snakekeylogger | 3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a

General

Target

3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe
Size

515KB
MD5

af524ce7c911317b91b4f5bd7c99eec8
SHA1

2dd79a2eff64614a5ca783bca004c078b8d4b4a9
SHA256

3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a
SHA512

8096c10fa544de31a6db1a74a85839d9c8cb5374c4a7ee5efb51d3d4b8d4595470944cf67ffecd918ce35b67d54a2085b2da3538f4075516d31aa37bca3423f0
SSDEEP

12288:iIFzKfj19UGi8mVV4Mc//Bq8rmq8WqSgxg3AyShBWf9i72l:bK/FixVDc/s8P84PSKfkE

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7323804265:AAGOrHmilwRNOOZbuVQa6WTtwu__mfCEENE/sendMessage?chat_id=7365454061

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4536-11-0x0000000000400000-0x0000000000426000-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-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.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
12	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 4536	2816	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe	87

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	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4536	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe
4536	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4536	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 4536	2816	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe	87
PID 2816 wrote to memory of 4536	2816	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe	87
PID 2816 wrote to memory of 4536	2816	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe	87
PID 2816 wrote to memory of 4536	2816	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe	87
PID 2816 wrote to memory of 4536	2816	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe	87
PID 2816 wrote to memory of 4536	2816	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe	87
PID 2816 wrote to memory of 4536	2816	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe	87
PID 2816 wrote to memory of 4536	2816	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe

C:\Users\Admin\AppData\Local\Temp\3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe
"C:\Users\Admin\AppData\Local\Temp\3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Users\Admin\AppData\Local\Temp\3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe
  "C:\Users\Admin\AppData\Local\Temp\3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.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:4536

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3fc278308168c0c7f245925212bb713f8096c6dc2241900be9db5027d384385a.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2816-4-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/2816-3-0x00000000053F0000-0x0000000005482000-memory.dmp

Filesize
584KB

Download
memory/2816-10-0x0000000008FF0000-0x000000000908C000-memory.dmp

Filesize
624KB

Download
memory/2816-9-0x00000000067C0000-0x0000000006828000-memory.dmp

Filesize
416KB

Download
memory/2816-5-0x00000000053D0000-0x00000000053DA000-memory.dmp

Filesize
40KB

Download
memory/2816-6-0x0000000005980000-0x0000000005990000-memory.dmp

Filesize
64KB

Download
memory/2816-7-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/2816-8-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/2816-15-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/2816-2-0x00000000059A0000-0x0000000005F44000-memory.dmp

Filesize
5.6MB

Download
memory/2816-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/2816-1-0x0000000000960000-0x00000000009E6000-memory.dmp

Filesize
536KB

Download
memory/4536-14-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4536-19-0x0000000006970000-0x0000000006B32000-memory.dmp

Filesize
1.8MB

Download
memory/4536-16-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4536-17-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4536-18-0x0000000006750000-0x00000000067A0000-memory.dmp

Filesize
320KB

Download
memory/4536-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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