snakekeylogger | 62e28e9fdfdefd8ba9053db4a21628873dbf8abaa58b35afe7ac5d43f552d22e

Analysis

max time kernel
135s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02-06-2023 13:33

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General

Target

file.exe
Size

137KB
MD5

1ba7ea81ce6384aa8ce61f8295c5822a
SHA1

82284495fdbd08fa814429cfede4ad5d7a413588
SHA256

62e28e9fdfdefd8ba9053db4a21628873dbf8abaa58b35afe7ac5d43f552d22e
SHA512

01465724031139a42929f758fe84d305aca6d556b05d5d40e2271de96f26306968bc8b99a9cc39c4291f564a192a9618bb29348f82e570711c2cae630ff16f06
SSDEEP

3072:4hWH1chErLxYflYXp1Xz//OM94bon1UbzfEM+Xo78nT:e+chwVYUnT/TgonKbj+Xc

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot6184780923:AAHbCGrBU_2zg9A-73yTyKKCMGf1tkzUFbM/sendMessage?chat_id=759814203

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4160-134-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

aspnet_compiler.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.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

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

Processes:

file.exe

description pid process target process

PID 1160 set thread context of 4160 1160 file.exe aspnet_compiler.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

aspnet_compiler.exe

pid process

4160 aspnet_compiler.exe
4160 aspnet_compiler.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

aspnet_compiler.exe

description pid process

Token: SeDebugPrivilege 4160 aspnet_compiler.exe

flow	ioc
6	checkip.dyndns.org

description	pid	process	target process
PID 1160 set thread context of 4160	1160	file.exe	aspnet_compiler.exe

pid	process
4160	aspnet_compiler.exe
4160	aspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	4160	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

file.exe

description	pid	process	target process
PID 1160 wrote to memory of 4160	1160	file.exe	aspnet_compiler.exe
PID 1160 wrote to memory of 4160	1160	file.exe	aspnet_compiler.exe
PID 1160 wrote to memory of 4160	1160	file.exe	aspnet_compiler.exe
PID 1160 wrote to memory of 4160	1160	file.exe	aspnet_compiler.exe
PID 1160 wrote to memory of 4160	1160	file.exe	aspnet_compiler.exe
PID 1160 wrote to memory of 4160	1160	file.exe	aspnet_compiler.exe
PID 1160 wrote to memory of 4160	1160	file.exe	aspnet_compiler.exe
PID 1160 wrote to memory of 4160	1160	file.exe	aspnet_compiler.exe

outlook_office_path 1 IoCs

Processes:

aspnet_compiler.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

outlook_win_path 1 IoCs

Processes:

aspnet_compiler.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1160

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4160

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1160-133-0x0000029B7D6F0000-0x0000029B7D716000-memory.dmp

Filesize
152KB

Download
memory/4160-134-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4160-136-0x0000000005A70000-0x0000000006014000-memory.dmp

Filesize
5.6MB

Download
memory/4160-137-0x0000000005560000-0x00000000055FC000-memory.dmp

Filesize
624KB

Download
memory/4160-138-0x0000000005500000-0x0000000005510000-memory.dmp

Filesize
64KB

Download
memory/4160-139-0x0000000006750000-0x0000000006912000-memory.dmp

Filesize
1.8MB

Download
memory/4160-140-0x0000000006920000-0x00000000069B2000-memory.dmp

Filesize
584KB

Download
memory/4160-141-0x00000000066D0000-0x00000000066DA000-memory.dmp

Filesize
40KB

Download
memory/4160-142-0x0000000005500000-0x0000000005510000-memory.dmp

Filesize
64KB

Download