129331c1
SHA1

f3f2d718162646c494daf44daee88c822146fff9
SHA256

b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1
SHA512

9aefe5830ad266d974ca8b8f7da64444ea406970ed7febebb5d5d9a17545a0c82f1758a95758852aad095c9b795a39645531b2fd25cbae341ab5de8c3a3ef580
SSDEEP

12288:ZvbxYB8F+ZBPHBjcx68ewOHWHvjaNrBpONhzV/aWN8euhklD:lxUy+LPVv8vKWbVdLRt

Score

10^/10

vipkeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
cp1.virtualine.org
Port:
587
Username:
[email protected]
Password:
7213575aceACE@@
Email To:
[email protected]

Signatures

VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
9	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2664 set thread context of 5020	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	83

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5020	installutil.exe
5020	installutil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5020	installutil.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 5072	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	82
PID 2664 wrote to memory of 5072	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	82
PID 2664 wrote to memory of 5072	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	82
PID 2664 wrote to memory of 5020	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	83
PID 2664 wrote to memory of 5020	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	83
PID 2664 wrote to memory of 5020	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	83
PID 2664 wrote to memory of 5020	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	83
PID 2664 wrote to memory of 5020	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	83
PID 2664 wrote to memory of 5020	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	83
PID 2664 wrote to memory of 5020	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	83
PID 2664 wrote to memory of 5020	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	83
PID 2664 wrote to memory of 3124	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	84
PID 2664 wrote to memory of 3124	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	84
PID 2664 wrote to memory of 3124	2664	b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

C:\Users\Admin\AppData\Local\Temp\b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe
"C:\Users\Admin\AppData\Local\Temp\b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:5072
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:5020
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  PID:3124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2664-0-0x00007FFF42D93000-0x00007FFF42D95000-memory.dmp

Filesize
8KB

Download
memory/2664-1-0x00000254756C0000-0x00000254756C8000-memory.dmp

Filesize
32KB

Download
memory/2664-2-0x0000025477AD0000-0x0000025477B6C000-memory.dmp

Filesize
624KB

Download
memory/2664-3-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

Filesize
10.8MB

Download
memory/2664-9-0x00007FFF42D90000-0x00007FFF43851000-memory.dmp

Filesize
10.8MB

Download
memory/5020-8-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/5020-6-0x0000000005D90000-0x0000000006334000-memory.dmp

Filesize
5.6MB

Download
memory/5020-7-0x00000000056F0000-0x000000000578C000-memory.dmp

Filesize
624KB

Download
memory/5020-5-0x000000007509E000-0x000000007509F000-memory.dmp

Filesize
4KB

Download
memory/5020-4-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/5020-10-0x000000007509E000-0x000000007509F000-memory.dmp

Filesize
4KB

Download
memory/5020-11-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/5020-12-0x0000000006A50000-0x0000000006C12000-memory.dmp

Filesize
1.8MB

Download
memory/5020-13-0x00000000068D0000-0x0000000006920000-memory.dmp

Filesize
320KB

Download
memory/5020-14-0x0000000006C20000-0x0000000006CB2000-memory.dmp

Filesize
584KB

Download
memory/5020-15-0x00000000069F0000-0x00000000069FA000-memory.dmp

Filesize
40KB

Download

Analysis

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