snakekeylogger | 39284637e45691feb034477cb6d51b662892a17b883ce42cee8d8e2fcdda4817

General

Target

tmp.exe
Size

701KB
MD5

8464e5ded61cc6085adeb10e81fc6483
SHA1

f028454b3e57fed009783c737497983b929fad85
SHA256

39284637e45691feb034477cb6d51b662892a17b883ce42cee8d8e2fcdda4817
SHA512

4261dd426d57e6085e52e4bcc4b12eb67927e72f227dab79d7e393e63a8c1ab9bcd9cea63915cad88d6417f268b12bef6dc8222c1e061bda4cdd03fb8c961d8e
SSDEEP

12288:7C42YzjMYQo4AqrgGiG5Ni1vKkyg2BWRShmxP+BXXKPURUfhaDSwXXJGRTw:7C4z9boNe3RUM+BXrYHwHJT

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6041013494:AAH-I-5N7YCs5dQrpIdJ8toHohqsTM_GsfI/sendMessage?chat_id=6291600401

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/568-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/568-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/568-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/568-74-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/568-76-0x0000000000400000-0x0000000000426000-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-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.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 1408 set thread context of 568	1408	tmp.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1080	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1408	tmp.exe
1408	tmp.exe
1408	tmp.exe
568	tmp.exe
1392	powershell.exe
568	tmp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1408	tmp.exe
Token: SeDebugPrivilege	568	tmp.exe
Token: SeDebugPrivilege	1392	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 1392	1408	tmp.exe	28
PID 1408 wrote to memory of 1392	1408	tmp.exe	28
PID 1408 wrote to memory of 1392	1408	tmp.exe	28
PID 1408 wrote to memory of 1392	1408	tmp.exe	28
PID 1408 wrote to memory of 1080	1408	tmp.exe	30
PID 1408 wrote to memory of 1080	1408	tmp.exe	30
PID 1408 wrote to memory of 1080	1408	tmp.exe	30
PID 1408 wrote to memory of 1080	1408	tmp.exe	30
PID 1408 wrote to memory of 568	1408	tmp.exe	32
PID 1408 wrote to memory of 568	1408	tmp.exe	32
PID 1408 wrote to memory of 568	1408	tmp.exe	32
PID 1408 wrote to memory of 568	1408	tmp.exe	32
PID 1408 wrote to memory of 568	1408	tmp.exe	32
PID 1408 wrote to memory of 568	1408	tmp.exe	32
PID 1408 wrote to memory of 568	1408	tmp.exe	32
PID 1408 wrote to memory of 568	1408	tmp.exe	32
PID 1408 wrote to memory of 568	1408	tmp.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CiljFQLUOyjbPW.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1392
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CiljFQLUOyjbPW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC67B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1080
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:568

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC67B.tmp

Filesize
1KB

MD5
6023856c46cee8d6dbfcb7010c0d2026

SHA1
ad8ed500f85ea7dd775844de9523af5b80683e66

SHA256
da2054c401e5038fedd1b165e37f4f87f5aee58e9d60dc9f849b9c711d99ee86

SHA512
a07557dd1a5f9000d5dcd04e16c33ec330d197a98af94159fcd60049bc0f5540331476b39bc7e4f7081ff85e18390aa200d25b05e96dd35d5209157ad4155a04

Download Submit
memory/568-74-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/568-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/568-81-0x00000000023C0000-0x0000000002400000-memory.dmp

Filesize
256KB

Download
memory/568-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/568-79-0x00000000023C0000-0x0000000002400000-memory.dmp

Filesize
256KB

Download
memory/568-76-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/568-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/568-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/568-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/568-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1392-80-0x0000000002500000-0x0000000002540000-memory.dmp

Filesize
256KB

Download
memory/1408-58-0x00000000005C0000-0x00000000005CC000-memory.dmp

Filesize
48KB

Download
memory/1408-56-0x00000000009E0000-0x00000000009FE000-memory.dmp

Filesize
120KB

Download
memory/1408-66-0x0000000000E00000-0x0000000000E28000-memory.dmp

Filesize
160KB

Download
memory/1408-65-0x0000000000DF0000-0x0000000000DF8000-memory.dmp

Filesize
32KB

Download
memory/1408-54-0x0000000000E30000-0x0000000000EE6000-memory.dmp

Filesize
728KB

Download
memory/1408-55-0x00000000005D0000-0x0000000000610000-memory.dmp

Filesize
256KB

Download
memory/1408-59-0x00000000056A0000-0x0000000005740000-memory.dmp

Filesize
640KB

Download
memory/1408-57-0x00000000005D0000-0x0000000000610000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads