snakekeylogger | 1d7069432d20883d8bf613e91d3a78de608bb7e7fa2b6daf1252e5da9a717ba2

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2023 16:37

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General

Target

ekstre.exe
Size

628KB
MD5

7eec1e611d996a5f2792c9778da882bc
SHA1

90b7ad77edd7e61499d8e0160490bce4c9366934
SHA256

1d7069432d20883d8bf613e91d3a78de608bb7e7fa2b6daf1252e5da9a717ba2
SHA512

3bcb54831392b6b6c0c976f4c9940590e0095d14859d02a639a0908ef131039d323f5601a142196c47e6d43f473f3fd8999b47c79f247380660e1eb413b91bea
SSDEEP

12288:QWOTNXc3hEunBAFnSuBVZ60SwMPAF98gb8X+SHucpVHGH:332uBqSu9FHMPAF76+SLVHG

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.alupanorama.com.my
Port:
587
Username:
[email protected]
Password:
t9&KsFB5dPgV
Email To:
[email protected]

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/2920-47-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral2/memory/2920-100-0x00000000032C0000-0x00000000032D0000-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:

ekstre.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Control Panel\International\Geo\Nation ekstre.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-1-5-21-1114462139-3090196418-29517368-1000\Control Panel\International\Geo\Nation	ekstre.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

ekstre.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ekstre.exe
Key opened	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ekstre.exe
Key opened	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ekstre.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

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

Processes:

ekstre.exe

description pid process target process

PID 1680 set thread context of 2920 1680 ekstre.exe ekstre.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

3220 schtasks.exe

flow	ioc
89	checkip.dyndns.org

description	pid	process	target process
PID 1680 set thread context of 2920	1680	ekstre.exe	ekstre.exe

pid	process
3220	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

ekstre.exepowershell.exepowershell.exeekstre.exe

pid	process
1680	ekstre.exe
1680	ekstre.exe
1680	ekstre.exe
1680	ekstre.exe
1680	ekstre.exe
3640	powershell.exe
3640	powershell.exe
3880	powershell.exe
3880	powershell.exe
1680	ekstre.exe
1680	ekstre.exe
1680	ekstre.exe
1680	ekstre.exe
1680	ekstre.exe
2920	ekstre.exe
2920	ekstre.exe
3640	powershell.exe
3880	powershell.exe
2920	ekstre.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

ekstre.exepowershell.exepowershell.exeekstre.exe

description	pid	process
Token: SeDebugPrivilege	1680	ekstre.exe
Token: SeDebugPrivilege	3880	powershell.exe
Token: SeDebugPrivilege	3640	powershell.exe
Token: SeDebugPrivilege	2920	ekstre.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

ekstre.exe

description	pid	process	target process
PID 1680 wrote to memory of 3880	1680	ekstre.exe	powershell.exe
PID 1680 wrote to memory of 3880	1680	ekstre.exe	powershell.exe
PID 1680 wrote to memory of 3880	1680	ekstre.exe	powershell.exe
PID 1680 wrote to memory of 3640	1680	ekstre.exe	powershell.exe
PID 1680 wrote to memory of 3640	1680	ekstre.exe	powershell.exe
PID 1680 wrote to memory of 3640	1680	ekstre.exe	powershell.exe
PID 1680 wrote to memory of 3220	1680	ekstre.exe	schtasks.exe
PID 1680 wrote to memory of 3220	1680	ekstre.exe	schtasks.exe
PID 1680 wrote to memory of 3220	1680	ekstre.exe	schtasks.exe
PID 1680 wrote to memory of 3908	1680	ekstre.exe	ekstre.exe
PID 1680 wrote to memory of 3908	1680	ekstre.exe	ekstre.exe
PID 1680 wrote to memory of 3908	1680	ekstre.exe	ekstre.exe
PID 1680 wrote to memory of 4672	1680	ekstre.exe	ekstre.exe
PID 1680 wrote to memory of 4672	1680	ekstre.exe	ekstre.exe
PID 1680 wrote to memory of 4672	1680	ekstre.exe	ekstre.exe
PID 1680 wrote to memory of 2920	1680	ekstre.exe	ekstre.exe
PID 1680 wrote to memory of 2920	1680	ekstre.exe	ekstre.exe
PID 1680 wrote to memory of 2920	1680	ekstre.exe	ekstre.exe
PID 1680 wrote to memory of 2920	1680	ekstre.exe	ekstre.exe
PID 1680 wrote to memory of 2920	1680	ekstre.exe	ekstre.exe
PID 1680 wrote to memory of 2920	1680	ekstre.exe	ekstre.exe
PID 1680 wrote to memory of 2920	1680	ekstre.exe	ekstre.exe
PID 1680 wrote to memory of 2920	1680	ekstre.exe	ekstre.exe

outlook_office_path 1 IoCs

Processes:

ekstre.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ekstre.exe

outlook_win_path 1 IoCs

Processes:

ekstre.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ekstre.exe

C:\Users\Admin\AppData\Local\Temp\ekstre.exe
"C:\Users\Admin\AppData\Local\Temp\ekstre.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ekstre.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3880

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PjzCeIhiuryZzE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3640

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PjzCeIhiuryZzE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp347.tmp"
2⤵
- Creates scheduled task(s)
PID:3220

C:\Users\Admin\AppData\Local\Temp\ekstre.exe
"C:\Users\Admin\AppData\Local\Temp\ekstre.exe"
2⤵
PID:3908

C:\Users\Admin\AppData\Local\Temp\ekstre.exe
"C:\Users\Admin\AppData\Local\Temp\ekstre.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2920

C:\Users\Admin\AppData\Local\Temp\ekstre.exe
"C:\Users\Admin\AppData\Local\Temp\ekstre.exe"
2⤵
PID:4672

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\ekstre.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
85f0fc32b4a3a4cfa2757ea6d7295d5d

SHA1
ab2e73bba345a9228ff153d0c92e1d132184d344

SHA256
db39b86ceba66e581c9892e54b6e112d089c024d3a7143444d617343f8d5bdb2

SHA512
60adb6b163ff3f1a90820c6c01e32273c5672bf6eaee6a0065b97ca598b661ab33d1cef877ffcc2f0b6b0e38b7f3741612c908c0f899fa20f882ee4b079317b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wcixfdaz.ihn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp347.tmp

Filesize
1KB

MD5
f2616dd3e209d5e2cd45b400a73c46d8

SHA1
1f232d7586795529ccca8de863913d895f7305ab

SHA256
5617e0cd82d42e87fefd2e322412bd60f4b1a586dbe731ab5473159f39a10da7

SHA512
0820793441a7db90d9aba122a0c9992a5c70b542f18e1914ef6cb206ef07b6ef232f79fa45a9b09efedebd3f496bd2131cdf6aac159b22247aab016cdae62473

Download Submit
memory/1680-8-0x0000000005950000-0x00000000059B0000-memory.dmp

Filesize
384KB

Download
memory/1680-6-0x0000000004CE0000-0x0000000004CF6000-memory.dmp

Filesize
88KB

Download
memory/1680-7-0x0000000004D00000-0x0000000004D0A000-memory.dmp

Filesize
40KB

Download
memory/1680-5-0x0000000004CF0000-0x0000000004CFA000-memory.dmp

Filesize
40KB

Download
memory/1680-9-0x0000000006C90000-0x0000000006D2C000-memory.dmp

Filesize
624KB

Download
memory/1680-10-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/1680-15-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

Filesize
64KB

Download
memory/1680-51-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/1680-1-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/1680-4-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

Filesize
64KB

Download
memory/1680-3-0x0000000004C20000-0x0000000004CB2000-memory.dmp

Filesize
584KB

Download
memory/1680-2-0x00000000052D0000-0x0000000005874000-memory.dmp

Filesize
5.6MB

Download
memory/1680-0-0x00000000001A0000-0x0000000000242000-memory.dmp

Filesize
648KB

Download
memory/2920-52-0x00000000032C0000-0x00000000032D0000-memory.dmp

Filesize
64KB

Download
memory/2920-47-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2920-100-0x00000000032C0000-0x00000000032D0000-memory.dmp

Filesize
64KB

Download
memory/2920-50-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/2920-98-0x0000000006DF0000-0x0000000006FB2000-memory.dmp

Filesize
1.8MB

Download
memory/2920-99-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/2920-97-0x0000000006AD0000-0x0000000006B20000-memory.dmp

Filesize
320KB

Download
memory/3640-19-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/3640-87-0x0000000007B90000-0x0000000007BA4000-memory.dmp

Filesize
80KB

Download
memory/3640-26-0x0000000005F00000-0x0000000005F66000-memory.dmp

Filesize
408KB

Download
memory/3640-95-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/3640-24-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/3640-82-0x0000000007930000-0x000000000794A000-memory.dmp

Filesize
104KB

Download
memory/3640-89-0x0000000007C70000-0x0000000007C78000-memory.dmp

Filesize
32KB

Download
memory/3640-20-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/3640-55-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/3640-86-0x0000000007B80000-0x0000000007B8E000-memory.dmp

Filesize
56KB

Download
memory/3640-57-0x000000007F890000-0x000000007F8A0000-memory.dmp

Filesize
64KB

Download
memory/3640-58-0x00000000077D0000-0x0000000007802000-memory.dmp

Filesize
200KB

Download
memory/3640-85-0x0000000007B30000-0x0000000007B41000-memory.dmp

Filesize
68KB

Download
memory/3640-59-0x0000000070B90000-0x0000000070BDC000-memory.dmp

Filesize
304KB

Download
memory/3640-79-0x0000000006BD0000-0x0000000006BEE000-memory.dmp

Filesize
120KB

Download
memory/3640-84-0x0000000007BB0000-0x0000000007C46000-memory.dmp

Filesize
600KB

Download
memory/3880-17-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/3880-81-0x0000000008240000-0x00000000088BA000-memory.dmp

Filesize
6.5MB

Download
memory/3880-83-0x0000000007920000-0x000000000792A000-memory.dmp

Filesize
40KB

Download
memory/3880-80-0x00000000077E0000-0x0000000007883000-memory.dmp

Filesize
652KB

Download
memory/3880-60-0x0000000070B90000-0x0000000070BDC000-memory.dmp

Filesize
304KB

Download
memory/3880-56-0x0000000005320000-0x0000000005330000-memory.dmp

Filesize
64KB

Download
memory/3880-54-0x0000000006D80000-0x0000000006DCC000-memory.dmp

Filesize
304KB

Download
memory/3880-88-0x0000000007E90000-0x0000000007EAA000-memory.dmp

Filesize
104KB

Download
memory/3880-53-0x0000000006820000-0x000000000683E000-memory.dmp

Filesize
120KB

Download
memory/3880-42-0x00000000061D0000-0x0000000006524000-memory.dmp

Filesize
3.3MB

Download
memory/3880-27-0x0000000006100000-0x0000000006166000-memory.dmp

Filesize
408KB

Download
memory/3880-25-0x00000000057B0000-0x00000000057D2000-memory.dmp

Filesize
136KB

Download
memory/3880-96-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/3880-21-0x0000000005320000-0x0000000005330000-memory.dmp

Filesize
64KB

Download
memory/3880-23-0x0000000005320000-0x0000000005330000-memory.dmp

Filesize
64KB

Download
memory/3880-18-0x0000000005960000-0x0000000005F88000-memory.dmp

Filesize
6.2MB

Download
memory/3880-16-0x00000000051B0000-0x00000000051E6000-memory.dmp

Filesize
216KB

Download