snakekeylogger | 39257214a0020bf1450ed0ce8ffa5fd51af77493a7c757beb15935fee28aeed6

General

Target

PO_20248099-1 12,300PCS.exe
Size

523KB
MD5

5db9f3f1609f4cd4df6f627977d09fd7
SHA1

90bf0d85af20f8b712ea7e1fd9724e1ecb16589b
SHA256

ea08961190b8399e21cfb503fcbb3caee0a5ab92294311bda03b7e511ece876b
SHA512

03d708bf0d82863b667a3f91e284262ba58286580ad7214e0ec1008aba1760b21f3f518ffc7dc049887b2d099ecc0e92fc4a639f8811317fc535eae4c43659ef
SSDEEP

12288:FlEEFet43oFyro4IZ/kHT7R6GJ9i/LH+F+KawP:Fnot43oFyoJZ/kHT7R6gz+Ka

Score

10^/10

snakekeylogger collection credential_access discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7196633070:AAEaQuZOF5M-L_385uI9rwN0ik3yySrTapE/sendMessage?chat_id=1343335992

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2820-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2820-31-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2820-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2820-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2820-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
3008	powershell.exe
2292	powershell.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO_20248099-1 12,300PCS.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO_20248099-1 12,300PCS.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO_20248099-1 12,300PCS.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 1620 set thread context of 2820	1620	PO_20248099-1 12,300PCS.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	PO_20248099-1 12,300PCS.exe
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	PO_20248099-1 12,300PCS.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
2324	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1620	PO_20248099-1 12,300PCS.exe
1620	PO_20248099-1 12,300PCS.exe
2820	PO_20248099-1 12,300PCS.exe
3008	powershell.exe
2292	powershell.exe
2820	PO_20248099-1 12,300PCS.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	PO_20248099-1 12,300PCS.exe
Token: SeDebugPrivilege	2820	PO_20248099-1 12,300PCS.exe
Token: SeDebugPrivilege	3008	powershell.exe
Token: SeDebugPrivilege	2292	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2292	1620	PO_20248099-1 12,300PCS.exe	30
PID 1620 wrote to memory of 2292	1620	PO_20248099-1 12,300PCS.exe	30
PID 1620 wrote to memory of 2292	1620	PO_20248099-1 12,300PCS.exe	30
PID 1620 wrote to memory of 2292	1620	PO_20248099-1 12,300PCS.exe	30
PID 1620 wrote to memory of 3008	1620	PO_20248099-1 12,300PCS.exe	32
PID 1620 wrote to memory of 3008	1620	PO_20248099-1 12,300PCS.exe	32
PID 1620 wrote to memory of 3008	1620	PO_20248099-1 12,300PCS.exe	32
PID 1620 wrote to memory of 3008	1620	PO_20248099-1 12,300PCS.exe	32
PID 1620 wrote to memory of 2324	1620	PO_20248099-1 12,300PCS.exe	34
PID 1620 wrote to memory of 2324	1620	PO_20248099-1 12,300PCS.exe	34
PID 1620 wrote to memory of 2324	1620	PO_20248099-1 12,300PCS.exe	34
PID 1620 wrote to memory of 2324	1620	PO_20248099-1 12,300PCS.exe	34
PID 1620 wrote to memory of 2820	1620	PO_20248099-1 12,300PCS.exe	36
PID 1620 wrote to memory of 2820	1620	PO_20248099-1 12,300PCS.exe	36
PID 1620 wrote to memory of 2820	1620	PO_20248099-1 12,300PCS.exe	36
PID 1620 wrote to memory of 2820	1620	PO_20248099-1 12,300PCS.exe	36
PID 1620 wrote to memory of 2820	1620	PO_20248099-1 12,300PCS.exe	36
PID 1620 wrote to memory of 2820	1620	PO_20248099-1 12,300PCS.exe	36
PID 1620 wrote to memory of 2820	1620	PO_20248099-1 12,300PCS.exe	36
PID 1620 wrote to memory of 2820	1620	PO_20248099-1 12,300PCS.exe	36
PID 1620 wrote to memory of 2820	1620	PO_20248099-1 12,300PCS.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO_20248099-1 12,300PCS.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO_20248099-1 12,300PCS.exe

C:\Users\Admin\AppData\Local\Temp\PO_20248099-1 12,300PCS.exe
"C:\Users\Admin\AppData\Local\Temp\PO_20248099-1 12,300PCS.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620
- 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\PO_20248099-1 12,300PCS.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2292
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UIYZnHxR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3008
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UIYZnHxR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDAB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2324
- C:\Users\Admin\AppData\Local\Temp\PO_20248099-1 12,300PCS.exe
  "C:\Users\Admin\AppData\Local\Temp\PO_20248099-1 12,300PCS.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:2820

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
970000f72102fa902c7b033ba6d1f167

SHA1
bd307c7c627d6b972b9ef1499df95e8626d8f273

SHA256
97cf0e78088d1f7e1862a256d15a37c9098c8b12a2ff354f8171cd8f71b95f76

SHA512
c0dc627b0172a8a13187f68f82551b34c026244258d1a7e835e02bbe25c04d6f4371707f6efe2eb6506abcd4cb0ffb0096be976053fc8335c1665653162cba8e

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

Filesize
7KB

MD5
a6805acacc2e20b8e9b24eb2c0ad3b81

SHA1
1e4f75449f1d364d6cf506756810d42532911e46

SHA256
63e9f76f7bea1f72be40d95bafa070120df0a335e2e4aabe301872dac9505a5e

SHA512
83fdfda004d591e41d22e2bf1b7366e4c186f6335e271858a333e0c0955b77aac3f51e63423cd6dfb20b346bb7bdb880e1af53c8067d8f3c1743efeca779c9d9

Download Submit
memory/1620-4-0x0000000000880000-0x0000000000890000-memory.dmp

Filesize
64KB

Download
memory/1620-3-0x0000000000BD0000-0x0000000000C4E000-memory.dmp

Filesize
504KB

Download
memory/1620-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/1620-5-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/1620-6-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/1620-7-0x0000000004D80000-0x0000000004DE8000-memory.dmp

Filesize
416KB

Download
memory/1620-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/1620-1-0x0000000001270000-0x00000000012F8000-memory.dmp

Filesize
544KB

Download
memory/1620-32-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2820-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2820-31-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2820-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2820-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2820-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2820-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2820-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2820-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads