snakekeylogger | c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff

General

Target

c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe
Size

692KB
MD5

f0683bb61a43a8dd7061dbd8ee3af88b
SHA1

c94587218dc3ce9bd66e7ebe23c720ca50afd989
SHA256

c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff
SHA512

7bc496ee73cbc6d5fa86edde2154c50cdc2aedc50fb98f368fecb30294888e1a59ec507d23a4b5b4ab2dee5dad22ea868caaea2e1b56d7e76f70b57567a5e2d7
SSDEEP

12288:x8avfjKnHHYHq03Lytq3SRlW5cY26RTTmsp2TDNJ0/el69Q01ZLkrai9i+Plb5py:x8ef8HCbB2W57/TTmq2TDNJ0mM9NipgH

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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1116-22-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1116-24-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1116-26-0x0000000000400000-0x0000000000424000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2460 svchost.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

2716 cmd.exe

pid	process
2460	svchost.exe

pid	process
2716	cmd.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:

jsc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.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

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

Processes:

svchost.exe

description pid process target process

PID 2460 set thread context of 1116 2460 svchost.exe jsc.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

2936 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2780 timeout.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 2460 set thread context of 1116	2460	svchost.exe	jsc.exe

pid	process
2936	schtasks.exe

pid	process
2780	timeout.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exesvchost.exejsc.exepowershell.exe

pid	process
2244	c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe
2244	c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe
2460	svchost.exe
2460	svchost.exe
2460	svchost.exe
2460	svchost.exe
1116	jsc.exe
2428	powershell.exe
1116	jsc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exesvchost.exejsc.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2244	c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe
Token: SeDebugPrivilege	2460	svchost.exe
Token: SeDebugPrivilege	1116	jsc.exe
Token: SeDebugPrivilege	2428	powershell.exe

Suspicious use of WriteProcessMemory 41 IoCs

Processes:

c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.execmd.execmd.exesvchost.exe

description	pid	process	target process
PID 2244 wrote to memory of 2340	2244	c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe	cmd.exe
PID 2244 wrote to memory of 2340	2244	c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe	cmd.exe
PID 2244 wrote to memory of 2340	2244	c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe	cmd.exe
PID 2244 wrote to memory of 2340	2244	c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe	cmd.exe
PID 2244 wrote to memory of 2716	2244	c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe	cmd.exe
PID 2244 wrote to memory of 2716	2244	c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe	cmd.exe
PID 2244 wrote to memory of 2716	2244	c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe	cmd.exe
PID 2244 wrote to memory of 2716	2244	c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe	cmd.exe
PID 2340 wrote to memory of 2936	2340	cmd.exe	schtasks.exe
PID 2340 wrote to memory of 2936	2340	cmd.exe	schtasks.exe
PID 2340 wrote to memory of 2936	2340	cmd.exe	schtasks.exe
PID 2340 wrote to memory of 2936	2340	cmd.exe	schtasks.exe
PID 2716 wrote to memory of 2780	2716	cmd.exe	timeout.exe
PID 2716 wrote to memory of 2780	2716	cmd.exe	timeout.exe
PID 2716 wrote to memory of 2780	2716	cmd.exe	timeout.exe
PID 2716 wrote to memory of 2780	2716	cmd.exe	timeout.exe
PID 2716 wrote to memory of 2460	2716	cmd.exe	svchost.exe
PID 2716 wrote to memory of 2460	2716	cmd.exe	svchost.exe
PID 2716 wrote to memory of 2460	2716	cmd.exe	svchost.exe
PID 2716 wrote to memory of 2460	2716	cmd.exe	svchost.exe
PID 2460 wrote to memory of 2428	2460	svchost.exe	powershell.exe
PID 2460 wrote to memory of 2428	2460	svchost.exe	powershell.exe
PID 2460 wrote to memory of 2428	2460	svchost.exe	powershell.exe
PID 2460 wrote to memory of 2428	2460	svchost.exe	powershell.exe
PID 2460 wrote to memory of 2504	2460	svchost.exe	aspnet_compiler.exe
PID 2460 wrote to memory of 2504	2460	svchost.exe	aspnet_compiler.exe
PID 2460 wrote to memory of 2504	2460	svchost.exe	aspnet_compiler.exe
PID 2460 wrote to memory of 2504	2460	svchost.exe	aspnet_compiler.exe
PID 2460 wrote to memory of 2552	2460	svchost.exe	aspnet_wp.exe
PID 2460 wrote to memory of 2552	2460	svchost.exe	aspnet_wp.exe
PID 2460 wrote to memory of 2552	2460	svchost.exe	aspnet_wp.exe
PID 2460 wrote to memory of 2552	2460	svchost.exe	aspnet_wp.exe
PID 2460 wrote to memory of 1116	2460	svchost.exe	jsc.exe
PID 2460 wrote to memory of 1116	2460	svchost.exe	jsc.exe
PID 2460 wrote to memory of 1116	2460	svchost.exe	jsc.exe
PID 2460 wrote to memory of 1116	2460	svchost.exe	jsc.exe
PID 2460 wrote to memory of 1116	2460	svchost.exe	jsc.exe
PID 2460 wrote to memory of 1116	2460	svchost.exe	jsc.exe
PID 2460 wrote to memory of 1116	2460	svchost.exe	jsc.exe
PID 2460 wrote to memory of 1116	2460	svchost.exe	jsc.exe
PID 2460 wrote to memory of 1116	2460	svchost.exe	jsc.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:

jsc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

outlook_win_path 1 IoCs

Processes:

jsc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

C:\Users\Admin\AppData\Local\Temp\c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe
"C:\Users\Admin\AppData\Local\Temp\c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244

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:2340

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:2936

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp6BFC.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2716

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:2780

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2460

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:2428

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
4⤵
PID:2504

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
4⤵
PID:2552

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
4⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6BFC.tmp.bat

Filesize
151B

MD5
45abcae9685213431296cff9f2c97bd1

SHA1
3fbd47b4cb0924df4ff4800c1e92920bf712a254

SHA256
794e2d39fb2fb12a3289f00fbb97a0eed65ff750ab2864ebf2d00b2f4b4a87b7

SHA512
9e638239e9af5f2506c89129335a1184399d0fb9e27fe56d97cc38d1e6bd853853a798d262fc8c86f615237e42897e56f7e23b6a25812a4e795b909a1ef6dc5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6BFC.tmp.bat

Filesize
151B

MD5
45abcae9685213431296cff9f2c97bd1

SHA1
3fbd47b4cb0924df4ff4800c1e92920bf712a254

SHA256
794e2d39fb2fb12a3289f00fbb97a0eed65ff750ab2864ebf2d00b2f4b4a87b7

SHA512
9e638239e9af5f2506c89129335a1184399d0fb9e27fe56d97cc38d1e6bd853853a798d262fc8c86f615237e42897e56f7e23b6a25812a4e795b909a1ef6dc5d

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

Filesize
692KB

MD5
f0683bb61a43a8dd7061dbd8ee3af88b

SHA1
c94587218dc3ce9bd66e7ebe23c720ca50afd989

SHA256
c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff

SHA512
7bc496ee73cbc6d5fa86edde2154c50cdc2aedc50fb98f368fecb30294888e1a59ec507d23a4b5b4ab2dee5dad22ea868caaea2e1b56d7e76f70b57567a5e2d7

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

Filesize
692KB

MD5
f0683bb61a43a8dd7061dbd8ee3af88b

SHA1
c94587218dc3ce9bd66e7ebe23c720ca50afd989

SHA256
c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff

SHA512
7bc496ee73cbc6d5fa86edde2154c50cdc2aedc50fb98f368fecb30294888e1a59ec507d23a4b5b4ab2dee5dad22ea868caaea2e1b56d7e76f70b57567a5e2d7

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

Filesize
692KB

MD5
f0683bb61a43a8dd7061dbd8ee3af88b

SHA1
c94587218dc3ce9bd66e7ebe23c720ca50afd989

SHA256
c9f2aae3eae18a283ef2a868116c01d80c9e0e9588ae125c7e842f928d31acff

SHA512
7bc496ee73cbc6d5fa86edde2154c50cdc2aedc50fb98f368fecb30294888e1a59ec507d23a4b5b4ab2dee5dad22ea868caaea2e1b56d7e76f70b57567a5e2d7

Download Submit
memory/1116-24-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1116-22-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1116-31-0x00000000043C0000-0x0000000004400000-memory.dmp

Filesize
256KB

Download
memory/1116-27-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/1116-26-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1116-36-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-2-0x00000000048D0000-0x0000000004910000-memory.dmp

Filesize
256KB

Download
memory/2244-0-0x0000000074B50000-0x000000007523E000-memory.dmp

Filesize
6.9MB

Download
memory/2244-1-0x0000000000030000-0x00000000000E2000-memory.dmp

Filesize
712KB

Download
memory/2244-4-0x0000000000490000-0x00000000004AA000-memory.dmp

Filesize
104KB

Download
memory/2244-3-0x00000000047F0000-0x0000000004860000-memory.dmp

Filesize
448KB

Download
memory/2244-14-0x0000000074B50000-0x000000007523E000-memory.dmp

Filesize
6.9MB

Download
memory/2428-32-0x0000000070380000-0x000000007092B000-memory.dmp

Filesize
5.7MB

Download
memory/2428-34-0x0000000002570000-0x00000000025B0000-memory.dmp

Filesize
256KB

Download
memory/2428-35-0x0000000070380000-0x000000007092B000-memory.dmp

Filesize
5.7MB

Download
memory/2428-33-0x0000000070380000-0x000000007092B000-memory.dmp

Filesize
5.7MB

Download
memory/2460-18-0x0000000000130000-0x00000000001E2000-memory.dmp

Filesize
712KB

Download
memory/2460-28-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/2460-21-0x00000000006F0000-0x000000000070A000-memory.dmp

Filesize
104KB

Download
memory/2460-20-0x0000000004B20000-0x0000000004B60000-memory.dmp

Filesize
256KB

Download
memory/2460-19-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads