snakekeylogger | 2f4ff9f1d7bfe43e4f4c8925a4e93d6702b09bf1946897f5d00e0f77fdd1ce99

General

Target

Masters Denomination.exe
Size

467KB
MD5

6709335556ae2a6fb194b90898255bb6
SHA1

b2cd06ea2351229724561ed13006bb73ab53846f
SHA256

2f4ff9f1d7bfe43e4f4c8925a4e93d6702b09bf1946897f5d00e0f77fdd1ce99
SHA512

c3790280c6372cf22be330a46d7d17622d54c9fe2011ce0f2d12e78e892122235da68d9da9153605b873569d32b2d4b31144680ab761c5e74349c99f1d383562

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.gaoyang-county-ycm.com
Port:
26
Username:
info@gaoyang-county-ycm.com
Password:
nb34m5bf
Email To:
info@gaoyang-county-ycm.com

Signatures

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

Snake Keylogger Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1108-62-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1108-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1108-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1108-66-0x00000000004201DE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1108-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1108-70-0x0000000000400000-0x0000000000426000-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:

Masters Denomination.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Masters Denomination.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Masters Denomination.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Masters Denomination.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

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

Processes:

Masters Denomination.exe

description pid process target process

PID 1604 set thread context of 1108 1604 Masters Denomination.exe Masters Denomination.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Masters Denomination.exe

pid process

1108 Masters Denomination.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Masters Denomination.exe

description pid process

Token: SeDebugPrivilege 1108 Masters Denomination.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1604 set thread context of 1108	1604	Masters Denomination.exe	Masters Denomination.exe

pid	process
1108	Masters Denomination.exe

description	pid	process
Token: SeDebugPrivilege	1108	Masters Denomination.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Masters Denomination.exe

description	pid	process	target process
PID 1604 wrote to memory of 1108	1604	Masters Denomination.exe	Masters Denomination.exe
PID 1604 wrote to memory of 1108	1604	Masters Denomination.exe	Masters Denomination.exe
PID 1604 wrote to memory of 1108	1604	Masters Denomination.exe	Masters Denomination.exe
PID 1604 wrote to memory of 1108	1604	Masters Denomination.exe	Masters Denomination.exe
PID 1604 wrote to memory of 1108	1604	Masters Denomination.exe	Masters Denomination.exe
PID 1604 wrote to memory of 1108	1604	Masters Denomination.exe	Masters Denomination.exe
PID 1604 wrote to memory of 1108	1604	Masters Denomination.exe	Masters Denomination.exe
PID 1604 wrote to memory of 1108	1604	Masters Denomination.exe	Masters Denomination.exe
PID 1604 wrote to memory of 1108	1604	Masters Denomination.exe	Masters Denomination.exe

outlook_office_path 1 IoCs

Processes:

Masters Denomination.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Masters Denomination.exe

outlook_win_path 1 IoCs

Processes:

Masters Denomination.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Masters Denomination.exe

C:\Users\Admin\AppData\Local\Temp\Masters Denomination.exe
"C:\Users\Admin\AppData\Local\Temp\Masters Denomination.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1604

C:\Users\Admin\AppData\Local\Temp\Masters Denomination.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1108

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1108-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-59-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-66-0x00000000004201DE-mapping.dmp

Download
memory/1108-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1604-55-0x0000000076241000-0x0000000076243000-memory.dmp

Filesize
8KB

Download
memory/1604-56-0x00000000005C0000-0x00000000005CA000-memory.dmp

Filesize
40KB

Download
memory/1604-57-0x0000000005270000-0x00000000052E6000-memory.dmp

Filesize
472KB

Download
memory/1604-58-0x00000000042A0000-0x00000000042C6000-memory.dmp

Filesize
152KB

Download
memory/1604-54-0x0000000000CD0000-0x0000000000D4A000-memory.dmp

Filesize
488KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads