snakekeylogger | 15696d741a180dacb5b3bb87cad566b4f2ffca1df0a6673d03f9b40c71ea4def

General

Target

zwqzBp3lyu3UPYc.exe
Size

662KB
MD5

665e0b39d01ec408f1e8f7fc1b2bec32
SHA1

a42c424b54ac462f3158eff4b873bb0b0535d58f
SHA256

15696d741a180dacb5b3bb87cad566b4f2ffca1df0a6673d03f9b40c71ea4def
SHA512

bc225e25ab3f5c1621b3ce91372c811444e20777ada905079fb560c991fccee3a14f7887ac623c6bf89e0b88323588457a1aab1f1cd3662214bc686b05e7508e
SSDEEP

12288:e7ni4IykaC+tMsWsNjQ9s+7LyW3avZPox1SumL:e7cd+tEqcLLyLhS1Sum

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5850516910:AAGFrVyywXI7npTHbZn_GIq2nguuXg2t7Lc/sendMessage?chat_id=5716598986

Signatures

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

Snake Keylogger payload 7 IoCs

resource	yara_rule
behavioral1/memory/332-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/332-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/332-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/332-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/332-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/332-71-0x0000000000350000-0x0000000000390000-memory.dmp	family_snakekeylogger
behavioral1/memory/332-72-0x0000000000350000-0x0000000000390000-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-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	zwqzBp3lyu3UPYc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	zwqzBp3lyu3UPYc.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	zwqzBp3lyu3UPYc.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 628 set thread context of 332	628	zwqzBp3lyu3UPYc.exe	29

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
628	zwqzBp3lyu3UPYc.exe
332	zwqzBp3lyu3UPYc.exe
332	zwqzBp3lyu3UPYc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	628	zwqzBp3lyu3UPYc.exe
Token: SeDebugPrivilege	332	zwqzBp3lyu3UPYc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 676	628	zwqzBp3lyu3UPYc.exe	28
PID 628 wrote to memory of 676	628	zwqzBp3lyu3UPYc.exe	28
PID 628 wrote to memory of 676	628	zwqzBp3lyu3UPYc.exe	28
PID 628 wrote to memory of 676	628	zwqzBp3lyu3UPYc.exe	28
PID 628 wrote to memory of 332	628	zwqzBp3lyu3UPYc.exe	29
PID 628 wrote to memory of 332	628	zwqzBp3lyu3UPYc.exe	29
PID 628 wrote to memory of 332	628	zwqzBp3lyu3UPYc.exe	29
PID 628 wrote to memory of 332	628	zwqzBp3lyu3UPYc.exe	29
PID 628 wrote to memory of 332	628	zwqzBp3lyu3UPYc.exe	29
PID 628 wrote to memory of 332	628	zwqzBp3lyu3UPYc.exe	29
PID 628 wrote to memory of 332	628	zwqzBp3lyu3UPYc.exe	29
PID 628 wrote to memory of 332	628	zwqzBp3lyu3UPYc.exe	29
PID 628 wrote to memory of 332	628	zwqzBp3lyu3UPYc.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	zwqzBp3lyu3UPYc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	zwqzBp3lyu3UPYc.exe

C:\Users\Admin\AppData\Local\Temp\zwqzBp3lyu3UPYc.exe
"C:\Users\Admin\AppData\Local\Temp\zwqzBp3lyu3UPYc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:628
- C:\Users\Admin\AppData\Local\Temp\zwqzBp3lyu3UPYc.exe
  "C:\Users\Admin\AppData\Local\Temp\zwqzBp3lyu3UPYc.exe"
  2⤵
  PID:676
- C:\Users\Admin\AppData\Local\Temp\zwqzBp3lyu3UPYc.exe
  "C:\Users\Admin\AppData\Local\Temp\zwqzBp3lyu3UPYc.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:332

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

Replay Monitor

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Downloads

memory/332-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/332-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/332-72-0x0000000000350000-0x0000000000390000-memory.dmp

Filesize
256KB

Download
memory/332-71-0x0000000000350000-0x0000000000390000-memory.dmp

Filesize
256KB

Download
memory/332-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/332-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/332-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/332-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/332-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/332-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/628-55-0x0000000004CC0000-0x0000000004D00000-memory.dmp

Filesize
256KB

Download
memory/628-60-0x0000000004190000-0x00000000041C8000-memory.dmp

Filesize
224KB

Download
memory/628-54-0x0000000000140000-0x00000000001EC000-memory.dmp

Filesize
688KB

Download
memory/628-59-0x00000000050C0000-0x0000000005130000-memory.dmp

Filesize
448KB

Download
memory/628-58-0x00000000005C0000-0x00000000005CC000-memory.dmp

Filesize
48KB

Download
memory/628-57-0x0000000004CC0000-0x0000000004D00000-memory.dmp

Filesize
256KB

Download
memory/628-56-0x0000000000540000-0x0000000000552000-memory.dmp

Filesize
72KB

Download

Analysis

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