snakekeylogger | 1f62de8050d19eb0610be857262ae0a3d54a6f9335526bde12e724f215a77059

Analysis

max time kernel
142s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
20-08-2023 10:03

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General

Target

S0678900.exe
Size

279KB
MD5

7c31ddf89f8d649a135badbbe987d4d3
SHA1

11f2f78dcc48cd1190a9e14ae94df148d15152cb
SHA256

1f62de8050d19eb0610be857262ae0a3d54a6f9335526bde12e724f215a77059
SHA512

b4177b4b60e3fd499298153b2a6b0f870e9e98d89e5fbd379d9ab9e0aa2c09ad6d81d6e10cf5f54c67511f350aeed117bd55ac0ca36fa1508f7d8ab3122e75fe
SSDEEP

6144:JYa68X94xHjFYLnTmooyPa+BqZrCTo8wd25iCV3GVHg4PUXNG5zFlj:JYO9LmpyPawol25vEVA4MazFlj

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral2/memory/3684-140-0x0000000000400000-0x0000000000437000-memory.dmp	family_snakekeylogger
behavioral2/memory/3684-141-0x0000000000400000-0x0000000000437000-memory.dmp	family_snakekeylogger
behavioral2/memory/3684-142-0x0000000000400000-0x0000000000437000-memory.dmp	family_snakekeylogger
behavioral2/memory/3684-143-0x0000000000400000-0x0000000000437000-memory.dmp	family_snakekeylogger
behavioral2/memory/3684-151-0x0000000004B90000-0x0000000004BA0000-memory.dmp	family_snakekeylogger

Loads dropped DLL 1 IoCs

pid	Process
4740	S0678900.exe

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
T1552.001
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
T1552.001
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
T1552.001

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
12	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4740 set thread context of 3684	4740	S0678900.exe	80

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3684	S0678900.exe
3684	S0678900.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4740	S0678900.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3684	S0678900.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 3684	4740	S0678900.exe	80
PID 4740 wrote to memory of 3684	4740	S0678900.exe	80
PID 4740 wrote to memory of 3684	4740	S0678900.exe	80
PID 4740 wrote to memory of 3684	4740	S0678900.exe	80

C:\Users\Admin\AppData\Local\Temp\S0678900.exe
"C:\Users\Admin\AppData\Local\Temp\S0678900.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Users\Admin\AppData\Local\Temp\S0678900.exe
  "C:\Users\Admin\AppData\Local\Temp\S0678900.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsuC536.tmp\lnqxvditic.dll

Filesize
110KB

MD5
4535176707df6efa4335f3061de50ead

SHA1
2af040cad538336eb31b2eb0f48d5c6a2b2f3976

SHA256
bfd92b46d7d6a20cff0a6a25a7b9f5e57e411f4ff9d1c57329ef7381f40ed9cd

SHA512
e207b48b8057b431ab90d64d024964b1d062b5cf0b260c9d876de192f23cde4c27d72ea1fd9fb8e60329580aa99b032dabc7cc9825a6dd929e5255fbe256d441

Download Submit
memory/3684-146-0x0000000004BA0000-0x0000000005144000-memory.dmp

Filesize
5.6MB

Download
memory/3684-145-0x0000000004B90000-0x0000000004BA0000-memory.dmp

Filesize
64KB

Download
memory/3684-141-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3684-142-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3684-147-0x00000000049F0000-0x0000000004A8C000-memory.dmp

Filesize
624KB

Download
memory/3684-144-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/3684-140-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3684-155-0x0000000004B90000-0x0000000004BA0000-memory.dmp

Filesize
64KB

Download
memory/3684-143-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3684-148-0x0000000004B90000-0x0000000004BA0000-memory.dmp

Filesize
64KB

Download
memory/3684-149-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/3684-150-0x0000000005930000-0x0000000005AF2000-memory.dmp

Filesize
1.8MB

Download
memory/3684-151-0x0000000004B90000-0x0000000004BA0000-memory.dmp

Filesize
64KB

Download
memory/3684-152-0x0000000005B00000-0x0000000005B92000-memory.dmp

Filesize
584KB

Download
memory/3684-153-0x0000000005C00000-0x0000000005C0A000-memory.dmp

Filesize
40KB

Download
memory/4740-139-0x0000000000B80000-0x0000000000B82000-memory.dmp

Filesize
8KB

Download