snakekeylogger | 13b59a78f01151c93b98f3ed5202db80e753467cd0ca2390773293970d3a57f2

General

Target

Purchase Order.5643Q.pdf.exe
Size

504KB
MD5

28ef4b212df1cbd9d8d00764b30205fa
SHA1

83286376ed5f56dd900cb9010a47234ca00ef52b
SHA256

13b59a78f01151c93b98f3ed5202db80e753467cd0ca2390773293970d3a57f2
SHA512

51c31e233c92fe6deef249393ab9e51f6452b45fb7674886dbf9f4c06c37152a87aa51d1a55940189628bc9cfbb53d8319f45e4eeb4ea99f54aafd4d8519f2fc
SSDEEP

12288:FHaggxUDXXVQVWcD7v5JT7C+16zgeP9NVQ3cW7DaJay:taggxUDXXVQx7htB1OP9NVQ17DaUy

Score

10^/10

snakekeylogger collection credential_access discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6861634100:AAFDzKSOKvDFzUzm8fcQ-PEBL_vTn46CHRo/sendMessage?chat_id=6945274021

Signatures

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

Snake Keylogger payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2360-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2360-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2360-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2360-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2360-17-0x0000000000400000-0x0000000000426000-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 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

888 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

pid	process
888	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Purchase Order.5643Q.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.5643Q.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.5643Q.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.5643Q.pdf.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.

Processes:

flow ioc

2 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order.5643Q.pdf.exe

description pid process target process

PID 2028 set thread context of 2360 2028 Purchase Order.5643Q.pdf.exe Purchase Order.5643Q.pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 2028 set thread context of 2360	2028	Purchase Order.5643Q.pdf.exe	Purchase Order.5643Q.pdf.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

schtasks.exePurchase Order.5643Q.pdf.exePurchase Order.5643Q.pdf.exepowershell.exe

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.5643Q.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Order.5643Q.pdf.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

Processes:

schtasks.exe

pid process

2736 schtasks.exe

pid	process
2736	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Purchase Order.5643Q.pdf.exePurchase Order.5643Q.pdf.exepowershell.exe

pid	process
2028	Purchase Order.5643Q.pdf.exe
2028	Purchase Order.5643Q.pdf.exe
2360	Purchase Order.5643Q.pdf.exe
888	powershell.exe
2360	Purchase Order.5643Q.pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Purchase Order.5643Q.pdf.exePurchase Order.5643Q.pdf.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2028	Purchase Order.5643Q.pdf.exe
Token: SeDebugPrivilege	2360	Purchase Order.5643Q.pdf.exe
Token: SeDebugPrivilege	888	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Purchase Order.5643Q.pdf.exe

description	pid	process	target process
PID 2028 wrote to memory of 888	2028	Purchase Order.5643Q.pdf.exe	powershell.exe
PID 2028 wrote to memory of 888	2028	Purchase Order.5643Q.pdf.exe	powershell.exe
PID 2028 wrote to memory of 888	2028	Purchase Order.5643Q.pdf.exe	powershell.exe
PID 2028 wrote to memory of 888	2028	Purchase Order.5643Q.pdf.exe	powershell.exe
PID 2028 wrote to memory of 2736	2028	Purchase Order.5643Q.pdf.exe	schtasks.exe
PID 2028 wrote to memory of 2736	2028	Purchase Order.5643Q.pdf.exe	schtasks.exe
PID 2028 wrote to memory of 2736	2028	Purchase Order.5643Q.pdf.exe	schtasks.exe
PID 2028 wrote to memory of 2736	2028	Purchase Order.5643Q.pdf.exe	schtasks.exe
PID 2028 wrote to memory of 2360	2028	Purchase Order.5643Q.pdf.exe	Purchase Order.5643Q.pdf.exe
PID 2028 wrote to memory of 2360	2028	Purchase Order.5643Q.pdf.exe	Purchase Order.5643Q.pdf.exe
PID 2028 wrote to memory of 2360	2028	Purchase Order.5643Q.pdf.exe	Purchase Order.5643Q.pdf.exe
PID 2028 wrote to memory of 2360	2028	Purchase Order.5643Q.pdf.exe	Purchase Order.5643Q.pdf.exe
PID 2028 wrote to memory of 2360	2028	Purchase Order.5643Q.pdf.exe	Purchase Order.5643Q.pdf.exe
PID 2028 wrote to memory of 2360	2028	Purchase Order.5643Q.pdf.exe	Purchase Order.5643Q.pdf.exe
PID 2028 wrote to memory of 2360	2028	Purchase Order.5643Q.pdf.exe	Purchase Order.5643Q.pdf.exe
PID 2028 wrote to memory of 2360	2028	Purchase Order.5643Q.pdf.exe	Purchase Order.5643Q.pdf.exe
PID 2028 wrote to memory of 2360	2028	Purchase Order.5643Q.pdf.exe	Purchase Order.5643Q.pdf.exe

outlook_office_path 1 IoCs

Processes:

Purchase Order.5643Q.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.5643Q.pdf.exe

outlook_win_path 1 IoCs

Processes:

Purchase Order.5643Q.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order.5643Q.pdf.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order.5643Q.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.5643Q.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HAFdEYQP.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:888

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HAFdEYQP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp53AC.tmp"
2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2736

C:\Users\Admin\AppData\Local\Temp\Purchase Order.5643Q.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.5643Q.pdf.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:2360

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\tmp53AC.tmp

Filesize
1KB

MD5
d45b8bace02183b53e67dfaf91022342

SHA1
4df1d795d59a06f763863b41e0dd67f0ec283c9f

SHA256
f1f52b3f796be5edf61d7c4c48181d60cb733be2762e064b77580cb688c8dd16

SHA512
2fb25096fd313cce1db95147fb09158604c2fe3f7726a28174f104eb63de461d69b66497d93637f0bb63ae3350af2a33d507807889bbfa895cf9376ff8512df5

Download Submit
memory/2028-0-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/2028-1-0x00000000009B0000-0x0000000000A34000-memory.dmp

Filesize
528KB

Download
memory/2028-2-0x0000000074860000-0x0000000074F4E000-memory.dmp

Filesize
6.9MB

Download
memory/2028-3-0x00000000003A0000-0x00000000003AE000-memory.dmp

Filesize
56KB

Download
memory/2028-4-0x00000000003F0000-0x00000000003FE000-memory.dmp

Filesize
56KB

Download
memory/2028-5-0x0000000004210000-0x0000000004278000-memory.dmp

Filesize
416KB

Download
memory/2028-25-0x0000000074860000-0x0000000074F4E000-memory.dmp

Filesize
6.9MB

Download
memory/2360-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2360-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2360-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2360-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2360-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2360-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2360-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2360-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads