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 1 IoCs

resource	yara_rule
behavioral2/memory/944-13-0x0000000000400000-0x0000000000426000-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-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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
31	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1736 set thread context of 944	1736	Curriculum Vitae.exe	98

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 16 IoCs

pid	Process
1736	Curriculum Vitae.exe
1736	Curriculum Vitae.exe
1736	Curriculum Vitae.exe
1736	Curriculum Vitae.exe
1736	Curriculum Vitae.exe
1736	Curriculum Vitae.exe
1736	Curriculum Vitae.exe
1736	Curriculum Vitae.exe
1736	Curriculum Vitae.exe
1736	Curriculum Vitae.exe
1736	Curriculum Vitae.exe
1736	Curriculum Vitae.exe
1736	Curriculum Vitae.exe
1736	Curriculum Vitae.exe
944	Curriculum Vitae.exe
944	Curriculum Vitae.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	Curriculum Vitae.exe
Token: SeDebugPrivilege	944	Curriculum Vitae.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 4640	1736	Curriculum Vitae.exe	97
PID 1736 wrote to memory of 4640	1736	Curriculum Vitae.exe	97
PID 1736 wrote to memory of 4640	1736	Curriculum Vitae.exe	97
PID 1736 wrote to memory of 944	1736	Curriculum Vitae.exe	98
PID 1736 wrote to memory of 944	1736	Curriculum Vitae.exe	98
PID 1736 wrote to memory of 944	1736	Curriculum Vitae.exe	98
PID 1736 wrote to memory of 944	1736	Curriculum Vitae.exe	98
PID 1736 wrote to memory of 944	1736	Curriculum Vitae.exe	98
PID 1736 wrote to memory of 944	1736	Curriculum Vitae.exe	98
PID 1736 wrote to memory of 944	1736	Curriculum Vitae.exe	98
PID 1736 wrote to memory of 944	1736	Curriculum Vitae.exe	98

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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-1-5-21-2878641211-696417878-3864914810-1000\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:1736
- C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae.exe
  "C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae.exe"
  2⤵
  PID:4640
- 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:944

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Curriculum Vitae.exe.log

Filesize
1KB

MD5
7cad59aef5a93f093b6ba494f13f796f

SHA1
3cef97b77939bfc06dfd3946fc1a8cd159f67100

SHA256
1e1b444fe2d8772f6709b22b94bb5b0aa7fa590f6a693705d9bf1f2f71267a55

SHA512
8cedd03efec34c6226a01fd6b4831a689be16545ea6b849cd96f775e0722bfefd4b47f3dd8401d2080d341d4319f75995ece60de44352a1f86a2e5dc01e6210b

Download Submit
memory/944-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/944-22-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/944-21-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/944-20-0x0000000006980000-0x0000000006B42000-memory.dmp

Filesize
1.8MB

Download
memory/944-19-0x0000000006760000-0x00000000067B0000-memory.dmp

Filesize
320KB

Download
memory/944-18-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/944-16-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1736-5-0x0000000005ED0000-0x0000000005EDA000-memory.dmp

Filesize
40KB

Download
memory/1736-6-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1736-10-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/1736-11-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1736-12-0x00000000053A0000-0x0000000005408000-memory.dmp

Filesize
416KB

Download
memory/1736-8-0x0000000008BC0000-0x0000000008BDE000-memory.dmp

Filesize
120KB

Download
memory/1736-7-0x0000000008B10000-0x0000000008B9A000-memory.dmp

Filesize
552KB

Download
memory/1736-9-0x0000000008C90000-0x0000000008D2C000-memory.dmp

Filesize
624KB

Download
memory/1736-17-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/1736-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/1736-4-0x0000000005A70000-0x0000000005DC4000-memory.dmp

Filesize
3.3MB

Download
memory/1736-3-0x00000000059D0000-0x0000000005A62000-memory.dmp

Filesize
584KB

Download
memory/1736-2-0x0000000005EE0000-0x0000000006484000-memory.dmp

Filesize
5.6MB

Download
memory/1736-1-0x0000000000F20000-0x0000000000FCC000-memory.dmp

Filesize
688KB

Download

Analysis

Sharing