vipkeylogger | 8a19a6847d7822de0e22b7c094a56aeec98628477c69f205eaebfba4a4193941

General

Target

8db24332a5fab95f955dafe3fcac34cf932d9d0afa6b6d3a2406cc09304171b9.exe
Size

1.5MB
MD5

4e78f6aefc51d6c727cb3c1e4bf0fb81
SHA1

7fa38adc2c202186ff20386b4e2e5243b202b81b
SHA256

8db24332a5fab95f955dafe3fcac34cf932d9d0afa6b6d3a2406cc09304171b9
SHA512

2a94650ec86f1b96ff39b6c6664c845264795a9277d88c03704d0352af6b0713a92b03ca2dbd02c00891e5993ee8f65e8217259a41e0a181e75e8093840534d8
SSDEEP

24576:b062cSEk8zNlLvC3nrOvC/RTXn036CcS2X9+R3qYpsSMZoCM+GjhHBATdI:A6PayQrlRjc6phQ8SM/GvAe

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Signatures

VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger

Checks computer location settings 2 TTPs 2 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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	8db24332a5fab95f955dafe3fcac34cf932d9d0afa6b6d3a2406cc09304171b9.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 1 IoCs

pid	Process
3808	encrypted.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-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	encrypted.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	encrypted.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	encrypted.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
14	checkip.dyndns.org

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 2 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	8db24332a5fab95f955dafe3fcac34cf932d9d0afa6b6d3a2406cc09304171b9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings	8db24332a5fab95f955dafe3fcac34cf932d9d0afa6b6d3a2406cc09304171b9.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3808	encrypted.exe
3808	encrypted.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3808	encrypted.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 3616	2576	8db24332a5fab95f955dafe3fcac34cf932d9d0afa6b6d3a2406cc09304171b9.exe	82
PID 2576 wrote to memory of 3616	2576	8db24332a5fab95f955dafe3fcac34cf932d9d0afa6b6d3a2406cc09304171b9.exe	82
PID 2576 wrote to memory of 3616	2576	8db24332a5fab95f955dafe3fcac34cf932d9d0afa6b6d3a2406cc09304171b9.exe	82
PID 3616 wrote to memory of 3808	3616	WScript.exe	83
PID 3616 wrote to memory of 3808	3616	WScript.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	encrypted.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	encrypted.exe

C:\Users\Admin\AppData\Local\Temp\8db24332a5fab95f955dafe3fcac34cf932d9d0afa6b6d3a2406cc09304171b9.exe
"C:\Users\Admin\AppData\Local\Temp\8db24332a5fab95f955dafe3fcac34cf932d9d0afa6b6d3a2406cc09304171b9.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\run.vbs"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3616
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\encrypted.exe
    "C:\Users\Admin\AppData\Local\Temp\RarSFX0\encrypted.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:3808

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

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\encrypted.exe

Filesize
2.8MB

MD5
f01725be4af17d500bf5121780b3d304

SHA1
4ba42ced4db6a5173ece265424b26b32ececbbd6

SHA256
a6d95538d1d2f4031e10ff3a1258400a3f471fe64e14ff2dc9808c28334d0cea

SHA512
68d39578c162f03c64617b82d8c242afb8278fa31476e116a29c83138fc804d75aefffe7e956ba8ffe6d5b2253f83d704212a166df1dc57e58b502fcdfdbed26

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\run.vbs

Filesize
190B

MD5
99b17143c77785dec72b12bf9fde7389

SHA1
fe803b2b32e187644433795fd26798122dc284fe

SHA256
e5c84ef4a1599f6f8130f70109bba6e6ba04439d10601c06834e36d31012f8e1

SHA512
49282594bde69abe29c01f866371dbb0b3eb2b46c6108a1e86e25a612afed4d74aa92ed930cde0c19c1696602730ac2df38b8dd3f4798eb763ade9c1c2ab2e4d

Download Submit
memory/3808-9-0x000001942D8A0000-0x000001942D8EC000-memory.dmp

Filesize
304KB

Download
memory/3808-10-0x000001D4C3DF0000-0x000001D4C3E3A000-memory.dmp

Filesize
296KB

Download
memory/3808-11-0x000001D4DD560000-0x000001D4DD722000-memory.dmp

Filesize
1.8MB

Download
memory/3808-12-0x000001D4C3FF0000-0x000001D4C4040000-memory.dmp

Filesize
320KB

Download

Resubmissions

Analysis

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