snakekeylogger | 364d0bdf248f7f0e275ccbf178e50e55cf76b13ec131a0f2156f20526ef24991

General

Target

MV. TBN.exe
Size

17KB
MD5

3c1446661a4699bd8b1e30e50edb5033
SHA1

362c1af3d3f43b4185e017b9a20f1bf73d0c2ab4
SHA256

364d0bdf248f7f0e275ccbf178e50e55cf76b13ec131a0f2156f20526ef24991
SHA512

dc9259264f76d2007d5f8a6c82ed26c3679f1300c541de98a1701fc7d257d8e5a7def10a8dc31e378888ab2f7b3ddad2dd7b33ea7bc3dabe84becf563e593fd7
SSDEEP

384:4GcNoUSIjH32l276Wms8khnn1LRNQPuNn1UjTj9cyI:4GSZT2Wj8SJIPuEjTh8

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

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/1060-145-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

MV. TBN.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation MV. TBN.exe
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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	MV. TBN.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MV. TBN.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	MV. TBN.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MV. TBN.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MV. TBN.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

MV. TBN.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qublihqway = "\"C:\\Users\\Admin\\AppData\\Roaming\\Jwhfadc\\Qublihqway.exe\""	MV. TBN.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

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

Processes:

MV. TBN.exe

description pid process target process

PID 2672 set thread context of 1060 2672 MV. TBN.exe MV. TBN.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 4 IoCs

Processes:

powershell.exeMV. TBN.exe

pid process

1844 powershell.exe
1844 powershell.exe
1060 MV. TBN.exe
1060 MV. TBN.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

MV. TBN.exepowershell.exeMV. TBN.exe

description pid process

Token: SeDebugPrivilege 2672 MV. TBN.exe
Token: SeDebugPrivilege 1844 powershell.exe
Token: SeDebugPrivilege 1060 MV. TBN.exe

flow	ioc
45	checkip.dyndns.org

description	pid	process	target process
PID 2672 set thread context of 1060	2672	MV. TBN.exe	MV. TBN.exe

pid	process
1844	powershell.exe
1844	powershell.exe
1060	MV. TBN.exe
1060	MV. TBN.exe

description	pid	process
Token: SeDebugPrivilege	2672	MV. TBN.exe
Token: SeDebugPrivilege	1844	powershell.exe
Token: SeDebugPrivilege	1060	MV. TBN.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

MV. TBN.exe

description	pid	process	target process
PID 2672 wrote to memory of 1844	2672	MV. TBN.exe	powershell.exe
PID 2672 wrote to memory of 1844	2672	MV. TBN.exe	powershell.exe
PID 2672 wrote to memory of 1844	2672	MV. TBN.exe	powershell.exe
PID 2672 wrote to memory of 1060	2672	MV. TBN.exe	MV. TBN.exe
PID 2672 wrote to memory of 1060	2672	MV. TBN.exe	MV. TBN.exe
PID 2672 wrote to memory of 1060	2672	MV. TBN.exe	MV. TBN.exe
PID 2672 wrote to memory of 1060	2672	MV. TBN.exe	MV. TBN.exe
PID 2672 wrote to memory of 1060	2672	MV. TBN.exe	MV. TBN.exe
PID 2672 wrote to memory of 1060	2672	MV. TBN.exe	MV. TBN.exe
PID 2672 wrote to memory of 1060	2672	MV. TBN.exe	MV. TBN.exe
PID 2672 wrote to memory of 1060	2672	MV. TBN.exe	MV. TBN.exe

outlook_office_path 1 IoCs

Processes:

MV. TBN.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	MV. TBN.exe

outlook_win_path 1 IoCs

Processes:

MV. TBN.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	MV. TBN.exe

C:\Users\Admin\AppData\Local\Temp\MV. TBN.exe
"C:\Users\Admin\AppData\Local\Temp\MV. TBN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2672

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1844

C:\Users\Admin\AppData\Local\Temp\MV. TBN.exe
"C:\Users\Admin\AppData\Local\Temp\MV. TBN.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1060

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\MV. TBN.exe.log

Filesize
1KB

MD5
026fb31495d30e5dbfd00f398c2efbf8

SHA1
9cda8f5f58129e4d592ca1b9867835c86f38ab1b

SHA256
b008f16eeae90b4c6ba119fb308616c0795cdaca51adf2b64470a0c01aeeb8b7

SHA512
6d1cc01c90613522cfb7be7ea67ff03732b367dfc7bfd245ad6d7ea8e5e5def431b3339d17893b7b193cee2c3b4c22a459acd3d852ee88fce711e30c5af195a1

Download Submit
memory/1060-144-0x0000000000000000-mapping.dmp

Download
memory/1060-149-0x00000000061B0000-0x00000000061BA000-memory.dmp

Filesize
40KB

Download
memory/1060-148-0x0000000006210000-0x00000000063D2000-memory.dmp

Filesize
1.8MB

Download
memory/1060-147-0x0000000004F40000-0x0000000004FDC000-memory.dmp

Filesize
624KB

Download
memory/1060-145-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1844-136-0x0000000000000000-mapping.dmp

Download
memory/1844-139-0x00000000050A0000-0x0000000005106000-memory.dmp

Filesize
408KB

Download
memory/1844-140-0x0000000005890000-0x00000000058F6000-memory.dmp

Filesize
408KB

Download
memory/1844-141-0x0000000005EB0000-0x0000000005ECE000-memory.dmp

Filesize
120KB

Download
memory/1844-142-0x00000000076F0000-0x0000000007D6A000-memory.dmp

Filesize
6.5MB

Download
memory/1844-143-0x0000000006390000-0x00000000063AA000-memory.dmp

Filesize
104KB

Download
memory/1844-138-0x0000000005170000-0x0000000005798000-memory.dmp

Filesize
6.2MB

Download
memory/1844-137-0x00000000025B0000-0x00000000025E6000-memory.dmp

Filesize
216KB

Download
memory/2672-132-0x0000000000420000-0x000000000042A000-memory.dmp

Filesize
40KB

Download
memory/2672-135-0x0000000005A50000-0x0000000005A72000-memory.dmp

Filesize
136KB

Download
memory/2672-134-0x0000000005FD0000-0x0000000006574000-memory.dmp

Filesize
5.6MB

Download
memory/2672-133-0x0000000005980000-0x0000000005A12000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads