vipkeylogger | c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5

General

Target

c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
Size

969KB
MD5

98e60b3ecb07393604513032ff9cece8
SHA1

39b4a69001bb456d3134601167b031ef516c4b63
SHA256

c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5
SHA512

b01c40902034e650f9ad7bbb0864a9d95147bab760865623147eb0904117afa0c3c857f4fb7803d2afe3f9abd8029bce835d81d5d204f3aadd3e969fb9371945
SSDEEP

24576:Bu6J33O0c+JY5UZ+XC0kGso6FaMoSYUDFX8WY:Tu0c++OCvkGs9FaMogFvY

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
ifSg^KL6

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
ifSg^KL6
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

Drops startup file 1 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
4984	strangulates.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
25	reallyfreegeoip.org
26	reallyfreegeoip.org
22	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0009000000023c9b-13.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4984 set thread context of 3784	4984	strangulates.exe	88

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	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	strangulates.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3784	RegSvcs.exe
3784	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4984	strangulates.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3784	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2380	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
2380	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
4984	strangulates.exe
4984	strangulates.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2380	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
2380	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
4984	strangulates.exe
4984	strangulates.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 4984	2380	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe	87
PID 2380 wrote to memory of 4984	2380	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe	87
PID 2380 wrote to memory of 4984	2380	c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe	87
PID 4984 wrote to memory of 3784	4984	strangulates.exe	88
PID 4984 wrote to memory of 3784	4984	strangulates.exe	88
PID 4984 wrote to memory of 3784	4984	strangulates.exe	88
PID 4984 wrote to memory of 3784	4984	strangulates.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe
"C:\Users\Admin\AppData\Local\Temp\c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\jinrikimen\strangulates.exe
  "C:\Users\Admin\AppData\Local\Temp\c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.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:4984
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5.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:3784

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 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\Zama

Filesize
28KB

MD5
aac9a1eef8f9bd8274a8e979b645ca8e

SHA1
cb325572592b4b79cf3720695b06ecc6fd8f6e27

SHA256
32ea82b76b329b8a34caf81a54e55ff11468333f1691e96985c133d921cf329b

SHA512
9980826e81fd31acd5bc24e3063ecab47abe25276fc9c229ef14d2c9be971655c5dc0bb0fc8cc5576f9ab47412e0595deff7e12d45cb19ad78aa423e536b1295

Download Submit
C:\Users\Admin\AppData\Local\Temp\wherefore

Filesize
271KB

MD5
aa41b0f3543492cc0132246672bf7151

SHA1
e5f9ae35deeed469d63a76b4f0d16db5b33274ac

SHA256
9def4678e17ac435e37ccbdd35eb881ca850ca8912b879109235ebead19f4cac

SHA512
4284159a3b26cf31c30bdcf7c647732b8f71eee0eda9a0f0bfa00b1525f56fffda48243ad7e8060d0c19f4d23c58c00ca68e0a062b3d150c1ec1d85ce564ea0b

Download Submit
C:\Users\Admin\AppData\Local\jinrikimen\strangulates.exe

Filesize
969KB

MD5
98e60b3ecb07393604513032ff9cece8

SHA1
39b4a69001bb456d3134601167b031ef516c4b63

SHA256
c41935933af8366f81832e9c6239a205a1cf95c72ead834feeb1c3a2f262c8f5

SHA512
b01c40902034e650f9ad7bbb0864a9d95147bab760865623147eb0904117afa0c3c857f4fb7803d2afe3f9abd8029bce835d81d5d204f3aadd3e969fb9371945

Download Submit
memory/2380-10-0x0000000002480000-0x0000000002484000-memory.dmp

Filesize
16KB

Download
memory/3784-32-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/3784-29-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/3784-30-0x0000000005630000-0x0000000005BD4000-memory.dmp

Filesize
5.6MB

Download
memory/3784-31-0x0000000005160000-0x00000000051FC000-memory.dmp

Filesize
624KB

Download
memory/3784-28-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3784-33-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/3784-34-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/3784-35-0x00000000065F0000-0x00000000067B2000-memory.dmp

Filesize
1.8MB

Download
memory/3784-36-0x0000000006490000-0x00000000064E0000-memory.dmp

Filesize
320KB

Download
memory/3784-37-0x0000000006CF0000-0x000000000721C000-memory.dmp

Filesize
5.2MB

Download
memory/3784-38-0x0000000006860000-0x00000000068F2000-memory.dmp

Filesize
584KB

Download
memory/3784-39-0x00000000067E0000-0x00000000067EA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads