snakekeylogger | afdecb0b5e945023591f7dc9d1c6e22e4e92d69fda0792b5c0509a28004566dd

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-10-2024 03:55

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General

Target

Request for offer.exe
Size

626KB
MD5

bbc2241c8b26c710dba1bdb4686d6e54
SHA1

b77585f70690e5055e29f6eef85f22045ec74082
SHA256

e3311b58cd5550d55691f8a0cb956d49cd1d59ad10ae119a5e9b62452c652e68
SHA512

a5ec6673174d4623afcbfe7c32d477daa86ad4921b7d1d8949a1cb88b46a368de5601c9cf4c7a09232d5e49fa743fe3a42cc501f4a798cb8290f3ca279239d85
SSDEEP

12288:+5w+f0e7N9Jj0GxvtyIS7R3jmoXV8l4Ol00zVGq2dYAeM:+XZbj0GtwIgRzO4OTI5

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
behavioral2/memory/1444-12-0x0000000000400000-0x0000000000426000-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
3096	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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	Request for offer.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-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for offer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for offer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for offer.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
22	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 1444	2596	Request for offer.exe	89

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	Request for offer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Request for offer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2596	Request for offer.exe
2596	Request for offer.exe
1444	Request for offer.exe
3096	powershell.exe
3096	powershell.exe
1444	Request for offer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	Request for offer.exe
Token: SeDebugPrivilege	1444	Request for offer.exe
Token: SeDebugPrivilege	3096	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 3096	2596	Request for offer.exe	87
PID 2596 wrote to memory of 3096	2596	Request for offer.exe	87
PID 2596 wrote to memory of 3096	2596	Request for offer.exe	87
PID 2596 wrote to memory of 1444	2596	Request for offer.exe	89
PID 2596 wrote to memory of 1444	2596	Request for offer.exe	89
PID 2596 wrote to memory of 1444	2596	Request for offer.exe	89
PID 2596 wrote to memory of 1444	2596	Request for offer.exe	89
PID 2596 wrote to memory of 1444	2596	Request for offer.exe	89
PID 2596 wrote to memory of 1444	2596	Request for offer.exe	89
PID 2596 wrote to memory of 1444	2596	Request for offer.exe	89
PID 2596 wrote to memory of 1444	2596	Request for offer.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for offer.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Request for offer.exe

C:\Users\Admin\AppData\Local\Temp\Request for offer.exe
"C:\Users\Admin\AppData\Local\Temp\Request for offer.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:2596
- 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\Request for offer.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3096
- C:\Users\Admin\AppData\Local\Temp\Request for offer.exe
  "C:\Users\Admin\AppData\Local\Temp\Request for offer.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:1444

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\Request for offer.exe.log

Filesize
2KB

MD5
5bc48002a3f5533ceb37c32fd38614cc

SHA1
9f0f8bc2b8ce5ff511d25d5221045dc657a762ba

SHA256
b4422dc9f7fde2154a582fb70d90e73408f8a394d979c704e5f4e13e928e7295

SHA512
2ee2102f4377b0098e350ed1276f8cf6f8ee6389c8fae27348fba65ce9fc09138821ac776e093028c23da93ca92566b43bb75328850776bdbe94f3cf69b42d04

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ezca2gsj.zdg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1444-62-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/1444-63-0x0000000006400000-0x0000000006450000-memory.dmp

Filesize
320KB

Download
memory/1444-18-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/1444-64-0x0000000006620000-0x00000000067E2000-memory.dmp

Filesize
1.8MB

Download
memory/1444-16-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/1444-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2596-10-0x0000000004980000-0x000000000498A000-memory.dmp

Filesize
40KB

Download
memory/2596-9-0x0000000008EA0000-0x0000000008F3C000-memory.dmp

Filesize
624KB

Download
memory/2596-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

Filesize
4KB

Download
memory/2596-11-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/2596-8-0x00000000066F0000-0x0000000006758000-memory.dmp

Filesize
416KB

Download
memory/2596-7-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/2596-6-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

Filesize
4KB

Download
memory/2596-15-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/2596-5-0x0000000005630000-0x0000000005648000-memory.dmp

Filesize
96KB

Download
memory/2596-4-0x00000000050B0000-0x0000000005142000-memory.dmp

Filesize
584KB

Download
memory/2596-3-0x0000000005660000-0x0000000005C04000-memory.dmp

Filesize
5.6MB

Download
memory/2596-2-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/2596-1-0x00000000005B0000-0x0000000000652000-memory.dmp

Filesize
648KB

Download
memory/3096-24-0x0000000006210000-0x0000000006276000-memory.dmp

Filesize
408KB

Download
memory/3096-50-0x00000000081E0000-0x000000000885A000-memory.dmp

Filesize
6.5MB

Download
memory/3096-21-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3096-23-0x00000000061A0000-0x0000000006206000-memory.dmp

Filesize
408KB

Download
memory/3096-34-0x0000000006280000-0x00000000065D4000-memory.dmp

Filesize
3.3MB

Download
memory/3096-35-0x0000000006880000-0x000000000689E000-memory.dmp

Filesize
120KB

Download
memory/3096-36-0x00000000068B0000-0x00000000068FC000-memory.dmp

Filesize
304KB

Download
memory/3096-37-0x0000000006E40000-0x0000000006E72000-memory.dmp

Filesize
200KB

Download
memory/3096-38-0x0000000070640000-0x000000007068C000-memory.dmp

Filesize
304KB

Download
memory/3096-48-0x0000000006E80000-0x0000000006E9E000-memory.dmp

Filesize
120KB

Download
memory/3096-49-0x0000000007A60000-0x0000000007B03000-memory.dmp

Filesize
652KB

Download
memory/3096-22-0x00000000059B0000-0x00000000059D2000-memory.dmp

Filesize
136KB

Download
memory/3096-51-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

Filesize
104KB

Download
memory/3096-52-0x0000000007C10000-0x0000000007C1A000-memory.dmp

Filesize
40KB

Download
memory/3096-53-0x0000000007E20000-0x0000000007EB6000-memory.dmp

Filesize
600KB

Download
memory/3096-54-0x0000000007DA0000-0x0000000007DB1000-memory.dmp

Filesize
68KB

Download
memory/3096-55-0x0000000007DD0000-0x0000000007DDE000-memory.dmp

Filesize
56KB

Download
memory/3096-56-0x0000000007DE0000-0x0000000007DF4000-memory.dmp

Filesize
80KB

Download
memory/3096-57-0x0000000007EE0000-0x0000000007EFA000-memory.dmp

Filesize
104KB

Download
memory/3096-58-0x0000000007EC0000-0x0000000007EC8000-memory.dmp

Filesize
32KB

Download
memory/3096-61-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3096-20-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3096-19-0x0000000005A00000-0x0000000006028000-memory.dmp

Filesize
6.2MB

Download
memory/3096-17-0x0000000002F90000-0x0000000002FC6000-memory.dmp

Filesize
216KB

Download