vipkeylogger | 64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545

General

Target

64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe
Size

626KB
MD5

406c82d85bd25857140116b91f8c3b3d
SHA1

5e62807cc5f68c061d1be770df181d1e23075dfd
SHA256

64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545
SHA512

c969d9ffb277f8e51fcc531f9cce8b974f26ce1525145312a248e9f34d4752ee924b181977468ae1d175b1067ddd68f6be45a5e1fda2f374a619ca4006bfc220
SSDEEP

12288:AORXHVTaXU/mlQF0FAIxlMZSkNyAJJjB55EQPzMm1:AORlTaXUVaqJhJjB37PzMS

Score

10^/10

vipkeylogger discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

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

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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 840 set thread context of 2536	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2848	2536	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 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	CasPol.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2536	CasPol.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe
Token: SeDebugPrivilege	2536	CasPol.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 2536	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe	31
PID 840 wrote to memory of 2536	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe	31
PID 840 wrote to memory of 2536	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe	31
PID 840 wrote to memory of 2536	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe	31
PID 840 wrote to memory of 2536	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe	31
PID 840 wrote to memory of 2536	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe	31
PID 840 wrote to memory of 2536	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe	31
PID 840 wrote to memory of 2536	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe	31
PID 840 wrote to memory of 2536	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe	31
PID 840 wrote to memory of 2692	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe	32
PID 840 wrote to memory of 2692	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe	32
PID 840 wrote to memory of 2692	840	64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe	32
PID 2536 wrote to memory of 2848	2536	CasPol.exe	33
PID 2536 wrote to memory of 2848	2536	CasPol.exe	33
PID 2536 wrote to memory of 2848	2536	CasPol.exe	33
PID 2536 wrote to memory of 2848	2536	CasPol.exe	33

C:\Users\Admin\AppData\Local\Temp\64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe
"C:\Users\Admin\AppData\Local\Temp\64c5bc313008e6e595ab1eb59ec4b5fbdaa38e91d9f89def4fc1e66da64b2545.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:840
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 1152
    3⤵
    - Program crash
    PID:2848
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 840 -s 636
  2⤵
  PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/840-0-0x000007FEF6443000-0x000007FEF6444000-memory.dmp

Filesize
4KB

Download
memory/840-1-0x00000000000E0000-0x0000000000180000-memory.dmp

Filesize
640KB

Download
memory/840-2-0x0000000002140000-0x00000000021DC000-memory.dmp

Filesize
624KB

Download
memory/840-3-0x000007FEF6440000-0x000007FEF6E2C000-memory.dmp

Filesize
9.9MB

Download
memory/840-22-0x000007FEF6440000-0x000007FEF6E2C000-memory.dmp

Filesize
9.9MB

Download
memory/840-21-0x000007FEF6440000-0x000007FEF6E2C000-memory.dmp

Filesize
9.9MB

Download
memory/840-20-0x000007FEF6443000-0x000007FEF6444000-memory.dmp

Filesize
4KB

Download
memory/2536-16-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2536-12-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2536-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2536-9-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2536-14-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2536-17-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2536-18-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2536-19-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2536-6-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2536-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2536-4-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download

Analysis

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