snakekeylogger | dbeb4efc65acdd428964a95c7c41acb5b3c735ebbdf719fc77e2614b6b2da631

Resubmissions

21-10-2024 03:40

241021-d78e5ayclm 10

21-10-2024 03:35

241021-d5ep2aybjn 8

Analysis

max time kernel
134s
max time network
136s
platform
windows10-1703_x64
resource
win10-20240404-ja
resource tags

arch:x64arch:x86image:win10-20240404-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
21-10-2024 03:40

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General

Target

お見積り依頼.exe
Size

560KB
MD5

6489c2a2edb54bb6564df9cb218edf05
SHA1

cf9ea9f4973f9b438f9dedbec8a714b78611c84b
SHA256

3af41da6cc3321fb4954e35e6f2f13ed7c2cc547f43eb1b9a2cfd4ed9d38c344
SHA512

7ab3e215ff9d8330bac168e5f60fd91e270ebbcd4fab027e2bc749d6fd7966a56a495daf9113e550830ec4ca66543c2de22fef363bdc9fa66ffe356d8976feb6
SSDEEP

12288:yfAgXkhMOoltiJirLMW6diPxsElSiiGiLaD8Lbu:wkh5oDiJgLMWtxIaD8H

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/2180-13-0x0000000000400000-0x0000000000426000-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
3912	powershell.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-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	お見積り依頼.exe
Key opened	\REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	お見積り依頼.exe
Key opened	\REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	お見積り依頼.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
13	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4028 set thread context of 2180	4028	お見積り依頼.exe	78

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	お見積り依頼.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	お見積り依頼.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4028	お見積り依頼.exe
4028	お見積り依頼.exe
2180	お見積り依頼.exe
3912	powershell.exe
3912	powershell.exe
3912	powershell.exe
2180	お見積り依頼.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4028	お見積り依頼.exe
Token: SeDebugPrivilege	2180	お見積り依頼.exe
Token: SeDebugPrivilege	3912	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 3912	4028	お見積り依頼.exe	76
PID 4028 wrote to memory of 3912	4028	お見積り依頼.exe	76
PID 4028 wrote to memory of 3912	4028	お見積り依頼.exe	76
PID 4028 wrote to memory of 2180	4028	お見積り依頼.exe	78
PID 4028 wrote to memory of 2180	4028	お見積り依頼.exe	78
PID 4028 wrote to memory of 2180	4028	お見積り依頼.exe	78
PID 4028 wrote to memory of 2180	4028	お見積り依頼.exe	78
PID 4028 wrote to memory of 2180	4028	お見積り依頼.exe	78
PID 4028 wrote to memory of 2180	4028	お見積り依頼.exe	78
PID 4028 wrote to memory of 2180	4028	お見積り依頼.exe	78
PID 4028 wrote to memory of 2180	4028	お見積り依頼.exe	78

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	お見積り依頼.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3699363923-1875576828-3287151903-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	お見積り依頼.exe

C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe
"C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4028
- 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\お見積り依頼.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3912
- C:\Users\Admin\AppData\Local\Temp\お見積り依頼.exe
  "C:\Users\Admin\AppData\Local\Temp\お見積り依頼.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:2180

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

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\お見積り依頼.exe.log

Filesize
1KB

MD5
d1288cb41cf121701300cbd3d4a614cf

SHA1
e9552edf26a0a766d60be98089c756daece171ac

SHA256
4232d9da115b2d5733306620aa6c95814ce5d0f1eea830e819acf9bdcb64b1b4

SHA512
68599fb6c8696c2d7f15491ca3567894a77a18fe54e9dd8da1f7c9ca59b4ac7a60131798d7657acc7cd590879325d750957139f2836f52efbb64bde6560139e0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i5hicxmv.px3.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/2180-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2180-279-0x0000000006E60000-0x0000000007022000-memory.dmp

Filesize
1.8MB

Download
memory/2180-278-0x0000000005CA0000-0x0000000005CB4000-memory.dmp

Filesize
80KB

Download
memory/2180-277-0x0000000073740000-0x0000000073E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2180-276-0x0000000073740000-0x0000000073E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2180-275-0x0000000006A20000-0x0000000006A68000-memory.dmp

Filesize
288KB

Download
memory/2180-24-0x0000000073740000-0x0000000073E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2180-16-0x0000000073740000-0x0000000073E2E000-memory.dmp

