snakekeylogger | 2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4

General

Target

2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe
Size

810KB
MD5

1feb066e46d1beed60404a2a6adb3d5a
SHA1

a8a8627b651f037647294992cef1dc0924a6abbb
SHA256

2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4
SHA512

13adac6a8aafc03608d04951f551c21a723081f800d311f4ff2061d145a6fe6a751a5ff69e42d980ddb8ef12633a846f92d3919714c8626d16d6fa61b750178f
SSDEEP

12288:paMaSzOKy2r7SPN+3TzXhMlJ/AeHvC/yj0YVYdjTLdUR2:wMaSSKy2/SPNUbhve6/yyZTxU

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7880085226:AAFn59bjY_5aEtKKH3yN4wktDN454dzF1lM/sendMessage?chat_id=6055880871

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2840-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2840-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2840-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2840-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2840-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\00.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\00.exe	Powershell.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 2244 set thread context of 2840	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	32

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2736	Powershell.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2144	2840	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2736	Powershell.exe
2840	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	Powershell.exe
Token: SeDebugPrivilege	2840	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2736	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	30
PID 2244 wrote to memory of 2736	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	30
PID 2244 wrote to memory of 2736	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	30
PID 2244 wrote to memory of 2736	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	30
PID 2244 wrote to memory of 2840	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	32
PID 2244 wrote to memory of 2840	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	32
PID 2244 wrote to memory of 2840	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	32
PID 2244 wrote to memory of 2840	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	32
PID 2244 wrote to memory of 2840	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	32
PID 2244 wrote to memory of 2840	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	32
PID 2244 wrote to memory of 2840	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	32
PID 2244 wrote to memory of 2840	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	32
PID 2244 wrote to memory of 2840	2244	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	32
PID 2840 wrote to memory of 2144	2840	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	33
PID 2840 wrote to memory of 2144	2840	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	33
PID 2840 wrote to memory of 2144	2840	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	33
PID 2840 wrote to memory of 2144	2840	2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe	33

C:\Users\Admin\AppData\Local\Temp\2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe
"C:\Users\Admin\AppData\Local\Temp\2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\00.exe'
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736
- C:\Users\Admin\AppData\Local\Temp\2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe
  "C:\Users\Admin\AppData\Local\Temp\2553adadd29af4148be4c10f1771573b149006815374121bb802fa7599ab06f4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 1096
    3⤵
    - Program crash
    PID:2144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2244-13-0x00000000004D0000-0x00000000004D8000-memory.dmp

Filesize
32KB

Download
memory/2244-1-0x0000000000F80000-0x0000000001050000-memory.dmp

Filesize
832KB

Download
memory/2244-2-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-3-0x0000000000470000-0x00000000004C6000-memory.dmp

Filesize
344KB

Download
memory/2244-30-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/2244-29-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/2736-7-0x000000006EFC0000-0x000000006F56B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-9-0x000000006EFC0000-0x000000006F56B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-12-0x000000006EFC0000-0x000000006F56B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-10-0x000000006EFC0000-0x000000006F56B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-6-0x000000006EFC1000-0x000000006EFC2000-memory.dmp

Filesize
4KB

Download
memory/2736-8-0x000000006EFC0000-0x000000006F56B000-memory.dmp

Filesize
5.7MB

Download
memory/2840-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2840-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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