snakekeylogger | 399dfa3928c095ced9cc09f3e6c99e11328e20568d5087d012bf022e3cc036b8

General

Target

xUqB.exe
Size

585KB
MD5

15c839edeccf6bfc85f44304aa124eca
SHA1

4a546a8fb15365a59224536fdb24064298379ca0
SHA256

399dfa3928c095ced9cc09f3e6c99e11328e20568d5087d012bf022e3cc036b8
SHA512

93687bbae800f464515b90a9894cbf51d5f77cc830c7a5dd097d8b06a33b754eb665d84bfb84673034f4d52eeb84c3b2852ccd7e1516c6554a0c1d16fb5b103f
SSDEEP

12288:gmYkhMOoltiJrVeAnmM6JpdHqwx1nMPNVs7HfZjBWEZA:dYkh5oDiJZFmzMuYNW7Z

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7778496345:AAH97BM_heZybr1GZUGbzuqOpaxoz5dKGeQ/sendMessage?chat_id=7009377125

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2620-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2620-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2620-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2620-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2620-23-0x0000000000400000-0x0000000000426000-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
2956	powershell.exe
2800	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xUqB.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xUqB.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xUqB.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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2864 set thread context of 2620	2864	xUqB.exe	36

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	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	xUqB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xUqB.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
1780	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2620	xUqB.exe
2800	powershell.exe
2956	powershell.exe
2620	xUqB.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2620	xUqB.exe
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeDebugPrivilege	2956	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 2956	2864	xUqB.exe	30
PID 2864 wrote to memory of 2956	2864	xUqB.exe	30
PID 2864 wrote to memory of 2956	2864	xUqB.exe	30
PID 2864 wrote to memory of 2956	2864	xUqB.exe	30
PID 2864 wrote to memory of 2800	2864	xUqB.exe	32
PID 2864 wrote to memory of 2800	2864	xUqB.exe	32
PID 2864 wrote to memory of 2800	2864	xUqB.exe	32
PID 2864 wrote to memory of 2800	2864	xUqB.exe	32
PID 2864 wrote to memory of 1780	2864	xUqB.exe	34
PID 2864 wrote to memory of 1780	2864	xUqB.exe	34
PID 2864 wrote to memory of 1780	2864	xUqB.exe	34
PID 2864 wrote to memory of 1780	2864	xUqB.exe	34
PID 2864 wrote to memory of 2620	2864	xUqB.exe	36
PID 2864 wrote to memory of 2620	2864	xUqB.exe	36
PID 2864 wrote to memory of 2620	2864	xUqB.exe	36
PID 2864 wrote to memory of 2620	2864	xUqB.exe	36
PID 2864 wrote to memory of 2620	2864	xUqB.exe	36
PID 2864 wrote to memory of 2620	2864	xUqB.exe	36
PID 2864 wrote to memory of 2620	2864	xUqB.exe	36
PID 2864 wrote to memory of 2620	2864	xUqB.exe	36
PID 2864 wrote to memory of 2620	2864	xUqB.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xUqB.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xUqB.exe

C:\Users\Admin\AppData\Local\Temp\xUqB.exe
"C:\Users\Admin\AppData\Local\Temp\xUqB.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2864
- 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\xUqB.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2956
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sRQHgzxw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2800
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sRQHgzxw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8269.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1780
- C:\Users\Admin\AppData\Local\Temp\xUqB.exe
  "C:\Users\Admin\AppData\Local\Temp\xUqB.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:2620

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\tmp8269.tmp

Filesize
1KB

MD5
12de656979e21dd2e8b4f6f66598b9fd

SHA1
c9a2f53124913e4918c82bbf34efce9d6e82895b

SHA256
17c117e1c82a1c1236df5227a487207d66c223ae709679b74b67823a874818f5

SHA512
f7612fc6f135ac6d77c76af1004302a914dad1b8d3a08b7bb93952856f21c0044e8664a3e287353d39ddc059c3a97339653e897ad77bba487889730f3c767d5a

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

Filesize
7KB

MD5
10bbddfc84aed8af6cd9e16da1d7509b

SHA1
1d90f2606829bc71fc12616d178d908fd69074a4

SHA256
8b837d6547293fc943e68036c44345e856042d98ce8b0e2046e9bd9013cafca4

SHA512
a27851c03148ce5e4a93c257a92d284c60f6cc655db1eebd9d77b3ed9e0ac349e2b84bc95fd3867ee7820d0641198b9515c2a017a482ae77c91ef08865991296

Download Submit
memory/2620-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2620-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2620-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2620-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2620-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2620-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2620-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2620-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-6-0x0000000004760000-0x00000000047C8000-memory.dmp

Filesize
416KB

Download
memory/2864-1-0x00000000012C0000-0x0000000001358000-memory.dmp

Filesize
608KB

Download
memory/2864-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2864-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2864-3-0x00000000004D0000-0x00000000004EC000-memory.dmp

Filesize
112KB

Download
memory/2864-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2864-4-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2864-31-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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