snakekeylogger | a8fa9629e664dc5169ba376825d202790690218a3e00ef7393d2e19e1a983a20

General

Target

New PO.xls_.exe
Size

823KB
MD5

25ca1917e0bceca252031cd318ca2255
SHA1

b241b8ce758acfd6ff0a3df464caf7f3105d0777
SHA256

5ee0ab3fbf21156b9e04fcc7e3a7a80934d11a34855c826985661fb276de88fb
SHA512

3e9a48a3e927969a2f7f740afee8f37bb188831477d13dd3442b307eff8e90ccf1c3a154c2e1215bd605650c27c358558fad0a2bf6d291a7f17609bd83056309

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.lallyautomobiles.net
Port:
587
Username:
servicekrl@lallyautomobiles.net
Password:
Welcome@2021

Signatures

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

Snake Keylogger Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1640-66-0x0000000000400000-0x0000000000466000-memory.dmp	family_snakekeylogger
behavioral1/memory/1640-67-0x0000000000461CAE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1640-68-0x0000000000400000-0x0000000000466000-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
T1081
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
T1081
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 checkip.dyndns.org
10 freegeoip.app
11 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

New PO.xls_.exe

description pid process target process

PID 1840 set thread context of 1640 1840 New PO.xls_.exe New PO.xls_.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

New PO.xls_.exe

pid process

1640 New PO.xls_.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

New PO.xls_.exe

description pid process

Token: SeDebugPrivilege 1640 New PO.xls_.exe

flow	ioc
5	checkip.dyndns.org
10	freegeoip.app
11	freegeoip.app

description	pid	process	target process
PID 1840 set thread context of 1640	1840	New PO.xls_.exe	New PO.xls_.exe

pid	process
1640	New PO.xls_.exe

description	pid	process
Token: SeDebugPrivilege	1640	New PO.xls_.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

New PO.xls_.exe

description	pid	process	target process
PID 1840 wrote to memory of 1640	1840	New PO.xls_.exe	New PO.xls_.exe
PID 1840 wrote to memory of 1640	1840	New PO.xls_.exe	New PO.xls_.exe
PID 1840 wrote to memory of 1640	1840	New PO.xls_.exe	New PO.xls_.exe
PID 1840 wrote to memory of 1640	1840	New PO.xls_.exe	New PO.xls_.exe
PID 1840 wrote to memory of 1640	1840	New PO.xls_.exe	New PO.xls_.exe
PID 1840 wrote to memory of 1640	1840	New PO.xls_.exe	New PO.xls_.exe
PID 1840 wrote to memory of 1640	1840	New PO.xls_.exe	New PO.xls_.exe
PID 1840 wrote to memory of 1640	1840	New PO.xls_.exe	New PO.xls_.exe
PID 1840 wrote to memory of 1640	1840	New PO.xls_.exe	New PO.xls_.exe

C:\Users\Admin\AppData\Local\Temp\New PO.xls_.exe
"C:\Users\Admin\AppData\Local\Temp\New PO.xls_.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1840

C:\Users\Admin\AppData\Local\Temp\New PO.xls_.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1640

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1640-66-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1640-67-0x0000000000461CAE-mapping.dmp

Download
memory/1640-68-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1640-70-0x0000000004540000-0x0000000004541000-memory.dmp

Filesize
4KB

Download
memory/1840-60-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/1840-62-0x0000000001DE0000-0x0000000001DE1000-memory.dmp

Filesize
4KB

Download
memory/1840-63-0x0000000000850000-0x000000000085E000-memory.dmp

Filesize
56KB

Download
memory/1840-64-0x0000000007DC0000-0x0000000007E5A000-memory.dmp

Filesize
616KB

Download
memory/1840-65-0x000000000A590000-0x000000000A61B000-memory.dmp

Filesize
556KB

Download

Analysis

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