snakekeylogger | 7351d0a0d19a6efb2230bfa6f588b85c0d54a221adde9d74009114fae4e6f1a8

Analysis

max time kernel
120s
max time network
133s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
02-07-2024 09:40

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General

Target

CHARLES.exe
Size

1.7MB
MD5

bb1b2455f59fa0a25524b7ec9baff097
SHA1

9fadc578c339425ee59b46b9aae2c1c1472f076c
SHA256

a649c2453c27bdf09b5b92207e2bc8041bcfec24819ed7879959361096d7200f
SHA512

f17aa003e42920e7e5897280369d78e9a91a7cf51ff92eadf00565bd52931d20131d909835d585bbd7812e40f7389b5df4a8029c124c8d5d5f3b318fa207cffe
SSDEEP

49152:NTvC/MTQYxsWR7adX0KD/HqQhPFuWrf1:hjTQYxsWR63iQtFuWrf1

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.maskottchenpet.com
Port:
26
Username:
[email protected]
Password:
refaMASK2019*
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2740-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2740-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2740-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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

flow	ioc
4	checkip.dyndns.org

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral1/memory/2416-11-0x0000000000400000-0x000000000050B000-memory.dmp	autoit_exe
behavioral1/memory/2416-13-0x0000000000400000-0x000000000050B000-memory.dmp	autoit_exe
behavioral1/memory/2416-14-0x0000000000400000-0x000000000050B000-memory.dmp	autoit_exe
behavioral1/memory/2416-31-0x0000000000400000-0x000000000050B000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

CHARLES.exeRegSvcs.exe

description pid process target process

PID 2748 set thread context of 2416 2748 CHARLES.exe RegSvcs.exe
PID 2416 set thread context of 2740 2416 RegSvcs.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2740 RegSvcs.exe
2740 RegSvcs.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

CHARLES.exeRegSvcs.exe

pid process

2748 CHARLES.exe
2416 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2740 RegSvcs.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

CHARLES.exeRegSvcs.exe

pid process

2748 CHARLES.exe
2748 CHARLES.exe
2416 RegSvcs.exe
2416 RegSvcs.exe
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

CHARLES.exeRegSvcs.exe

pid process

2748 CHARLES.exe
2748 CHARLES.exe
2416 RegSvcs.exe
2416 RegSvcs.exe

description	pid	process	target process
PID 2748 set thread context of 2416	2748	CHARLES.exe	RegSvcs.exe
PID 2416 set thread context of 2740	2416	RegSvcs.exe	RegSvcs.exe

pid	process
2740	RegSvcs.exe
2740	RegSvcs.exe

pid	process
2748	CHARLES.exe
2416	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2740	RegSvcs.exe

pid	process
2748	CHARLES.exe
2748	CHARLES.exe
2416	RegSvcs.exe
2416	RegSvcs.exe

pid	process
2748	CHARLES.exe
2748	CHARLES.exe
2416	RegSvcs.exe
2416	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

CHARLES.exeRegSvcs.exe

description	pid	process	target process
PID 2748 wrote to memory of 2416	2748	CHARLES.exe	RegSvcs.exe
PID 2748 wrote to memory of 2416	2748	CHARLES.exe	RegSvcs.exe
PID 2748 wrote to memory of 2416	2748	CHARLES.exe	RegSvcs.exe
PID 2748 wrote to memory of 2416	2748	CHARLES.exe	RegSvcs.exe
PID 2748 wrote to memory of 2416	2748	CHARLES.exe	RegSvcs.exe
PID 2748 wrote to memory of 2416	2748	CHARLES.exe	RegSvcs.exe
PID 2748 wrote to memory of 2416	2748	CHARLES.exe	RegSvcs.exe
PID 2748 wrote to memory of 2416	2748	CHARLES.exe	RegSvcs.exe
PID 2416 wrote to memory of 2740	2416	RegSvcs.exe	RegSvcs.exe
PID 2416 wrote to memory of 2740	2416	RegSvcs.exe	RegSvcs.exe
PID 2416 wrote to memory of 2740	2416	RegSvcs.exe	RegSvcs.exe
PID 2416 wrote to memory of 2740	2416	RegSvcs.exe	RegSvcs.exe
PID 2416 wrote to memory of 2740	2416	RegSvcs.exe	RegSvcs.exe
PID 2416 wrote to memory of 2740	2416	RegSvcs.exe	RegSvcs.exe
PID 2416 wrote to memory of 2740	2416	RegSvcs.exe	RegSvcs.exe
PID 2416 wrote to memory of 2740	2416	RegSvcs.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\CHARLES.exe
"C:\Users\Admin\AppData\Local\Temp\CHARLES.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2748

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\CHARLES.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2416

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\CHARLES.exe"
3⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2740

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2416-31-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download
memory/2416-11-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download
memory/2416-13-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download
memory/2416-14-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download
memory/2416-25-0x0000000000110000-0x0000000000114000-memory.dmp

Filesize
16KB

Download
memory/2740-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-32-0x0000000073C5E000-0x0000000073C5F000-memory.dmp

Filesize
4KB

Download
memory/2740-33-0x0000000073C50000-0x000000007433E000-memory.dmp

Filesize
6.9MB

Download
memory/2740-34-0x0000000073C5E000-0x0000000073C5F000-memory.dmp

Filesize
4KB

Download
memory/2740-35-0x0000000073C50000-0x000000007433E000-memory.dmp

Filesize
6.9MB

Download
memory/2748-10-0x0000000000220000-0x0000000000224000-memory.dmp

Filesize
16KB

Download