vipkeylogger | cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e

General

Target

cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.exe
Size

1.0MB
MD5

a7b07a73cc640c387c3dbfbf5104a5bc
SHA1

fae32af8e7eaec57aca890881ff043772ca28bfd
SHA256

cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e
SHA512

b87cae08eb793e4ada56fd27b1d263ca1eea2f3bc57c824f9bc66a3d2135f777c7ace81f84b105e204e2a778fd84dd2f4e88f59086b6b112b2f098f7a6e56f30
SSDEEP

24576:stb20pkaCqT5TBWgNQ7arslkvopEkQBX6AK:VVg5tQ7arsWvXp5K

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot8051588258:AAE-CNbIS7UXg4eOA3t-8snZKI_z-YAyGQg/sendMessage?chat_id=7640920144

Signatures

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

Drops startup file 1 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
2340	carryover.exe

Loads dropped DLL 1 IoCs

pid	Process
1644	cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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/0x0008000000016c66-8.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2340 set thread context of 2924	2340	carryover.exe	31

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	cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	carryover.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2924	RegSvcs.exe
2924	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2340	carryover.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2924	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1644	cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.exe
1644	cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.exe
2340	carryover.exe
2340	carryover.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1644	cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.exe
1644	cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.exe
2340	carryover.exe
2340	carryover.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 2340	1644	cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.exe	30
PID 1644 wrote to memory of 2340	1644	cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.exe	30
PID 1644 wrote to memory of 2340	1644	cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.exe	30
PID 1644 wrote to memory of 2340	1644	cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.exe	30
PID 2340 wrote to memory of 2924	2340	carryover.exe	31
PID 2340 wrote to memory of 2924	2340	carryover.exe	31
PID 2340 wrote to memory of 2924	2340	carryover.exe	31
PID 2340 wrote to memory of 2924	2340	carryover.exe	31
PID 2340 wrote to memory of 2924	2340	carryover.exe	31
PID 2340 wrote to memory of 2924	2340	carryover.exe	31
PID 2340 wrote to memory of 2924	2340	carryover.exe	31
PID 2340 wrote to memory of 2924	2340	carryover.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.exe
"C:\Users\Admin\AppData\Local\Temp\cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Users\Admin\AppData\Local\Grinnellia\carryover.exe
  "C:\Users\Admin\AppData\Local\Temp\cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.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:2340
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e.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:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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

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Downloads

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

Filesize
271KB

MD5
47ee3058b4ce4e3cf9882b3d4c03f87d

SHA1
40dc1e81aa85feaeeb07d8369a4bb08c38d0c5d6

SHA256
9aad8edaf6ae4975d72c246dbe8b594dfd3beddd8a388feff5a2061711992b55

SHA512
096dc1dda1b0f91b8fb3a49bc7c714d07480c953f3a52b6e63e3cdd829e6c3f1a6e1334fd0db664e2a60717f379dc6ddf6cdf608c5b309cfe61b12d1e5ad43f3

Download Submit
\Users\Admin\AppData\Local\Grinnellia\carryover.exe

Filesize
1.0MB

MD5
a7b07a73cc640c387c3dbfbf5104a5bc

SHA1
fae32af8e7eaec57aca890881ff043772ca28bfd

SHA256
cc82bc2cc6d09e19ed88c7ff86d952bbe97e12d73e17f9377e16bfeef780662e

SHA512
b87cae08eb793e4ada56fd27b1d263ca1eea2f3bc57c824f9bc66a3d2135f777c7ace81f84b105e204e2a778fd84dd2f4e88f59086b6b112b2f098f7a6e56f30

Download Submit
memory/1644-6-0x0000000000910000-0x0000000000D10000-memory.dmp

Filesize
4.0MB

Download
memory/2340-20-0x0000000000780000-0x0000000000B80000-memory.dmp

Filesize
4.0MB

Download
memory/2924-22-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2924-26-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2924-24-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2924-27-0x000000007400E000-0x000000007400F000-memory.dmp

Filesize
4KB

Download
memory/2924-28-0x0000000074000000-0x00000000746EE000-memory.dmp

Filesize
6.9MB

Download
memory/2924-29-0x000000007400E000-0x000000007400F000-memory.dmp

Filesize
4KB

Download
memory/2924-30-0x0000000074000000-0x00000000746EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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