snakekeylogger | d5d02108a69c03e93f4072e65178ce941cf78401ca4c1babc52d94abcd41579d

Analysis

max time kernel
425s
max time network
429s
platform
windows10-2004_x64
resource
win10v2004-20241007-ja
resource tags

arch:x64arch:x86image:win10v2004-20241007-jalocale:ja-jpos:windows10-2004-x64systemwindows
submitted
21-10-2024 06:17

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General

Target

sample.exe
Size

561KB
MD5

af04642d86b2e7e785a034d8fd4510bd
SHA1

82b4b45acdec6c64853c5d2c0df36c23026c2e73
SHA256

cb46f693cb4263f0c8832e56fe42d8dd0e1a5e8c70b102e20322a65b428df9ce
SHA512

762bcf964b6e9d693cd9984f84f1819fbd4a4924d0bb131157df8ac4b76a0df7113cd013a36230a2a726a7fdb2eb62338537e5c54bcbfa5b43934bc3190cb04c
SSDEEP

12288:vfAYXkhMOoltiJKeGrLW02pIGyuJdaRQMn6iE30nYjk7L:tkh5oDiJKe4f5QdaRj6ipgk7

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral1/memory/2104-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3972	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	sample.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4972 set thread context of 2104	4972	sample.exe	102

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 3 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	sample.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sample.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4972	sample.exe
4972	sample.exe
2104	sample.exe
3972	powershell.exe
3972	powershell.exe
2104	sample.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4972	sample.exe
Token: SeDebugPrivilege	2104	sample.exe
Token: SeDebugPrivilege	3972	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 3972	4972	sample.exe	100
PID 4972 wrote to memory of 3972	4972	sample.exe	100
PID 4972 wrote to memory of 3972	4972	sample.exe	100
PID 4972 wrote to memory of 2104	4972	sample.exe	102
PID 4972 wrote to memory of 2104	4972	sample.exe	102
PID 4972 wrote to memory of 2104	4972	sample.exe	102
PID 4972 wrote to memory of 2104	4972	sample.exe	102
PID 4972 wrote to memory of 2104	4972	sample.exe	102
PID 4972 wrote to memory of 2104	4972	sample.exe	102
PID 4972 wrote to memory of 2104	4972	sample.exe	102
PID 4972 wrote to memory of 2104	4972	sample.exe	102

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	sample.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	sample.exe

C:\Users\Admin\AppData\Local\Temp\sample.exe
"C:\Users\Admin\AppData\Local\Temp\sample.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:4972
- 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\sample.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3972
- C:\Users\Admin\AppData\Local\Temp\sample.exe
  "C:\Users\Admin\AppData\Local\Temp\sample.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:2104

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\sample.exe.log

Filesize
1KB

MD5
b7b9acb869ccc7f7ecb5304ec0384dee

SHA1
6a90751c95817903ee833d59a0abbef425a613b3

SHA256
8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

SHA512
7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3umlr1ic.q5k.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2104-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2104-70-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/2104-69-0x00000000069E0000-0x0000000006BA2000-memory.dmp

Filesize
1.8MB

Download
memory/2104-68-0x0000000006610000-0x0000000006624000-memory.dmp

Filesize
80KB

Download
memory/2104-67-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/2104-40-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/2104-16-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/3972-54-0x0000000007FF0000-0x000000000866A000-memory.dmp

Filesize
6.5MB

Download
memory/3972-39-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/3972-66-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/3972-63-0x0000000007C10000-0x0000000007C18000-memory.dmp

Filesize
32KB

Download
memory/3972-62-0x0000000007C20000-0x0000000007C3A000-memory.dmp

Filesize
104KB

Download
memory/3972-61-0x0000000007BD0000-0x0000000007BE4000-memory.dmp

Filesize
80KB

Download
memory/3972-60-0x0000000007BC0000-0x0000000007BCE000-memory.dmp

Filesize
56KB

Download
memory/3972-59-0x0000000007B40000-0x0000000007B51000-memory.dmp

Filesize
68KB

Download
memory/3972-18-0x00000000012E0000-0x0000000001316000-memory.dmp

Filesize
216KB

Download
memory/3972-20-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/3972-19-0x0000000005890000-0x0000000005EB8000-memory.dmp

Filesize
6.2MB

Download
memory/3972-21-0x00000000055E0000-0x0000000005672000-memory.dmp

Filesize
584KB

Download
memory/3972-24-0x0000000005EC0000-0x0000000005F26000-memory.dmp

Filesize
408KB

Download
memory/3972-23-0x00000000056F0000-0x0000000005756000-memory.dmp

Filesize
408KB

Download
memory/3972-58-0x0000000007C50000-0x0000000007CE6000-memory.dmp

Filesize
600KB

Download
memory/3972-30-0x0000000005F30000-0x0000000006284000-memory.dmp

Filesize
3.3MB

Download
memory/3972-22-0x00000000055A0000-0x00000000055C2000-memory.dmp

Filesize
136KB

Download
memory/3972-35-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/3972-36-0x0000000005840000-0x0000000005850000-memory.dmp

Filesize
64KB

Download
memory/3972-37-0x0000000006510000-0x000000000652E000-memory.dmp

Filesize
120KB

Download
memory/3972-38-0x0000000006660000-0x00000000066AC000-memory.dmp

Filesize
304KB

Download
memory/3972-57-0x0000000007B60000-0x0000000007BB0000-memory.dmp

Filesize
320KB

Download
memory/3972-56-0x0000000007A20000-0x0000000007A2A000-memory.dmp

Filesize
40KB

Download
memory/3972-41-0x0000000007810000-0x0000000007842000-memory.dmp

Filesize
200KB

Download
memory/3972-42-0x00000000709B0000-0x00000000709FC000-memory.dmp

Filesize
304KB

Download
memory/3972-52-0x0000000006C30000-0x0000000006C4E000-memory.dmp

Filesize
120KB

Download
memory/3972-53-0x0000000007850000-0x00000000078F3000-memory.dmp

Filesize
652KB

Download
memory/3972-55-0x00000000079B0000-0x00000000079CA000-memory.dmp

Filesize
104KB

Download
memory/4972-8-0x0000000005710000-0x000000000572C000-memory.dmp

Filesize
112KB

Download
memory/4972-0-0x0000000074FAE000-0x0000000074FAF000-memory.dmp

Filesize
4KB

Download
memory/4972-10-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/4972-6-0x00000000054D0000-0x00000000054DA000-memory.dmp

Filesize
40KB

Download
memory/4972-7-0x0000000005660000-0x00000000056FC000-memory.dmp

Filesize
624KB

Download
memory/4972-17-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/4972-5-0x0000000074FA0000-0x0000000075750000-memory.dmp

Filesize
7.7MB

Download
memory/4972-9-0x0000000074FAE000-0x0000000074FAF000-memory.dmp

Filesize
4KB

Download
memory/4972-4-0x0000000006080000-0x00000000063D4000-memory.dmp

Filesize
3.3MB

Download
memory/4972-11-0x0000000006DA0000-0x0000000006E08000-memory.dmp

Filesize
416KB

Download
memory/4972-12-0x0000000009970000-0x0000000009A7E000-memory.dmp

Filesize
1.1MB

Download
memory/4972-3-0x00000000055C0000-0x0000000005652000-memory.dmp

Filesize
584KB

Download
memory/4972-2-0x0000000005AD0000-0x0000000006074000-memory.dmp

Filesize
5.6MB

Download
memory/4972-1-0x0000000000A10000-0x0000000000AA2000-memory.dmp

Filesize
584KB

Download