Filesize
6.9MB

Download
memory/3912-51-0x0000000009930000-0x0000000009963000-memory.dmp

Filesize
204KB

Download
memory/3912-32-0x0000000008160000-0x000000000817C000-memory.dmp

Filesize
112KB

Download
memory/3912-274-0x0000000073740000-0x0000000073E2E000-memory.dmp

Filesize
6.9MB

Download
memory/3912-258-0x0000000009D90000-0x0000000009D98000-memory.dmp

Filesize
32KB

Download
memory/3912-253-0x0000000009E00000-0x0000000009E1A000-memory.dmp

Filesize
104KB

Download
memory/3912-60-0x0000000009EA0000-0x0000000009F34000-memory.dmp

Filesize
592KB

Download
memory/3912-59-0x0000000009DB0000-0x0000000009E00000-memory.dmp

Filesize
320KB

Download
memory/3912-20-0x00000000070C0000-0x00000000070F6000-memory.dmp

Filesize
216KB

Download
memory/3912-21-0x0000000007790000-0x0000000007DB8000-memory.dmp

Filesize
6.2MB

Download
memory/3912-22-0x0000000073740000-0x0000000073E2E000-memory.dmp

Filesize
6.9MB

Download
memory/3912-23-0x0000000073740000-0x0000000073E2E000-memory.dmp

Filesize
6.9MB

Download
memory/3912-58-0x0000000009A80000-0x0000000009B25000-memory.dmp

Filesize
660KB

Download
memory/3912-25-0x0000000073740000-0x0000000073E2E000-memory.dmp

Filesize
6.9MB

Download
memory/3912-26-0x00000000075D0000-0x0000000007662000-memory.dmp

Filesize
584KB

Download
memory/3912-27-0x0000000007DF0000-0x0000000007E12000-memory.dmp

Filesize
136KB

Download
memory/3912-29-0x0000000008030000-0x0000000008096000-memory.dmp

Filesize
408KB

Download
memory/3912-28-0x0000000007E90000-0x0000000007EF6000-memory.dmp

Filesize
408KB

Download
memory/3912-30-0x0000000008280000-0x00000000085D0000-memory.dmp

Filesize
3.3MB

Download
memory/3912-31-0x0000000007E80000-0x0000000007E90000-memory.dmp

Filesize
64KB

Download
memory/3912-53-0x0000000009910000-0x000000000992E000-memory.dmp

Filesize
120KB

Download
memory/3912-33-0x0000000008C60000-0x0000000008CAB000-memory.dmp

Filesize
300KB

Download
memory/3912-34-0x00000000089A0000-0x0000000008A16000-memory.dmp

Filesize
472KB

Download
memory/3912-52-0x000000006FFD0000-0x000000007001B000-memory.dmp

Filesize
300KB

Download
memory/4028-9-0x000000007374E000-0x000000007374F000-memory.dmp

Filesize
4KB

Download
memory/4028-0-0x000000007374E000-0x000000007374F000-memory.dmp

Filesize
4KB

Download
memory/4028-11-0x0000000006EB0000-0x0000000006F18000-memory.dmp

Filesize
416KB

Download
memory/4028-7-0x0000000005D10000-0x0000000005DAC000-memory.dmp

Filesize
624KB

Download
memory/4028-17-0x0000000073740000-0x0000000073E2E000-memory.dmp

Filesize
6.9MB

Download
memory/4028-8-0x0000000005CE0000-0x0000000005CFC000-memory.dmp

Filesize
112KB

Download
memory/4028-6-0x0000000073740000-0x0000000073E2E000-memory.dmp

Filesize
6.9MB

Download
memory/4028-10-0x0000000073740000-0x0000000073E2E000-memory.dmp

Filesize
6.9MB

Download
memory/4028-4-0x0000000005320000-0x0000000005670000-memory.dmp

Filesize
3.3MB

Download
memory/4028-5-0x0000000005BC0000-0x0000000005BCA000-memory.dmp

Filesize
40KB

Download
memory/4028-12-0x00000000099E0000-0x0000000009AEE000-memory.dmp

Filesize
1.1MB

Download
memory/4028-3-0x00000000051B0000-0x0000000005242000-memory.dmp

Filesize
584KB

Download
memory/4028-2-0x00000000056B0000-0x0000000005BAE000-memory.dmp

Filesize
5.0MB

Download
memory/4028-1-0x00000000008E0000-0x0000000000972000-memory.dmp

Filesize
584KB

Download