snakekeylogger | e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3

General

Target

e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe
Size

748KB
MD5

e831581bced8750ffada97258b002ead
SHA1

a49a29ebfe5e2fad0e051ce28c981d0169f1ea62
SHA256

e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3
SHA512

7659d281b7751f22d7a1383887d53d6ded4e7d1bdc83c7bb71ffde0b2f1316ba31d81ea8eab8ee1be261a620c65dbb1d5e26dfcb2a737db21b3158dfea843cd4
SSDEEP

12288:wvSqYOE5WEgGpqmzV4uZ380dUxUPtAaesE1gqd1tw8:BcEj4Q80W8RedFx

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7148398804:AAESLKl9fVODMrpM8H4Wkq1Zbm-83PcMLro/sendMessage?chat_id=2135869667

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3440-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.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
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4396 set thread context of 3440	4396	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe	83

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	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3440	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe
3440	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3440	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 3440	4396	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe	83
PID 4396 wrote to memory of 3440	4396	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe	83
PID 4396 wrote to memory of 3440	4396	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe	83
PID 4396 wrote to memory of 3440	4396	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe	83
PID 4396 wrote to memory of 3440	4396	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe	83
PID 4396 wrote to memory of 3440	4396	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe	83
PID 4396 wrote to memory of 3440	4396	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe	83
PID 4396 wrote to memory of 3440	4396	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe

C:\Users\Admin\AppData\Local\Temp\e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe
"C:\Users\Admin\AppData\Local\Temp\e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Users\Admin\AppData\Local\Temp\e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.exe
  "C:\Users\Admin\AppData\Local\Temp\e3c1ca2def13e63fbbb0ab64ee9d5831ea24ef23f0598ef7a89b6215328041c3.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:3440

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/3440-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3440-17-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/3440-16-0x0000000006590000-0x0000000006752000-memory.dmp

Filesize
1.8MB

Download
memory/3440-14-0x0000000006370000-0x00000000063C0000-memory.dmp

Filesize
320KB

Download
memory/3440-15-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/3440-11-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/3440-10-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/4396-8-0x0000000005A30000-0x0000000005A38000-memory.dmp

Filesize
32KB

Download
memory/4396-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

Filesize
4KB

Download
memory/4396-7-0x0000000005B20000-0x0000000005BBC000-memory.dmp

Filesize
624KB

Download
memory/4396-6-0x0000000005A20000-0x0000000005A2A000-memory.dmp

Filesize
40KB

Download
memory/4396-5-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/4396-12-0x00000000747EE000-0x00000000747EF000-memory.dmp

Filesize
4KB

Download
memory/4396-13-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/4396-4-0x00000000056F0000-0x0000000005744000-memory.dmp

Filesize
336KB

Download
memory/4396-3-0x00000000057A0000-0x0000000005832000-memory.dmp

Filesize
584KB

Download
memory/4396-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

Filesize
5.6MB

Download
memory/4396-1-0x0000000000CC0000-0x0000000000D82000-memory.dmp

Filesize
776KB

Download

Analysis

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