vipkeylogger | b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 01:31

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General

Target

b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe
Size

751KB
MD5

102c9ce1c659517c4ea924c2044305b7
SHA1

942b0a7e2077eca38b9b6ff16d89722cbbbf7002
SHA256

b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310
SHA512

eca6ed6a871e9fbee67feb73534bff544f052d6b3e1058a68b4602f159f089193f0f576384e6cd49373d50200d71bb4aeadd151c0fb81a77a6246849af2f39f6
SSDEEP

12288:L3TmP4kyFSnIZgc1D7COp2JwlmsxS4kZHtfi390V+KA7rC7LOmDZ:2gBOI9D7CO0JqTSRNfiQsG7LOmD

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.pymetal.net
Port:
587
Username:
[email protected]
Password:
21hnosgomezrecambios2021
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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
748	powershell.exe
4504	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe

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 3 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

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-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.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
27	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 4036	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	95

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2256	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe
748	powershell.exe
4504	powershell.exe
2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe
748	powershell.exe
4036	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe
4504	powershell.exe
4036	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe
Token: SeDebugPrivilege	748	powershell.exe
Token: SeDebugPrivilege	4504	powershell.exe
Token: SeDebugPrivilege	4036	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 748	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	89
PID 2812 wrote to memory of 748	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	89
PID 2812 wrote to memory of 748	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	89
PID 2812 wrote to memory of 4504	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	91
PID 2812 wrote to memory of 4504	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	91
PID 2812 wrote to memory of 4504	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	91
PID 2812 wrote to memory of 2256	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	92
PID 2812 wrote to memory of 2256	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	92
PID 2812 wrote to memory of 2256	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	92
PID 2812 wrote to memory of 4036	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	95
PID 2812 wrote to memory of 4036	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	95
PID 2812 wrote to memory of 4036	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	95
PID 2812 wrote to memory of 4036	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	95
PID 2812 wrote to memory of 4036	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	95
PID 2812 wrote to memory of 4036	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	95
PID 2812 wrote to memory of 4036	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	95
PID 2812 wrote to memory of 4036	2812	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe

C:\Users\Admin\AppData\Local\Temp\b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe
"C:\Users\Admin\AppData\Local\Temp\b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:748
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AcEnrS.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4504
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AcEnrS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4784.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2256
- C:\Users\Admin\AppData\Local\Temp\b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.exe
  "C:\Users\Admin\AppData\Local\Temp\b31cbc6ec2eb2b790c422f0f960bb1436106d92958703cb005ccdef38887e310.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:4036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
ec155542c2a40e657e02793f796cfe1f

SHA1
41f90bbe8ea1fb65d082507095b92bf157f46d38

SHA256
31ea8acc92ccc821aaff4e87f58d081ec8f9234b08594b0a2376565aaa2284d1

SHA512
537bf78a9cb2b9fda4a2af4c606960427c359e196396a6593d8ed02aedc893806ac6d97b5d044b7364a1cf21d77fdad9be69af7b8a2fc1b48a28cdd87dcbae0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q4zwai53.dq3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4784.tmp

Filesize
1KB

MD5
bd85c4ec655ba60f7fdeff6c1f580482

SHA1
bb7dac035d738672c37a3f8bd3cccb48da000a4d

SHA256
e020bd749ba31146105293465d893c8461cea96812279a7479c1f1e5294607bf

SHA512
e1def57193fa1c1e5a330b89befa42e58e69d98b2540851e05bcf975445bee6c704e381b78e03f8de7749ed3839454823e2053d46c437387176cec3a889f93c1

Download Submit
memory/748-21-0x00000000056B0000-0x00000000056D2000-memory.dmp

Filesize
136KB

Download
memory/748-75-0x0000000007810000-0x000000000781A000-memory.dmp

Filesize
40KB

Download
memory/748-87-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/748-47-0x0000000006470000-0x000000000648E000-memory.dmp

Filesize
120KB

Download
memory/748-81-0x0000000007AC0000-0x0000000007AC8000-memory.dmp

Filesize
32KB

Download
memory/748-80-0x0000000007AE0000-0x0000000007AFA000-memory.dmp

Filesize
104KB

Download
memory/748-77-0x00000000079A0000-0x00000000079B1000-memory.dmp

Filesize
68KB

Download
memory/748-15-0x0000000002B50000-0x0000000002B86000-memory.dmp

Filesize
216KB

Download
memory/748-16-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/748-17-0x0000000005770000-0x0000000005D98000-memory.dmp

Filesize
6.2MB

Download
memory/748-76-0x0000000007A20000-0x0000000007AB6000-memory.dmp

Filesize
600KB

Download
memory/748-19-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/748-48-0x0000000006A10000-0x0000000006A5C000-memory.dmp

Filesize
304KB

Download
memory/748-73-0x0000000007E10000-0x000000000848A000-memory.dmp

Filesize
6.5MB

Download
memory/748-74-0x00000000077B0000-0x00000000077CA000-memory.dmp

Filesize
104KB

Download
memory/748-31-0x0000000005E80000-0x00000000061D4000-memory.dmp

Filesize
3.3MB

Download
memory/748-72-0x00000000074E0000-0x0000000007583000-memory.dmp

Filesize
652KB

Download
memory/748-23-0x0000000005E10000-0x0000000005E76000-memory.dmp

Filesize
408KB

Download
memory/748-61-0x000000006F910000-0x000000006F95C000-memory.dmp

Filesize
304KB

Download
memory/748-22-0x0000000005DA0000-0x0000000005E06000-memory.dmp

Filesize
408KB

Download
memory/748-18-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/2812-10-0x000000000BDB0000-0x000000000BE4C000-memory.dmp

Filesize
624KB

Download
memory/2812-4-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/2812-49-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/2812-5-0x0000000004DC0000-0x0000000004DCA000-memory.dmp

Filesize
40KB

Download
memory/2812-6-0x00000000050D0000-0x00000000050EE000-memory.dmp

Filesize
120KB

Download
memory/2812-7-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

Filesize
4KB

Download
memory/2812-3-0x0000000004DD0000-0x0000000004E62000-memory.dmp

Filesize
584KB

Download
memory/2812-1-0x0000000000300000-0x00000000003C2000-memory.dmp

Filesize
776KB

Download
memory/2812-2-0x0000000005470000-0x0000000005A14000-memory.dmp

Filesize
5.6MB

Download
memory/2812-8-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/2812-9-0x0000000002620000-0x00000000026AC000-memory.dmp

Filesize
560KB

Download
memory/2812-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

Filesize
4KB

Download
memory/4036-45-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4036-90-0x0000000006CC0000-0x0000000006D10000-memory.dmp

Filesize
320KB

Download
memory/4036-89-0x0000000006E30000-0x0000000006FF2000-memory.dmp

Filesize
1.8MB

Download
memory/4504-78-0x00000000073A0000-0x00000000073AE000-memory.dmp

Filesize
56KB

Download
memory/4504-79-0x00000000073B0000-0x00000000073C4000-memory.dmp

Filesize
80KB

Download
memory/4504-88-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/4504-30-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/4504-51-0x000000006F910000-0x000000006F95C000-memory.dmp

Filesize
304KB

Download
memory/4504-62-0x0000000007020000-0x000000000703E000-memory.dmp

Filesize
120KB

Download
memory/4504-50-0x0000000006FC0000-0x0000000006FF2000-memory.dmp

Filesize
200KB

Download
memory/4504-20-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download