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 1 IoCs

resource	yara_rule
behavioral2/memory/1688-31-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe

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
34	checkip.dyndns.org
36	reallyfreegeoip.org
39	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2364 set thread context of 1688	2364	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	100

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3464	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3464	Powershell.exe
3464	Powershell.exe
1688	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3464	Powershell.exe
Token: SeDebugPrivilege	1688	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 3464	2364	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	98
PID 2364 wrote to memory of 3464	2364	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	98
PID 2364 wrote to memory of 3464	2364	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	98
PID 2364 wrote to memory of 1688	2364	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	100
PID 2364 wrote to memory of 1688	2364	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	100
PID 2364 wrote to memory of 1688	2364	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	100
PID 2364 wrote to memory of 1688	2364	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	100
PID 2364 wrote to memory of 1688	2364	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	100
PID 2364 wrote to memory of 1688	2364	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	100
PID 2364 wrote to memory of 1688	2364	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	100
PID 2364 wrote to memory of 1688	2364	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	100
PID 1688 wrote to memory of 4420	1688	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	103
PID 1688 wrote to memory of 4420	1688	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	103
PID 1688 wrote to memory of 4420	1688	d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe	103
PID 4420 wrote to memory of 4344	4420	cmd.exe	105
PID 4420 wrote to memory of 4344	4420	cmd.exe	105
PID 4420 wrote to memory of 4344	4420	cmd.exe	105

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:2364
- 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:3464
- C:\Users\Admin\AppData\Local\Temp\d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe
  "C:\Users\Admin\AppData\Local\Temp\d53a9888b375983c277dc4471f3f37e258cca57a1e242784c4130b928127c254.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1688
- - 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:4420
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:4344

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

Query Registry

1

T1012

System Information Discovery

2

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5cwbbc2r.xf2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1688-42-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/1688-32-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/1688-31-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1688-36-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/2364-5-0x0000000004CA0000-0x0000000004CAA000-memory.dmp

Filesize
40KB

Download
memory/2364-6-0x0000000004F00000-0x0000000004F56000-memory.dmp

Filesize
344KB

Download
memory/2364-7-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/2364-8-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/2364-9-0x0000000005860000-0x00000000058FC000-memory.dmp

Filesize
624KB

Download
memory/2364-4-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/2364-3-0x0000000004D00000-0x0000000004D92000-memory.dmp

Filesize
584KB

Download
memory/2364-2-0x00000000052B0000-0x0000000005854000-memory.dmp

Filesize
5.6MB

Download
memory/2364-1-0x00000000001F0000-0x000000000027E000-memory.dmp

Filesize
568KB

Download
memory/2364-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/2364-30-0x0000000004CE0000-0x0000000004CE8000-memory.dmp

Filesize
32KB

Download
memory/3464-14-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3464-17-0x0000000005930000-0x0000000005996000-memory.dmp

Filesize
408KB

Download
memory/3464-16-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/3464-27-0x00000000059A0000-0x0000000005CF4000-memory.dmp

Filesize
3.3MB

Download
memory/3464-28-0x0000000005F90000-0x0000000005FAE000-memory.dmp

Filesize
120KB

Download
memory/3464-29-0x0000000005FF0000-0x000000000603C000-memory.dmp

Filesize
304KB

Download
memory/3464-15-0x0000000004FE0000-0x0000000005002000-memory.dmp

Filesize
136KB

Download
memory/3464-12-0x00000000050A0000-0x00000000056C8000-memory.dmp

Filesize
6.2MB

Download
memory/3464-13-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3464-33-0x0000000006F60000-0x0000000006FF6000-memory.dmp

Filesize
600KB

Download
memory/3464-35-0x00000000064E0000-0x0000000006502000-memory.dmp

Filesize
136KB

Download
memory/3464-34-0x0000000006490000-0x00000000064AA000-memory.dmp

Filesize
104KB

Download
memory/3464-11-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3464-40-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3464-10-0x0000000004A30000-0x0000000004A66000-memory.dmp

Filesize
216KB

Download

Analysis

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