snakekeylogger | d275df9764628c52330d1cfcfe1e3c3eba4b29d536c825515128be883158c653

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-10-2024 12:39

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General

Target

tax-invoice-0711.exe
Size

526KB
MD5

d25d303ca9ec88e005cbab9f35d4d210
SHA1

3c037df248b5b25e139cc7fc6142e6cd371446a3
SHA256

dcf3ebaa281f05217097685b485ab9b56711ed87679cf755ee82ebfa4479c01e
SHA512

fe416e58f5f32c7807bba84bd3c33376130a841e89afc7b4c3fd10d38c779d1fb1636a4f85501d69e99e8b9aca06ec65538667daa64ccdb259522e584feb00c1
SSDEEP

12288:xf0D4BQWzdAUxsfSWSLne4ZdzkpnRmkYwhX83X4Nu1jW:xhQQZxmoze47KRmkYwxmXk6S

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot6515689087:AAEnerpIS1xuf83Wz7mf2-PPkvlmor9Mt7U/sendMessage?chat_id=1015404316

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2496-46-0x0000000000400000-0x0000000000426000-memory.dmp	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
2532	powershell.exe
1136	powershell.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	tax-invoice-0711.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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
14	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 544 set thread context of 2496	544	tax-invoice-0711.exe	91

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	tax-invoice-0711.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
4740	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
544	tax-invoice-0711.exe
2532	powershell.exe
1136	powershell.exe
544	tax-invoice-0711.exe
2496	RegSvcs.exe
1136	powershell.exe
2532	powershell.exe
2496	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	544	tax-invoice-0711.exe
Token: SeDebugPrivilege	2532	powershell.exe
Token: SeDebugPrivilege	1136	powershell.exe
Token: SeDebugPrivilege	2496	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 2532	544	tax-invoice-0711.exe	85
PID 544 wrote to memory of 2532	544	tax-invoice-0711.exe	85
PID 544 wrote to memory of 2532	544	tax-invoice-0711.exe	85
PID 544 wrote to memory of 1136	544	tax-invoice-0711.exe	87
PID 544 wrote to memory of 1136	544	tax-invoice-0711.exe	87
PID 544 wrote to memory of 1136	544	tax-invoice-0711.exe	87
PID 544 wrote to memory of 4740	544	tax-invoice-0711.exe	89
PID 544 wrote to memory of 4740	544	tax-invoice-0711.exe	89
PID 544 wrote to memory of 4740	544	tax-invoice-0711.exe	89
PID 544 wrote to memory of 2496	544	tax-invoice-0711.exe	91
PID 544 wrote to memory of 2496	544	tax-invoice-0711.exe	91
PID 544 wrote to memory of 2496	544	tax-invoice-0711.exe	91
PID 544 wrote to memory of 2496	544	tax-invoice-0711.exe	91
PID 544 wrote to memory of 2496	544	tax-invoice-0711.exe	91
PID 544 wrote to memory of 2496	544	tax-invoice-0711.exe	91
PID 544 wrote to memory of 2496	544	tax-invoice-0711.exe	91
PID 544 wrote to memory of 2496	544	tax-invoice-0711.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\tax-invoice-0711.exe
"C:\Users\Admin\AppData\Local\Temp\tax-invoice-0711.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544
- 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\tax-invoice-0711.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2532
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xPtoEZCT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1136
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xPtoEZCT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE85C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4740
- 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:2496

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

Query Registry

T1012

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
8a1a5225c36e585f3919117716f62b91

SHA1
6c43e2dedd6fd86acaed5149dd30cb0227e84ad3

SHA256
defd6ac562c4b4950f7b1562b120eb2e7428a7869bbcdbe2f576b3ee0bf10e40

SHA512
19e4569dc85eb125769a98937eb584fa4beef4022a04e6fd2a29b505f09ec1b28ab1f5bd16589bce9f959a70093df9b27b194a53f5081712a7886870928a1f19

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ll3afh42.lhx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE85C.tmp

Filesize
1KB

MD5
bb0e6f11d6a05e3d58222e55288db49d

SHA1
26c310e6982181206b346b6e1e33341f2cc1d16a

SHA256
25dadb8a822c97ee73703dc7842e3276afb64ae7a1dcf581077404ea94255c30

SHA512
cca63fa41c4b4621064d68d3da11b84e7799b1307fdbf0322c3ca262d55099559fed5e4d08d67c10faf81ebb641a4c944fa3e6580c55cfcc3c8ed7cb1b269f9d

Download Submit
memory/544-8-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/544-5-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/544-6-0x0000000006170000-0x0000000006188000-memory.dmp

Filesize
96KB

Download
memory/544-7-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/544-4-0x0000000004A90000-0x0000000004A9A000-memory.dmp

Filesize
40KB

Download
memory/544-9-0x0000000005D10000-0x0000000005D78000-memory.dmp

Filesize
416KB

Download
memory/544-10-0x00000000085B0000-0x000000000864C000-memory.dmp

Filesize
624KB

Download
memory/544-48-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/544-0-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/544-3-0x0000000004AC0000-0x0000000004B52000-memory.dmp

Filesize
584KB

Download
memory/544-2-0x0000000004FD0000-0x0000000005574000-memory.dmp

Filesize
5.6MB

Download
memory/544-1-0x0000000000040000-0x00000000000CA000-memory.dmp

Filesize
552KB

Download
memory/1136-20-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/1136-51-0x0000000006E70000-0x0000000006EA2000-memory.dmp

Filesize
200KB

Download
memory/1136-82-0x0000000007ED0000-0x0000000007ED8000-memory.dmp

Filesize
32KB

Download
memory/1136-81-0x0000000007EF0000-0x0000000007F0A000-memory.dmp

Filesize
104KB

Download
memory/1136-22-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/1136-89-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/1136-26-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/1136-75-0x00000000081F0000-0x000000000886A000-memory.dmp

Filesize
6.5MB

Download
memory/1136-80-0x0000000007DF0000-0x0000000007E04000-memory.dmp

Filesize
80KB

Download
memory/1136-52-0x0000000071B40000-0x0000000071B8C000-memory.dmp

Filesize
304KB

Download
memory/1136-76-0x0000000007C20000-0x0000000007C2A000-memory.dmp

Filesize
40KB

Download
memory/1136-49-0x0000000006890000-0x00000000068AE000-memory.dmp

Filesize
120KB

Download
memory/1136-50-0x0000000006920000-0x000000000696C000-memory.dmp

Filesize
304KB

Download
memory/1136-73-0x0000000007A80000-0x0000000007B23000-memory.dmp

Filesize
652KB

Download
memory/2496-91-0x0000000006300000-0x00000000064C2000-memory.dmp

Filesize
1.8MB

Download
memory/2496-46-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2496-90-0x00000000060E0000-0x0000000006130000-memory.dmp

Filesize
320KB

Download
memory/2532-16-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/2532-74-0x00000000077E0000-0x00000000077FA000-memory.dmp

Filesize
104KB

Download
memory/2532-72-0x0000000006AB0000-0x0000000006ACE000-memory.dmp

Filesize
120KB

Download
memory/2532-53-0x0000000071B40000-0x0000000071B8C000-memory.dmp

Filesize
304KB

Download
memory/2532-77-0x0000000007A60000-0x0000000007AF6000-memory.dmp

Filesize
600KB

Download
memory/2532-78-0x00000000079E0000-0x00000000079F1000-memory.dmp

Filesize
68KB

Download
memory/2532-79-0x0000000007A10000-0x0000000007A1E000-memory.dmp

Filesize
56KB

Download
memory/2532-33-0x0000000005F00000-0x0000000006254000-memory.dmp

Filesize
3.3MB

Download
memory/2532-23-0x00000000056A0000-0x0000000005706000-memory.dmp

Filesize
408KB

Download
memory/2532-25-0x0000000005E90000-0x0000000005EF6000-memory.dmp

Filesize
408KB

Download
memory/2532-21-0x0000000005600000-0x0000000005622000-memory.dmp

Filesize
136KB

Download
memory/2532-19-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/2532-18-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/2532-88-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/2532-17-0x00000000057B0000-0x0000000005DD8000-memory.dmp

Filesize
6.2MB

Download
memory/2532-15-0x0000000002B80000-0x0000000002BB6000-memory.dmp

Filesize
216KB

Download