snakekeylogger | db4c9f78490f0152cd750980db402d610c42157e240faf1287d84ad3e5d9026b

General

Target

Purchase Order 194960.exe
Size

625KB
MD5

92514a6ef5868dd0dbba559a12ccb68c
SHA1

9dbacede171405c46debfe2cc40128ddc731103b
SHA256

862a46281deaadf07f5ce4d2e40efef9949326a8e5622cf2d412ec962a833195
SHA512

e8a6a09488a4c59bb317c6d166d4a8aa69e4e5dc012dd88de8b5e4688b97f5039ad0189e4e0a2c28de4e0bac1ed0b1e0c90e9f1a49bdb588cfa84a6427ab733a
SSDEEP

12288:7nLHWa+ka4ZQhiSaHOMMv0VCwpGpF4aOMbjfAJ7/R8nZrfvxrs7oQBXe:4kmhAHgsgaGpEMbjC7/R8nZrfwoQk

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7810622048:AAGlXVtU9EeAX6sumC63y05EJISEAmugavs/sendMessage?chat_id=986310232

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1600-31-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1600-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1600-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1600-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1600-23-0x0000000000400000-0x0000000000426000-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
2936	powershell.exe
2736	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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 194960.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 194960.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 194960.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 2820 set thread context of 1600	2820	Purchase Order 194960.exe	37

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Order 194960.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Order 194960.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2564	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2820	Purchase Order 194960.exe
2820	Purchase Order 194960.exe
1600	Purchase Order 194960.exe
2736	powershell.exe
2936	powershell.exe
1600	Purchase Order 194960.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	Purchase Order 194960.exe
Token: SeDebugPrivilege	1600	Purchase Order 194960.exe
Token: SeDebugPrivilege	2736	powershell.exe
Token: SeDebugPrivilege	2936	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 2936	2820	Purchase Order 194960.exe	30
PID 2820 wrote to memory of 2936	2820	Purchase Order 194960.exe	30
PID 2820 wrote to memory of 2936	2820	Purchase Order 194960.exe	30
PID 2820 wrote to memory of 2936	2820	Purchase Order 194960.exe	30
PID 2820 wrote to memory of 2736	2820	Purchase Order 194960.exe	32
PID 2820 wrote to memory of 2736	2820	Purchase Order 194960.exe	32
PID 2820 wrote to memory of 2736	2820	Purchase Order 194960.exe	32
PID 2820 wrote to memory of 2736	2820	Purchase Order 194960.exe	32
PID 2820 wrote to memory of 2564	2820	Purchase Order 194960.exe	34
PID 2820 wrote to memory of 2564	2820	Purchase Order 194960.exe	34
PID 2820 wrote to memory of 2564	2820	Purchase Order 194960.exe	34
PID 2820 wrote to memory of 2564	2820	Purchase Order 194960.exe	34
PID 2820 wrote to memory of 588	2820	Purchase Order 194960.exe	36
PID 2820 wrote to memory of 588	2820	Purchase Order 194960.exe	36
PID 2820 wrote to memory of 588	2820	Purchase Order 194960.exe	36
PID 2820 wrote to memory of 588	2820	Purchase Order 194960.exe	36
PID 2820 wrote to memory of 1600	2820	Purchase Order 194960.exe	37
PID 2820 wrote to memory of 1600	2820	Purchase Order 194960.exe	37
PID 2820 wrote to memory of 1600	2820	Purchase Order 194960.exe	37
PID 2820 wrote to memory of 1600	2820	Purchase Order 194960.exe	37
PID 2820 wrote to memory of 1600	2820	Purchase Order 194960.exe	37
PID 2820 wrote to memory of 1600	2820	Purchase Order 194960.exe	37
PID 2820 wrote to memory of 1600	2820	Purchase Order 194960.exe	37
PID 2820 wrote to memory of 1600	2820	Purchase Order 194960.exe	37
PID 2820 wrote to memory of 1600	2820	Purchase Order 194960.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 194960.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 194960.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order 194960.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order 194960.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2820
- 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\Purchase Order 194960.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2936
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EPZZIYHrvHTw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EPZZIYHrvHTw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp35EF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2564
- C:\Users\Admin\AppData\Local\Temp\Purchase Order 194960.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order 194960.exe"
  2⤵
  PID:588
- C:\Users\Admin\AppData\Local\Temp\Purchase Order 194960.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order 194960.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:1600

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\tmp35EF.tmp

Filesize
1KB

MD5
018716e0c1d15165ad0f1cefcb92a991

SHA1
19a2a6b2d37606570021bfcb2d75b42b30662b0a

SHA256
72b8661b54f6135bf27f83610e854fde767b81cc44ed38ccd848d782273d59e3

SHA512
64488e7badc3a0fbe59aa3454e68623d53c9ef998a5a223cc401abe3fdbd13d59d4587506f3db83052cbb4c479c915a7284359fedceea190b434f3a53e0eb6a5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\S7S3TJ3W58MQ22HX2BJE.temp

Filesize
7KB

MD5
1626c59c8c24277bc356ff95bdee478d

SHA1
6853d06c80f27703050b3a9a730193dda37db603

SHA256
56b178053b45c2418c441061818ec2ad7836efcd07a30420a3f7124f78a04b64

SHA512
ef0de64ef1948848d5653a094c5bcef52bd6d08b4ba8e51992281af53450ec4829280cc4f5e49f480119d12b94cbba1762e7857b57da13165008706708b4b3e9

Download Submit
memory/1600-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1600-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1600-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1600-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1600-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1600-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1600-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1600-31-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2820-6-0x0000000000530000-0x000000000059A000-memory.dmp

Filesize
424KB

Download
memory/2820-1-0x00000000002C0000-0x0000000000362000-memory.dmp

Filesize
648KB

Download
memory/2820-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2820-2-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2820-3-0x00000000007C0000-0x00000000007DE000-memory.dmp

Filesize
120KB

Download
memory/2820-5-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2820-4-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2820-32-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads