vipkeylogger | 1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46

General

Target

1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe
Size

1.0MB
MD5

b59e2565fe790bd1803bec8e583c0e80
SHA1

54eb800ac8cb2923997dd7bf7059951f714fee8f
SHA256

1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46
SHA512

8dada552ad3bb8fc7f112bb689f8cb2d293a5d566e4dc80e0090d2bb60db27aa2871d525b4367643b7e6a7941191f569079c940678ebfb341c086d5cda62dacd
SSDEEP

24576:stb20pkaCqT5TBWgNQ7arslkvopEkQBX6A:VVg5tQ7arsWvXp5

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot8051588258:AAE-CNbIS7UXg4eOA3t-8snZKI_z-YAyGQg/sendMessage?chat_id=7640920144

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\carryover.vbs	carryover.exe

Executes dropped EXE 1 IoCs

pid	Process
4132	carryover.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\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
13	checkip.dyndns.org

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/448-6-0x0000000001110000-0x0000000001510000-memory.dmp	autoit_exe
behavioral2/files/0x000a000000023b8a-9.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4132 set thread context of 4448	4132	carryover.exe	84

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	carryover.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4448	RegSvcs.exe
4448	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4132	carryover.exe
4132	carryover.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4448	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
448	1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe
448	1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe
4132	carryover.exe
4132	carryover.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
448	1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe
448	1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe
4132	carryover.exe
4132	carryover.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 4132	448	1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe	83
PID 448 wrote to memory of 4132	448	1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe	83
PID 448 wrote to memory of 4132	448	1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe	83
PID 4132 wrote to memory of 4448	4132	carryover.exe	84
PID 4132 wrote to memory of 4448	4132	carryover.exe	84
PID 4132 wrote to memory of 4448	4132	carryover.exe	84
PID 4132 wrote to memory of 4448	4132	carryover.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe
"C:\Users\Admin\AppData\Local\Temp\1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:448
- C:\Users\Admin\AppData\Local\Grinnellia\carryover.exe
  "C:\Users\Admin\AppData\Local\Temp\1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.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:4132
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46N.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:4448

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Grinnellia\carryover.exe

Filesize
1.0MB

MD5
b59e2565fe790bd1803bec8e583c0e80

SHA1
54eb800ac8cb2923997dd7bf7059951f714fee8f

SHA256
1d0b9a03e9bc5341bc3ffee170569efae0be569e19455826f04916bdd0f94a46

SHA512
8dada552ad3bb8fc7f112bb689f8cb2d293a5d566e4dc80e0090d2bb60db27aa2871d525b4367643b7e6a7941191f569079c940678ebfb341c086d5cda62dacd

Download Submit
memory/448-6-0x0000000001110000-0x0000000001510000-memory.dmp

Filesize
4.0MB

Download
memory/4132-18-0x0000000000F50000-0x0000000001350000-memory.dmp

Filesize
4.0MB

Download
memory/4448-24-0x0000000075100000-0x00000000758B0000-memory.dmp

Filesize
7.7MB

Download
memory/4448-21-0x000000007510E000-0x000000007510F000-memory.dmp

Filesize
4KB

Download
memory/4448-22-0x00000000050E0000-0x0000000005684000-memory.dmp

Filesize
5.6MB

Download
memory/4448-23-0x0000000004A40000-0x0000000004ADC000-memory.dmp

Filesize
624KB

Download
memory/4448-20-0x00000000001A0000-0x00000000001EA000-memory.dmp

Filesize
296KB

Download
memory/4448-25-0x0000000005D60000-0x0000000005F22000-memory.dmp

Filesize
1.8MB

Download
memory/4448-26-0x0000000005BE0000-0x0000000005C30000-memory.dmp

Filesize
320KB

Download
memory/4448-27-0x0000000006460000-0x000000000698C000-memory.dmp

Filesize
5.2MB

Download
memory/4448-28-0x000000007510E000-0x000000007510F000-memory.dmp

Filesize
4KB

Download
memory/4448-29-0x0000000075100000-0x00000000758B0000-memory.dmp

Filesize
7.7MB

Download
memory/4448-30-0x0000000005F30000-0x0000000005FC2000-memory.dmp

Filesize
584KB

Download
memory/4448-31-0x0000000005D30000-0x0000000005D3A000-memory.dmp

Filesize
40KB

Download

Analysis

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