snakekeylogger | d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254

General

Target

d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe
Size

542KB
MD5

857fc5f1da7948839d47abe238392ea2
SHA1

8cc415a58dae52f82befc0dafd947d519a4b1574
SHA256

d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254
SHA512

7aa0f11c047f5c2401b048162f5596b656872fe9bc9a20b3b674855a8ea5c31c571f196614a9c0e246394b4ea45796a82d1cbcefbe13fbee4945abc348d01a9a
SSDEEP

12288:YiU+RfWk1oPD4MAQXOHx7S+r0c4rOQe9HDv24RPlA24:Yi3fW3D4v3c+r0clRjvDf

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6956304715:AAGEsKc2_BChUeZlL8X0MH3xZIsug2zAAIA/sendMessage?chat_id=6939220311

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1716-27-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1716-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1716-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1716-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1716-17-0x0000000000400000-0x0000000000426000-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\.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	Powershell.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1968 set thread context of 1716	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	33

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2748	Powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1716	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe
2748	Powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe
Token: SeDebugPrivilege	2748	Powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2748	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	31
PID 1968 wrote to memory of 2748	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	31
PID 1968 wrote to memory of 2748	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	31
PID 1968 wrote to memory of 2748	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	31
PID 1968 wrote to memory of 1716	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	33
PID 1968 wrote to memory of 1716	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	33
PID 1968 wrote to memory of 1716	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	33
PID 1968 wrote to memory of 1716	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	33
PID 1968 wrote to memory of 1716	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	33
PID 1968 wrote to memory of 1716	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	33
PID 1968 wrote to memory of 1716	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	33
PID 1968 wrote to memory of 1716	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	33
PID 1968 wrote to memory of 1716	1968	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	33
PID 1716 wrote to memory of 2896	1716	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	34
PID 1716 wrote to memory of 2896	1716	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	34
PID 1716 wrote to memory of 2896	1716	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	34
PID 1716 wrote to memory of 2896	1716	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	34
PID 2896 wrote to memory of 2936	2896	cmd.exe	36
PID 2896 wrote to memory of 2936	2896	cmd.exe	36
PID 2896 wrote to memory of 2936	2896	cmd.exe	36
PID 2896 wrote to memory of 2936	2896	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe
"C:\Users\Admin\AppData\Local\Temp\d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2748
- C:\Users\Admin\AppData\Local\Temp\d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe
  "C:\Users\Admin\AppData\Local\Temp\d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1716
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2896
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:2936

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 Information Discovery

1

T1082

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/1716-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1716-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1716-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1716-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1716-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1716-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1716-27-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1716-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1968-5-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/1968-12-0x0000000000B50000-0x0000000000B58000-memory.dmp

Filesize
32KB

Download
memory/1968-0-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/1968-4-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download
memory/1968-3-0x0000000001040000-0x0000000001096000-memory.dmp

Filesize
344KB

Download
memory/1968-2-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/1968-1-0x00000000013B0000-0x000000000143E000-memory.dmp

Filesize
568KB

Download
memory/2748-11-0x000000006F2B0000-0x000000006F85B000-memory.dmp

Filesize
5.7MB

Download
memory/2748-10-0x000000006F2B0000-0x000000006F85B000-memory.dmp

Filesize
5.7MB

Download
memory/2748-9-0x000000006F2B0000-0x000000006F85B000-memory.dmp

Filesize
5.7MB

Download
memory/2748-8-0x000000006F2B1000-0x000000006F2B2000-memory.dmp

Filesize
4KB

Download
memory/2748-28-0x000000006F2B0000-0x000000006F85B000-memory.dmp

Filesize
5.7MB

Download
memory/2748-30-0x000000006F2B0000-0x000000006F85B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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