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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1648-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1648-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1648-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1648-69-0x000000000042075E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1648-71-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1648-73-0x0000000000400000-0x0000000000426000-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:

MV. TBN.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MV. TBN.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MV. TBN.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\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-1-5-21-1214520366-621468234-4062160515-1000\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

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

Processes:

MV. TBN.exe

description pid process target process

PID 1696 set thread context of 1648 1696 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.exeMV. TBN.exe

pid process

924 powershell.exe
1696 MV. TBN.exe
1648 MV. TBN.exe
1648 MV. TBN.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

MV. TBN.exepowershell.exeMV. TBN.exe

description pid process

Token: SeDebugPrivilege 1696 MV. TBN.exe
Token: SeDebugPrivilege 924 powershell.exe
Token: SeDebugPrivilege 1648 MV. TBN.exe

flow	ioc
8	checkip.dyndns.org

description	pid	process	target process
PID 1696 set thread context of 1648	1696	MV. TBN.exe	MV. TBN.exe

pid	process
924	powershell.exe
1696	MV. TBN.exe
1648	MV. TBN.exe
1648	MV. TBN.exe

description	pid	process
Token: SeDebugPrivilege	1696	MV. TBN.exe
Token: SeDebugPrivilege	924	powershell.exe
Token: SeDebugPrivilege	1648	MV. TBN.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

MV. TBN.exe

description	pid	process	target process
PID 1696 wrote to memory of 924	1696	MV. TBN.exe	powershell.exe
PID 1696 wrote to memory of 924	1696	MV. TBN.exe	powershell.exe
PID 1696 wrote to memory of 924	1696	MV. TBN.exe	powershell.exe
PID 1696 wrote to memory of 924	1696	MV. TBN.exe	powershell.exe
PID 1696 wrote to memory of 1372	1696	MV. TBN.exe	MV. TBN.exe
PID 1696 wrote to memory of 1372	1696	MV. TBN.exe	MV. TBN.exe
PID 1696 wrote to memory of 1372	1696	MV. TBN.exe	MV. TBN.exe
PID 1696 wrote to memory of 1372	1696	MV. TBN.exe	MV. TBN.exe
PID 1696 wrote to memory of 1648	1696	MV. TBN.exe	MV. TBN.exe
PID 1696 wrote to memory of 1648	1696	MV. TBN.exe	MV. TBN.exe
PID 1696 wrote to memory of 1648	1696	MV. TBN.exe	MV. TBN.exe
PID 1696 wrote to memory of 1648	1696	MV. TBN.exe	MV. TBN.exe
PID 1696 wrote to memory of 1648	1696	MV. TBN.exe	MV. TBN.exe
PID 1696 wrote to memory of 1648	1696	MV. TBN.exe	MV. TBN.exe
PID 1696 wrote to memory of 1648	1696	MV. TBN.exe	MV. TBN.exe
PID 1696 wrote to memory of 1648	1696	MV. TBN.exe	MV. TBN.exe
PID 1696 wrote to memory of 1648	1696	MV. TBN.exe	MV. TBN.exe

outlook_office_path 1 IoCs

Processes:

MV. TBN.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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-1-5-21-1214520366-621468234-4062160515-1000\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⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696

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:924

C:\Users\Admin\AppData\Local\Temp\MV. TBN.exe
"C:\Users\Admin\AppData\Local\Temp\MV. TBN.exe"
2⤵
PID:1372

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:1648

Network

MITRE ATT&CK Matrix ATT&CK 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

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/924-61-0x000000006E010000-0x000000006E5BB000-memory.dmp

Filesize
5.7MB

Download
memory/924-59-0x000000006E010000-0x000000006E5BB000-memory.dmp

Filesize
5.7MB

Download
memory/924-60-0x000000006E010000-0x000000006E5BB000-memory.dmp

Filesize
5.7MB

Download
memory/924-57-0x0000000000000000-mapping.dmp

Download
memory/1648-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1648-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1648-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1648-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1648-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1648-69-0x000000000042075E-mapping.dmp

Download
memory/1648-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1648-73-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1696-56-0x0000000006000000-0x00000000061FA000-memory.dmp

Filesize
2.0MB

Download
memory/1696-55-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1696-54-0x0000000001150000-0x000000000115A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads