snakekeylogger | 7b066ceeb76489b6ee174bde0247e50f335338d12a68001b483f8dc7fa487cbe

Analysis

max time kernel
121s
max time network
205s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 04:13

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General

Target

quotation.pdf.exe
Size

584KB
MD5

cae995edd90312264f9faa534874894f
SHA1

2a71f016765dc5fa825ca1f437e1df02c32611a0
SHA256

5226c6707f7f1430f49c6c7cd637375b00004be37d815d82804257a8ca563841
SHA512

6bd8c914fbdc8b04bdf12a8a60eb61324e4e06dfdd7525d29418c861247dda366e367992afd4d285a15b8ca71df5d28ddc1056cb91df3d9d1461c888bce8d594
SSDEEP

12288:HrLfSC/W39Rfyyii2nYUNm8AEr8aNZibViwt5XHF:LLbcyyii2nYUm8AErTsiw5V

Score

10^/10

snakekeylogger collection credential_access discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot6086388911:AAGHpITQe4oLJhzRR86O2JB3Tmd1xG2gIqM/sendMessage?chat_id=1932526247

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2484-45-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
2716	powershell.exe
1860	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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	quotation.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\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
23	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 864 set thread context of 2484	864	quotation.pdf.exe	100

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	quotation.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1860	powershell.exe
2716	powershell.exe
864	quotation.pdf.exe
864	quotation.pdf.exe
1860	powershell.exe
2716	powershell.exe
2484	RegSvcs.exe
2484	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	powershell.exe
Token: SeDebugPrivilege	1860	powershell.exe
Token: SeDebugPrivilege	864	quotation.pdf.exe
Token: SeDebugPrivilege	2484	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 2716	864	quotation.pdf.exe	93
PID 864 wrote to memory of 2716	864	quotation.pdf.exe	93
PID 864 wrote to memory of 2716	864	quotation.pdf.exe	93
PID 864 wrote to memory of 1860	864	quotation.pdf.exe	95
PID 864 wrote to memory of 1860	864	quotation.pdf.exe	95
PID 864 wrote to memory of 1860	864	quotation.pdf.exe	95
PID 864 wrote to memory of 900	864	quotation.pdf.exe	97
PID 864 wrote to memory of 900	864	quotation.pdf.exe	97
PID 864 wrote to memory of 900	864	quotation.pdf.exe	97
PID 864 wrote to memory of 1948	864	quotation.pdf.exe	99
PID 864 wrote to memory of 1948	864	quotation.pdf.exe	99
PID 864 wrote to memory of 1948	864	quotation.pdf.exe	99
PID 864 wrote to memory of 2484	864	quotation.pdf.exe	100
PID 864 wrote to memory of 2484	864	quotation.pdf.exe	100
PID 864 wrote to memory of 2484	864	quotation.pdf.exe	100
PID 864 wrote to memory of 2484	864	quotation.pdf.exe	100
PID 864 wrote to memory of 2484	864	quotation.pdf.exe	100
PID 864 wrote to memory of 2484	864	quotation.pdf.exe	100
PID 864 wrote to memory of 2484	864	quotation.pdf.exe	100
PID 864 wrote to memory of 2484	864	quotation.pdf.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\quotation.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\quotation.pdf.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:864
- 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\quotation.pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2716
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VBwlAonrdTz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1860
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VBwlAonrdTz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E15.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:900
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1948
- 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:2484

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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
827729895a931f0d80c1b029241caf4e

SHA1
db1b21ad0e02d8eb4af51207e6230a75f1840f66

SHA256
ac6be3386bc80a9e17d1c69f6231637d27b3cb3421f018d68a8472f37a5e34ff

SHA512
edf0e99f8c0d3d60ccd3b77c8a3885eda23cc2af0e09f650d212eaf87ebca7670d5f11861b3b509c780f60cf0a047ad5890eceae17bc150b71e5f2e6ecc0847c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_c2yjxynx.crm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9E15.tmp

Filesize
1KB

MD5
e266dd69c8ddd4d540040ae35f8b5a9c

SHA1
4996b450415fc1d220bc2be3c42350cb0ec67506

SHA256
fbe35f8680dd56e80cd066b26d267de93f86c15918a34d5a5abc31e1a2819364

SHA512
a0a98bb5114580e1b95d2a4a453ee5c96b4731e13bcf6d54d493d311035053e88266e8b71c9eb891c1103a43ad95477811fe0751a764ec8115e0e4be1b66569f

Download Submit
memory/864-7-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download
memory/864-1-0x0000000000970000-0x0000000000A08000-memory.dmp

Filesize
608KB

Download
memory/864-6-0x00000000056A0000-0x00000000056B0000-memory.dmp

Filesize
64KB

Download
memory/864-48-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/864-8-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/864-9-0x0000000006990000-0x00000000069F8000-memory.dmp

Filesize
416KB

Download
memory/864-10-0x0000000009370000-0x000000000940C000-memory.dmp

Filesize
624KB

Download
memory/864-4-0x00000000053E0000-0x00000000053EA000-memory.dmp

Filesize
40KB

Download
memory/864-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download
memory/864-2-0x0000000005A70000-0x0000000006014000-memory.dmp

Filesize
5.6MB

Download
memory/864-5-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/864-3-0x0000000005410000-0x00000000054A2000-memory.dmp

Filesize
584KB

Download
memory/1860-74-0x0000000007340000-0x000000000735A000-memory.dmp

Filesize
104KB

Download
memory/1860-61-0x0000000070810000-0x000000007085C000-memory.dmp

Filesize
304KB

Download
memory/1860-73-0x0000000007980000-0x0000000007FFA000-memory.dmp

Filesize
6.5MB

Download
memory/1860-79-0x0000000007580000-0x0000000007594000-memory.dmp

Filesize
80KB

Download
memory/1860-75-0x00000000073B0000-0x00000000073BA000-memory.dmp

Filesize
40KB

Download
memory/1860-25-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/1860-49-0x00000000060E0000-0x000000000612C000-memory.dmp

Filesize
304KB

Download
memory/1860-23-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/1860-88-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/1860-47-0x0000000005F40000-0x0000000005F5E000-memory.dmp

Filesize
120KB

Download
memory/1860-72-0x0000000007210000-0x00000000072B3000-memory.dmp

Filesize
652KB

Download
memory/2484-45-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2484-90-0x0000000006200000-0x00000000063C2000-memory.dmp

Filesize
1.8MB

Download
memory/2484-89-0x0000000005FE0000-0x0000000006030000-memory.dmp

Filesize
320KB

Download
memory/2716-16-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2716-50-0x0000000007270000-0x00000000072A2000-memory.dmp

Filesize
200KB

Download
memory/2716-51-0x0000000070810000-0x000000007085C000-memory.dmp

Filesize
304KB

Download
memory/2716-70-0x00000000065C0000-0x00000000065DE000-memory.dmp

Filesize
120KB

Download
memory/2716-26-0x0000000005AB0000-0x0000000005E04000-memory.dmp

Filesize
3.3MB

Download
memory/2716-20-0x00000000051C0000-0x00000000051E2000-memory.dmp

Filesize
136KB

Download
memory/2716-76-0x0000000007620000-0x00000000076B6000-memory.dmp

Filesize
600KB

Download
memory/2716-77-0x00000000075A0000-0x00000000075B1000-memory.dmp

Filesize
68KB

Download
memory/2716-78-0x00000000075D0000-0x00000000075DE000-memory.dmp

Filesize
56KB

Download
memory/2716-21-0x0000000005360000-0x00000000053C6000-memory.dmp

Filesize
408KB

Download
memory/2716-80-0x00000000076E0000-0x00000000076FA000-memory.dmp

Filesize
104KB

Download
memory/2716-81-0x00000000076C0000-0x00000000076C8000-memory.dmp

Filesize
32KB

Download
memory/2716-22-0x0000000005A40000-0x0000000005AA6000-memory.dmp

Filesize
408KB

Download
memory/2716-19-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2716-87-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2716-17-0x0000000005410000-0x0000000005A38000-memory.dmp

Filesize
6.2MB

Download
memory/2716-18-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2716-15-0x0000000000EC0000-0x0000000000EF6000-memory.dmp

Filesize
216KB

Download