vipkeylogger | c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78

General

Target

c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78.exe
Size

775KB
MD5

3856e307625dd017e2fab5d5513e1fd6
SHA1

ebfef65b6efa3e848719bb9e1c23aa1deb5f227f
SHA256

c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78
SHA512

cf5e7c12535a9dc0ad8d86c532ec1873c3d19f01e3791ce6f4f05f6ded21ad8341da8e6917b1d4e5bef9029ec25bd107f8aa8b3531efb17d1267900b3f1c027c
SSDEEP

12288:nGZKzvEPBKYvI8hFUxu40EF6kutItR/3E65vY/nt9Aa1aJhIM6d7IaqNJKu0:IPOAFUE4FgkgAR/0sgt9A+uhH6CjNB0

Score

10^/10

vipkeylogger collection credential_access discovery evasion keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
JnynCnq2
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
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

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	REG.exe

Disables Task Manager via registry modification
evasion

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\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
21	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4312 set thread context of 380	4312	c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78.exe	93

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1608	380	WerFault.exe	93

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	c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	REG.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4420	REG.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
380	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	380	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 380	4312	c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78.exe	93
PID 4312 wrote to memory of 380	4312	c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78.exe	93
PID 4312 wrote to memory of 380	4312	c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78.exe	93
PID 4312 wrote to memory of 380	4312	c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78.exe	93
PID 4312 wrote to memory of 380	4312	c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78.exe	93
PID 4312 wrote to memory of 380	4312	c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78.exe	93
PID 4312 wrote to memory of 380	4312	c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78.exe	93
PID 4312 wrote to memory of 380	4312	c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78.exe	93
PID 380 wrote to memory of 4420	380	RegSvcs.exe	94
PID 380 wrote to memory of 4420	380	RegSvcs.exe	94
PID 380 wrote to memory of 4420	380	RegSvcs.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78.exe
"C:\Users\Admin\AppData\Local\Temp\c15fa494087adbbd30421dc080254a74c29547cbc41caacf55d0004937929e78.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4312
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:380
- - C:\Windows\SysWOW64\REG.exe
    REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f
    3⤵
    - Disables RegEdit via registry modification
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:4420
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 380 -s 2020
    3⤵
    - Program crash
    PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 380 -ip 380
1⤵
PID:1452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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

memory/380-11-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/380-18-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/380-17-0x0000000006480000-0x00000000064D0000-memory.dmp

Filesize
320KB

Download
memory/380-16-0x0000000006650000-0x0000000006812000-memory.dmp

Filesize
1.8MB

Download
memory/380-15-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/380-13-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4312-4-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4312-7-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/4312-8-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4312-9-0x0000000006BF0000-0x0000000006C7C000-memory.dmp

Filesize
560KB

Download
memory/4312-10-0x000000000AB70000-0x000000000AC0C000-memory.dmp

Filesize
624KB

Download
memory/4312-6-0x0000000008620000-0x0000000008638000-memory.dmp

Filesize
96KB

Download
memory/4312-5-0x0000000003580000-0x000000000358A000-memory.dmp

Filesize
40KB

Download
memory/4312-14-0x00000000749A0000-0x0000000075150000-memory.dmp

Filesize
7.7MB

Download
memory/4312-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

Filesize
4KB

Download
memory/4312-3-0x0000000005900000-0x0000000005992000-memory.dmp

Filesize
584KB

Download
memory/4312-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

Filesize
5.6MB

Download
memory/4312-1-0x0000000000F50000-0x0000000001018000-memory.dmp

Filesize
800KB

Download

Analysis

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