snakekeylogger | 3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3

General

Target

3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe
Size

667KB
MD5

050e6b2d0613fae1b6d8df6e75fcea50
SHA1

0b22613068fd49e91e2bc7506421032f02d43ff6
SHA256

3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3
SHA512

e08c4dddb59b64be79fdc3a5fdd99b15cacbfce3a0a7ce6746d02cec6b5d7de5d8e6072d3e900a9a97a27698761b6f0589ecc11d21659f67aa8c0af7f62fa1fa
SSDEEP

12288:r1ZF8KWULcTsua8wH1rOUbbNRma9060onGs3LBmFXh3TxkR:ryfULGs1dbn9VnGGLBmhG

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6515689087:AAEnerpIS1xuf83Wz7mf2-PPkvlmor9Mt7U/sendMessage?chat_id=1015404316

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2952-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2952-31-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2952-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2952-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2952-23-0x0000000000400000-0x0000000000426000-memory.dmp	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
2088	powershell.exe
1052	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.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 2400 set thread context of 2952	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.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	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.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
2724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe
2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe
2952	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe
1052	powershell.exe
2088	powershell.exe
2952	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe
Token: SeDebugPrivilege	2952	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe
Token: SeDebugPrivilege	1052	powershell.exe
Token: SeDebugPrivilege	2088	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2088	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	31
PID 2400 wrote to memory of 2088	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	31
PID 2400 wrote to memory of 2088	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	31
PID 2400 wrote to memory of 2088	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	31
PID 2400 wrote to memory of 1052	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	33
PID 2400 wrote to memory of 1052	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	33
PID 2400 wrote to memory of 1052	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	33
PID 2400 wrote to memory of 1052	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	33
PID 2400 wrote to memory of 2724	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	34
PID 2400 wrote to memory of 2724	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	34
PID 2400 wrote to memory of 2724	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	34
PID 2400 wrote to memory of 2724	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	34
PID 2400 wrote to memory of 2952	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	37
PID 2400 wrote to memory of 2952	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	37
PID 2400 wrote to memory of 2952	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	37
PID 2400 wrote to memory of 2952	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	37
PID 2400 wrote to memory of 2952	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	37
PID 2400 wrote to memory of 2952	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	37
PID 2400 wrote to memory of 2952	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	37
PID 2400 wrote to memory of 2952	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	37
PID 2400 wrote to memory of 2952	2400	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe

C:\Users\Admin\AppData\Local\Temp\3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe
"C:\Users\Admin\AppData\Local\Temp\3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400
- 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\3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2088
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DOptASr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1052
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DOptASr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE61B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2724
- C:\Users\Admin\AppData\Local\Temp\3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.exe
  "C:\Users\Admin\AppData\Local\Temp\3ef3d036ce3461514a05633df722905d738b93311b67ed3ed7b7707e654e7af3N.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:2952

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\tmpE61B.tmp

Filesize
1KB

MD5
65e1c9cafe05180fc4355c909dddce5b

SHA1
f0343d32f852c3e2d1705fcedfd3569b98847a1e

SHA256
575749cb8ab4c88a7870d1695057b1d69043dbea5a92c594a310fc873751ab0c

SHA512
2150cb8855ae82961d54cb06c97f72824fbf32cc26b1352f8cb834042af3e7c0aa30de37cc479e939f2d9cd06e74a91384f722332b806dc1bde764933f8e71fd

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\8637U3S9H74GI1S8I3WU.temp

Filesize
7KB

MD5
83cb9e0677cba6779ee91191f622bb8a

SHA1
1362939d390d5043280c32276cf6e394e833ea6b

SHA256
9bf8258697e0787138695acff33d18a152b289db2cf17e3a0af554da3c485ce6

SHA512
67fc015866a46bcbad81c4ad5f371a92b75a9a7406dbc9ab29d3c76c44c4e72d1a85be24c09a0e082314d2fb73918d2eba8bf2a9ab536d9e89eeabc1b48046c6

Download Submit
memory/2400-4-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

Filesize
4KB

Download
memory/2400-32-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

Filesize
4KB

Download
memory/2400-5-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-6-0x0000000000370000-0x00000000003D8000-memory.dmp

Filesize
416KB

Download
memory/2400-2-0x0000000074CE0000-0x00000000753CE000-memory.dmp

Filesize
6.9MB

Download
memory/2400-1-0x00000000012F0000-0x000000000139A000-memory.dmp

Filesize
680KB

Download
memory/2400-3-0x0000000000560000-0x000000000057E000-memory.dmp

Filesize
120KB

Download
memory/2952-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2952-31-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2952-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2952-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2952-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2952-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2952-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2952-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads