snakekeylogger | 532bde917c53e5dfee901ddb5c0bff26e94cdbf74c15a894ba21a2ce94783454

General

Target

Shipping Document.exe
Size

613KB
MD5

60158da472c90a2c923bf79be848b8d3
SHA1

8b8de08cfab42c95c60613a91ce71e90b8c51913
SHA256

faa8850d8a28a308c917200981a80bcc481cb089f804f6867a4608a28bf0b2b5
SHA512

dd6a9d12c75eaea593f63e2bccd6ca8add0061d31d22abee4fd5f01ff35af2e94b01f3eb6846023955b812c425fa7ef78e46deca37ed8d1e494589dfe3e5557d
SSDEEP

12288:yxgmiFTt9XakdciLNU/Z0Xa6QqIWMNHKpOtZyLWLP7VSR:G4HtaMLahKa6CXHKcGEP

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7891452286:AAE2oLBQvjY6qRrkalPPxinaMdSDDJEY_C8/sendMessage?chat_id=7225431807

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2836-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2836-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2836-31-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2836-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2836-23-0x0000000000400000-0x0000000000426000-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
1744	powershell.exe
2748	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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipping Document.exe
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipping Document.exe
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipping Document.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 1952 set thread context of 2836	1952	Shipping Document.exe	38

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	Shipping Document.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	Shipping Document.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1952	Shipping Document.exe
2960	Shipping Document.exe
2836	Shipping Document.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
1672	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1952	Shipping Document.exe
1952	Shipping Document.exe
1952	Shipping Document.exe
1952	Shipping Document.exe
2836	Shipping Document.exe
1744	powershell.exe
2748	powershell.exe
2836	Shipping Document.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	Shipping Document.exe
Token: SeDebugPrivilege	2836	Shipping Document.exe
Token: SeDebugPrivilege	1744	powershell.exe
Token: SeDebugPrivilege	2748	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 1744	1952	Shipping Document.exe	31
PID 1952 wrote to memory of 1744	1952	Shipping Document.exe	31
PID 1952 wrote to memory of 1744	1952	Shipping Document.exe	31
PID 1952 wrote to memory of 1744	1952	Shipping Document.exe	31
PID 1952 wrote to memory of 2748	1952	Shipping Document.exe	33
PID 1952 wrote to memory of 2748	1952	Shipping Document.exe	33
PID 1952 wrote to memory of 2748	1952	Shipping Document.exe	33
PID 1952 wrote to memory of 2748	1952	Shipping Document.exe	33
PID 1952 wrote to memory of 1672	1952	Shipping Document.exe	35
PID 1952 wrote to memory of 1672	1952	Shipping Document.exe	35
PID 1952 wrote to memory of 1672	1952	Shipping Document.exe	35
PID 1952 wrote to memory of 1672	1952	Shipping Document.exe	35
PID 1952 wrote to memory of 2960	1952	Shipping Document.exe	37
PID 1952 wrote to memory of 2960	1952	Shipping Document.exe	37
PID 1952 wrote to memory of 2960	1952	Shipping Document.exe	37
PID 1952 wrote to memory of 2960	1952	Shipping Document.exe	37
PID 1952 wrote to memory of 2836	1952	Shipping Document.exe	38
PID 1952 wrote to memory of 2836	1952	Shipping Document.exe	38
PID 1952 wrote to memory of 2836	1952	Shipping Document.exe	38
PID 1952 wrote to memory of 2836	1952	Shipping Document.exe	38
PID 1952 wrote to memory of 2836	1952	Shipping Document.exe	38
PID 1952 wrote to memory of 2836	1952	Shipping Document.exe	38
PID 1952 wrote to memory of 2836	1952	Shipping Document.exe	38
PID 1952 wrote to memory of 2836	1952	Shipping Document.exe	38
PID 1952 wrote to memory of 2836	1952	Shipping Document.exe	38

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipping Document.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Shipping Document.exe

C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe
"C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1952
- 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\Shipping Document.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1744
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GbJwpIWFl.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2748
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GbJwpIWFl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp54E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1672
- C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe"
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  PID:2960
- C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipping Document.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2836

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

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\tmp54E.tmp

Filesize
1KB

MD5
7c5823fa70787947ffbb3f108bfacc7a

SHA1
cdcd355dc02d5b3bee89592ed7b48cd8bcbc5dd6

SHA256
ac8893cedf5857bfc70dd682442bfeeaa3a84cd20b8319d7005e626d175fbc45

SHA512
84edb0d9ef011e39e8ebb40f3415d009958083710669349f481567606075861f50b45c5fccd99fe5dabc6165ec9ed954c6b9e4c06c6e88a0337587e010fc6c09

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

Filesize
7KB

MD5
c4467636054e7c83fd693b94070b0437

SHA1
5691af72542f6cff4e1889239b2453374ab65131

SHA256
e3a156b136792e877414d3ef0967504e5f417fb8d71268272466d125030333ec

SHA512
fc44383a87be0f36e15687c5f60d2a1c8075dccb028b010dab0b3b86a117376d66eb8d7a3c830aac1285c1dd10ded3099c9aedb17c17e7ea241b81aaae130ad0

Download Submit
memory/1952-4-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/1952-32-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/1952-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/1952-5-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/1952-6-0x0000000000370000-0x00000000003DC000-memory.dmp

Filesize
432KB

Download
memory/1952-2-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/1952-1-0x0000000000920000-0x00000000009BE000-memory.dmp

Filesize
632KB

Download
memory/1952-3-0x0000000000470000-0x000000000048E000-memory.dmp

Filesize
120KB

Download
memory/2836-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2836-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2836-31-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2836-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2836-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2836-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2836-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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