vipkeylogger | ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e

General

Target

ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe
Size

937KB
MD5

bc7baa033dff24e20cf7180039f730f1
SHA1

e63aa08c5ff536cc60859e76223405a83d15af25
SHA256

ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e
SHA512

88a9768b65c0d6b7af3f29c4e8b2326ad38f1866445e11ccf7d9deeb97669e3514519226c881e07aaf6f335f4ad4de462a1f3a3e56446fa659e1ec3700e75715
SSDEEP

24576:0thEVaPqLqn8vgIiregw+cVizAKDupFZZoJSyIU8is:IEVUcXVfPVWSxnis

Score

10^/10

vipkeylogger collection discovery keylogger stealer upx

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\Charley.vbs	Charley.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	Charley.exe

Loads dropped DLL 1 IoCs

pid	Process
2680	ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\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
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2680-10-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe
behavioral1/memory/2776-24-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2776 set thread context of 2892	2776	Charley.exe	31

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2680-0-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral1/files/0x0006000000019570-5.dat	upx
behavioral1/memory/2680-9-0x00000000041D0000-0x00000000042B6000-memory.dmp	upx
behavioral1/memory/2776-11-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral1/memory/2680-10-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral1/memory/2776-24-0x0000000000400000-0x00000000004E6000-memory.dmp	upx

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	ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Charley.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2892	RegSvcs.exe
2892	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2776	Charley.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2892	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2680	ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe
2680	ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe
2776	Charley.exe
2776	Charley.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2680	ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe
2680	ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe
2776	Charley.exe
2776	Charley.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2776	2680	ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe	30
PID 2680 wrote to memory of 2776	2680	ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe	30
PID 2680 wrote to memory of 2776	2680	ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe	30
PID 2680 wrote to memory of 2776	2680	ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe	30
PID 2776 wrote to memory of 2892	2776	Charley.exe	31
PID 2776 wrote to memory of 2892	2776	Charley.exe	31
PID 2776 wrote to memory of 2892	2776	Charley.exe	31
PID 2776 wrote to memory of 2892	2776	Charley.exe	31
PID 2776 wrote to memory of 2892	2776	Charley.exe	31
PID 2776 wrote to memory of 2892	2776	Charley.exe	31
PID 2776 wrote to memory of 2892	2776	Charley.exe	31
PID 2776 wrote to memory of 2892	2776	Charley.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe
"C:\Users\Admin\AppData\Local\Temp\ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Users\Admin\AppData\Local\Hymenophyllaceae\Charley.exe
  "C:\Users\Admin\AppData\Local\Temp\ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.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:2776
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.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:2892

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

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Downloads

\Users\Admin\AppData\Local\Hymenophyllaceae\Charley.exe

Filesize
937KB

MD5
bc7baa033dff24e20cf7180039f730f1

SHA1
e63aa08c5ff536cc60859e76223405a83d15af25

SHA256
ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e

SHA512
88a9768b65c0d6b7af3f29c4e8b2326ad38f1866445e11ccf7d9deeb97669e3514519226c881e07aaf6f335f4ad4de462a1f3a3e56446fa659e1ec3700e75715

Download Submit
memory/2680-3-0x0000000003B40000-0x0000000003D40000-memory.dmp

Filesize
2.0MB

Download
memory/2680-9-0x00000000041D0000-0x00000000042B6000-memory.dmp

Filesize
920KB

Download
memory/2680-10-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2680-0-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2776-24-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2776-11-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2776-16-0x0000000003860000-0x0000000003A60000-memory.dmp

Filesize
2.0MB

Download
memory/2892-18-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2892-22-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2892-20-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2892-25-0x000000007368E000-0x000000007368F000-memory.dmp

Filesize
4KB

Download
memory/2892-26-0x0000000073680000-0x0000000073D6E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-27-0x000000007368E000-0x000000007368F000-memory.dmp

Filesize
4KB

Download
memory/2892-28-0x0000000073680000-0x0000000073D6E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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