snakekeylogger | 1ab6ad1baf7099b79f78d5cc575dc08d33320b1f607b6fa038432c3a27fb2dfd

Analysis

max time kernel
140s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2023 20:50

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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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4744-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

KcOX.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Control Panel\International\Geo\Nation KcOX.exe
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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Control Panel\International\Geo\Nation	KcOX.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

KcOX.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	KcOX.exe
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	KcOX.exe
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\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

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

Processes:

KcOX.exe

description pid process target process

PID 4676 set thread context of 4744 4676 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

3464 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeKcOX.exe

pid process

4408 powershell.exe
4744 KcOX.exe
4408 powershell.exe
4744 KcOX.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeKcOX.exe

description pid process

Token: SeDebugPrivilege 4408 powershell.exe
Token: SeDebugPrivilege 4744 KcOX.exe

flow	ioc
1	checkip.dyndns.org

description	pid	process	target process
PID 4676 set thread context of 4744	4676	KcOX.exe	KcOX.exe

pid	process
3464	schtasks.exe

pid	process
4408	powershell.exe
4744	KcOX.exe
4408	powershell.exe
4744	KcOX.exe

description	pid	process
Token: SeDebugPrivilege	4408	powershell.exe
Token: SeDebugPrivilege	4744	KcOX.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

KcOX.exe

description	pid	process	target process
PID 4676 wrote to memory of 4408	4676	KcOX.exe	powershell.exe
PID 4676 wrote to memory of 4408	4676	KcOX.exe	powershell.exe
PID 4676 wrote to memory of 4408	4676	KcOX.exe	powershell.exe
PID 4676 wrote to memory of 3464	4676	KcOX.exe	schtasks.exe
PID 4676 wrote to memory of 3464	4676	KcOX.exe	schtasks.exe
PID 4676 wrote to memory of 3464	4676	KcOX.exe	schtasks.exe
PID 4676 wrote to memory of 4744	4676	KcOX.exe	KcOX.exe
PID 4676 wrote to memory of 4744	4676	KcOX.exe	KcOX.exe
PID 4676 wrote to memory of 4744	4676	KcOX.exe	KcOX.exe
PID 4676 wrote to memory of 4744	4676	KcOX.exe	KcOX.exe
PID 4676 wrote to memory of 4744	4676	KcOX.exe	KcOX.exe
PID 4676 wrote to memory of 4744	4676	KcOX.exe	KcOX.exe
PID 4676 wrote to memory of 4744	4676	KcOX.exe	KcOX.exe
PID 4676 wrote to memory of 4744	4676	KcOX.exe	KcOX.exe

outlook_office_path 1 IoCs

Processes:

KcOX.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\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-1-5-21-1067295379-1486014338-1703171060-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4676

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:4408

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DTeVcECl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE98.tmp"
2⤵
- Creates scheduled task(s)
PID:3464

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:4744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\KcOX.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jkmxgavo.xn2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDE98.tmp

Filesize
1KB

MD5
2d4afb86d9bf3ec0cd1ec1cd2b4d9ffb

SHA1
78a55dc2199d2ff2eb93ff994fe90c60082c539f

SHA256
07b5567d42718fcb6e807aaaf47b03a33a0bc3b6ea1188312e473749b7e851e0

SHA512
0d42b9c2125942db1443a1d32531e4b4a7811261120a35a59ae13eaeaef2cedc1dd2bf4ba56da3a83397edbc831e4e540512b16c926b80ab339c75f2deb467f3

Download Submit
memory/4408-58-0x0000000007950000-0x0000000007FCA000-memory.dmp

Filesize
6.5MB

Download
memory/4408-59-0x0000000007310000-0x000000000732A000-memory.dmp

Filesize
104KB

Download
memory/4408-66-0x0000000007630000-0x0000000007638000-memory.dmp

Filesize
32KB

Download
memory/4408-65-0x0000000007650000-0x000000000766A000-memory.dmp

Filesize
104KB

Download
memory/4408-64-0x0000000007550000-0x0000000007564000-memory.dmp

Filesize
80KB

Download
memory/4408-63-0x0000000007540000-0x000000000754E000-memory.dmp

Filesize
56KB

Download
memory/4408-62-0x0000000007510000-0x0000000007521000-memory.dmp

Filesize
68KB

Download
memory/4408-61-0x0000000007590000-0x0000000007626000-memory.dmp

Filesize
600KB

Download
memory/4408-60-0x0000000007380000-0x000000000738A000-memory.dmp

Filesize
40KB

Download
memory/4408-56-0x00000000065B0000-0x00000000065CE000-memory.dmp

Filesize
120KB

Download
memory/4408-17-0x00000000026C0000-0x00000000026F6000-memory.dmp

Filesize
216KB

Download
memory/4408-18-0x00000000747B0000-0x0000000074F60000-memory.dmp

Filesize
7.7MB

Download
memory/4408-46-0x0000000070920000-0x000000007096C000-memory.dmp

Filesize
304KB

Download
memory/4408-20-0x0000000002790000-0x00000000027A0000-memory.dmp

Filesize
64KB

Download
memory/4408-45-0x00000000065D0000-0x0000000006602000-memory.dmp

Filesize
200KB

Download
memory/4408-22-0x0000000005160000-0x0000000005788000-memory.dmp

Filesize
6.2MB

Download
memory/4408-44-0x0000000002790000-0x00000000027A0000-memory.dmp

Filesize
64KB

Download
memory/4408-43-0x00000000060B0000-0x00000000060FC000-memory.dmp

Filesize
304KB

Download
memory/4408-25-0x0000000005020000-0x0000000005042000-memory.dmp

Filesize
136KB

Download
memory/4408-28-0x0000000005880000-0x00000000058E6000-memory.dmp

Filesize
408KB

Download
memory/4408-42-0x0000000006000000-0x000000000601E000-memory.dmp

Filesize
120KB

Download
memory/4408-30-0x00000000059A0000-0x0000000005A06000-memory.dmp

Filesize
408KB

Download
memory/4408-21-0x0000000002790000-0x00000000027A0000-memory.dmp

Filesize
64KB

Download
memory/4408-69-0x00000000747B0000-0x0000000074F60000-memory.dmp

Filesize
7.7MB

Download
memory/4408-57-0x00000000071E0000-0x0000000007283000-memory.dmp

Filesize
652KB

Download
memory/4408-41-0x0000000005B10000-0x0000000005E64000-memory.dmp

Filesize
3.3MB

Download
memory/4676-5-0x0000000005060000-0x000000000506A000-memory.dmp

Filesize
40KB

Download
memory/4676-0-0x00000000747B0000-0x0000000074F60000-memory.dmp

Filesize
7.7MB

Download
memory/4676-4-0x0000000004F30000-0x0000000004F40000-memory.dmp

Filesize
64KB

Download
memory/4676-1-0x0000000000510000-0x00000000005AE000-memory.dmp

Filesize
632KB

Download
memory/4676-3-0x0000000004FC0000-0x0000000005052000-memory.dmp

Filesize
584KB

Download
memory/4676-12-0x0000000004F30000-0x0000000004F40000-memory.dmp

Filesize
64KB

Download
memory/4676-11-0x00000000747B0000-0x0000000074F60000-memory.dmp

Filesize
7.7MB

Download
memory/4676-6-0x0000000005290000-0x000000000532C000-memory.dmp

Filesize
624KB

Download
memory/4676-8-0x0000000005240000-0x0000000005248000-memory.dmp

Filesize
32KB

Download
memory/4676-2-0x0000000005570000-0x0000000005B14000-memory.dmp

Filesize
5.6MB

Download
memory/4676-10-0x00000000065A0000-0x0000000006600000-memory.dmp

Filesize
384KB

Download
memory/4676-29-0x00000000747B0000-0x0000000074F60000-memory.dmp

Filesize
7.7MB

Download
memory/4676-9-0x0000000005260000-0x000000000526A000-memory.dmp

Filesize
40KB

Download
memory/4676-7-0x0000000005230000-0x0000000005246000-memory.dmp

Filesize
88KB

Download
memory/4744-40-0x0000000005760000-0x0000000005770000-memory.dmp

Filesize
64KB

Download
memory/4744-27-0x00000000747B0000-0x0000000074F60000-memory.dmp

Filesize
7.7MB

Download
memory/4744-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4744-70-0x00000000747B0000-0x0000000074F60000-memory.dmp

Filesize
7.7MB

Download
memory/4744-71-0x0000000005760000-0x0000000005770000-memory.dmp

Filesize
64KB

Download
memory/4744-72-0x0000000006B30000-0x0000000006B80000-memory.dmp

Filesize
320KB

Download
memory/4744-73-0x0000000006D50000-0x0000000006F12000-memory.dmp

Filesize
1.8MB

Download
memory/4744-74-0x0000000007450000-0x000000000797C000-memory.dmp

Filesize
5.2MB

Download