snakekeylogger | 092e78899a2d91e9aa768c1078e12016076a1384f9499f8dff5ec7471580794b

General

Target

RFQ-1199211.exe
Size

768KB
MD5

21724c44495555e825f87cfc2b119bcf
SHA1

ea70f6fbebbb74a5c5b5b204136877b441f72da0
SHA256

8f86f0d30b96a4ffaf93e9726caefeaece8d3298534422fb5c5337ad8620ee59
SHA512

009c7fce795a64657244a7b581d58ed161360f29e4c8bdd5a5d6d395604d611f15504cefdb0944372aa0bb9f3a0d134bd4d869877c1e0c5d70efd2074a7a5d9a
SSDEEP

12288:fkXrDAYOu6LykBv6iWCj6SUptA8ghXDyQZE6+n889c4NcaiTWOo:fkfAQdkBj6S+GXmJGUcailo

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6037842610:AAGtFhP2ARfeZprQQ-fc4jocpQJfZYmE3Vo/sendMessage?chat_id=5086753017

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral4/memory/1580-8-0x0000000140000000-0x0000000140020000-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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RFQ-1199211.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-1199211.exe
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-1199211.exe
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-1199211.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RFQ-1199211.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Sthcunpxxo = "C:\\Users\\Admin\\AppData\\Roaming\\Sthcunpxxo.exe"	RFQ-1199211.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

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

Processes:

RFQ-1199211.exe

description pid process target process

PID 4608 set thread context of 1580 4608 RFQ-1199211.exe RFQ-1199211.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RFQ-1199211.exe

pid process

1580 RFQ-1199211.exe
1580 RFQ-1199211.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ-1199211.exeRFQ-1199211.exe

description pid process

Token: SeDebugPrivilege 4608 RFQ-1199211.exe
Token: SeDebugPrivilege 1580 RFQ-1199211.exe

flow	ioc
37	checkip.dyndns.org

description	pid	process	target process
PID 4608 set thread context of 1580	4608	RFQ-1199211.exe	RFQ-1199211.exe

pid	process
1580	RFQ-1199211.exe
1580	RFQ-1199211.exe

description	pid	process
Token: SeDebugPrivilege	4608	RFQ-1199211.exe
Token: SeDebugPrivilege	1580	RFQ-1199211.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

RFQ-1199211.exe

description	pid	process	target process
PID 4608 wrote to memory of 1580	4608	RFQ-1199211.exe	RFQ-1199211.exe
PID 4608 wrote to memory of 1580	4608	RFQ-1199211.exe	RFQ-1199211.exe
PID 4608 wrote to memory of 1580	4608	RFQ-1199211.exe	RFQ-1199211.exe
PID 4608 wrote to memory of 1580	4608	RFQ-1199211.exe	RFQ-1199211.exe
PID 4608 wrote to memory of 1580	4608	RFQ-1199211.exe	RFQ-1199211.exe
PID 4608 wrote to memory of 1580	4608	RFQ-1199211.exe	RFQ-1199211.exe

outlook_office_path 1 IoCs

Processes:

RFQ-1199211.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-1199211.exe

outlook_win_path 1 IoCs

Processes:

RFQ-1199211.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-1199211.exe

C:\Users\Admin\AppData\Local\Temp\RFQ-1199211.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-1199211.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4608

C:\Users\Admin\AppData\Local\Temp\RFQ-1199211.exe
C:\Users\Admin\AppData\Local\Temp\RFQ-1199211.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1580

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

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

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\UsageLogs\RFQ-1199211.exe.log

Filesize
1KB

MD5
159a40ccfd419bd60a20a1c278edaafd

SHA1
09bc35e46135b6b44c609fe6514ab7e2c8696a99

SHA256
24487f4b6318683dcd81970e9f57fb45167575f687f7831a563176e20da657b6

SHA512
b5c5b8c23479afff6b72c37c2cc1204c079ae003bae586d082d2b05acfdab8753fea78c5e53f692e4a45aba6746703d9ca99a2d0fa7bd88a7f35a910d1ad1ff3

Download Submit
memory/1580-14-0x0000021B03A70000-0x0000021B03AC0000-memory.dmp

Filesize
320KB

Download
memory/1580-11-0x00007FFA74890000-0x00007FFA75351000-memory.dmp

Filesize
10.8MB

Download
memory/1580-17-0x0000021B1C550000-0x0000021B1C560000-memory.dmp

Filesize
64KB

Download
memory/1580-16-0x00007FFA74890000-0x00007FFA75351000-memory.dmp

Filesize
10.8MB

Download
memory/1580-15-0x0000021B1C830000-0x0000021B1C9F2000-memory.dmp

Filesize
1.8MB

Download
memory/1580-12-0x0000021B1C550000-0x0000021B1C560000-memory.dmp

Filesize
64KB

Download
memory/1580-8-0x0000000140000000-0x0000000140020000-memory.dmp

Filesize
128KB

Download
memory/4608-5-0x000001D745AA0000-0x000001D745AD6000-memory.dmp

Filesize
216KB

Download
memory/4608-2-0x00007FFA74890000-0x00007FFA75351000-memory.dmp

Filesize
10.8MB

Download
memory/4608-6-0x000001D745B50000-0x000001D745B9C000-memory.dmp

Filesize
304KB

Download
memory/4608-13-0x00007FFA74890000-0x00007FFA75351000-memory.dmp

Filesize
10.8MB

Download
memory/4608-0-0x000001D72B2E0000-0x000001D72B3A4000-memory.dmp

Filesize
784KB

Download
memory/4608-1-0x000001D72B760000-0x000001D72B768000-memory.dmp

Filesize
32KB

Download
memory/4608-4-0x000001D72D0E0000-0x000001D72D128000-memory.dmp

Filesize
288KB

Download
memory/4608-3-0x000001D745950000-0x000001D745960000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads