snakekeylogger | 0a51240aa36d9f794caf585f26d0a000def84f032411ada5d60a5be462bb056b

General

Target

INVOICE.exe
Size

516KB
MD5

6841ae570e82eae9b58f54233dcd0d1b
SHA1

28ab4cd807dab29ff1e73c51d6773850e92ae4d5
SHA256

0a51240aa36d9f794caf585f26d0a000def84f032411ada5d60a5be462bb056b
SHA512

1cf3f2e9e772ca0d22c278490f60f651da79c1100694f34846c7ea4a764818596c4441e137e41ba602434aab6a3f826b92df7ac7e6d5d3a0afa505ea4c275343
SSDEEP

12288:jx3g0pUof7IMwM8Qzw5lE06g3xSABfUnc3Z7iCPQSa+FIrfZM8+AjA0ThmNI4:06g3xSuUolOb+FkZJ

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
terrin22
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4328-138-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

INVOICE.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE.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

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

Processes:

INVOICE.exe

description pid process target process

PID 3868 set thread context of 4328 3868 INVOICE.exe INVOICE.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

INVOICE.exe

pid process

4328 INVOICE.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

INVOICE.exe

description pid process

Token: SeDebugPrivilege 4328 INVOICE.exe

flow	ioc
28	checkip.dyndns.org

description	pid	process	target process
PID 3868 set thread context of 4328	3868	INVOICE.exe	INVOICE.exe

pid	process
4328	INVOICE.exe

description	pid	process
Token: SeDebugPrivilege	4328	INVOICE.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

INVOICE.exe

description	pid	process	target process
PID 3868 wrote to memory of 4328	3868	INVOICE.exe	INVOICE.exe
PID 3868 wrote to memory of 4328	3868	INVOICE.exe	INVOICE.exe
PID 3868 wrote to memory of 4328	3868	INVOICE.exe	INVOICE.exe
PID 3868 wrote to memory of 4328	3868	INVOICE.exe	INVOICE.exe
PID 3868 wrote to memory of 4328	3868	INVOICE.exe	INVOICE.exe
PID 3868 wrote to memory of 4328	3868	INVOICE.exe	INVOICE.exe
PID 3868 wrote to memory of 4328	3868	INVOICE.exe	INVOICE.exe
PID 3868 wrote to memory of 4328	3868	INVOICE.exe	INVOICE.exe

outlook_office_path 1 IoCs

Processes:

INVOICE.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE.exe

outlook_win_path 1 IoCs

Processes:

INVOICE.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3868

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

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_32\UsageLogs\INVOICE.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
memory/3868-132-0x0000000000370000-0x00000000003F8000-memory.dmp

Filesize
544KB

Download
memory/3868-133-0x0000000005410000-0x00000000059B4000-memory.dmp

Filesize
5.6MB

Download
memory/3868-134-0x0000000004D80000-0x0000000004E12000-memory.dmp

Filesize
584KB

Download
memory/3868-135-0x0000000004F00000-0x0000000004F9C000-memory.dmp

Filesize
624KB

Download
memory/3868-136-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

Filesize
40KB

Download
memory/4328-137-0x0000000000000000-mapping.dmp

Download
memory/4328-138-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4328-140-0x0000000006830000-0x00000000069F2000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads