snakekeylogger | 4fc184671e57d103f1d4d2522d561c4e36d0eb1b221c4f05e5e77e044fbc3570

General

Target

b7cc6fa087d322f6075d16ada8332f3c.exe
Size

767KB
MD5

b7cc6fa087d322f6075d16ada8332f3c
SHA1

2e1e65d0efdca11b5067105d5c458cb19eedaa2e
SHA256

4fc184671e57d103f1d4d2522d561c4e36d0eb1b221c4f05e5e77e044fbc3570
SHA512

84a38226f9fb0d69b7b58cf05e5a76f4d0fd2ae3c4002a6dfc93e1d7d1abd116773872abc22a45108fc6e44297b2f16e82bb0e74e5f2a384ef0c5218bfea3d65
SSDEEP

12288:lTGYi0MDFPIAx2HTuBjBSe8LZ8PIIXfK1niI9QFPsIg95lvTHRyoYM:lDCSG6Z8LXf8iIiFsIgvpjRpYM

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4844-138-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7cc6fa087d322f6075d16ada8332f3c.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7cc6fa087d322f6075d16ada8332f3c.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7cc6fa087d322f6075d16ada8332f3c.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
46	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1264 set thread context of 4844	1264	b7cc6fa087d322f6075d16ada8332f3c.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4844	b7cc6fa087d322f6075d16ada8332f3c.exe
4844	b7cc6fa087d322f6075d16ada8332f3c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4844	b7cc6fa087d322f6075d16ada8332f3c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 4844	1264	b7cc6fa087d322f6075d16ada8332f3c.exe	89
PID 1264 wrote to memory of 4844	1264	b7cc6fa087d322f6075d16ada8332f3c.exe	89
PID 1264 wrote to memory of 4844	1264	b7cc6fa087d322f6075d16ada8332f3c.exe	89
PID 1264 wrote to memory of 4844	1264	b7cc6fa087d322f6075d16ada8332f3c.exe	89
PID 1264 wrote to memory of 4844	1264	b7cc6fa087d322f6075d16ada8332f3c.exe	89
PID 1264 wrote to memory of 4844	1264	b7cc6fa087d322f6075d16ada8332f3c.exe	89
PID 1264 wrote to memory of 4844	1264	b7cc6fa087d322f6075d16ada8332f3c.exe	89
PID 1264 wrote to memory of 4844	1264	b7cc6fa087d322f6075d16ada8332f3c.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7cc6fa087d322f6075d16ada8332f3c.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7cc6fa087d322f6075d16ada8332f3c.exe

C:\Users\Admin\AppData\Local\Temp\b7cc6fa087d322f6075d16ada8332f3c.exe
"C:\Users\Admin\AppData\Local\Temp\b7cc6fa087d322f6075d16ada8332f3c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Users\Admin\AppData\Local\Temp\b7cc6fa087d322f6075d16ada8332f3c.exe
  "C:\Users\Admin\AppData\Local\Temp\b7cc6fa087d322f6075d16ada8332f3c.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4844

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b7cc6fa087d322f6075d16ada8332f3c.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1264-132-0x00000000000B0000-0x0000000000176000-memory.dmp

Filesize
792KB

Download
memory/1264-133-0x0000000005130000-0x00000000056D4000-memory.dmp

Filesize
5.6MB

Download
memory/1264-134-0x0000000004B80000-0x0000000004C12000-memory.dmp

Filesize
584KB

Download
memory/1264-135-0x0000000004B20000-0x0000000004B2A000-memory.dmp

Filesize
40KB

Download
memory/1264-136-0x0000000008800000-0x000000000889C000-memory.dmp

Filesize
624KB

Download
memory/4844-137-0x0000000000000000-mapping.dmp

Download
memory/4844-138-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4844-140-0x0000000006B40000-0x0000000006D02000-memory.dmp

Filesize
1.8MB

Download

Analysis

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