snakekeylogger | c99b050645ebbc138018a9dcb4c3029bc1a9aa9376e7541c1011e815942948e1

Resubmissions

01-02-2023 17:02

230201-vj6p3aah39 10

01-02-2023 17:00

230201-vjf5eacg4s 10

01-02-2023 16:57

230201-vgbrxacg2y 10

Analysis

max time kernel
66s
max time network
128s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01-02-2023 17:00

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General

Target

9dc5600bedda76a29aa0e33da951fc30.exe
Size

504KB
MD5

9dc5600bedda76a29aa0e33da951fc30
SHA1

9daa8192ef8b03ee276de60e656a56b88ec2d074
SHA256

e966cd1651a960bc88f3582b328d274b2cbf2b84d59df761cbcd1702c38d5a14
SHA512

96e37c9a6342d09799138a97e1928d595aabf36ee5a250d7bba5c3397117a6bb0d19063cf305e1af6799aad6fbeb9257d429454340953203118fa288a0f74804
SSDEEP

12288:8RFO4oYvuoQouswXH06WAx5HSbr8z9i7+pvdCWtO:8TO4UdrE6J4r8zw6Rsh

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
francode@newwinbelt-cn.com
Password:
ROe!AB$3

Signatures

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

Snake Keylogger payload 6 IoCs

Processes:

resource	yara_rule
behavioral5/memory/768-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral5/memory/768-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral5/memory/768-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral5/memory/768-71-0x00000000004206DE-mapping.dmp	family_snakekeylogger
behavioral5/memory/768-73-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral5/memory/768-75-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9dc5600bedda76a29aa0e33da951fc30.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9dc5600bedda76a29aa0e33da951fc30.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9dc5600bedda76a29aa0e33da951fc30.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.

Processes:

flow ioc

4 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe

description pid process target process

PID 840 set thread context of 768 840 9dc5600bedda76a29aa0e33da951fc30.exe 9dc5600bedda76a29aa0e33da951fc30.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

848 schtasks.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 840 set thread context of 768	840	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe

pid	process
848	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe9dc5600bedda76a29aa0e33da951fc30.exepowershell.exe

pid	process
840	9dc5600bedda76a29aa0e33da951fc30.exe
840	9dc5600bedda76a29aa0e33da951fc30.exe
840	9dc5600bedda76a29aa0e33da951fc30.exe
768	9dc5600bedda76a29aa0e33da951fc30.exe
1352	powershell.exe
768	9dc5600bedda76a29aa0e33da951fc30.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe9dc5600bedda76a29aa0e33da951fc30.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	840	9dc5600bedda76a29aa0e33da951fc30.exe
Token: SeDebugPrivilege	768	9dc5600bedda76a29aa0e33da951fc30.exe
Token: SeDebugPrivilege	1352	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe

description	pid	process	target process
PID 840 wrote to memory of 1352	840	9dc5600bedda76a29aa0e33da951fc30.exe	powershell.exe
PID 840 wrote to memory of 1352	840	9dc5600bedda76a29aa0e33da951fc30.exe	powershell.exe
PID 840 wrote to memory of 1352	840	9dc5600bedda76a29aa0e33da951fc30.exe	powershell.exe
PID 840 wrote to memory of 1352	840	9dc5600bedda76a29aa0e33da951fc30.exe	powershell.exe
PID 840 wrote to memory of 848	840	9dc5600bedda76a29aa0e33da951fc30.exe	schtasks.exe
PID 840 wrote to memory of 848	840	9dc5600bedda76a29aa0e33da951fc30.exe	schtasks.exe
PID 840 wrote to memory of 848	840	9dc5600bedda76a29aa0e33da951fc30.exe	schtasks.exe
PID 840 wrote to memory of 848	840	9dc5600bedda76a29aa0e33da951fc30.exe	schtasks.exe
PID 840 wrote to memory of 768	840	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 840 wrote to memory of 768	840	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 840 wrote to memory of 768	840	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 840 wrote to memory of 768	840	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 840 wrote to memory of 768	840	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 840 wrote to memory of 768	840	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 840 wrote to memory of 768	840	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 840 wrote to memory of 768	840	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe
PID 840 wrote to memory of 768	840	9dc5600bedda76a29aa0e33da951fc30.exe	9dc5600bedda76a29aa0e33da951fc30.exe

outlook_office_path 1 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9dc5600bedda76a29aa0e33da951fc30.exe

outlook_win_path 1 IoCs

Processes:

9dc5600bedda76a29aa0e33da951fc30.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9dc5600bedda76a29aa0e33da951fc30.exe

C:\Users\Admin\AppData\Local\Temp\9dc5600bedda76a29aa0e33da951fc30.exe
"C:\Users\Admin\AppData\Local\Temp\9dc5600bedda76a29aa0e33da951fc30.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:840

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UDBgQhSevZPJlf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1352

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UDBgQhSevZPJlf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCC45.tmp"
2⤵
- Creates scheduled task(s)
PID:848

C:\Users\Admin\AppData\Local\Temp\9dc5600bedda76a29aa0e33da951fc30.exe
"C:\Users\Admin\AppData\Local\Temp\9dc5600bedda76a29aa0e33da951fc30.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpCC45.tmp
Filesize
1KB

MD5
ca26fbfaa4670dbcb76d308ea63040c4

SHA1
1c13b9ffb9826fca0949d0ce188bf1a43362736b

SHA256
730f2f7a254135917a921b666daaa49ec6741eb2faa4ecd6ef9f1240ffb093d7

SHA512
90ff3ef160f09b5f1ac840e6f2b0158e6d7b75185823df2c75fef9ebcff55cd520dfe4a2e063f3e550cdc7b548fcd0b843630e97e5be388ff943bb3df77d5c61

Download Submit
memory/768-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/768-75-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/768-73-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/768-71-0x00000000004206DE-mapping.dmp

Download
memory/768-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/768-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/768-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/768-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/840-58-0x00000000050C0000-0x0000000005120000-memory.dmp

Filesize
384KB

Download
memory/840-63-0x0000000005120000-0x0000000005148000-memory.dmp

Filesize
160KB

Download
memory/840-54-0x0000000000E60000-0x0000000000EE2000-memory.dmp

Filesize
520KB

Download
memory/840-57-0x00000000004A0000-0x00000000004AA000-memory.dmp

Filesize
40KB

Download
memory/840-56-0x0000000000380000-0x0000000000394000-memory.dmp

Filesize
80KB

Download
memory/840-55-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

Filesize
8KB

Download
memory/848-60-0x0000000000000000-mapping.dmp

Download
memory/1352-59-0x0000000000000000-mapping.dmp

Download
memory/1352-77-0x000000006F150000-0x000000006F6FB000-memory.dmp

Filesize
5.7MB

Download
memory/1352-78-0x000000006F150000-0x000000006F6FB000-memory.dmp

Filesize
5.7MB

Download