snakekeylogger | 8faa7e9a056ae7d581ce9c0ebcc966667dcf433f29443912da3d9026ca51c548

General

Target

Curriculum Vitae.exe
Size

523KB
MD5

af77754954cf982f4933912076058481
SHA1

a05dc147aee7e9e639b466014f01b9c4f6fc4e9a
SHA256

60c02fe06b1245384055747b14c0c5af879c0973ff23c7701a45fd92372bf631
SHA512

b433225c30967069965bef2aa441d1efc95cfd62269d181016495567f83d462c76cb4724479460174aae53062a11717f93b0ba9355d3ab1138447fc61f23f5bf
SSDEEP

12288:Os/QWwxkbCSCLKgmbz9QU2FXSZjMb1Vss6qrd4ySL:OsHnbAmt+FXSW5Rrd4yS

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/3044-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/3044-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/3044-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/3044-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/3044-18-0x0000000000400000-0x0000000000426000-memory.dmp	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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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 2236 set thread context of 3044	2236	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 11 IoCs

pid	Process
2236	Curriculum Vitae.exe
2236	Curriculum Vitae.exe
2236	Curriculum Vitae.exe
2236	Curriculum Vitae.exe
2236	Curriculum Vitae.exe
2236	Curriculum Vitae.exe
2236	Curriculum Vitae.exe
2236	Curriculum Vitae.exe
2236	Curriculum Vitae.exe
3044	Curriculum Vitae.exe
3044	Curriculum Vitae.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2236	Curriculum Vitae.exe
Token: SeDebugPrivilege	3044	Curriculum Vitae.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 3044	2236	Curriculum Vitae.exe	31
PID 2236 wrote to memory of 3044	2236	Curriculum Vitae.exe	31
PID 2236 wrote to memory of 3044	2236	Curriculum Vitae.exe	31
PID 2236 wrote to memory of 3044	2236	Curriculum Vitae.exe	31
PID 2236 wrote to memory of 3044	2236	Curriculum Vitae.exe	31
PID 2236 wrote to memory of 3044	2236	Curriculum Vitae.exe	31
PID 2236 wrote to memory of 3044	2236	Curriculum Vitae.exe	31
PID 2236 wrote to memory of 3044	2236	Curriculum Vitae.exe	31
PID 2236 wrote to memory of 3044	2236	Curriculum Vitae.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\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-1-5-21-3063565911-2056067323-3330884624-1000\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:2236
- 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:3044

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/2236-0-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/2236-1-0x0000000001260000-0x00000000012EA000-memory.dmp

Filesize
552KB

Download
memory/2236-2-0x0000000074530000-0x0000000074C1E000-memory.dmp

Filesize
6.9MB

Download
memory/2236-3-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/2236-4-0x0000000074530000-0x0000000074C1E000-memory.dmp

Filesize
6.9MB

Download
memory/2236-5-0x00000000004B0000-0x00000000004C2000-memory.dmp

Filesize
72KB

Download
memory/2236-6-0x0000000005BF0000-0x0000000005C58000-memory.dmp

Filesize
416KB

Download
memory/2236-20-0x0000000074530000-0x0000000074C1E000-memory.dmp

Filesize
6.9MB

Download
memory/3044-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3044-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3044-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3044-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3044-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3044-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3044-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3044-19-0x0000000074530000-0x0000000074C1E000-memory.dmp

Filesize
6.9MB

Download
memory/3044-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3044-21-0x0000000074530000-0x0000000074C1E000-memory.dmp

Filesize
6.9MB

Download
memory/3044-22-0x0000000074530000-0x0000000074C1E000-memory.dmp

Filesize
6.9MB

Download
memory/3044-23-0x0000000074530000-0x0000000074C1E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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