vipkeylogger | 5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0

General

Target

5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.exe
Size

530KB
MD5

3f94f93de7eee4883dee0bb194c618f9
SHA1

4504b0f30c9c3c90f7e35a9fb4a351286dd32c76
SHA256

5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0
SHA512

d76b47af745364c1c9153bdd31429b853ba98a8be029d695a788f0881e7a64d179226f488a60fde0265cbc2fc95cd5b07b9415068f86eec2d13c5e82f36c5c19
SSDEEP

12288:IquErHF6xC9D6DmR1J98w4oknqOOCyQf3jtcB8P4emNjbWd8:Jrl6kD68JmlotQfTtS+4b9bR

Score

10^/10

vipkeylogger collection discovery keylogger stealer upx

Malware Config

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\porcelainization.vbs	porcelainization.exe

Executes dropped EXE 1 IoCs

pid	Process
1916	porcelainization.exe

Loads dropped DLL 1 IoCs

pid	Process
2116	5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\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
9	reallyfreegeoip.org
4	checkip.dyndns.org
8	reallyfreegeoip.org

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2116-20-0x0000000001010000-0x0000000001146000-memory.dmp	autoit_exe
behavioral1/memory/1916-21-0x00000000009B0000-0x0000000000AE6000-memory.dmp	autoit_exe
behavioral1/memory/1916-43-0x00000000009B0000-0x0000000000AE6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1916 set thread context of 2940	1916	porcelainization.exe	31

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2116-0-0x0000000001010000-0x0000000001146000-memory.dmp	upx
behavioral1/files/0x000800000001960c-14.dat	upx
behavioral1/memory/2116-20-0x0000000001010000-0x0000000001146000-memory.dmp	upx
behavioral1/memory/1916-21-0x00000000009B0000-0x0000000000AE6000-memory.dmp	upx
behavioral1/memory/2116-18-0x0000000002AD0000-0x0000000002C06000-memory.dmp	upx
behavioral1/memory/1916-43-0x00000000009B0000-0x0000000000AE6000-memory.dmp	upx

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	porcelainization.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2940	RegSvcs.exe
2940	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1916	porcelainization.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2940	RegSvcs.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
2116	5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.exe
2116	5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.exe
1916	porcelainization.exe
1916	porcelainization.exe
1916	porcelainization.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
2116	5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.exe
2116	5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.exe
1916	porcelainization.exe
1916	porcelainization.exe
1916	porcelainization.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 1916	2116	5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.exe	30
PID 2116 wrote to memory of 1916	2116	5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.exe	30
PID 2116 wrote to memory of 1916	2116	5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.exe	30
PID 2116 wrote to memory of 1916	2116	5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.exe	30
PID 1916 wrote to memory of 2940	1916	porcelainization.exe	31
PID 1916 wrote to memory of 2940	1916	porcelainization.exe	31
PID 1916 wrote to memory of 2940	1916	porcelainization.exe	31
PID 1916 wrote to memory of 2940	1916	porcelainization.exe	31
PID 1916 wrote to memory of 2940	1916	porcelainization.exe	31
PID 1916 wrote to memory of 2940	1916	porcelainization.exe	31
PID 1916 wrote to memory of 2940	1916	porcelainization.exe	31
PID 1916 wrote to memory of 2940	1916	porcelainization.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.exe
"C:\Users\Admin\AppData\Local\Temp\5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\gunfights\porcelainization.exe
  "C:\Users\Admin\AppData\Local\Temp\5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.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:1916
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0.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:2940

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\hepatoduodenostomy

Filesize
29KB

MD5
0f8472215a2d111cbff46b58a15d7566

SHA1
d6bd4f4254290c31a5166e91319874a9d68974ba

SHA256
d1f60a9c9cc98b6cc5719f72abe4a1a20368749ec3fb02b860d850426b4c4d57

SHA512
fae5c206ee60161f6a18eefbb308f2cae2435fe463cb21c6fe23f3b8ca88b0b3eef7b4bfa7eb7022ae8f589ebb5fb5cb0c753f5808ad823ef285007f353cfc4e

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

Filesize
271KB

MD5
7ccf6c806ee52bcc2e6322f8aea3a258

SHA1
717071f09a228668633104c49c0e048e0fed74ec

SHA256
f9c9ff0074956f6f5654cf1dee922e8da3331b4adba0c47d92e1e31bba74e310

SHA512
5c2a6409ff9f1f82f3fc5972da9fc3e18dcb41a922b3f41cc7d21f8b11ca07c0ae02307a00ac0aec78db8a6e889cc68d30e4708409e4bf79d34dea5615757f5e

Download Submit
\Users\Admin\AppData\Local\gunfights\porcelainization.exe

Filesize
530KB

MD5
3f94f93de7eee4883dee0bb194c618f9

SHA1
4504b0f30c9c3c90f7e35a9fb4a351286dd32c76

SHA256
5b370f3ac7f408eb4030e1b7e45142f57866e62bb150242174777ae3bb5bb0b0

SHA512
d76b47af745364c1c9153bdd31429b853ba98a8be029d695a788f0881e7a64d179226f488a60fde0265cbc2fc95cd5b07b9415068f86eec2d13c5e82f36c5c19

Download Submit
memory/1916-43-0x00000000009B0000-0x0000000000AE6000-memory.dmp

Filesize
1.2MB

Download
memory/1916-21-0x00000000009B0000-0x0000000000AE6000-memory.dmp

Filesize
1.2MB

Download
memory/2116-12-0x00000000001A0000-0x00000000001A4000-memory.dmp

Filesize
16KB

Download
memory/2116-20-0x0000000001010000-0x0000000001146000-memory.dmp

Filesize
1.2MB

Download
memory/2116-18-0x0000000002AD0000-0x0000000002C06000-memory.dmp

Filesize
1.2MB

Download
memory/2116-0-0x0000000001010000-0x0000000001146000-memory.dmp

Filesize
1.2MB

Download
memory/2940-37-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2940-42-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2940-40-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2940-44-0x000000007406E000-0x000000007406F000-memory.dmp

Filesize
4KB

Download
memory/2940-45-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/2940-46-0x000000007406E000-0x000000007406F000-memory.dmp

Filesize
4KB

Download
memory/2940-47-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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