snakekeylogger | a8b9db65953cde05c576daf4b32b6088a16b33ac96345c2de1b117fb0922134d

General

Target

Transferencia.exe
Size

664KB
MD5

3f6d217364b17266bb888620c490260a
SHA1

12aa2706b4b7a7ceca604ef8e440dfa2ba2925b0
SHA256

ff5c91650db7948dab64599a77241952f1e81dbd10201418c90a1be3f3ec94f1
SHA512

6cc7a8bb4fc0b46778f9a352fdf9e164c730c89a27339a59e1a999efa8bebdf1c265a76e06d9e9bcbcbee02a28145c465071cdd1c5588ccb6cedc58e548a1b82
SSDEEP

12288:uM3ZJLcWeC4b3OuFW1D5jkiUr6Vz9hDTl02YCdhNxJpvgyglrh:LnAOuQ5jZUr+jTQCxxXvnIh

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
smtp.skagenships.com
Port:
587
Username:
[email protected]
Password:
XAqEAz@4

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4012-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
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-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Transferencia.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Transferencia.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Transferencia.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
34	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3240 set thread context of 4012	3240	Transferencia.exe	99

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	Transferencia.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Transferencia.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3240	Transferencia.exe
3240	Transferencia.exe
3240	Transferencia.exe
3240	Transferencia.exe
3240	Transferencia.exe
3240	Transferencia.exe
3240	Transferencia.exe
3240	Transferencia.exe
3240	Transferencia.exe
4012	Transferencia.exe
4012	Transferencia.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3240	Transferencia.exe
Token: SeDebugPrivilege	4012	Transferencia.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 4012	3240	Transferencia.exe	99
PID 3240 wrote to memory of 4012	3240	Transferencia.exe	99
PID 3240 wrote to memory of 4012	3240	Transferencia.exe	99
PID 3240 wrote to memory of 4012	3240	Transferencia.exe	99
PID 3240 wrote to memory of 4012	3240	Transferencia.exe	99
PID 3240 wrote to memory of 4012	3240	Transferencia.exe	99
PID 3240 wrote to memory of 4012	3240	Transferencia.exe	99
PID 3240 wrote to memory of 4012	3240	Transferencia.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Transferencia.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Transferencia.exe

C:\Users\Admin\AppData\Local\Temp\Transferencia.exe
"C:\Users\Admin\AppData\Local\Temp\Transferencia.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3240
- C:\Users\Admin\AppData\Local\Temp\Transferencia.exe
  "C:\Users\Admin\AppData\Local\Temp\Transferencia.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:4012

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

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

memory/3240-8-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/3240-14-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3240-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/3240-3-0x0000000004B30000-0x0000000004BC2000-memory.dmp

Filesize
584KB

Download
memory/3240-4-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3240-5-0x0000000004CD0000-0x0000000004CDA000-memory.dmp

Filesize
40KB

Download
memory/3240-6-0x0000000004E10000-0x0000000004EAC000-memory.dmp

Filesize
624KB

Download
memory/3240-7-0x0000000004F40000-0x0000000004F5C000-memory.dmp

Filesize
112KB

Download
memory/3240-2-0x00000000050E0000-0x0000000005684000-memory.dmp

Filesize
5.6MB

Download
memory/3240-9-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3240-1-0x0000000000090000-0x000000000013C000-memory.dmp

Filesize
688KB

Download
memory/3240-10-0x0000000004550000-0x00000000045B8000-memory.dmp

Filesize
416KB

Download
memory/4012-13-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4012-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4012-15-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4012-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4012-17-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/4012-18-0x0000000006280000-0x00000000062D0000-memory.dmp

Filesize
320KB

Download
memory/4012-19-0x00000000064A0000-0x0000000006662000-memory.dmp

Filesize
1.8MB

Download

Analysis

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