snakekeylogger | 329e8c0525a2c1c5fecced5d189ff5e7a063e8a1188415f42f3543f945fe0337

General

Target

Packing-List_23-01-2021.exe
Size

681KB
MD5

73550af1c4f17e028355c872271f8627
SHA1

f29d5e4d73b369f2c3ef5ad534d275fdc1e713a7
SHA256

329e8c0525a2c1c5fecced5d189ff5e7a063e8a1188415f42f3543f945fe0337
SHA512

9c1ad44421632c65e1a54fdb42cf24ad7112c25b299cda4d086ab3e0ee2688cdd5d6aaef1a50f87bf1193796533ddf3093c5f229a15d804dab0df907e104cfd5

Score

10^/10

snakekeylogger keylogger ransomware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
WyhjVTBX5hjrgu7

Signatures

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

Snake Keylogger Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1576-15-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/1576-16-0x000000000046463E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1576-21-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

16 freegeoip.app
6 checkip.dyndns.org
15 freegeoip.app
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082
Suspicious use of SetThreadContext 1 IoCs

Processes:

Packing-List_23-01-2021.exe

description pid process target process

PID 1632 set thread context of 1576 1632 Packing-List_23-01-2021.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Powershell.exeRegAsm.exe

pid process

1472 Powershell.exe
1576 RegAsm.exe
1472 Powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Powershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1472 Powershell.exe
Token: SeDebugPrivilege 1576 RegAsm.exe

flow	ioc
16	freegeoip.app
6	checkip.dyndns.org
15	freegeoip.app

description	pid	process	target process
PID 1632 set thread context of 1576	1632	Packing-List_23-01-2021.exe	RegAsm.exe

pid	process
1472	Powershell.exe
1576	RegAsm.exe
1472	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	1472	Powershell.exe
Token: SeDebugPrivilege	1576	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Packing-List_23-01-2021.exe

description	pid	process	target process
PID 1632 wrote to memory of 1472	1632	Packing-List_23-01-2021.exe	Powershell.exe
PID 1632 wrote to memory of 1472	1632	Packing-List_23-01-2021.exe	Powershell.exe
PID 1632 wrote to memory of 1472	1632	Packing-List_23-01-2021.exe	Powershell.exe
PID 1632 wrote to memory of 1472	1632	Packing-List_23-01-2021.exe	Powershell.exe
PID 1632 wrote to memory of 1576	1632	Packing-List_23-01-2021.exe	RegAsm.exe
PID 1632 wrote to memory of 1576	1632	Packing-List_23-01-2021.exe	RegAsm.exe
PID 1632 wrote to memory of 1576	1632	Packing-List_23-01-2021.exe	RegAsm.exe
PID 1632 wrote to memory of 1576	1632	Packing-List_23-01-2021.exe	RegAsm.exe
PID 1632 wrote to memory of 1576	1632	Packing-List_23-01-2021.exe	RegAsm.exe
PID 1632 wrote to memory of 1576	1632	Packing-List_23-01-2021.exe	RegAsm.exe
PID 1632 wrote to memory of 1576	1632	Packing-List_23-01-2021.exe	RegAsm.exe
PID 1632 wrote to memory of 1576	1632	Packing-List_23-01-2021.exe	RegAsm.exe
PID 1632 wrote to memory of 1576	1632	Packing-List_23-01-2021.exe	RegAsm.exe
PID 1632 wrote to memory of 1576	1632	Packing-List_23-01-2021.exe	RegAsm.exe
PID 1632 wrote to memory of 1576	1632	Packing-List_23-01-2021.exe	RegAsm.exe
PID 1632 wrote to memory of 1576	1632	Packing-List_23-01-2021.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Packing-List_23-01-2021.exe
"C:\Users\Admin\AppData\Local\Temp\Packing-List_23-01-2021.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Packing-List_23-01-2021.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1472

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1576

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1472-33-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1472-18-0x0000000004A92000-0x0000000004A93000-memory.dmp

Filesize
4KB

Download
memory/1472-35-0x0000000006120000-0x0000000006121000-memory.dmp

Filesize
4KB

Download
memory/1472-34-0x0000000006080000-0x0000000006081000-memory.dmp

Filesize
4KB

Download
memory/1472-7-0x0000000000000000-mapping.dmp

Download
memory/1472-8-0x0000000076341000-0x0000000076343000-memory.dmp

Filesize
8KB

Download
memory/1472-42-0x0000000006280000-0x0000000006281000-memory.dmp

Filesize
4KB

Download
memory/1472-10-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/1472-27-0x0000000006030000-0x0000000006031000-memory.dmp

Filesize
4KB

Download
memory/1472-12-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

Filesize
4KB

Download
memory/1472-11-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download
memory/1472-14-0x0000000002810000-0x0000000002811000-memory.dmp

Filesize
4KB

Download
memory/1472-23-0x0000000004950000-0x0000000004951000-memory.dmp

Filesize
4KB

Download
memory/1472-17-0x0000000004A90000-0x0000000004A91000-memory.dmp

Filesize
4KB

Download
memory/1576-15-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1576-16-0x000000000046463E-mapping.dmp

Download
memory/1576-20-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/1576-21-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1576-24-0x0000000004C80000-0x0000000004C81000-memory.dmp

Filesize
4KB

Download
memory/1632-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/1632-13-0x0000000000350000-0x000000000035F000-memory.dmp

Filesize
60KB

Download
memory/1632-32-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/1632-9-0x0000000004DB5000-0x0000000004DC6000-memory.dmp

Filesize
68KB

Download
memory/1632-6-0x0000000004FD0000-0x0000000005046000-memory.dmp

Filesize
472KB

Download
memory/1632-5-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

Filesize
4KB

Download
memory/1632-3-0x0000000000E70000-0x0000000000E71000-memory.dmp

Filesize
4KB

Download
memory/1632-43-0x0000000004DC6000-0x0000000004DC7000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads