vipkeylogger | 85887b8ec6c6ddf12071a0ea14554ef924ac72f652eba2827443722df0b3f2ff

General

Target

96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe
Size

1.1MB
MD5

8ab89c59c8fda81159ae27eaf35dd684
SHA1

aaadcdafc21a5f2a4a22e679ec87125928e299bd
SHA256

96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419
SHA512

9af7f0b9a3209f296bdec04ddbc41cc7ecd5ae4136e13e64ec1025d5acebbe04040f243cfd5098ce87acb58ac4e50d322d53a448a05fcfc3f293ae00967b2f41
SSDEEP

24576:hqDEvCTbMWu7rQYlBQcBiT6rprG8azSFN:hTvC/MTQYxsWR7azSF

Score

10^/10

vipkeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7339564661:AAFzTB6gEWMndjXYyD5LCn17UEBISRR8wDI/sendMessage?chat_id=6443825857

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\incalculability.vbs	incalculability.exe

Executes dropped EXE 1 IoCs

pid	Process
2952	incalculability.exe

Loads dropped DLL 1 IoCs

pid	Process
1316	96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.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
4	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x000e000000018660-13.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2952 set thread context of 852	2952	incalculability.exe	32

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 3 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	incalculability.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
852	svchost.exe
852	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2952	incalculability.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	852	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1316	96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe
1316	96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe
2952	incalculability.exe
2952	incalculability.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1316	96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe
1316	96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe
2952	incalculability.exe
2952	incalculability.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 2952	1316	96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe	31
PID 1316 wrote to memory of 2952	1316	96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe	31
PID 1316 wrote to memory of 2952	1316	96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe	31
PID 1316 wrote to memory of 2952	1316	96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe	31
PID 2952 wrote to memory of 852	2952	incalculability.exe	32
PID 2952 wrote to memory of 852	2952	incalculability.exe	32
PID 2952 wrote to memory of 852	2952	incalculability.exe	32
PID 2952 wrote to memory of 852	2952	incalculability.exe	32
PID 2952 wrote to memory of 852	2952	incalculability.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe
"C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Users\Admin\AppData\Local\beeish\incalculability.exe
  "C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2952
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:852

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

C:\Users\Admin\AppData\Local\Temp\cacostomia

Filesize
29KB

MD5
8620c48ba6cc6f917c1e936ad5aadd4e

SHA1
1a39b6df5478ad016a7c64e76ef0847a6f97fc75

SHA256
28b602e4ca07ca182e9a945542d48e4b5ed6fee09933fbd66180fb4aed439c73

SHA512
90f60bc95532c5837e67ae26bd2fbc6da6f670dc68e432e7c629bb9bfe5e8bb31d03482163902039194a596d3ffb74b474adae8e46a9fe4a9bfb847363bf07ce

Download Submit
\Users\Admin\AppData\Local\beeish\incalculability.exe

Filesize
1.1MB

MD5
8ab89c59c8fda81159ae27eaf35dd684

SHA1
aaadcdafc21a5f2a4a22e679ec87125928e299bd

SHA256
96b4dc68d491b25769c36f74ad0403c1e775cd4c02b7859941267f40d1834419

SHA512
9af7f0b9a3209f296bdec04ddbc41cc7ecd5ae4136e13e64ec1025d5acebbe04040f243cfd5098ce87acb58ac4e50d322d53a448a05fcfc3f293ae00967b2f41

Download Submit
memory/852-37-0x0000000001E70000-0x0000000001EC0000-memory.dmp

Filesize
320KB

Download
memory/852-39-0x0000000002000000-0x000000000204E000-memory.dmp

Filesize
312KB

Download
memory/852-35-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/852-34-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/852-36-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

Filesize
4KB

Download
memory/852-47-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/852-38-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/852-32-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/852-40-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/852-41-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/852-42-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/852-43-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/852-44-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

Filesize
4KB

Download
memory/852-45-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/852-46-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/1316-11-0x00000000001E0000-0x00000000001E4000-memory.dmp

Filesize
16KB

Download

Analysis

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