snakekeylogger | 741caf63351d781a3c4c7b613947695c76bb5ebe864d53eb93acd9548a82038c

General

Target

PO-VHR-S235029B.exe
Size

881KB
MD5

97bf3e9ac8d864df3fe745391b1d7b5c
SHA1

19f6b1148326286635c38a74e0a0f9b222632ade
SHA256

741caf63351d781a3c4c7b613947695c76bb5ebe864d53eb93acd9548a82038c
SHA512

f27be725cb11bbc51110fb4f7e8843c011394baf08f267231d2d176033e651e77bdd37d197a14126b11043e9a94023c29c828ea9e811bb48c1401a13a653bd9a
SSDEEP

12288:HW16FiPUY4eVPd0JTJxbh8FIGQSlxZc+b0/SOp3LzKBFxtXkUB1Z4J:24FEUYV6Xbg/bZcrl3vKBFksQ

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5818680343:AAGVJsfIHcopySiifMCdAaFCv-ICp2_Yo_M/sendMessage?chat_id=5765702254

Signatures

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

Snake Keylogger payload 7 IoCs

resource	yara_rule
behavioral1/memory/332-62-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/332-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/332-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/332-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/332-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/332-70-0x0000000004E10000-0x0000000004E50000-memory.dmp	family_snakekeylogger
behavioral1/memory/332-71-0x0000000004E10000-0x0000000004E50000-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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-VHR-S235029B.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-VHR-S235029B.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-VHR-S235029B.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 1696 set thread context of 332	1696	PO-VHR-S235029B.exe	28

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1696	PO-VHR-S235029B.exe
332	PO-VHR-S235029B.exe
332	PO-VHR-S235029B.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1696	PO-VHR-S235029B.exe
Token: SeDebugPrivilege	332	PO-VHR-S235029B.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 2012	1696	PO-VHR-S235029B.exe	27
PID 1696 wrote to memory of 2012	1696	PO-VHR-S235029B.exe	27
PID 1696 wrote to memory of 2012	1696	PO-VHR-S235029B.exe	27
PID 1696 wrote to memory of 2012	1696	PO-VHR-S235029B.exe	27
PID 1696 wrote to memory of 332	1696	PO-VHR-S235029B.exe	28
PID 1696 wrote to memory of 332	1696	PO-VHR-S235029B.exe	28
PID 1696 wrote to memory of 332	1696	PO-VHR-S235029B.exe	28
PID 1696 wrote to memory of 332	1696	PO-VHR-S235029B.exe	28
PID 1696 wrote to memory of 332	1696	PO-VHR-S235029B.exe	28
PID 1696 wrote to memory of 332	1696	PO-VHR-S235029B.exe	28
PID 1696 wrote to memory of 332	1696	PO-VHR-S235029B.exe	28
PID 1696 wrote to memory of 332	1696	PO-VHR-S235029B.exe	28
PID 1696 wrote to memory of 332	1696	PO-VHR-S235029B.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-VHR-S235029B.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-VHR-S235029B.exe

C:\Users\Admin\AppData\Local\Temp\PO-VHR-S235029B.exe
"C:\Users\Admin\AppData\Local\Temp\PO-VHR-S235029B.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Users\Admin\AppData\Local\Temp\PO-VHR-S235029B.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-VHR-S235029B.exe"
  2⤵
  PID:2012
- C:\Users\Admin\AppData\Local\Temp\PO-VHR-S235029B.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-VHR-S235029B.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/332-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/332-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/332-71-0x0000000004E10000-0x0000000004E50000-memory.dmp

Filesize
256KB

Download
memory/332-70-0x0000000004E10000-0x0000000004E50000-memory.dmp

Filesize
256KB

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

Filesize
152KB

Download
memory/332-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/332-65-0x0000000000400000-0x0000000000426000-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/332-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1696-58-0x0000000000930000-0x0000000000936000-memory.dmp

Filesize
24KB

Download
memory/1696-55-0x0000000004DE0000-0x0000000004E20000-memory.dmp

Filesize
256KB

Download
memory/1696-54-0x00000000000F0000-0x00000000001D2000-memory.dmp

Filesize
904KB

Download
memory/1696-59-0x0000000002020000-0x0000000002048000-memory.dmp

Filesize
160KB

Download
memory/1696-57-0x00000000050F0000-0x0000000005152000-memory.dmp

Filesize
392KB

Download
memory/1696-56-0x00000000004F0000-0x0000000000508000-memory.dmp

Filesize
96KB

Download

Analysis

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