snakekeylogger | 477ea88234cf1fd26570b7bdaf1d8b695d16a8b984ea0e4ef8f09c655a0f35db

General

Target

INV0021800.exe
Size

280KB
MD5

4da27060065354c79ade40db0732ca01
SHA1

7f1e1d37eab023190a2529048caf55c0447e56a3
SHA256

477ea88234cf1fd26570b7bdaf1d8b695d16a8b984ea0e4ef8f09c655a0f35db
SHA512

478a8267fbef8751a4ccfea53f58e26de6824a2df82cde62b1c5625ad1a46e7d8a58cb9daf89631f144901b1adc8264bf2efdcaf2e87c31e522d6b7c71d5fec1
SSDEEP

6144:kY9lSSxmJp3s8aRA1iHF/Tb1rcOyEr6zzWVhJms7BU+J3LbFe:kqSSShs/AATJcLEr6zzWVhZdrJ3LY

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5798068653:AAGKgOdYJyk9qm4DWZF93yUQ5gS6RyZYijc/sendMessage?chat_id=1277896104

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/1168-137-0x0000000000400000-0x0000000000426000-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:

INV0021800.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV0021800.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV0021800.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV0021800.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

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

Processes:

INV0021800.exe

description pid process target process

PID 4504 set thread context of 1168 4504 INV0021800.exe INV0021800.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

INV0021800.exe

pid process

1168 INV0021800.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

INV0021800.exe

description pid process

Token: SeDebugPrivilege 1168 INV0021800.exe

flow	ioc
3	checkip.dyndns.org

description	pid	process	target process
PID 4504 set thread context of 1168	4504	INV0021800.exe	INV0021800.exe

pid	process
1168	INV0021800.exe

description	pid	process
Token: SeDebugPrivilege	1168	INV0021800.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

INV0021800.exe

description	pid	process	target process
PID 4504 wrote to memory of 1168	4504	INV0021800.exe	INV0021800.exe
PID 4504 wrote to memory of 1168	4504	INV0021800.exe	INV0021800.exe
PID 4504 wrote to memory of 1168	4504	INV0021800.exe	INV0021800.exe
PID 4504 wrote to memory of 1168	4504	INV0021800.exe	INV0021800.exe
PID 4504 wrote to memory of 1168	4504	INV0021800.exe	INV0021800.exe
PID 4504 wrote to memory of 1168	4504	INV0021800.exe	INV0021800.exe
PID 4504 wrote to memory of 1168	4504	INV0021800.exe	INV0021800.exe
PID 4504 wrote to memory of 1168	4504	INV0021800.exe	INV0021800.exe

outlook_office_path 1 IoCs

Processes:

INV0021800.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV0021800.exe

outlook_win_path 1 IoCs

Processes:

INV0021800.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV0021800.exe

C:\Users\Admin\AppData\Local\Temp\INV0021800.exe
"C:\Users\Admin\AppData\Local\Temp\INV0021800.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4504

C:\Users\Admin\AppData\Local\Temp\INV0021800.exe
"C:\Users\Admin\AppData\Local\Temp\INV0021800.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1168

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\INV0021800.exe.log
Filesize
706B

MD5
9b4d7ccdebef642a9ad493e2c2925952

SHA1
c020c622c215e880c8415fa867cb50210b443ef0

SHA256
e6f068d76bd941b4118225b130db2c70128e77a45dcdbf5cbab0f8a563b867ff

SHA512
8577ecd7597d4b540bc1c6ccc4150eae7443da2e4be1343cc42242714d04dd16e48c3fcaefd95c4a148fe9f14c5b6f3166b752ae20d608676cf6fb48919968e8

Download Submit
memory/1168-136-0x0000000000000000-mapping.dmp

Download
memory/1168-137-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1168-139-0x00000000063F0000-0x00000000065B2000-memory.dmp

Filesize
1.8MB

Download
memory/1168-140-0x0000000006370000-0x000000000637A000-memory.dmp

Filesize
40KB

Download
memory/4504-132-0x0000000000620000-0x000000000066C000-memory.dmp

Filesize
304KB

Download
memory/4504-133-0x0000000005710000-0x0000000005CB4000-memory.dmp

Filesize
5.6MB

Download
memory/4504-134-0x0000000005030000-0x00000000050C2000-memory.dmp

Filesize
584KB

Download
memory/4504-135-0x0000000005200000-0x000000000529C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads