snakekeylogger | b4959d3ecdb2bcc546b4d00f0902a1dc1e6b81c1627db1e5867c805aea65f495

General

Target

Curriculum Vitae.exe
Size

663KB
MD5

6c0dfef9d3fd776a33284c57e72e210f
SHA1

f39d49085f8099bde2f617e838cf3f93a55d798d
SHA256

8b0cf5a006d406708e02f6a031e9f633ca10d4d5937b177ac560a816c09d69be
SHA512

029540a1a0ee4ea3cc0a710f16dd8267556371f1e1963a6001a8f55af7dc06f731ed33b42ec5cbed4e6139dce6ef3b92a840c7a6488a5d3f82b08b5b3fd2b758
SSDEEP

12288:Sv1gekF95mo/isf+iakRdWMR2bu5NcH2G2WuADwWP2hoT6H:cmvF1FfokRX2bu59KOhM6H

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7719054034:AAHonYJDOpWskt5QdgdvYe662dLuhtscDqw/sendMessage?chat_id=6370711846

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1912-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1912-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1912-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1912-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1912-10-0x0000000000400000-0x0000000000426000-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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2076 set thread context of 1912	2076	Curriculum Vitae.exe	31

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

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2076	Curriculum Vitae.exe
2076	Curriculum Vitae.exe
2076	Curriculum Vitae.exe
2076	Curriculum Vitae.exe
2076	Curriculum Vitae.exe
2076	Curriculum Vitae.exe
2076	Curriculum Vitae.exe
2076	Curriculum Vitae.exe
2076	Curriculum Vitae.exe
2076	Curriculum Vitae.exe
2076	Curriculum Vitae.exe
2076	Curriculum Vitae.exe
1912	Curriculum Vitae.exe
1912	Curriculum Vitae.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2076	Curriculum Vitae.exe
Token: SeDebugPrivilege	1912	Curriculum Vitae.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 1912	2076	Curriculum Vitae.exe	31
PID 2076 wrote to memory of 1912	2076	Curriculum Vitae.exe	31
PID 2076 wrote to memory of 1912	2076	Curriculum Vitae.exe	31
PID 2076 wrote to memory of 1912	2076	Curriculum Vitae.exe	31
PID 2076 wrote to memory of 1912	2076	Curriculum Vitae.exe	31
PID 2076 wrote to memory of 1912	2076	Curriculum Vitae.exe	31
PID 2076 wrote to memory of 1912	2076	Curriculum Vitae.exe	31
PID 2076 wrote to memory of 1912	2076	Curriculum Vitae.exe	31
PID 2076 wrote to memory of 1912	2076	Curriculum Vitae.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.exe

C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae.exe
"C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae.exe
  "C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae.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:1912

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/1912-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1912-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1912-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1912-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1912-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1912-26-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/1912-25-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/1912-24-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/1912-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1912-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1912-23-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/1912-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2076-6-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/2076-3-0x0000000004940000-0x00000000049CA000-memory.dmp

Filesize
552KB

Download
memory/2076-4-0x0000000000920000-0x000000000093E000-memory.dmp

Filesize
120KB

Download
memory/2076-0-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

Filesize
4KB

Download
memory/2076-2-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/2076-22-0x0000000073FA0000-0x000000007468E000-memory.dmp

Filesize
6.9MB

Download
memory/2076-7-0x0000000001DF0000-0x0000000001E58000-memory.dmp

Filesize
416KB

Download
memory/2076-1-0x0000000000940000-0x00000000009EC000-memory.dmp

Filesize
688KB

Download
memory/2076-5-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

Filesize
4KB

Download

Analysis

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