snakekeylogger | 30eb1963753aa4a9d4987f1e43c684d91b1b9ca11202a7f751bc621a0149cb19

General

Target

27970a1a59a9e4f39aed843e55e31ae0.exe
Size

1.5MB
MD5

27970a1a59a9e4f39aed843e55e31ae0
SHA1

c1c54be2a890bc5174b9a94d19385d3c9e9f8b8a
SHA256

30eb1963753aa4a9d4987f1e43c684d91b1b9ca11202a7f751bc621a0149cb19
SHA512

0fbb5bbb642b8230a2c18dd06cf930fab67fd1e3b6b461a2560b7464d9f557723d9fe813ebcafb5b7400be1e45f8bb275056f500523d9d740f4251ebde9f15ae

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/1736-27-0x0000000000400000-0x0000000000468000-memory.dmp	family_snakekeylogger
behavioral2/memory/1736-28-0x000000000046381E-mapping.dmp	family_snakekeylogger

Executes dropped EXE 2 IoCs

Processes:

scis.exeInstallUtil.exe

pid process

388 scis.exe
1736 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
388	scis.exe
1736	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
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\not = "C:\\Users\\Admin\\scis.exe"	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 388 set thread context of 1736 388 scis.exe InstallUtil.exe

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

description	pid	process	target process
PID 388 set thread context of 1736	388	scis.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

27970a1a59a9e4f39aed843e55e31ae0.exescis.exeInstallUtil.exe

pid	process
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
4768	27970a1a59a9e4f39aed843e55e31ae0.exe
388	scis.exe
388	scis.exe
1736	InstallUtil.exe
1736	InstallUtil.exe
1736	InstallUtil.exe
1736	InstallUtil.exe
1736	InstallUtil.exe
1736	InstallUtil.exe
1736	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

27970a1a59a9e4f39aed843e55e31ae0.exescis.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4768	27970a1a59a9e4f39aed843e55e31ae0.exe
Token: SeDebugPrivilege	388	scis.exe
Token: SeDebugPrivilege	1736	InstallUtil.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

27970a1a59a9e4f39aed843e55e31ae0.execmd.exescis.exe

description	pid	process	target process
PID 4768 wrote to memory of 3084	4768	27970a1a59a9e4f39aed843e55e31ae0.exe	cmd.exe
PID 4768 wrote to memory of 3084	4768	27970a1a59a9e4f39aed843e55e31ae0.exe	cmd.exe
PID 4768 wrote to memory of 3084	4768	27970a1a59a9e4f39aed843e55e31ae0.exe	cmd.exe
PID 3084 wrote to memory of 552	3084	cmd.exe	reg.exe
PID 3084 wrote to memory of 552	3084	cmd.exe	reg.exe
PID 3084 wrote to memory of 552	3084	cmd.exe	reg.exe
PID 4768 wrote to memory of 388	4768	27970a1a59a9e4f39aed843e55e31ae0.exe	scis.exe
PID 4768 wrote to memory of 388	4768	27970a1a59a9e4f39aed843e55e31ae0.exe	scis.exe
PID 4768 wrote to memory of 388	4768	27970a1a59a9e4f39aed843e55e31ae0.exe	scis.exe
PID 388 wrote to memory of 1736	388	scis.exe	InstallUtil.exe
PID 388 wrote to memory of 1736	388	scis.exe	InstallUtil.exe
PID 388 wrote to memory of 1736	388	scis.exe	InstallUtil.exe
PID 388 wrote to memory of 1736	388	scis.exe	InstallUtil.exe
PID 388 wrote to memory of 1736	388	scis.exe	InstallUtil.exe
PID 388 wrote to memory of 1736	388	scis.exe	InstallUtil.exe
PID 388 wrote to memory of 1736	388	scis.exe	InstallUtil.exe
PID 388 wrote to memory of 1736	388	scis.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\27970a1a59a9e4f39aed843e55e31ae0.exe
"C:\Users\Admin\AppData\Local\Temp\27970a1a59a9e4f39aed843e55e31ae0.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4768

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:3084

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:552

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:388

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:1736

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
27970a1a59a9e4f39aed843e55e31ae0

SHA1
c1c54be2a890bc5174b9a94d19385d3c9e9f8b8a

SHA256
30eb1963753aa4a9d4987f1e43c684d91b1b9ca11202a7f751bc621a0149cb19

SHA512
0fbb5bbb642b8230a2c18dd06cf930fab67fd1e3b6b461a2560b7464d9f557723d9fe813ebcafb5b7400be1e45f8bb275056f500523d9d740f4251ebde9f15ae

Download Submit
C:\Users\Admin\scis.exe
MD5
27970a1a59a9e4f39aed843e55e31ae0

SHA1
c1c54be2a890bc5174b9a94d19385d3c9e9f8b8a

SHA256
30eb1963753aa4a9d4987f1e43c684d91b1b9ca11202a7f751bc621a0149cb19

SHA512
0fbb5bbb642b8230a2c18dd06cf930fab67fd1e3b6b461a2560b7464d9f557723d9fe813ebcafb5b7400be1e45f8bb275056f500523d9d740f4251ebde9f15ae

Download Submit
memory/388-26-0x0000000005201000-0x0000000005202000-memory.dmp

Filesize
4KB

Download
memory/388-25-0x000000000B9F0000-0x000000000B9F1000-memory.dmp

Filesize
4KB

Download
memory/388-24-0x0000000008540000-0x000000000854B000-memory.dmp

Filesize
44KB

Download
memory/388-21-0x0000000005200000-0x0000000005201000-memory.dmp

Filesize
4KB

Download
memory/388-16-0x00000000732D0000-0x00000000739BE000-memory.dmp

Filesize
6.9MB

Download
memory/388-13-0x0000000000000000-mapping.dmp

Download
memory/552-11-0x0000000000000000-mapping.dmp

Download
memory/1736-27-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1736-28-0x000000000046381E-mapping.dmp

Download
memory/1736-39-0x00000000064C0000-0x00000000064C1000-memory.dmp

Filesize
4KB

Download
memory/1736-37-0x0000000006520000-0x0000000006521000-memory.dmp

Filesize
4KB

Download
memory/1736-36-0x0000000005600000-0x0000000005601000-memory.dmp

Filesize
4KB

Download
memory/1736-34-0x00000000059D0000-0x00000000059D1000-memory.dmp

Filesize
4KB

Download
memory/1736-31-0x00000000732D0000-0x00000000739BE000-memory.dmp

Filesize
6.9MB

Download
memory/3084-10-0x0000000000000000-mapping.dmp

Download
memory/4768-2-0x00000000732D0000-0x00000000739BE000-memory.dmp

Filesize
6.9MB

Download
memory/4768-5-0x00000000051B0000-0x00000000051B1000-memory.dmp

Filesize
4KB

Download
memory/4768-3-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/4768-12-0x0000000005161000-0x0000000005162000-memory.dmp

Filesize
4KB

Download
memory/4768-6-0x0000000002D10000-0x0000000002D2E000-memory.dmp

Filesize
120KB

Download
memory/4768-7-0x0000000005140000-0x0000000005141000-memory.dmp

Filesize
4KB

Download
memory/4768-8-0x0000000007AF0000-0x0000000007AF1000-memory.dmp

Filesize
4KB

Download
memory/4768-9-0x0000000005160000-0x0000000005161000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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