snakekeylogger | 80a98cf22ecb8a4904bd619d065c52ec7f4e44c14419a66dfe705c13395520eb

General

Target

z547GEViTFyfCZdLZP.exe
Size

637KB
MD5

610851b503c9ae0d455c201d3974e7ef
SHA1

1984d665b20e4262b0c992560085874a2037d61e
SHA256

80a98cf22ecb8a4904bd619d065c52ec7f4e44c14419a66dfe705c13395520eb
SHA512

30babded0a57b9357a897f35c9043077dcc65bcee5d0ba9d8b49a07c43d7a76aeca3ada7d34497cb8822fa90a3c9b19a469cf1117c2cfdbfe3d5d2e1d3a42e76
SSDEEP

12288:dHuE6WGxLuyN+O5H/xJ/U+SgTgGq7XKoc6SagIa5+EuWLes:ATpHU+SsQOoc6+Ia8Ds

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7733074716:AAHPqUDZNcrQPzH_G03x5ppIOnkxZuz-Nyk/sendMessage?chat_id=7337843299

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3388-11-0x0000000000400000-0x0000000000426000-memory.dmp	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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z547GEViTFyfCZdLZP.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z547GEViTFyfCZdLZP.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z547GEViTFyfCZdLZP.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
29	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 3388	2764	z547GEViTFyfCZdLZP.exe	102

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	z547GEViTFyfCZdLZP.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	z547GEViTFyfCZdLZP.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2764	z547GEViTFyfCZdLZP.exe
2764	z547GEViTFyfCZdLZP.exe
2764	z547GEViTFyfCZdLZP.exe
2764	z547GEViTFyfCZdLZP.exe
2764	z547GEViTFyfCZdLZP.exe
2764	z547GEViTFyfCZdLZP.exe
2764	z547GEViTFyfCZdLZP.exe
2764	z547GEViTFyfCZdLZP.exe
3388	z547GEViTFyfCZdLZP.exe
3388	z547GEViTFyfCZdLZP.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	z547GEViTFyfCZdLZP.exe
Token: SeDebugPrivilege	3388	z547GEViTFyfCZdLZP.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 1692	2764	z547GEViTFyfCZdLZP.exe	101
PID 2764 wrote to memory of 1692	2764	z547GEViTFyfCZdLZP.exe	101
PID 2764 wrote to memory of 1692	2764	z547GEViTFyfCZdLZP.exe	101
PID 2764 wrote to memory of 3388	2764	z547GEViTFyfCZdLZP.exe	102
PID 2764 wrote to memory of 3388	2764	z547GEViTFyfCZdLZP.exe	102
PID 2764 wrote to memory of 3388	2764	z547GEViTFyfCZdLZP.exe	102
PID 2764 wrote to memory of 3388	2764	z547GEViTFyfCZdLZP.exe	102
PID 2764 wrote to memory of 3388	2764	z547GEViTFyfCZdLZP.exe	102
PID 2764 wrote to memory of 3388	2764	z547GEViTFyfCZdLZP.exe	102
PID 2764 wrote to memory of 3388	2764	z547GEViTFyfCZdLZP.exe	102
PID 2764 wrote to memory of 3388	2764	z547GEViTFyfCZdLZP.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z547GEViTFyfCZdLZP.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	z547GEViTFyfCZdLZP.exe

C:\Users\Admin\AppData\Local\Temp\z547GEViTFyfCZdLZP.exe
"C:\Users\Admin\AppData\Local\Temp\z547GEViTFyfCZdLZP.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Users\Admin\AppData\Local\Temp\z547GEViTFyfCZdLZP.exe
  "C:\Users\Admin\AppData\Local\Temp\z547GEViTFyfCZdLZP.exe"
  2⤵
  PID:1692
- C:\Users\Admin\AppData\Local\Temp\z547GEViTFyfCZdLZP.exe
  "C:\Users\Admin\AppData\Local\Temp\z547GEViTFyfCZdLZP.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3388

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\z547GEViTFyfCZdLZP.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2764-4-0x00000000057F0000-0x00000000057FA000-memory.dmp

Filesize
40KB

Download
memory/2764-3-0x0000000005620000-0x00000000056B2000-memory.dmp

Filesize
584KB

Download
memory/2764-10-0x000000000AF00000-0x000000000AF9C000-memory.dmp

Filesize
624KB

Download
memory/2764-9-0x00000000086F0000-0x0000000008758000-memory.dmp

Filesize
416KB

Download
memory/2764-5-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/2764-6-0x0000000005C70000-0x0000000005C8C000-memory.dmp

Filesize
112KB

Download
memory/2764-7-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/2764-8-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/2764-15-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/2764-2-0x0000000005C90000-0x0000000006234000-memory.dmp

Filesize
5.6MB

Download
memory/2764-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/2764-1-0x0000000000BE0000-0x0000000000C86000-memory.dmp

Filesize
664KB

Download
memory/3388-14-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3388-19-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3388-16-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3388-17-0x0000000006940000-0x0000000006990000-memory.dmp

Filesize
320KB

Download
memory/3388-18-0x0000000006B60000-0x0000000006D22000-memory.dmp

Filesize
1.8MB

Download
memory/3388-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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