snakekeylogger | 6caab57198e2e3cc5833f0b578e193c99230595f66ab98eb00f0fdae7d8c2c8a

General

Target

Nhuhqpc.exe
Size

171KB
MD5

306561287324dcb749b051225c7ca686
SHA1

715ac0c7eb48a0ff536be8c8e9cf16e3bb62e3cd
SHA256

6caab57198e2e3cc5833f0b578e193c99230595f66ab98eb00f0fdae7d8c2c8a
SHA512

578128194a04788bae0321645f8100a0216e801c1d60251b830add12f63f6feb4f0d562deea5cd64bbe453b744fa49590b514856613b2c3eaae167ea88575f43
SSDEEP

1536:A1vldVVr/ETon7CdEZIPas6A5Adgl6nPUStsJhB9rMVcoXfRlXn:cYon7O/XigW6/wcoZl3

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6429805701:AAEngMg5r6ewcqgGwVjFKJpjYF7Sc8nwhxA/sendMessage?chat_id=5262627523

Signatures

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

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3472-9-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger
behavioral2/memory/3472-13-0x0000026B75BA0000-0x0000026B75BB0000-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-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\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:

Nhuhqpc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ssss = "C:\\Users\\Admin\\AppData\\Roaming\\ssss.exe"	Nhuhqpc.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

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

Processes:

Nhuhqpc.exe

description pid process target process

PID 1048 set thread context of 3472 1048 Nhuhqpc.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

3472 MSBuild.exe
3472 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Nhuhqpc.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 1048 Nhuhqpc.exe
Token: SeDebugPrivilege 3472 MSBuild.exe

flow	ioc
65	checkip.dyndns.org

description	pid	process	target process
PID 1048 set thread context of 3472	1048	Nhuhqpc.exe	MSBuild.exe

pid	process
3472	MSBuild.exe
3472	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1048	Nhuhqpc.exe
Token: SeDebugPrivilege	3472	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Nhuhqpc.exe

description	pid	process	target process
PID 1048 wrote to memory of 3472	1048	Nhuhqpc.exe	MSBuild.exe
PID 1048 wrote to memory of 3472	1048	Nhuhqpc.exe	MSBuild.exe
PID 1048 wrote to memory of 3472	1048	Nhuhqpc.exe	MSBuild.exe
PID 1048 wrote to memory of 3472	1048	Nhuhqpc.exe	MSBuild.exe
PID 1048 wrote to memory of 3472	1048	Nhuhqpc.exe	MSBuild.exe
PID 1048 wrote to memory of 3472	1048	Nhuhqpc.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\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-1-5-21-1926387074-3400613176-3566796709-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Nhuhqpc.exe
"C:\Users\Admin\AppData\Local\Temp\Nhuhqpc.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048

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:3472

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/1048-11-0x00007FFEAF540000-0x00007FFEB0001000-memory.dmp

Filesize
10.8MB

Download
memory/1048-1-0x00007FFEAF540000-0x00007FFEB0001000-memory.dmp

Filesize
10.8MB

Download
memory/1048-2-0x000001ACC9E70000-0x000001ACC9E80000-memory.dmp

Filesize
64KB

Download
memory/1048-3-0x000001ACB14F0000-0x000001ACB1538000-memory.dmp

Filesize
288KB

Download
memory/1048-4-0x000001ACCA000000-0x000001ACCA036000-memory.dmp

Filesize
216KB

Download
memory/1048-5-0x000001ACCA0B0000-0x000001ACCA0FC000-memory.dmp

Filesize
304KB

Download
memory/1048-6-0x00007FFEAF540000-0x00007FFEB0001000-memory.dmp

Filesize
10.8MB

Download
memory/1048-7-0x000001ACC9E70000-0x000001ACC9E80000-memory.dmp

Filesize
64KB

Download
memory/1048-0-0x000001ACAF8C0000-0x000001ACAF8F0000-memory.dmp

Filesize
192KB

Download
memory/3472-9-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/3472-12-0x00007FFEAF540000-0x00007FFEB0001000-memory.dmp

Filesize
10.8MB

Download
memory/3472-13-0x0000026B75BA0000-0x0000026B75BB0000-memory.dmp

Filesize
64KB

Download
memory/3472-14-0x00007FFEAF540000-0x00007FFEB0001000-memory.dmp

Filesize
10.8MB

Download
memory/3472-15-0x0000026B75BA0000-0x0000026B75BB0000-memory.dmp

Filesize
64KB

Download
memory/3472-16-0x0000026B77E90000-0x0000026B77EE0000-memory.dmp

Filesize
320KB

Download
memory/3472-17-0x0000026B780B0000-0x0000026B78272000-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