snakekeylogger | 5fab2b5a50f8f9432a51f9e9538b1151d6cff93a2744144a8e2263f7f462e231

General

Target

pago 4094.exe
Size

528KB
MD5

1a0f4cc0513f1b56fef01c815410c6ea
SHA1

a663c9ecf8f488d6e07b892165ae0a3712b0e91f
SHA256

d483d48c15f797c92c89d2eafcc9fc7cbe0c02cabe1d9130bb9069e8c897c94c
SHA512

4251fd4738f6b47a327b1f1d7609aa5af623669734a1fc9ebf5786337d0fbc5142c8176e51f9f2f5869e47bdbbb2f46090f66fb3cea30189d57917b58049f84b
SSDEEP

12288:PXPZDbCo/k+n70P4uR87fD0iBTJj1ijFDTw:hOz+IPz6/PF1ihDTw

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
UWzDeXWsD8

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3360-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pago 4094.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pago 4094.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pago 4094.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.

flow	ioc
34	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4320 set thread context of 3360	4320	pago 4094.exe	99

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pago 4094.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pago 4094.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4320	pago 4094.exe
4320	pago 4094.exe
3360	pago 4094.exe
3360	pago 4094.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3360	pago 4094.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4320	pago 4094.exe
Token: SeDebugPrivilege	3360	pago 4094.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4320 wrote to memory of 3360	4320	pago 4094.exe	99
PID 4320 wrote to memory of 3360	4320	pago 4094.exe	99
PID 4320 wrote to memory of 3360	4320	pago 4094.exe	99
PID 4320 wrote to memory of 3360	4320	pago 4094.exe	99
PID 4320 wrote to memory of 3360	4320	pago 4094.exe	99
PID 4320 wrote to memory of 3360	4320	pago 4094.exe	99
PID 4320 wrote to memory of 3360	4320	pago 4094.exe	99
PID 4320 wrote to memory of 3360	4320	pago 4094.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pago 4094.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	pago 4094.exe

C:\Users\Admin\AppData\Local\Temp\pago 4094.exe
"C:\Users\Admin\AppData\Local\Temp\pago 4094.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4320
- C:\Users\Admin\AppData\Local\Temp\pago 4094.exe
  "C:\Users\Admin\AppData\Local\Temp\pago 4094.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\pago 4094.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3360-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3360-20-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/3360-19-0x0000000006C70000-0x0000000006E32000-memory.dmp

Filesize
1.8MB

Download
memory/3360-18-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/3360-16-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/4320-5-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/4320-6-0x0000000005040000-0x0000000005052000-memory.dmp

Filesize
72KB

Download
memory/4320-8-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/4320-9-0x0000000005470000-0x0000000005478000-memory.dmp

Filesize
32KB

Download
memory/4320-10-0x0000000006330000-0x000000000633A000-memory.dmp

Filesize
40KB

Download
memory/4320-11-0x0000000006580000-0x00000000065E0000-memory.dmp

Filesize
384KB

Download
memory/4320-12-0x0000000008BB0000-0x0000000008C4C000-memory.dmp

Filesize
624KB

Download
memory/4320-7-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

Filesize
4KB

Download
memory/4320-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

Filesize
4KB

Download
memory/4320-4-0x0000000004EA0000-0x0000000004EAA000-memory.dmp

Filesize
40KB

Download
memory/4320-17-0x0000000074F10000-0x00000000756C0000-memory.dmp

Filesize
7.7MB

Download
memory/4320-3-0x0000000004E00000-0x0000000004E92000-memory.dmp

Filesize
584KB

Download
memory/4320-2-0x0000000005480000-0x0000000005A24000-memory.dmp

Filesize
5.6MB

Download
memory/4320-1-0x0000000000370000-0x00000000003FA000-memory.dmp

Filesize
552KB

Download

Analysis

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