snakekeylogger | b07f1a61fef552e8f6261abb854ec9b44aa57588c6ae812bf67f6a267a14ff9b

General

Target

f65845f788aaaacf5705dd2db21edc0b.exe
Size

1.5MB
MD5

f65845f788aaaacf5705dd2db21edc0b
SHA1

8cd3b8e2905d232b56ed775ffbb8c2f8cf58e80f
SHA256

b07f1a61fef552e8f6261abb854ec9b44aa57588c6ae812bf67f6a267a14ff9b
SHA512

cf91401cabf4315b37d5ffe711e43bddbeeb4889432b3df8b197e1157241be892a90182124f4a02e7ead623040d23b7a12436a6230c881efe2ce597b6f01d86a

Score

10^/10

snakekeylogger keylogger persistence 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/3952-27-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger
behavioral2/memory/3952-28-0x000000000046381E-mapping.dmp	family_snakekeylogger

Executes dropped EXE 2 IoCs

Processes:

scis.exeInstallUtil.exe

pid process

3980 scis.exe
3952 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

pid	process
3980	scis.exe
3952	InstallUtil.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\not = "C:\\Users\\Admin\\scis.exe"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.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

15 checkip.dyndns.org
18 freegeoip.app
19 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

scis.exe

description pid process target process

PID 3980 set thread context of 3952 3980 scis.exe InstallUtil.exe

flow	ioc
15	checkip.dyndns.org
18	freegeoip.app
19	freegeoip.app

description	pid	process	target process
PID 3980 set thread context of 3952	3980	scis.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

f65845f788aaaacf5705dd2db21edc0b.exescis.exeInstallUtil.exe

pid	process
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
508	f65845f788aaaacf5705dd2db21edc0b.exe
3980	scis.exe
3980	scis.exe
3952	InstallUtil.exe
3952	InstallUtil.exe
3952	InstallUtil.exe
3952	InstallUtil.exe
3952	InstallUtil.exe
3952	InstallUtil.exe
3952	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

f65845f788aaaacf5705dd2db21edc0b.exescis.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	508	f65845f788aaaacf5705dd2db21edc0b.exe
Token: SeDebugPrivilege	3980	scis.exe
Token: SeDebugPrivilege	3952	InstallUtil.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

f65845f788aaaacf5705dd2db21edc0b.execmd.exescis.exe

description	pid	process	target process
PID 508 wrote to memory of 204	508	f65845f788aaaacf5705dd2db21edc0b.exe	cmd.exe
PID 508 wrote to memory of 204	508	f65845f788aaaacf5705dd2db21edc0b.exe	cmd.exe
PID 508 wrote to memory of 204	508	f65845f788aaaacf5705dd2db21edc0b.exe	cmd.exe
PID 204 wrote to memory of 936	204	cmd.exe	reg.exe
PID 204 wrote to memory of 936	204	cmd.exe	reg.exe
PID 204 wrote to memory of 936	204	cmd.exe	reg.exe
PID 508 wrote to memory of 3980	508	f65845f788aaaacf5705dd2db21edc0b.exe	scis.exe
PID 508 wrote to memory of 3980	508	f65845f788aaaacf5705dd2db21edc0b.exe	scis.exe
PID 508 wrote to memory of 3980	508	f65845f788aaaacf5705dd2db21edc0b.exe	scis.exe
PID 3980 wrote to memory of 3952	3980	scis.exe	InstallUtil.exe
PID 3980 wrote to memory of 3952	3980	scis.exe	InstallUtil.exe
PID 3980 wrote to memory of 3952	3980	scis.exe	InstallUtil.exe
PID 3980 wrote to memory of 3952	3980	scis.exe	InstallUtil.exe
PID 3980 wrote to memory of 3952	3980	scis.exe	InstallUtil.exe
PID 3980 wrote to memory of 3952	3980	scis.exe	InstallUtil.exe
PID 3980 wrote to memory of 3952	3980	scis.exe	InstallUtil.exe
PID 3980 wrote to memory of 3952	3980	scis.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\f65845f788aaaacf5705dd2db21edc0b.exe
"C:\Users\Admin\AppData\Local\Temp\f65845f788aaaacf5705dd2db21edc0b.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:508

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "not" /t REG_SZ /d "C:\Users\Admin\scis.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:204

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "not" /t REG_SZ /d "C:\Users\Admin\scis.exe"
3⤵
- Adds Run key to start application
PID:936

C:\Users\Admin\scis.exe
"C:\Users\Admin\scis.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3980

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3952

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

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
C:\Users\Admin\scis.exe
MD5
f65845f788aaaacf5705dd2db21edc0b

SHA1
8cd3b8e2905d232b56ed775ffbb8c2f8cf58e80f

SHA256
b07f1a61fef552e8f6261abb854ec9b44aa57588c6ae812bf67f6a267a14ff9b

SHA512
cf91401cabf4315b37d5ffe711e43bddbeeb4889432b3df8b197e1157241be892a90182124f4a02e7ead623040d23b7a12436a6230c881efe2ce597b6f01d86a

Download Submit
C:\Users\Admin\scis.exe
MD5
f65845f788aaaacf5705dd2db21edc0b

SHA1
8cd3b8e2905d232b56ed775ffbb8c2f8cf58e80f

SHA256
b07f1a61fef552e8f6261abb854ec9b44aa57588c6ae812bf67f6a267a14ff9b

SHA512
cf91401cabf4315b37d5ffe711e43bddbeeb4889432b3df8b197e1157241be892a90182124f4a02e7ead623040d23b7a12436a6230c881efe2ce597b6f01d86a

Download Submit
memory/204-10-0x0000000000000000-mapping.dmp

Download
memory/508-9-0x0000000007640000-0x0000000007641000-memory.dmp

Filesize
4KB

Download
memory/508-3-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/508-8-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

Filesize
4KB

Download
memory/508-2-0x0000000073520000-0x0000000073C0E000-memory.dmp

Filesize
6.9MB

Download
memory/508-12-0x0000000001001000-0x0000000001002000-memory.dmp

Filesize
4KB

Download
memory/508-5-0x0000000004D80000-0x0000000004D81000-memory.dmp

Filesize
4KB

Download
memory/508-7-0x0000000001030000-0x000000000104E000-memory.dmp

Filesize
120KB

Download
memory/508-6-0x0000000001000000-0x0000000001001000-memory.dmp

Filesize
4KB

Download
memory/936-11-0x0000000000000000-mapping.dmp

Download
memory/3952-39-0x0000000005EB0000-0x0000000005EB1000-memory.dmp

Filesize
4KB

Download
memory/3952-37-0x0000000005F10000-0x0000000005F11000-memory.dmp

Filesize
4KB

Download
memory/3952-36-0x0000000004F60000-0x0000000004F61000-memory.dmp

Filesize
4KB

Download
memory/3952-34-0x0000000005380000-0x0000000005381000-memory.dmp

Filesize
4KB

Download
memory/3952-27-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/3952-31-0x0000000073520000-0x0000000073C0E000-memory.dmp

Filesize
6.9MB

Download
memory/3952-28-0x000000000046381E-mapping.dmp

Download
memory/3980-25-0x000000000C2F0000-0x000000000C2F1000-memory.dmp

Filesize
4KB

Download
memory/3980-13-0x0000000000000000-mapping.dmp

Download
memory/3980-26-0x00000000057D1000-0x00000000057D2000-memory.dmp

Filesize
4KB

Download
memory/3980-16-0x0000000073520000-0x0000000073C0E000-memory.dmp

Filesize
6.9MB

Download
memory/3980-24-0x0000000008E40000-0x0000000008E4B000-memory.dmp

Filesize
44KB

Download
memory/3980-23-0x00000000057D0000-0x00000000057D1000-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