snakekeylogger | 320e2a1e5cd7741bcec4c8f6d37527ea1905844247b1419e201104d8dd6e0fc5

General

Target

PO-500741.exe
Size

990KB
MD5

d2b6495aaed7ba9e21661e9246cc9382
SHA1

5195b6fad939a73aa3bf5169a57104e773ffe743
SHA256

320e2a1e5cd7741bcec4c8f6d37527ea1905844247b1419e201104d8dd6e0fc5
SHA512

72b00dc16631e12213e86e046911155d55823b8f27207d77adfdc6a5f2bc8ab216eeeb319a083bfc6ef3d6c9289b368eade69257b9cd59cedaa5a7ba76d8966e
SSDEEP

12288:/CnbIYazKJ2Ltj4YpY6EY8osxJ9mgDP5xugrFWRkgf45lFZJ6gcmK8JGRTw:/CHizL54gY6EKiXx/FTjFZsd+JT

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5310184099:AAGxqu0IL8tjOF6Eq6x2u0gfcHhvuxRwfLU/sendMessage?chat_id=5350445922

Signatures

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

Snake Keylogger payload 7 IoCs

resource	yara_rule
behavioral1/memory/1072-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1072-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1072-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1072-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1072-71-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1072-72-0x0000000004C50000-0x0000000004C90000-memory.dmp	family_snakekeylogger
behavioral1/memory/1072-73-0x0000000004C50000-0x0000000004C90000-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-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-500741.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-500741.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-500741.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 1296 set thread context of 1072	1296	PO-500741.exe	30

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1296	PO-500741.exe
1296	PO-500741.exe
1072	PO-500741.exe
1072	PO-500741.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1296	PO-500741.exe
Token: SeDebugPrivilege	1072	PO-500741.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 560	1296	PO-500741.exe	28
PID 1296 wrote to memory of 560	1296	PO-500741.exe	28
PID 1296 wrote to memory of 560	1296	PO-500741.exe	28
PID 1296 wrote to memory of 560	1296	PO-500741.exe	28
PID 1296 wrote to memory of 1276	1296	PO-500741.exe	29
PID 1296 wrote to memory of 1276	1296	PO-500741.exe	29
PID 1296 wrote to memory of 1276	1296	PO-500741.exe	29
PID 1296 wrote to memory of 1276	1296	PO-500741.exe	29
PID 1296 wrote to memory of 1072	1296	PO-500741.exe	30
PID 1296 wrote to memory of 1072	1296	PO-500741.exe	30
PID 1296 wrote to memory of 1072	1296	PO-500741.exe	30
PID 1296 wrote to memory of 1072	1296	PO-500741.exe	30
PID 1296 wrote to memory of 1072	1296	PO-500741.exe	30
PID 1296 wrote to memory of 1072	1296	PO-500741.exe	30
PID 1296 wrote to memory of 1072	1296	PO-500741.exe	30
PID 1296 wrote to memory of 1072	1296	PO-500741.exe	30
PID 1296 wrote to memory of 1072	1296	PO-500741.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-500741.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-500741.exe

C:\Users\Admin\AppData\Local\Temp\PO-500741.exe
"C:\Users\Admin\AppData\Local\Temp\PO-500741.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Users\Admin\AppData\Local\Temp\PO-500741.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-500741.exe"
  2⤵
  PID:560
- C:\Users\Admin\AppData\Local\Temp\PO-500741.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-500741.exe"
  2⤵
  PID:1276
- C:\Users\Admin\AppData\Local\Temp\PO-500741.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-500741.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1072

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/1072-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1072-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1072-73-0x0000000004C50000-0x0000000004C90000-memory.dmp

Filesize
256KB

Download
memory/1072-72-0x0000000004C50000-0x0000000004C90000-memory.dmp

Filesize
256KB

Download
memory/1072-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1072-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1072-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1072-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1072-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1072-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1296-55-0x0000000002050000-0x0000000002090000-memory.dmp

Filesize
256KB

Download
memory/1296-61-0x00000000046E0000-0x0000000004708000-memory.dmp

Filesize
160KB

Download
memory/1296-54-0x0000000000180000-0x000000000027E000-memory.dmp

Filesize
1016KB

Download
memory/1296-60-0x00000000046D0000-0x00000000046D8000-memory.dmp

Filesize
32KB

Download
memory/1296-59-0x0000000005680000-0x0000000005722000-memory.dmp

Filesize
648KB

Download
memory/1296-58-0x00000000007B0000-0x00000000007BC000-memory.dmp

Filesize
48KB

Download
memory/1296-57-0x0000000002050000-0x0000000002090000-memory.dmp

Filesize
256KB

Download
memory/1296-56-0x0000000001D70000-0x0000000001D8E000-memory.dmp

Filesize
120KB

Download

Analysis

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