snakekeylogger | 4e65a7e9e8c4466251e4ecf61e0758691bfd41bd141e4dedde3b78aad380b531

General

Target

c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
Size

620KB
MD5

8f6d690e119684b1629d41f97b83fb23
SHA1

46efdb7ae7079a781723d75e390431aa4c6080e5
SHA256

c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29
SHA512

aa25c86da804170e08f3e4d5d64d7d07007bee539b26b27bc39476de4f99fca8fc0d7eaa3854556d004217982ab36c83f8f15bb21cbf1ffcc382edd911631d9c
SSDEEP

12288:bMVmiWX9OeYHC89ljwRbfWwtODSyaAXd1mA1Ak6OsgSb4VqU+H4o5zBFtyakR:gTONYHFvjwRzCxXd1mvOsH6eYoLy5

Score

10^/10

snakekeylogger collection discovery execution keylogger 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
behavioral1/memory/2456-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2456-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2456-31-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2456-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2456-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
536	powershell.exe
2800	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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 2524 set thread context of 2456	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	36

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2056	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
2456	RegSvcs.exe
2800	powershell.exe
536	powershell.exe
2456	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
Token: SeDebugPrivilege	2456	RegSvcs.exe
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeDebugPrivilege	536	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 536	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	30
PID 2524 wrote to memory of 536	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	30
PID 2524 wrote to memory of 536	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	30
PID 2524 wrote to memory of 536	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	30
PID 2524 wrote to memory of 2800	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	32
PID 2524 wrote to memory of 2800	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	32
PID 2524 wrote to memory of 2800	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	32
PID 2524 wrote to memory of 2800	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	32
PID 2524 wrote to memory of 2056	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	34
PID 2524 wrote to memory of 2056	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	34
PID 2524 wrote to memory of 2056	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	34
PID 2524 wrote to memory of 2056	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	34
PID 2524 wrote to memory of 2456	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	36
PID 2524 wrote to memory of 2456	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	36
PID 2524 wrote to memory of 2456	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	36
PID 2524 wrote to memory of 2456	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	36
PID 2524 wrote to memory of 2456	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	36
PID 2524 wrote to memory of 2456	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	36
PID 2524 wrote to memory of 2456	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	36
PID 2524 wrote to memory of 2456	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	36
PID 2524 wrote to memory of 2456	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	36
PID 2524 wrote to memory of 2456	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	36
PID 2524 wrote to memory of 2456	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	36
PID 2524 wrote to memory of 2456	2524	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
"C:\Users\Admin\AppData\Local\Temp\c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:536
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lyKbfEsVYfQfU.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2800
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lyKbfEsVYfQfU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5245.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2056
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5245.tmp

Filesize
1KB

MD5
527bc7413ce5c4ce6588b8ef832ef2d8

SHA1
3ebecea60556e7d326c5281f44a39fb564e8da5a

SHA256
06b233ea4051635febef173791f24561117b02992064db35b3e6dac48bfe0464

SHA512
848ea5fd63724861cd9c188c06954c235d475ab3e1d9c1f3bdbf16e522a75ddd21b4cf64204ed3f05f5c77d43a3c01c3e83418ac7b2c8e311257b9fddb0f73f7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
2abc4bb6a7e1442b3ea025d3d66b8083

SHA1
aa6a22bd186abaa7855d43dec98f138fc54e2537

SHA256
31ca3649184a34ec59d969d183f90be11330cb6e8aad703d11fc1faf0ec6130a

SHA512
260037729831edb799005a1ee69cb3c906bb33a4fdb7495cb4b0e7b13047f17800ecbe65039488ae998d4c32ea9483f39404c7855386c5ee30135f51947970dd

Download Submit
memory/2456-31-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2456-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2456-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2456-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2456-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2456-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2456-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2456-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2524-6-0x0000000005700000-0x000000000576C000-memory.dmp

Filesize
432KB

Download
memory/2524-1-0x0000000000FC0000-0x000000000105C000-memory.dmp

Filesize
624KB

Download
memory/2524-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2524-2-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2524-3-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2524-5-0x0000000000460000-0x0000000000472000-memory.dmp

Filesize
72KB

Download
memory/2524-4-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2524-32-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads