snakekeylogger | 4e61d966615a95ad58d4fc296df2ff671468e832e43ebd81f0f0c703cf3d620f

General

Target

Import Details.exe
Size

754KB
MD5

f60eae3b5ea751760e8569402da8673d
SHA1

48d6707f7ed1a885142eb29c84c53310079fca37
SHA256

4e61d966615a95ad58d4fc296df2ff671468e832e43ebd81f0f0c703cf3d620f
SHA512

43a3a4420c5dd311b79afe51d7c113472c0063fe2c46f3bc6488d27d3f4c936e8c5488a83c7d17753ce5e581aecf7e9a32cedb231d0b057ef1521b15a6d37b72
SSDEEP

12288:UNta0s5YgbYsXdrhvaqMqJc8RqgdrGuMHc5cZe/e73XPZ:TL3cs7ZQgMHzqa3XPZ

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
difeba.com
Port:
25
Username:
[email protected]
Password:
Wrh72$p9
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3084-9-0x0000000000400000-0x0000000000426000-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-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Import Details.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Import Details.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Import Details.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
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3788 set thread context of 3084	3788	Import Details.exe	86

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3084	Import Details.exe
3084	Import Details.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3084	Import Details.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3788 wrote to memory of 3084	3788	Import Details.exe	86
PID 3788 wrote to memory of 3084	3788	Import Details.exe	86
PID 3788 wrote to memory of 3084	3788	Import Details.exe	86
PID 3788 wrote to memory of 3084	3788	Import Details.exe	86
PID 3788 wrote to memory of 3084	3788	Import Details.exe	86
PID 3788 wrote to memory of 3084	3788	Import Details.exe	86
PID 3788 wrote to memory of 3084	3788	Import Details.exe	86
PID 3788 wrote to memory of 3084	3788	Import Details.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Import Details.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Import Details.exe

C:\Users\Admin\AppData\Local\Temp\Import Details.exe
"C:\Users\Admin\AppData\Local\Temp\Import Details.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3788
- C:\Users\Admin\AppData\Local\Temp\Import Details.exe
  "C:\Users\Admin\AppData\Local\Temp\Import Details.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:3084

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/3084-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3084-16-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/3084-15-0x0000000006B90000-0x0000000006D52000-memory.dmp

Filesize
1.8MB

Download
memory/3084-14-0x0000000006970000-0x00000000069C0000-memory.dmp

Filesize
320KB

Download
memory/3084-11-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/3084-10-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/3788-8-0x0000000004D90000-0x0000000004D98000-memory.dmp

Filesize
32KB

Download
memory/3788-7-0x0000000004E40000-0x0000000004EDC000-memory.dmp

Filesize
624KB

Download
memory/3788-0-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/3788-6-0x0000000004D40000-0x0000000004D94000-memory.dmp

Filesize
336KB

Download
memory/3788-5-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/3788-4-0x0000000004BE0000-0x0000000004BEA000-memory.dmp

Filesize
40KB

Download
memory/3788-13-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/3788-3-0x0000000002780000-0x0000000002812000-memory.dmp

Filesize
584KB

Download
memory/3788-2-0x00000000052F0000-0x0000000005894000-memory.dmp

Filesize
5.6MB

Download
memory/3788-1-0x0000000000160000-0x0000000000222000-memory.dmp

Filesize
776KB

Download

Analysis

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