snakekeylogger | c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29

Resubmissions

19-11-2024 15:26

241119-st7zrssnbj 10

19-11-2024 05:53

241119-glqvqs1hrj 10

Analysis

max time kernel
120s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 05:53

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General

Target

c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
Size

620KB
MD5

8f6d690e119684b1629d41f97b83fb23
SHA1

46efdb7ae7079a781723d75e390431aa4c6080e5
SHA256

c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29
SHA512

aa25c86da804170e08f3e4d5d64d7d07007bee539b26b27bc39476de4f99fca8fc0d7eaa3854556d004217982ab36c83f8f15bb21cbf1ffcc382edd911631d9c
SSDEEP

12288:bMVmiWX9OeYHC89ljwRbfWwtODSyaAXd1mA1Ak6OsgSb4VqU+H4o5zBFtyakR:gTONYHFvjwRzCxXd1mvOsH6eYoLy5

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1780-31-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1780-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1780-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1780-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1780-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2644	powershell.exe
2744	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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.

flow	ioc
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 1780	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	38

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1140	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
1780	RegSvcs.exe
2644	powershell.exe
2744	powershell.exe
1780	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
Token: SeDebugPrivilege	1780	RegSvcs.exe
Token: SeDebugPrivilege	2644	powershell.exe
Token: SeDebugPrivilege	2744	powershell.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2644	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	31
PID 2156 wrote to memory of 2644	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	31
PID 2156 wrote to memory of 2644	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	31
PID 2156 wrote to memory of 2644	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	31
PID 2156 wrote to memory of 2744	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	33
PID 2156 wrote to memory of 2744	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	33
PID 2156 wrote to memory of 2744	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	33
PID 2156 wrote to memory of 2744	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	33
PID 2156 wrote to memory of 1140	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	35
PID 2156 wrote to memory of 1140	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	35
PID 2156 wrote to memory of 1140	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	35
PID 2156 wrote to memory of 1140	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	35
PID 2156 wrote to memory of 1952	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	37
PID 2156 wrote to memory of 1952	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	37
PID 2156 wrote to memory of 1952	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	37
PID 2156 wrote to memory of 1952	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	37
PID 2156 wrote to memory of 1952	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	37
PID 2156 wrote to memory of 1952	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	37
PID 2156 wrote to memory of 1952	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	37
PID 2156 wrote to memory of 1780	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	38
PID 2156 wrote to memory of 1780	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	38
PID 2156 wrote to memory of 1780	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	38
PID 2156 wrote to memory of 1780	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	38
PID 2156 wrote to memory of 1780	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	38
PID 2156 wrote to memory of 1780	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	38
PID 2156 wrote to memory of 1780	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	38
PID 2156 wrote to memory of 1780	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	38
PID 2156 wrote to memory of 1780	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	38
PID 2156 wrote to memory of 1780	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	38
PID 2156 wrote to memory of 1780	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	38
PID 2156 wrote to memory of 1780	2156	c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe	38

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe
"C:\Users\Admin\AppData\Local\Temp\c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156
- 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\c997ad9cac5cb1cfc050a066e275aae6a540443075b2641ca19331b3f065ee29.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2644
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lyKbfEsVYfQfU.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2744
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lyKbfEsVYfQfU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E38.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1140
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1952
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3E38.tmp

Filesize
1KB

MD5
b09e1514ff01ca6c1471255dc9802439

SHA1
5d19707e17a7ed62ff6fb2a25cda5ad0c3471ee1

SHA256
2c986789c759a72e226e19968e726f6f80b710d215e7e3d73c00b25f3875b606

SHA512
ab0ee374ef1d28b9b55c9a8724baa30a578cfda27106438de14cbd8cd577046ddadaf8240e08bbfe0927948934a4d928a6b54e1f7eab4a8a3e7358e3c9aaadc1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\CLWKCDS5YJIPOSBGYRD6.temp

Filesize
7KB

MD5
8d4f5c641976ac1cb223c8989e9127ba

SHA1
df335e1d51a2b35ffd89e0ea5818ec7dcf4011fe

SHA256
444c35f49d5193a70e586b08c77014d1d9dfee41556e5a41ff047b7446826a18

SHA512
0ddc9b7eb0c0a2a0ffe93c39e452300f60f82134b3382b797f13e5b0d46fbdeb1f02af0dc4aa95ee36bf6169293a55919f3efabffb276a7479313b46c2a00f56

Download Submit
memory/1780-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1780-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1780-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1780-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1780-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1780-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1780-31-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1780-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2156-6-0x00000000053C0000-0x000000000542C000-memory.dmp

Filesize
432KB

Download
memory/2156-1-0x0000000000830000-0x00000000008CC000-memory.dmp

Filesize
624KB

Download
memory/2156-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/2156-2-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2156-3-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/2156-5-0x00000000004E0000-0x00000000004F2000-memory.dmp

Filesize
72KB

Download
memory/2156-4-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2156-32-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download