snakekeylogger | 43ef60cadb56aed45b964b3f85827c9557b49f400a972f1cf9e16566e5dcf2d7

General

Target

file.exe
Size

1.2MB
MD5

fd15f7e050f40bceac74087720bef9c1
SHA1

88bc4eff56e875ef5177ff7cc4841cca6360f0fc
SHA256

43ef60cadb56aed45b964b3f85827c9557b49f400a972f1cf9e16566e5dcf2d7
SHA512

6aae6d25e65eec6f99afed7cc05d478ccf370cfc7d284fd1ce49ef735d115fdba1d9acb36bbed09e8b5523a00b8f1fdda217e17669ade1d8f03085ece42e5394

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4016-14-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger
behavioral2/memory/4016-15-0x0000000000463E1E-mapping.dmp	family_snakekeylogger

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

4016 InstallUtil.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081
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

17 checkip.dyndns.org
20 freegeoip.app
21 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

file.exe

description pid process target process

PID 3812 set thread context of 4016 3812 file.exe InstallUtil.exe

pid	process
4016	InstallUtil.exe

flow	ioc
17	checkip.dyndns.org
20	freegeoip.app
21	freegeoip.app

description	pid	process	target process
PID 3812 set thread context of 4016	3812	file.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

file.exeInstallUtil.exe

pid	process
3812	file.exe
3812	file.exe
4016	InstallUtil.exe
4016	InstallUtil.exe
4016	InstallUtil.exe
4016	InstallUtil.exe
4016	InstallUtil.exe
4016	InstallUtil.exe
4016	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

file.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 3812 file.exe
Token: SeDebugPrivilege 4016 InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3812	file.exe
Token: SeDebugPrivilege	4016	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

file.exe

description	pid	process	target process
PID 3812 wrote to memory of 4016	3812	file.exe	InstallUtil.exe
PID 3812 wrote to memory of 4016	3812	file.exe	InstallUtil.exe
PID 3812 wrote to memory of 4016	3812	file.exe	InstallUtil.exe
PID 3812 wrote to memory of 4016	3812	file.exe	InstallUtil.exe
PID 3812 wrote to memory of 4016	3812	file.exe	InstallUtil.exe
PID 3812 wrote to memory of 4016	3812	file.exe	InstallUtil.exe
PID 3812 wrote to memory of 4016	3812	file.exe	InstallUtil.exe
PID 3812 wrote to memory of 4016	3812	file.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3812

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4016

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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/3812-8-0x0000000005120000-0x000000000513E000-memory.dmp

Filesize
120KB

Download
memory/3812-5-0x0000000004F30000-0x0000000004F31000-memory.dmp

Filesize
4KB

Download
memory/3812-2-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/3812-9-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

Filesize
4KB

Download
memory/3812-10-0x0000000008430000-0x0000000008431000-memory.dmp

Filesize
4KB

Download
memory/3812-11-0x0000000005141000-0x0000000005142000-memory.dmp

Filesize
4KB

Download
memory/3812-12-0x0000000008E70000-0x0000000008E7B000-memory.dmp

Filesize
44KB

Download
memory/3812-13-0x0000000008E80000-0x0000000008E81000-memory.dmp

Filesize
4KB

Download
memory/3812-3-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/3812-6-0x0000000005140000-0x0000000005141000-memory.dmp

Filesize
4KB

Download
memory/4016-15-0x0000000000463E1E-mapping.dmp

Download
memory/4016-14-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/4016-18-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

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memory/4016-21-0x0000000005DC0000-0x0000000005DC1000-memory.dmp

Filesize
4KB

Download
memory/4016-23-0x0000000006890000-0x0000000006891000-memory.dmp

Filesize
4KB

Download
memory/4016-25-0x0000000005A10000-0x0000000005A11000-memory.dmp

Filesize
4KB

Download
memory/4016-26-0x0000000005DB0000-0x0000000005DB1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads