snakekeylogger | d5d8c33957e90d1caca4b5207d8da5ab1bc4caa9f702abc0ec006d0518ea9aec

General

Target

rrequestforquotation.exe
Size

595KB
MD5

4a15ed0feb9e90b56e82c2e45a3b3f5e
SHA1

659661291eb5fd6452d6cabdc24cd9fbc1fb17f7
SHA256

d5d8c33957e90d1caca4b5207d8da5ab1bc4caa9f702abc0ec006d0518ea9aec
SHA512

f5c0e6fd93018b454db12ef76b10a6feeca5d532a7599a6460d00c1870518752fb4ec0bc1052de34e6d4e18e040658d59037a757232f49731264b81c5fe32fed
SSDEEP

12288:VWjK4A9bRiI5VIfzhXLhZnFLsrPmaj015WWn9QNViWeCT+GCqR:AjKRByzhFErOaj0x9uiWeCtCq

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: ftp
Host:
ftp://cpanel2-nl.thcservers.com/
Port:
21
Username:
Yx74dJ0TP3M=
Password:
Uvob2G1Tc73ZCus02X

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2716-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2716-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2716-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2716-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2716-23-0x0000000000400000-0x0000000000426000-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
2912	powershell.exe
2768	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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rrequestforquotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rrequestforquotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rrequestforquotation.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 2604 set thread context of 2716	2604	rrequestforquotation.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 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rrequestforquotation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rrequestforquotation.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
2940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2716	rrequestforquotation.exe
2912	powershell.exe
2768	powershell.exe
2716	rrequestforquotation.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	rrequestforquotation.exe
Token: SeDebugPrivilege	2768	powershell.exe
Token: SeDebugPrivilege	2912	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2912	2604	rrequestforquotation.exe	29
PID 2604 wrote to memory of 2912	2604	rrequestforquotation.exe	29
PID 2604 wrote to memory of 2912	2604	rrequestforquotation.exe	29
PID 2604 wrote to memory of 2912	2604	rrequestforquotation.exe	29
PID 2604 wrote to memory of 2768	2604	rrequestforquotation.exe	31
PID 2604 wrote to memory of 2768	2604	rrequestforquotation.exe	31
PID 2604 wrote to memory of 2768	2604	rrequestforquotation.exe	31
PID 2604 wrote to memory of 2768	2604	rrequestforquotation.exe	31
PID 2604 wrote to memory of 2940	2604	rrequestforquotation.exe	32
PID 2604 wrote to memory of 2940	2604	rrequestforquotation.exe	32
PID 2604 wrote to memory of 2940	2604	rrequestforquotation.exe	32
PID 2604 wrote to memory of 2940	2604	rrequestforquotation.exe	32
PID 2604 wrote to memory of 2716	2604	rrequestforquotation.exe	35
PID 2604 wrote to memory of 2716	2604	rrequestforquotation.exe	35
PID 2604 wrote to memory of 2716	2604	rrequestforquotation.exe	35
PID 2604 wrote to memory of 2716	2604	rrequestforquotation.exe	35
PID 2604 wrote to memory of 2716	2604	rrequestforquotation.exe	35
PID 2604 wrote to memory of 2716	2604	rrequestforquotation.exe	35
PID 2604 wrote to memory of 2716	2604	rrequestforquotation.exe	35
PID 2604 wrote to memory of 2716	2604	rrequestforquotation.exe	35
PID 2604 wrote to memory of 2716	2604	rrequestforquotation.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rrequestforquotation.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rrequestforquotation.exe

C:\Users\Admin\AppData\Local\Temp\rrequestforquotation.exe
"C:\Users\Admin\AppData\Local\Temp\rrequestforquotation.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604
- 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\rrequestforquotation.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2912
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oGnCNPiCwiAocn.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2768
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oGnCNPiCwiAocn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4C9A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2940
- C:\Users\Admin\AppData\Local\Temp\rrequestforquotation.exe
  "C:\Users\Admin\AppData\Local\Temp\rrequestforquotation.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:2716

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\tmp4C9A.tmp

Filesize
1KB

MD5
52829393c08df3cbdde4295dcc07247c

SHA1
cb86ec83879f49a4e185a5f4280d9d44aec32961

SHA256
d3b87da1a314a753f0395f23db1aa016c2d64788f91d476e9fd2c0000d239b84

SHA512
3ee677f18ee663c9c984ff5e7d249ccfa893d78f5156a1652aa9de37dc595400faafe4d5c0ccd83f787373232b3b6d4d06c4b4996a8830fdde2d41898a6704ee

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

Filesize
7KB

MD5
a1e6e4b86f27370474c169eae73a4a77

SHA1
39bd4638ee69a5931392da85868747ffdff3b82f

SHA256
261b40dacb82bcc55eb85340e6428ec79790e4d0c9c0dbd78916b487f26e8afd

SHA512
5077324cc08e3d9bbf5c3bc802215bb0f07003d3962adeefa6ee33388d2f2a1312f144bce0659c0cc41cf7f5bd123ff19ecc1b08d54a9b5e578cb1f062974ea3

Download Submit
memory/2604-4-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2604-31-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2604-5-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-6-0x0000000005340000-0x00000000053AC000-memory.dmp

Filesize
432KB

Download
memory/2604-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2604-1-0x0000000000D40000-0x0000000000DDC000-memory.dmp

Filesize
624KB

Download
memory/2604-3-0x0000000000550000-0x0000000000562000-memory.dmp

Filesize
72KB

Download
memory/2716-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads