snakekeylogger | 1ab6ad1baf7099b79f78d5cc575dc08d33320b1f607b6fa038432c3a27fb2dfd

General

Target

KcOX.exe
Size

609KB
MD5

fe03b712d2e463fdeb67f9f9f2d98fc9
SHA1

d978aed329e47d47791e13f31fc4aa823e545f89
SHA256

1ab6ad1baf7099b79f78d5cc575dc08d33320b1f607b6fa038432c3a27fb2dfd
SHA512

170ca520c7a9489f8245ae18fb3fa5aa7bc1441d183daa4f72e34a3bbbd393ca46427c25a3809fd805c19348eebf880f1b51c4c147b0ddeac8f1aad02fcd3a03
SSDEEP

12288:hMdIt/5J/tXcPl1RWLDmJr4YoKnE5ZrZ4YIfjwIF7:iWBJZ0lSuEbT5ZrlI7ws7

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2768-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2768-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2768-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2768-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2768-27-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

KcOX.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	KcOX.exe
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	KcOX.exe
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	KcOX.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

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

Processes:

KcOX.exe

description pid process target process

PID 796 set thread context of 2768 796 KcOX.exe KcOX.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2324 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

KcOX.exepowershell.exe

pid process

2768 KcOX.exe
2440 powershell.exe
2768 KcOX.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

KcOX.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2768 KcOX.exe
Token: SeDebugPrivilege 2440 powershell.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 796 set thread context of 2768	796	KcOX.exe	KcOX.exe

pid	process
2324	schtasks.exe

pid	process
2768	KcOX.exe
2440	powershell.exe
2768	KcOX.exe

description	pid	process
Token: SeDebugPrivilege	2768	KcOX.exe
Token: SeDebugPrivilege	2440	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

KcOX.exe

description	pid	process	target process
PID 796 wrote to memory of 2440	796	KcOX.exe	powershell.exe
PID 796 wrote to memory of 2440	796	KcOX.exe	powershell.exe
PID 796 wrote to memory of 2440	796	KcOX.exe	powershell.exe
PID 796 wrote to memory of 2440	796	KcOX.exe	powershell.exe
PID 796 wrote to memory of 2324	796	KcOX.exe	schtasks.exe
PID 796 wrote to memory of 2324	796	KcOX.exe	schtasks.exe
PID 796 wrote to memory of 2324	796	KcOX.exe	schtasks.exe
PID 796 wrote to memory of 2324	796	KcOX.exe	schtasks.exe
PID 796 wrote to memory of 2768	796	KcOX.exe	KcOX.exe
PID 796 wrote to memory of 2768	796	KcOX.exe	KcOX.exe
PID 796 wrote to memory of 2768	796	KcOX.exe	KcOX.exe
PID 796 wrote to memory of 2768	796	KcOX.exe	KcOX.exe
PID 796 wrote to memory of 2768	796	KcOX.exe	KcOX.exe
PID 796 wrote to memory of 2768	796	KcOX.exe	KcOX.exe
PID 796 wrote to memory of 2768	796	KcOX.exe	KcOX.exe
PID 796 wrote to memory of 2768	796	KcOX.exe	KcOX.exe
PID 796 wrote to memory of 2768	796	KcOX.exe	KcOX.exe

outlook_office_path 1 IoCs

Processes:

KcOX.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	KcOX.exe

outlook_win_path 1 IoCs

Processes:

KcOX.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	KcOX.exe

C:\Users\Admin\AppData\Local\Temp\KcOX.exe
"C:\Users\Admin\AppData\Local\Temp\KcOX.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DTeVcECl.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2440

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DTeVcECl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA277.tmp"
2⤵
- Creates scheduled task(s)
PID:2324

C:\Users\Admin\AppData\Local\Temp\KcOX.exe
"C:\Users\Admin\AppData\Local\Temp\KcOX.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA277.tmp

Filesize
1KB

MD5
2bf932d98d23085703e920a29bf24398

SHA1
30a958975e1718808a19491744d559cefc2ea718

SHA256
2e8fb4eefbad8cbb7b50bae7f463b14c3dd68f5fb4e5f4c2ed318d9da6b77625

SHA512
88f68de48961a44b950ba73f86a3a3f0abfe89cfe484b5c7d71680e662e827727eaa73c060849a66aef81e8bea6d35ab45f6825d892d1750581a9ca4018dc9dc

Download Submit
memory/796-8-0x0000000004E40000-0x0000000004E80000-memory.dmp

Filesize
256KB

Download
memory/796-7-0x00000000743E0000-0x0000000074ACE000-memory.dmp

Filesize
6.9MB

Download
memory/796-3-0x0000000000410000-0x0000000000426000-memory.dmp

Filesize
88KB

Download
memory/796-4-0x00000000005B0000-0x00000000005B8000-memory.dmp

Filesize
32KB

Download
memory/796-1-0x00000000743E0000-0x0000000074ACE000-memory.dmp

Filesize
6.9MB

Download
memory/796-6-0x0000000004DE0000-0x0000000004E40000-memory.dmp

Filesize
384KB

Download
memory/796-2-0x0000000004E40000-0x0000000004E80000-memory.dmp

Filesize
256KB

Download
memory/796-26-0x00000000743E0000-0x0000000074ACE000-memory.dmp

Filesize
6.9MB

Download
memory/796-5-0x00000000005C0000-0x00000000005CA000-memory.dmp

Filesize
40KB

Download
memory/796-0-0x0000000000B60000-0x0000000000BFE000-memory.dmp

Filesize
632KB

Download
memory/2440-35-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/2440-36-0x000000006FE10000-0x00000000703BB000-memory.dmp

Filesize
5.7MB

Download
memory/2440-34-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/2440-33-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/2440-32-0x000000006FE10000-0x00000000703BB000-memory.dmp

Filesize
5.7MB

Download
memory/2440-31-0x000000006FE10000-0x00000000703BB000-memory.dmp

Filesize
5.7MB

Download
memory/2768-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2768-27-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2768-28-0x00000000743E0000-0x0000000074ACE000-memory.dmp

Filesize
6.9MB

Download
memory/2768-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2768-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2768-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2768-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2768-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2768-37-0x00000000743E0000-0x0000000074ACE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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