snakekeylogger | 855f8c478918d0202a467a90a5ead1be7a4e87e08485106a6a545938979204ac

General

Target

Invoice YA 2023.exe
Size

577KB
MD5

2fdd47b3a729217cdd1848ce1d832bd2
SHA1

80b1f475e7c906927b87b76bea1d72a0ae0ce2c7
SHA256

855f8c478918d0202a467a90a5ead1be7a4e87e08485106a6a545938979204ac
SHA512

1036403542f266d9acc5203889fa55cd95d7a11559ce65baf44bdfc2f447a0575a87399067eafa89c15fe8d93fef52b1e1fb046ec388bfdf66076b6e465587e0
SSDEEP

12288:ANCCCCCCC8CpCPCCsCCOcopox4IpEMEKrMZtn0Mz2YhsDZIwNP:ECCCCCCC8CpCPCCsCCNeiCjP2+sDvNP

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.belt-tech.com.my
Port:
587
Username:
[email protected]
Password:
Beltechpg@1234
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/524-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/524-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/524-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/524-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/524-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/524-19-0x0000000004A50000-0x0000000004A90000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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:

Invoice YA 2023.exe

description pid process target process

PID 2248 set thread context of 524 2248 Invoice YA 2023.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

524 MSBuild.exe
524 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 524 MSBuild.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 2248 set thread context of 524	2248	Invoice YA 2023.exe	MSBuild.exe

pid	process
524	MSBuild.exe
524	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	524	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Invoice YA 2023.exe

description	pid	process	target process
PID 2248 wrote to memory of 524	2248	Invoice YA 2023.exe	MSBuild.exe
PID 2248 wrote to memory of 524	2248	Invoice YA 2023.exe	MSBuild.exe
PID 2248 wrote to memory of 524	2248	Invoice YA 2023.exe	MSBuild.exe
PID 2248 wrote to memory of 524	2248	Invoice YA 2023.exe	MSBuild.exe
PID 2248 wrote to memory of 524	2248	Invoice YA 2023.exe	MSBuild.exe
PID 2248 wrote to memory of 524	2248	Invoice YA 2023.exe	MSBuild.exe
PID 2248 wrote to memory of 524	2248	Invoice YA 2023.exe	MSBuild.exe
PID 2248 wrote to memory of 524	2248	Invoice YA 2023.exe	MSBuild.exe
PID 2248 wrote to memory of 524	2248	Invoice YA 2023.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Invoice YA 2023.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice YA 2023.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2248

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/524-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/524-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/524-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/524-20-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/524-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/524-18-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/524-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/524-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/524-21-0x0000000004A50000-0x0000000004A90000-memory.dmp

Filesize
256KB

Download
memory/524-19-0x0000000004A50000-0x0000000004A90000-memory.dmp

Filesize
256KB

Download
memory/524-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/524-11-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2248-5-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/2248-14-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2248-6-0x00000000020F0000-0x0000000002150000-memory.dmp

Filesize
384KB

Download
memory/2248-1-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2248-0-0x00000000002B0000-0x0000000000346000-memory.dmp

Filesize
600KB

Download
memory/2248-4-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2248-3-0x0000000000390000-0x00000000003A8000-memory.dmp

Filesize
96KB

Download
memory/2248-2-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads