snakekeylogger | 0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55a

General

Target

0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe
Size

591KB
MD5

8d6f7f5d651688062c1a67d217edfee0
SHA1

4bd2f7afb5a33ce1a8776d1052eb72e4207d6ec4
SHA256

0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55a
SHA512

fcecd5dc4d9a5f47c2e47b6ebba88e4cd2399ef7e78e944dc27ecdddee403e61ef28e9b155332b33e42dce4b13ac170a03a5b035c878d927965ec727cfd2929b
SSDEEP

12288:1SaDPw1Qk89Tmyc5sar7Q8LxLSzs1tHT0JCTnQlJrr5cPMH4au2c7MUbkR:1XLw9gTFFz8tSzSNT0Jen0i0PuZMU+

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7692220058:AAHVndQO9RuaWbiX3k3pjx15TMCoeBS0WKU/sendMessage?chat_id=7342994424

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2880-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2880-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2880-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2880-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2880-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

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

pid	Process
1912	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.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 2520 set thread context of 2880	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	35

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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.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	vbc.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
2364	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe
2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe
2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe
2880	vbc.exe
1912	powershell.exe
2880	vbc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe
Token: SeDebugPrivilege	2880	vbc.exe
Token: SeDebugPrivilege	1912	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 1912	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	31
PID 2520 wrote to memory of 1912	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	31
PID 2520 wrote to memory of 1912	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	31
PID 2520 wrote to memory of 1912	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	31
PID 2520 wrote to memory of 2364	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	32
PID 2520 wrote to memory of 2364	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	32
PID 2520 wrote to memory of 2364	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	32
PID 2520 wrote to memory of 2364	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	32
PID 2520 wrote to memory of 2880	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	35
PID 2520 wrote to memory of 2880	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	35
PID 2520 wrote to memory of 2880	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	35
PID 2520 wrote to memory of 2880	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	35
PID 2520 wrote to memory of 2880	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	35
PID 2520 wrote to memory of 2880	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	35
PID 2520 wrote to memory of 2880	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	35
PID 2520 wrote to memory of 2880	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	35
PID 2520 wrote to memory of 2880	2520	0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe
"C:\Users\Admin\AppData\Local\Temp\0d819dfde6a1573f3b2a21f057c95d74d3cdc435c9b3bcd6fd57eef018dbc55aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yatJjpzBG.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1912
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yatJjpzBG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8A1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2364
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

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

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF8A1.tmp

Filesize
1KB

MD5
af05e397f2583f4031ba741951e9fb17

SHA1
ef6f3a221c947272feb76ad59713d876344a00e8

SHA256
509a729c047f35060f13d042cf09a3f4883ff3edd3b379d61bd02ea5108c5a7b

SHA512
d928eb1faa46b5e84eca17eb024bd43c29df6df076d4393ac663caf878904a9cdc2542425d4c5f9f4c4c9cbd5e7f8f419605030ba5703e21b80fc1f64917c62c

Download Submit
memory/2520-27-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-1-0x0000000000CD0000-0x0000000000D66000-memory.dmp

Filesize
600KB

Download
memory/2520-2-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-3-0x0000000000A60000-0x0000000000A7E000-memory.dmp

Filesize
120KB

Download
memory/2520-4-0x00000000740BE000-0x00000000740BF000-memory.dmp

Filesize
4KB

Download
memory/2520-5-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-6-0x0000000000480000-0x00000000004E8000-memory.dmp

Filesize
416KB

Download
memory/2520-0-0x00000000740BE000-0x00000000740BF000-memory.dmp

Filesize
4KB

Download
memory/2880-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2880-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2880-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2880-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2880-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2880-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2880-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads