vipkeylogger | 7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1

General

Target

7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.exe
Size

1.2MB
MD5

9d1b974a38b19a833b69f2bfdc0688f8
SHA1

cbdf6cf01a69f8477cfc50d1cc1490457d28d7f3
SHA256

7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1
SHA512

884c2fb4bd1d8b97fc153c0cc8dbcd0cf9d4eb5ed741fc2d1cd409735fe3f41e7382a7dc2ed21415753b4b5dd89ec7849ff0e21144ec988ed7c4b5e4e623cd41
SSDEEP

24576:ffmMv6Ckr7Mny5QLSvogytmuL2T1101DTxGQ8X:f3v+7/5QLCItmce11KTcQ8X

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.vvtrade.vn
Port:
587
Username:
[email protected]
Password:
qVyP6qyv6MQCmZJBRs4t
Email To:
[email protected]

C2

https://api.telegram.org/bot7323823089:AAFBRsTW94zIpSoDS8yfGsotlQLqF2I6TU0/sendMessage?chat_id=5013849544

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\reindulgence.vbs	reindulgence.exe

Executes dropped EXE 1 IoCs

pid	Process
1984	reindulgence.exe

Loads dropped DLL 1 IoCs

pid	Process
1608	7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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/0x0008000000015d0e-4.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1984 set thread context of 3028	1984	reindulgence.exe	29

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	7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reindulgence.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3028	RegSvcs.exe
3028	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1984	reindulgence.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1608	7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.exe
1608	7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.exe
1984	reindulgence.exe
1984	reindulgence.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1608	7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.exe
1608	7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.exe
1984	reindulgence.exe
1984	reindulgence.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 1984	1608	7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.exe	28
PID 1608 wrote to memory of 1984	1608	7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.exe	28
PID 1608 wrote to memory of 1984	1608	7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.exe	28
PID 1608 wrote to memory of 1984	1608	7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.exe	28
PID 1984 wrote to memory of 3028	1984	reindulgence.exe	29
PID 1984 wrote to memory of 3028	1984	reindulgence.exe	29
PID 1984 wrote to memory of 3028	1984	reindulgence.exe	29
PID 1984 wrote to memory of 3028	1984	reindulgence.exe	29
PID 1984 wrote to memory of 3028	1984	reindulgence.exe	29
PID 1984 wrote to memory of 3028	1984	reindulgence.exe	29
PID 1984 wrote to memory of 3028	1984	reindulgence.exe	29
PID 1984 wrote to memory of 3028	1984	reindulgence.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.exe
"C:\Users\Admin\AppData\Local\Temp\7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\AppData\Local\proximobuccal\reindulgence.exe
  "C:\Users\Admin\AppData\Local\Temp\7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.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:1984
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1.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:3028

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

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

Filesize
269KB

MD5
b68826f290b160b1741deaccff4a403d

SHA1
3491fad3d3e127bf5566de453e3195ce47421519

SHA256
6f00fc6759dd3b3096aa46f7c73d9c35b5e037dbb8ea3aadc6eb4fe21bea6711

SHA512
5176c08805a07270dbcd45db70a7765c570d8ebf0b1b23446b698890cfc5330ca63f1bd7eeadc51a20c58a6bcab1ec05d019dbe615555875f24c482a1c985307

Download Submit
\Users\Admin\AppData\Local\proximobuccal\reindulgence.exe

Filesize
1.2MB

MD5
9d1b974a38b19a833b69f2bfdc0688f8

SHA1
cbdf6cf01a69f8477cfc50d1cc1490457d28d7f3

SHA256
7ff42bacf844ade960d12cf1df99ce36be17f18903d2188e8de6d410033acaf1

SHA512
884c2fb4bd1d8b97fc153c0cc8dbcd0cf9d4eb5ed741fc2d1cd409735fe3f41e7382a7dc2ed21415753b4b5dd89ec7849ff0e21144ec988ed7c4b5e4e623cd41

Download Submit
memory/1608-2-0x0000000003BB0000-0x0000000003DB0000-memory.dmp

Filesize
2.0MB

Download
memory/1984-12-0x0000000003990000-0x0000000003D90000-memory.dmp

Filesize
4.0MB

Download
memory/3028-14-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3028-16-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3028-18-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3028-19-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

Filesize
4KB

Download
memory/3028-20-0x0000000074AB0000-0x000000007519E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-21-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

Filesize
4KB

Download
memory/3028-22-0x0000000074AB0000-0x000000007519E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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