vipkeylogger | 31814c711a3d0dcc1688603c1bf885d8ae5313db47613f144fefad7f3faf5c2f

General

Target

PIT87678900098000.scr
Size

807KB
MD5

c225921062cb8749387cd03c7cf1486a
SHA1

2f5f025d3d77a7b7282e5a3e72810164a9b5966d
SHA256

84943f07b991e0b13893e5d9f5795d1e7a70a486318c5106a0fee6fed67904c5
SHA512

1757e73549dd61897e47ecb7e5e879e1f48f0623c57b1ccff7cfc1999e90ad21b65848f9fa2e6fb67964177f045be0755179c37c9ab87274fb80d26b0a8d49fe
SSDEEP

24576:tthEVaPqLxA5nG0QeJAVR/YhipCPTO3VzKNH:VEVUcq5GJooAhMfwNH

Score

10^/10

vipkeylogger collection discovery keylogger stealer upx

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

Drops startup file 1 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
2216	bleacher.exe

Loads dropped DLL 1 IoCs

pid	Process
1988	PIT87678900098000.scr

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\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 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1988-9-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral1/memory/2216-21-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral1/memory/1988-23-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 2672	2216	bleacher.exe	31

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1988-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral1/files/0x0007000000017553-5.dat	upx
behavioral1/memory/2216-10-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral1/memory/1988-9-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral1/memory/2216-21-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral1/memory/1988-23-0x0000000000400000-0x00000000004C2000-memory.dmp	upx

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 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	PIT87678900098000.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bleacher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2672	svchost.exe
2672	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2216	bleacher.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	svchost.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
1988	PIT87678900098000.scr
1988	PIT87678900098000.scr
1988	PIT87678900098000.scr
1988	PIT87678900098000.scr
2216	bleacher.exe
2216	bleacher.exe
2216	bleacher.exe
2216	bleacher.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
1988	PIT87678900098000.scr
1988	PIT87678900098000.scr
1988	PIT87678900098000.scr
1988	PIT87678900098000.scr
2216	bleacher.exe
2216	bleacher.exe
2216	bleacher.exe
2216	bleacher.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2216	1988	PIT87678900098000.scr	30
PID 1988 wrote to memory of 2216	1988	PIT87678900098000.scr	30
PID 1988 wrote to memory of 2216	1988	PIT87678900098000.scr	30
PID 1988 wrote to memory of 2216	1988	PIT87678900098000.scr	30
PID 2216 wrote to memory of 2672	2216	bleacher.exe	31
PID 2216 wrote to memory of 2672	2216	bleacher.exe	31
PID 2216 wrote to memory of 2672	2216	bleacher.exe	31
PID 2216 wrote to memory of 2672	2216	bleacher.exe	31
PID 2216 wrote to memory of 2672	2216	bleacher.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

C:\Users\Admin\AppData\Local\Temp\PIT87678900098000.scr
"C:\Users\Admin\AppData\Local\Temp\PIT87678900098000.scr" /S
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Users\Admin\AppData\Local\kinematical\bleacher.exe
  "C:\Users\Admin\AppData\Local\Temp\PIT87678900098000.scr" /S
  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:2216
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\PIT87678900098000.scr" /S
    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:2672

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 Information Discovery

1

T1082

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

\Users\Admin\AppData\Local\kinematical\bleacher.exe

Filesize
807KB

MD5
c225921062cb8749387cd03c7cf1486a

SHA1
2f5f025d3d77a7b7282e5a3e72810164a9b5966d

SHA256
84943f07b991e0b13893e5d9f5795d1e7a70a486318c5106a0fee6fed67904c5

SHA512
1757e73549dd61897e47ecb7e5e879e1f48f0623c57b1ccff7cfc1999e90ad21b65848f9fa2e6fb67964177f045be0755179c37c9ab87274fb80d26b0a8d49fe

Download Submit
memory/1988-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1988-3-0x00000000034F0000-0x00000000038F0000-memory.dmp

Filesize
4.0MB

Download
memory/1988-9-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/1988-23-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2216-10-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2216-15-0x0000000003270000-0x0000000003670000-memory.dmp

Filesize
4.0MB

Download
memory/2216-21-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2672-22-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2672-20-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2672-17-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2672-24-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/2672-25-0x00000000005D0000-0x0000000000620000-memory.dmp

Filesize
320KB

Download
memory/2672-26-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-27-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-28-0x0000000001DC0000-0x0000000001E0E000-memory.dmp

Filesize
312KB

Download
memory/2672-29-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-30-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-31-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-32-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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