snakekeylogger | c830ccca377bdb6b649bf9b3e6169e17989905906ef4b7d20150af8ef52d5f91

General

Target

Attached Invoice.exe
Size

609KB
MD5

9ed9bb78547fb946c2904327ae14d4fa
SHA1

398da1a69a7b06daf1ad564e4b7796d9903b3428
SHA256

6b9f9c57c5f95587bf894a439c808a0769b52a08d8fc8890d6a96fd6eeab7ff4
SHA512

a6dd46dd58285d3bba8e3e4ebcb2d59fc34f37653baa00f55de9d278778d0e55162fc0ce8f09abee27aa70606479a92bc545ab664bc6b094911f449feb40be9a
SSDEEP

12288:6oIAbZWUBjYDEQkYJLNRrfFdqlnZNe77Xv4F6GupQqZd7cztT:6AbYUKDEQh91dqlni/FBHOt

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
Leternel01@

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2700-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2700-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2700-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2700-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2700-19-0x0000000000400000-0x0000000000426000-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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Attached Invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Attached Invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Attached Invoice.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 2700	1628	Attached Invoice.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	Attached Invoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Attached Invoice.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1628	Attached Invoice.exe
1628	Attached Invoice.exe
1628	Attached Invoice.exe
2700	Attached Invoice.exe
2700	Attached Invoice.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1628	Attached Invoice.exe
Token: SeDebugPrivilege	2700	Attached Invoice.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2700	1628	Attached Invoice.exe	31
PID 1628 wrote to memory of 2700	1628	Attached Invoice.exe	31
PID 1628 wrote to memory of 2700	1628	Attached Invoice.exe	31
PID 1628 wrote to memory of 2700	1628	Attached Invoice.exe	31
PID 1628 wrote to memory of 2700	1628	Attached Invoice.exe	31
PID 1628 wrote to memory of 2700	1628	Attached Invoice.exe	31
PID 1628 wrote to memory of 2700	1628	Attached Invoice.exe	31
PID 1628 wrote to memory of 2700	1628	Attached Invoice.exe	31
PID 1628 wrote to memory of 2700	1628	Attached Invoice.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Attached Invoice.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Attached Invoice.exe

C:\Users\Admin\AppData\Local\Temp\Attached Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Attached Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\Attached Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Attached Invoice.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:2700

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/1628-0-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/1628-1-0x0000000000050000-0x00000000000EE000-memory.dmp

Filesize
632KB

Download
memory/1628-2-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/1628-3-0x0000000001E60000-0x0000000001E7E000-memory.dmp

Filesize
120KB

Download
memory/1628-4-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/1628-5-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/1628-6-0x00000000005B0000-0x000000000061C000-memory.dmp

Filesize
432KB

Download
memory/1628-23-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2700-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-22-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2700-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2700-24-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2700-25-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2700-26-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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