snakekeylogger | 77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9

General

Target

specifications.exe
Size

483KB
MD5

4629d0dc92bb4c7c1b1beb0ffb8d9989
SHA1

dd016d266c083b9a91ccd29962c57c00201c9262
SHA256

77e5bef9aaab4a5b63dbaa9619266b483fc8fdfb99d73b9cdab6d9d0e986ebd9
SHA512

7ce6c52d4a0c794dd144b68fbb0d2b15b87be6e64a3fa99005157812e587b872d2ee34a1dc8b143a4814ae46d6c7a323b538d36e5042a8caffb0a36b12de49b4
SSDEEP

12288:y8G1KBsy2Mu8AORD8+V8HYSNhukvRZHaBhSUdZovH5UPm:2YB0npHYSlhMZs5Ue

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
alphagasea.com
Port:
587
Username:
[email protected]
Password:
welding123*
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2136-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2136-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2136-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2136-19-0x0000000000400000-0x0000000000426000-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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	specifications.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	specifications.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	specifications.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 1288 set thread context of 2136	1288	specifications.exe	28

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2136	specifications.exe
2136	specifications.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	specifications.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 2136	1288	specifications.exe	28
PID 1288 wrote to memory of 2136	1288	specifications.exe	28
PID 1288 wrote to memory of 2136	1288	specifications.exe	28
PID 1288 wrote to memory of 2136	1288	specifications.exe	28
PID 1288 wrote to memory of 2136	1288	specifications.exe	28
PID 1288 wrote to memory of 2136	1288	specifications.exe	28
PID 1288 wrote to memory of 2136	1288	specifications.exe	28
PID 1288 wrote to memory of 2136	1288	specifications.exe	28
PID 1288 wrote to memory of 2136	1288	specifications.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	specifications.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	specifications.exe

C:\Users\Admin\AppData\Local\Temp\specifications.exe
"C:\Users\Admin\AppData\Local\Temp\specifications.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Users\Admin\AppData\Local\Temp\specifications.exe
  "C:\Users\Admin\AppData\Local\Temp\specifications.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:2136

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/1288-0-0x0000000073F7E000-0x0000000073F7F000-memory.dmp

Filesize
4KB

Download
memory/1288-1-0x0000000000D90000-0x0000000000E10000-memory.dmp

Filesize
512KB

Download
memory/1288-2-0x0000000000690000-0x00000000006E4000-memory.dmp

Filesize
336KB

Download
memory/1288-3-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/1288-4-0x00000000004A0000-0x00000000004A8000-memory.dmp

Filesize
32KB

Download
memory/1288-22-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2136-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2136-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2136-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2136-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2136-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2136-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2136-20-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-21-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2136-23-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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