snakekeylogger | f0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912

General

Target

NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe
Size

344KB
MD5

3e133f661b74e398c2906931e0e4156c
SHA1

6d98c3664f8a0e4bda116511579896ebc42f3aff
SHA256

f0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912
SHA512

a65358735c27f12844e82af76ec4eb0d11372c9f5a2007321bd53c30f554461075b5cdfc376bfb1dac7c91ab20e5d6f011448a9c4b5b79bfa0f4b280d377e1f2
SSDEEP

6144:Bv8hza/coPxII4AdFvkk1VTQ0upQnxk+uuL:NkG/coZIUyW

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6380706838:AAHeNJQXD2oljrKM46U8G-Zyq3GHA5SyN3c/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/5044-9-0x0000000140000000-0x0000000140022000-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-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sssssss = "C:\\Users\\Admin\\AppData\\Roaming\\sssssss.exe"	NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_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

35 checkip.dyndns.org

flow	ioc
35	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe

description	pid	process	target process
PID 2040 set thread context of 5044	2040	NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

5044 MSBuild.exe
5044 MSBuild.exe

pid	process
5044	MSBuild.exe
5044	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exeMSBuild.exe

description	pid	process
Token: SeDebugPrivilege	2040	NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe
Token: SeDebugPrivilege	5044	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe

description	pid	process	target process
PID 2040 wrote to memory of 5044	2040	NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe	MSBuild.exe
PID 2040 wrote to memory of 5044	2040	NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe	MSBuild.exe
PID 2040 wrote to memory of 5044	2040	NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe	MSBuild.exe
PID 2040 wrote to memory of 5044	2040	NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe	MSBuild.exe
PID 2040 wrote to memory of 5044	2040	NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe	MSBuild.exe
PID 2040 wrote to memory of 5044	2040	NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\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-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.NEASf0caaaebe92baa4bc450b54344dfbd8c9f6c4ee2057a6d289b2c347b8b7ae912exeexe_JC.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040

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:5044

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

Replay Monitor

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Downloads

memory/2040-11-0x00007FFE46830000-0x00007FFE472F1000-memory.dmp

Filesize
10.8MB

Download
memory/2040-1-0x00007FFE46830000-0x00007FFE472F1000-memory.dmp

Filesize
10.8MB

Download
memory/2040-2-0x0000018937590000-0x00000189375A0000-memory.dmp

Filesize
64KB

Download
memory/2040-3-0x00000189374B0000-0x00000189374F8000-memory.dmp

Filesize
288KB

Download
memory/2040-4-0x0000018937500000-0x0000018937536000-memory.dmp

Filesize
216KB

Download
memory/2040-5-0x0000018937540000-0x000001893758C000-memory.dmp

Filesize
304KB

Download
memory/2040-6-0x00007FFE46830000-0x00007FFE472F1000-memory.dmp

Filesize
10.8MB

Download
memory/2040-7-0x0000018937590000-0x00000189375A0000-memory.dmp

Filesize
64KB

Download
memory/2040-0-0x00000189355F0000-0x000001893564A000-memory.dmp

Filesize
360KB

Download
memory/5044-9-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/5044-12-0x00007FFE46830000-0x00007FFE472F1000-memory.dmp

Filesize
10.8MB

Download
memory/5044-13-0x000001A6EB0E0000-0x000001A6EB0F0000-memory.dmp

Filesize
64KB

Download
memory/5044-14-0x00007FFE46830000-0x00007FFE472F1000-memory.dmp

Filesize
10.8MB

Download
memory/5044-15-0x000001A6EB0E0000-0x000001A6EB0F0000-memory.dmp

Filesize
64KB

Download
memory/5044-16-0x000001A6D2780000-0x000001A6D27D0000-memory.dmp

Filesize
320KB

Download
memory/5044-17-0x000001A6EB500000-0x000001A6EB6C2000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads