snakekeylogger | 5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559

General

Target

NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe
Size

119KB
MD5

ac17552680ce92bcdeee8d85dd23a094
SHA1

3834e08df86667af59ca7ca77be8536063fb490c
SHA256

5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559
SHA512

0998215bf514c7aa6d0c664d78f19bbeb17686109bae943f0921d7323492bcfd796b131061a251303e970b2a60640d242555beeffec55bde2b542ad961b69dd6
SSDEEP

3072:pNAUxwbSVwS03k/oej4T5zYQxwNc1xNUPBC1C:pSU2bSVwrU/oeaYQxwNc1xKk1

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6581815121:AAHhziZ2mQS5qcx02h_Vx6A5dDt8ehDjIWw/sendMessage?chat_id=5262627523

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/488-11-0x0000000140000000-0x0000000140022000-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-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ssssss,exe = "C:\\Users\\Admin\\AppData\\Roaming\\ssssss,exe.exe"	NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.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

71 checkip.dyndns.org

flow	ioc
71	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe

description	pid	process	target process
PID 4640 set thread context of 488	4640	NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

488 MSBuild.exe
488 MSBuild.exe

pid	process
488	MSBuild.exe
488	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exeMSBuild.exe

description	pid	process
Token: SeDebugPrivilege	4640	NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe
Token: SeDebugPrivilege	488	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe

description	pid	process	target process
PID 4640 wrote to memory of 488	4640	NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe	MSBuild.exe
PID 4640 wrote to memory of 488	4640	NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe	MSBuild.exe
PID 4640 wrote to memory of 488	4640	NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe	MSBuild.exe
PID 4640 wrote to memory of 488	4640	NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe	MSBuild.exe
PID 4640 wrote to memory of 488	4640	NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe	MSBuild.exe
PID 4640 wrote to memory of 488	4640	NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\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-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559exe_JC.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4640

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/488-11-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/488-19-0x000001D7D9520000-0x000001D7D96E2000-memory.dmp

Filesize
1.8MB

Download
memory/488-18-0x000001D7C07A0000-0x000001D7C07F0000-memory.dmp

Filesize
320KB

Download
memory/488-17-0x000001D7D9240000-0x000001D7D9250000-memory.dmp

Filesize
64KB

Download
memory/488-16-0x00007FFAE3420000-0x00007FFAE3EE1000-memory.dmp

Filesize
10.8MB

Download
memory/488-15-0x000001D7D9240000-0x000001D7D9250000-memory.dmp

Filesize
64KB

Download
memory/488-12-0x00007FFAE3420000-0x00007FFAE3EE1000-memory.dmp

Filesize
10.8MB

Download
memory/4640-8-0x0000015D38E60000-0x0000015D38E96000-memory.dmp

Filesize
216KB

Download
memory/4640-0-0x0000015D1E5A0000-0x0000015D1E5C2000-memory.dmp

Filesize
136KB

Download
memory/4640-9-0x0000015D38EA0000-0x0000015D38EEC000-memory.dmp

Filesize
304KB

Download
memory/4640-7-0x0000015D20130000-0x0000015D20140000-memory.dmp

Filesize
64KB

Download
memory/4640-6-0x0000015D38CE0000-0x0000015D38D18000-memory.dmp

Filesize
224KB

Download
memory/4640-14-0x00007FFAE3420000-0x00007FFAE3EE1000-memory.dmp

Filesize
10.8MB

Download
memory/4640-5-0x00007FFAE3420000-0x00007FFAE3EE1000-memory.dmp

Filesize
10.8MB

Download
memory/4640-4-0x0000015D201F0000-0x0000015D20240000-memory.dmp

Filesize
320KB

Download
memory/4640-3-0x0000015D20130000-0x0000015D20140000-memory.dmp

Filesize
64KB

Download
memory/4640-2-0x00007FFAE3420000-0x00007FFAE3EE1000-memory.dmp

Filesize
10.8MB

Download
memory/4640-1-0x0000015D20150000-0x0000015D20156000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads