vipkeylogger | 5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6

General

Target

5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe
Size

799KB
MD5

c308b7ab1f38826518a16f0fdd1a109f
SHA1

b85cd4588c0d46594eac9bea6acd8c080665b5c3
SHA256

5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6
SHA512

6791df96ad2e6bbd2a53fa75393fe0c93716cd8468ef6380ac2331ca392c4068c757fe5c5200c8faccb938cbe8564125c5cf76024f2c3c0f8ccc21af40953031
SSDEEP

24576:ZrQSoKm1xXI+h9lbhfX1ShohtTFiEy4+M/hhcOa4HW:ZkSdEI+B9X1jTFiEylMn

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7942430957:AAFpG_qcZ_VP0Ad6GO4uIs3rZU61omVdnz4/sendMessage?chat_id=6542615755

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
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.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
28	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4836 set thread context of 3644	4836	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe	97

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 2 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	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3644	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe
3644	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3644	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 3644	4836	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe	97
PID 4836 wrote to memory of 3644	4836	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe	97
PID 4836 wrote to memory of 3644	4836	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe	97
PID 4836 wrote to memory of 3644	4836	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe	97
PID 4836 wrote to memory of 3644	4836	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe	97
PID 4836 wrote to memory of 3644	4836	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe	97
PID 4836 wrote to memory of 3644	4836	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe	97
PID 4836 wrote to memory of 3644	4836	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe

C:\Users\Admin\AppData\Local\Temp\5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe
"C:\Users\Admin\AppData\Local\Temp\5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Users\Admin\AppData\Local\Temp\5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe
  "C:\Users\Admin\AppData\Local\Temp\5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5ceb866b71b67cd11b3453f48459f358770331beef591d9d21d8023c390782e6.exe.log

Filesize
1KB

MD5
4cc6f03aae7dcd01ad96a90ae64d2d54

SHA1
a31aee650d19ebd041daa9ed64e72eaa2706ccae

SHA256
7d5eafc003a5754c6759c4d7d8254d86d938bb7adf2a7b2808f7a0c8b6aa4f60

SHA512
f131c2f8f39bb0809b54b34dc9d9015241412588b7e2fed1c82adb30ac94dffb2acf2af4256ddb7d511104e0807b11752a62c9819595728bf911a13456dcb248

Download Submit
memory/3644-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3644-20-0x0000000006F40000-0x000000000746C000-memory.dmp

Filesize
5.2MB

Download
memory/3644-19-0x00000000066E0000-0x0000000006730000-memory.dmp

Filesize
320KB

Download
memory/3644-18-0x0000000006840000-0x0000000006A02000-memory.dmp

Filesize
1.8MB

Download
memory/3644-17-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3644-16-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3644-14-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4836-5-0x0000000005AF0000-0x0000000005B8C000-memory.dmp

Filesize
624KB

Download
memory/4836-9-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4836-10-0x0000000003110000-0x000000000319C000-memory.dmp

Filesize
560KB

Download
memory/4836-8-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/4836-7-0x0000000005CD0000-0x0000000005CEC000-memory.dmp

Filesize
112KB

Download
memory/4836-6-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4836-15-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4836-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/4836-4-0x00000000058D0000-0x00000000058DA000-memory.dmp

Filesize
40KB

Download
memory/4836-3-0x0000000005820000-0x00000000058B2000-memory.dmp

Filesize
584KB

Download
memory/4836-2-0x0000000005CF0000-0x0000000006294000-memory.dmp

Filesize
5.6MB

Download
memory/4836-1-0x0000000000EB0000-0x0000000000F7E000-memory.dmp

Filesize
824KB

Download

Analysis

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