snakekeylogger | fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
03-07-2024 02:51

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General

Target

fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe
Size

984KB
MD5

3397f79c3a08077e9295c17c9b3b938c
SHA1

7c1cfd2b56e5f4780b561942fe1e9f62200be5cb
SHA256

fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee
SHA512

a651cd572e27869b1c2901aea00244a08fe7b2607422d7b97892e9ef9e86a1fcce29ad9b86904fa6bd8c30bf2e9fe97f4df002a89acebbf9085218a41e1e1a81
SSDEEP

24576:fAHnh+eWsN3skA4RV1Hom2KXMmHanbuQ5:Ch+ZkldoPK8YanZ

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5581840526:AAE1o2MXOklfCJKspnGyHbkaYvwtJlJ8h3M/sendMessage?chat_id=5063375086

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
Snake Keylogger payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/1556-11-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger

resource	yara_rule
behavioral2/memory/1556-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Office\16.0\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.

Processes:

flow ioc

6 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe

description pid process target process

PID 4092 set thread context of 1556 4092 fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2812 4092 WerFault.exe fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

RegSvcs.exe

pid process

1556 RegSvcs.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe

pid process

4092 fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1556 RegSvcs.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe

pid process

4092 fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe
4092 fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe

pid process

4092 fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe
4092 fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe

flow	ioc
6	checkip.dyndns.org

description	pid	process	target process
PID 4092 set thread context of 1556	4092	fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe	RegSvcs.exe

pid	pid_target	process	target process
2812	4092	WerFault.exe	fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe

pid	process
1556	RegSvcs.exe

pid	process
4092	fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe

description	pid	process
Token: SeDebugPrivilege	1556	RegSvcs.exe

pid	process
4092	fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe
4092	fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe

pid	process
4092	fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe
4092	fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe

description	pid	process	target process
PID 4092 wrote to memory of 1556	4092	fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe	RegSvcs.exe
PID 4092 wrote to memory of 1556	4092	fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe	RegSvcs.exe
PID 4092 wrote to memory of 1556	4092	fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe	RegSvcs.exe
PID 4092 wrote to memory of 1556	4092	fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe
"C:\Users\Admin\AppData\Local\Temp\fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4092

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\fc53ccd71a8b45f03e842e375777e017b73371d2ae6828af9fd8328f6b91c3ee.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 692
2⤵
- Program crash
PID:2812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4092 -ip 4092
1⤵
PID:3440

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/1556-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1556-12-0x0000000073C9E000-0x0000000073C9F000-memory.dmp

Filesize
4KB

Download
memory/1556-13-0x0000000005D90000-0x0000000006334000-memory.dmp

Filesize
5.6MB

Download
memory/1556-14-0x0000000005880000-0x000000000591C000-memory.dmp

Filesize
624KB

Download
memory/1556-15-0x0000000073C90000-0x0000000074440000-memory.dmp

Filesize
7.7MB

Download
memory/1556-16-0x0000000006A90000-0x0000000006C52000-memory.dmp

Filesize
1.8MB

Download
memory/1556-17-0x0000000006C60000-0x0000000006CF2000-memory.dmp

Filesize
584KB

Download
memory/1556-18-0x0000000006A10000-0x0000000006A1A000-memory.dmp

Filesize
40KB

Download
memory/1556-19-0x0000000073C90000-0x0000000074440000-memory.dmp

Filesize
7.7MB

Download
memory/4092-10-0x0000000000BA0000-0x0000000000BA4000-memory.dmp

Filesize
16KB

Download