vipkeylogger | ee6993e7afbf9a039db981542c0250e22fcaa01434db911732851c9e52bb38b6

General

Target

PO#17971.exe
Size

669KB
MD5

7a01ce7b443e4c2f5344ef3ec0e21538
SHA1

90f517920d408f9db6cdbeb6f67ba7c62708c851
SHA256

ee6993e7afbf9a039db981542c0250e22fcaa01434db911732851c9e52bb38b6
SHA512

9d14f5fd61cad5696b70bb2ceecadd495b41ebca1f2691d4dce8ccd1504db3c3cf58889df8eb799bda19d481803b727d55867512614f4733116dda77a22d26fc
SSDEEP

12288:mEwl9Z7a0GM4Rb9So1JELBYaKMwzyrdowvUI69boqatgOr/2MlxSTtXVHM3IN:wawLNOwd69+tgyuMloTpDN

Score

10^/10

vipkeylogger collection discovery execution keylogger 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
Vipkeylogger family
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
2472	powershell.exe
2788	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2396 set thread context of 2500	2396	PO#17971.exe	37

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	PO#17971.exe
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	vbc.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
2856	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2396	PO#17971.exe
2472	powershell.exe
2788	powershell.exe
2396	PO#17971.exe
2500	vbc.exe
2500	vbc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	PO#17971.exe
Token: SeDebugPrivilege	2472	powershell.exe
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	2500	vbc.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2472	2396	PO#17971.exe	31
PID 2396 wrote to memory of 2472	2396	PO#17971.exe	31
PID 2396 wrote to memory of 2472	2396	PO#17971.exe	31
PID 2396 wrote to memory of 2472	2396	PO#17971.exe	31
PID 2396 wrote to memory of 2788	2396	PO#17971.exe	33
PID 2396 wrote to memory of 2788	2396	PO#17971.exe	33
PID 2396 wrote to memory of 2788	2396	PO#17971.exe	33
PID 2396 wrote to memory of 2788	2396	PO#17971.exe	33
PID 2396 wrote to memory of 2856	2396	PO#17971.exe	35
PID 2396 wrote to memory of 2856	2396	PO#17971.exe	35
PID 2396 wrote to memory of 2856	2396	PO#17971.exe	35
PID 2396 wrote to memory of 2856	2396	PO#17971.exe	35
PID 2396 wrote to memory of 2500	2396	PO#17971.exe	37
PID 2396 wrote to memory of 2500	2396	PO#17971.exe	37
PID 2396 wrote to memory of 2500	2396	PO#17971.exe	37
PID 2396 wrote to memory of 2500	2396	PO#17971.exe	37
PID 2396 wrote to memory of 2500	2396	PO#17971.exe	37
PID 2396 wrote to memory of 2500	2396	PO#17971.exe	37
PID 2396 wrote to memory of 2500	2396	PO#17971.exe	37
PID 2396 wrote to memory of 2500	2396	PO#17971.exe	37
PID 2396 wrote to memory of 2500	2396	PO#17971.exe	37
PID 2396 wrote to memory of 2500	2396	PO#17971.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\PO#17971.exe
"C:\Users\Admin\AppData\Local\Temp\PO#17971.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2396
- 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\PO#17971.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2472
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TZRtlifudvO.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2788
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TZRtlifudvO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEE16.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2856
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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:2500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEE16.tmp

Filesize
1KB

MD5
f6e6fac44d84ab71897dc4ec3c74eb34

SHA1
98b8713469be6a828baa41548bb5c48ea3880a86

SHA256
e5a631703d8cd17289363bddf8868562a69776c70069cbf0598c5e7d9387bcc2

SHA512
f9a9fc7c962f5feee36c6275cf89f8b7253de576726ee8b2d2b6b8c9f4b2bd9992be01f7964e7183f6211731bc7816f22af11f5eba74013b038bf61e3e974d71

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\IMWR8K279TRREYYTR8IL.temp

Filesize
7KB

MD5
5bee69eb7512bfb7e5d15829c23edb82

SHA1
cbc507d3a0ce9e5ba85dc14fa29e0a71d84f74d4

SHA256
b36c2c672472727cb8f8fcb49f453de1d8554491823f13ad899ec2f05f8dd7a5

SHA512
05e0f7a2f818a87719374b4a9152e1ce63660ed0587f25943ab2cff26b28fa6fd5a05c5e0722b1ea4bb4243b4ec9c26fedbcd43de38ffa983c9d3fd5b2665b80

Download Submit
memory/2396-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2396-1-0x0000000000B90000-0x0000000000C3C000-memory.dmp

Filesize
688KB

Download
memory/2396-2-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-3-0x0000000000910000-0x000000000092A000-memory.dmp

Filesize
104KB

Download
memory/2396-4-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2396-5-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-6-0x00000000050F0000-0x000000000516E000-memory.dmp

Filesize
504KB

Download
memory/2396-34-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2500-30-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2500-29-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2500-33-0x00000000009F0000-0x0000000000A3E000-memory.dmp

Filesize
312KB

Download
memory/2500-27-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2500-25-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2500-23-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2500-21-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2500-19-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2500-31-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2500-32-0x0000000000790000-0x00000000007E0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads