vipkeylogger | 2680d7aabaaa6a9bf3e961097a7525bb597c55b8ac8ed8148d66338d78bf4c32

General

Target

2680d7aabaaa6a9bf3e961097a7525bb597c55b8ac8ed8148d66338d78bf4c32.xll
Size

130KB
MD5

f5c5e1f7b2fda6346989fc1bbe6b7657
SHA1

6f2d97035993d41b2f3867fa657a3b06cb67929b
SHA256

2680d7aabaaa6a9bf3e961097a7525bb597c55b8ac8ed8148d66338d78bf4c32
SHA512

d245ebf51129f4abf3e3bae94583d51ada5104ae0c98ad370163e93c54f6ba8fa427b044352068ce9e3b2fe00caea8f1d2f2684401e10289574f8f5d9dd0dbfd
SSDEEP

1536:n5LZElpqZElpuqnAJcFUg+Rxp87eQWBfrHxgAMYvtp40n:nrYEYITCig+oOfrH2nYt7

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.gtpv.online
Port:
587
Username:
[email protected]
Password:
7213575aceACE@@
Email To:
[email protected]

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
Downloads MZ/PE file

Drops startup file 1 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
3400	regasms.exe
2212	differences.exe

Loads dropped DLL 2 IoCs

pid	Process
3764	EXCEL.EXE
3764	EXCEL.EXE

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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
28	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000a000000023b81-39.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2212 set thread context of 4544	2212	differences.exe	94

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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasms.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	differences.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3764	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4544	RegSvcs.exe
4544	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2212	differences.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4544	RegSvcs.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3764	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE
3764	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 3400	3764	EXCEL.EXE	88
PID 3764 wrote to memory of 3400	3764	EXCEL.EXE	88
PID 3764 wrote to memory of 3400	3764	EXCEL.EXE	88
PID 3400 wrote to memory of 2212	3400	regasms.exe	91
PID 3400 wrote to memory of 2212	3400	regasms.exe	91
PID 3400 wrote to memory of 2212	3400	regasms.exe	91
PID 2212 wrote to memory of 4544	2212	differences.exe	94
PID 2212 wrote to memory of 4544	2212	differences.exe	94
PID 2212 wrote to memory of 4544	2212	differences.exe	94
PID 2212 wrote to memory of 4544	2212	differences.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2680d7aabaaa6a9bf3e961097a7525bb597c55b8ac8ed8148d66338d78bf4c32.xll"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3764
- C:\ProgramData\regasms.exe
  C:\ProgramData\regasms.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3400
- - C:\Users\Admin\AppData\Local\acceptancy\differences.exe
    C:\ProgramData\regasms.exe
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2212
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      C:\ProgramData\regasms.exe
      4⤵
      Accesses Microsoft Outlook profiles
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      outlook_office_path
      outlook_win_path
      PID:4544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\regasms.exe

Filesize
1022KB

MD5
91b168b909d638281eadeea92046b216

SHA1
5abc19ef5210e3543fd638de103d5acd050f1203

SHA256
2611bfa312df8420f3829a2d52cf563bdb1347a82fae37fc2e5639d42eab5e9e

SHA512
45a3c15131f624f382207904c78167d292e85d03deeb50c946c801a88f0e9c7c084bade8d76b967dcfc8aa2426418f825e20d6e1567b414efff47e650c2aefe4

Download Submit
C:\Users\Admin\AppData\Local\Temp\2680d7aabaaa6a9bf3e961097a7525bb597c55b8ac8ed8148d66338d78bf4c32.xll

Filesize
130KB

MD5
f5c5e1f7b2fda6346989fc1bbe6b7657

SHA1
6f2d97035993d41b2f3867fa657a3b06cb67929b

SHA256
2680d7aabaaa6a9bf3e961097a7525bb597c55b8ac8ed8148d66338d78bf4c32

SHA512
d245ebf51129f4abf3e3bae94583d51ada5104ae0c98ad370163e93c54f6ba8fa427b044352068ce9e3b2fe00caea8f1d2f2684401e10289574f8f5d9dd0dbfd

Download Submit
memory/3400-53-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3400-48-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-12-0x00007FFD11610000-0x00007FFD11620000-memory.dmp

Filesize
64KB

Download
memory/3764-18-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-10-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-9-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-0-0x00007FFD13F70000-0x00007FFD13F80000-memory.dmp

Filesize
64KB

Download
memory/3764-13-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-8-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-7-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-14-0x00007FFD11610000-0x00007FFD11620000-memory.dmp

Filesize
64KB

Download
memory/3764-6-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-15-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-17-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-21-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-20-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-19-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-11-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-16-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-5-0x00007FFD13F70000-0x00007FFD13F80000-memory.dmp

Filesize
64KB

Download
memory/3764-24-0x0000000057490000-0x00000000574DA000-memory.dmp

Filesize
296KB

Download
memory/3764-3-0x00007FFD13F70000-0x00007FFD13F80000-memory.dmp

Filesize
64KB

Download
memory/3764-41-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/3764-4-0x00007FFD13F70000-0x00007FFD13F80000-memory.dmp

Filesize
64KB

Download
memory/3764-1-0x00007FFD53F8D000-0x00007FFD53F8E000-memory.dmp

Filesize
4KB

Download
memory/3764-2-0x00007FFD13F70000-0x00007FFD13F80000-memory.dmp

Filesize
64KB

Download
memory/4544-62-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/4544-63-0x0000000005720000-0x0000000005CC4000-memory.dmp

Filesize
5.6MB

Download
memory/4544-64-0x0000000005250000-0x00000000052EC000-memory.dmp

Filesize
624KB

Download
memory/4544-65-0x00000000066E0000-0x00000000068A2000-memory.dmp

Filesize
1.8MB

Download
memory/4544-66-0x0000000006560000-0x00000000065B0000-memory.dmp

Filesize
320KB

Download
memory/4544-67-0x00000000068B0000-0x0000000006942000-memory.dmp

Filesize
584KB

Download
memory/4544-68-0x0000000006670000-0x000000000667A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads