snakekeylogger | ed8cfc8dd9908228257dec0b030319c9def084575bd9d0cfab58bdb0f84239da

Analysis

max time kernel
182s
max time network
196s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2023 14:17

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General

Target

21092023.exe
Size

1.0MB
MD5

2adc2be8ef4b654152194a3796e6b8b5
SHA1

a18cca8454ab68afc6cb9468ac6f6a2cd346f6ab
SHA256

c95ab1148740d3e9c48d27281fdeaab2922f9862a80398a006d333a86d852acb
SHA512

bb2ddb06a646ede69d6a14266dc5c87e49b5bcaadd0387b53563b43bbad57d03401ec521c86099015f0825716024460d65fc4c5e7f9fe282de053382809a19b5
SSDEEP

24576:t8TlJceTIVdxxhi5j/AuqQmwAotLk3y+mAR9M:t8ff07iRPAcLkh9M

Score

10^/10

snakekeylogger collection evasion keylogger persistence stealer trojan

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.gkas.com.tr
Port:
587
Username:
[email protected]
Password:
Gkasteknik@2022

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/3544-19-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger

UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

svchost.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

21092023.exesvchost.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	21092023.exe
Key value queried	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2152 svchost.exe

pid	process
2152	svchost.exe

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

ilasm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ilasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ilasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ilasm.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

21092023.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	21092023.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.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

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

Processes:

svchost.exe

description pid process target process

PID 2152 set thread context of 3544 2152 svchost.exe ilasm.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

4656 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3712 timeout.exe

flow	ioc
51	checkip.dyndns.org

description	pid	process	target process
PID 2152 set thread context of 3544	2152	svchost.exe	ilasm.exe

pid	process
4656	schtasks.exe

pid	process
3712	timeout.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

21092023.exeilasm.exepowershell.exe

pid	process
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3584	21092023.exe
3544	ilasm.exe
2384	powershell.exe
3544	ilasm.exe
2384	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

21092023.exesvchost.exeilasm.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3584	21092023.exe
Token: SeDebugPrivilege	2152	svchost.exe
Token: SeDebugPrivilege	3544	ilasm.exe
Token: SeDebugPrivilege	2384	powershell.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

21092023.execmd.execmd.exesvchost.exe

description	pid	process	target process
PID 3584 wrote to memory of 2716	3584	21092023.exe	cmd.exe
PID 3584 wrote to memory of 2716	3584	21092023.exe	cmd.exe
PID 3584 wrote to memory of 2716	3584	21092023.exe	cmd.exe
PID 3584 wrote to memory of 2052	3584	21092023.exe	cmd.exe
PID 3584 wrote to memory of 2052	3584	21092023.exe	cmd.exe
PID 3584 wrote to memory of 2052	3584	21092023.exe	cmd.exe
PID 2052 wrote to memory of 3712	2052	cmd.exe	timeout.exe
PID 2052 wrote to memory of 3712	2052	cmd.exe	timeout.exe
PID 2052 wrote to memory of 3712	2052	cmd.exe	timeout.exe
PID 2716 wrote to memory of 4656	2716	cmd.exe	schtasks.exe
PID 2716 wrote to memory of 4656	2716	cmd.exe	schtasks.exe
PID 2716 wrote to memory of 4656	2716	cmd.exe	schtasks.exe
PID 2052 wrote to memory of 2152	2052	cmd.exe	svchost.exe
PID 2052 wrote to memory of 2152	2052	cmd.exe	svchost.exe
PID 2052 wrote to memory of 2152	2052	cmd.exe	svchost.exe
PID 2152 wrote to memory of 2384	2152	svchost.exe	powershell.exe
PID 2152 wrote to memory of 2384	2152	svchost.exe	powershell.exe
PID 2152 wrote to memory of 2384	2152	svchost.exe	powershell.exe
PID 2152 wrote to memory of 3544	2152	svchost.exe	ilasm.exe
PID 2152 wrote to memory of 3544	2152	svchost.exe	ilasm.exe
PID 2152 wrote to memory of 3544	2152	svchost.exe	ilasm.exe
PID 2152 wrote to memory of 3544	2152	svchost.exe	ilasm.exe
PID 2152 wrote to memory of 3544	2152	svchost.exe	ilasm.exe
PID 2152 wrote to memory of 3544	2152	svchost.exe	ilasm.exe
PID 2152 wrote to memory of 3544	2152	svchost.exe	ilasm.exe
PID 2152 wrote to memory of 3544	2152	svchost.exe	ilasm.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

svchost.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

outlook_office_path 1 IoCs

Processes:

ilasm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ilasm.exe

outlook_win_path 1 IoCs

Processes:

ilasm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ilasm.exe

C:\Users\Admin\AppData\Local\Temp\21092023.exe
"C:\Users\Admin\AppData\Local\Temp\21092023.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3584

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2716

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
3⤵
- Creates scheduled task(s)
PID:4656

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4BAA.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:2052

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:3712

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2152

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2384

C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
4⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pniiarmf.lkb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4BAA.tmp.bat

Filesize
151B

MD5
7b00db147224f5d87370855338e37a77

SHA1
4e38fc1bdae562961c2d1bf469a9f80ec31bc7e1

SHA256
98e194953ea3069673712757a3e6d8b3bf8b826e7115a97a470aab5011e87e91

SHA512
67b06c67632b86c06e8c4b058a45b55215b5c49b0ca1c6866add85dd76441e8d875d8579f49cc8ed0847d3d51b3b37e12ee4f4c0256de30448558c3d964176be

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
1.0MB

MD5
2adc2be8ef4b654152194a3796e6b8b5

SHA1
a18cca8454ab68afc6cb9468ac6f6a2cd346f6ab

SHA256
c95ab1148740d3e9c48d27281fdeaab2922f9862a80398a006d333a86d852acb

SHA512
bb2ddb06a646ede69d6a14266dc5c87e49b5bcaadd0387b53563b43bbad57d03401ec521c86099015f0825716024460d65fc4c5e7f9fe282de053382809a19b5

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
1.0MB

MD5
2adc2be8ef4b654152194a3796e6b8b5

SHA1
a18cca8454ab68afc6cb9468ac6f6a2cd346f6ab

SHA256
c95ab1148740d3e9c48d27281fdeaab2922f9862a80398a006d333a86d852acb

SHA512
bb2ddb06a646ede69d6a14266dc5c87e49b5bcaadd0387b53563b43bbad57d03401ec521c86099015f0825716024460d65fc4c5e7f9fe282de053382809a19b5

Download Submit
memory/2152-25-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/2152-17-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/2384-41-0x0000000006710000-0x000000000672E000-memory.dmp

Filesize
120KB

Download
memory/2384-45-0x0000000006CF0000-0x0000000006D22000-memory.dmp

Filesize
200KB

Download
memory/2384-84-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/2384-81-0x0000000007D70000-0x0000000007D78000-memory.dmp

Filesize
32KB

Download
memory/2384-80-0x0000000007D90000-0x0000000007DAA000-memory.dmp

Filesize
104KB

Download
memory/2384-79-0x0000000007CA0000-0x0000000007CB4000-memory.dmp

Filesize
80KB

Download
memory/2384-78-0x0000000007C90000-0x0000000007C9E000-memory.dmp

Filesize
56KB

Download
memory/2384-73-0x0000000007A70000-0x0000000007A81000-memory.dmp

Filesize
68KB

Download
memory/2384-18-0x0000000005180000-0x00000000051B6000-memory.dmp

Filesize
216KB

Download
memory/2384-20-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/2384-22-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/2384-23-0x00000000057F0000-0x0000000005E18000-memory.dmp

Filesize
6.2MB

Download
memory/2384-71-0x0000000007CD0000-0x0000000007D66000-memory.dmp

Filesize
600KB

Download
memory/2384-24-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/2384-70-0x000000007F780000-0x000000007F790000-memory.dmp

Filesize
64KB

Download
memory/2384-27-0x0000000005750000-0x0000000005772000-memory.dmp

Filesize
136KB

Download
memory/2384-28-0x0000000006050000-0x00000000060B6000-memory.dmp

Filesize
408KB

Download
memory/2384-35-0x0000000006130000-0x0000000006196000-memory.dmp

Filesize
408KB

Download
memory/2384-69-0x0000000007AD0000-0x0000000007ADA000-memory.dmp

Filesize
40KB

Download
memory/2384-68-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/2384-40-0x00000000062A0000-0x00000000065F4000-memory.dmp

Filesize
3.3MB

Download
memory/2384-67-0x00000000079C0000-0x00000000079DA000-memory.dmp

Filesize
104KB

Download
memory/2384-42-0x0000000006760000-0x00000000067AC000-memory.dmp

Filesize
304KB

Download
memory/2384-43-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/2384-44-0x000000007F780000-0x000000007F790000-memory.dmp

Filesize
64KB

Download
memory/2384-66-0x0000000008090000-0x000000000870A000-memory.dmp

Filesize
6.5MB

Download
memory/2384-46-0x0000000070810000-0x000000007085C000-memory.dmp

Filesize
304KB

Download
memory/2384-56-0x0000000006CD0000-0x0000000006CEE000-memory.dmp

Filesize
120KB

Download
memory/2384-57-0x00000000078F0000-0x0000000007993000-memory.dmp

Filesize
652KB

Download
memory/2384-62-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/2384-59-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/2384-61-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3544-60-0x0000000007CD0000-0x0000000007E92000-memory.dmp

Filesize
1.8MB

Download
memory/3544-58-0x0000000007AB0000-0x0000000007B00000-memory.dmp

Filesize
320KB

Download
memory/3544-63-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/3544-64-0x0000000007C10000-0x0000000007C1A000-memory.dmp

Filesize
40KB

Download
memory/3544-65-0x00000000063E0000-0x00000000063F0000-memory.dmp

Filesize
64KB

Download
memory/3544-19-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3544-26-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/3544-29-0x00000000063E0000-0x00000000063F0000-memory.dmp

Filesize
64KB

Download
memory/3584-1-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/3584-0-0x00000000005D0000-0x00000000006D6000-memory.dmp

Filesize
1.0MB

Download
memory/3584-2-0x0000000005100000-0x000000000519C000-memory.dmp

Filesize
624KB

Download
memory/3584-7-0x0000000005070000-0x000000000508A000-memory.dmp

Filesize
104KB

Download
memory/3584-3-0x0000000005AA0000-0x0000000006044000-memory.dmp

Filesize
5.6MB

Download
memory/3584-4-0x00000000055F0000-0x0000000005682000-memory.dmp

Filesize
584KB

Download
memory/3584-5-0x00000000052C0000-0x00000000052D0000-memory.dmp

Filesize
64KB

Download
memory/3584-6-0x00000000051A0000-0x000000000526E000-memory.dmp

Filesize
824KB

Download
memory/3584-12-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download