snakekeylogger | ae88fec8df2e320104325abf884d96a5a5248b174cb42351fe46bb2f43c99ecc

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/02/2025, 03:05

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General

Target
PURCHASE ORDER.exe
Size 776KB
Sample250219-dk91favren
SHA256 ae88fec8df2e320104325abf884d96a5a5248b174cb42351fe46bb2f43c99ecc
MD5 9c7a8eff3b37756a1929f49f3b3053e6
SHA1 8c71c99e38e7322e3b4713dbb4c232419ec6659b
SHA512 4d5ef22923096b33a0a52b22a3d4df4a60bc114ddd8cf52f880b0f89121d11f8298ea7760549ab8bb44986b8c5411420124468af51bdd94eba4eb86df6bb339a
SSDEEP 24576:tMRHPv6tkVi6z7UdFzulgJ/85Q03OTTObeL8MRH:tMZqaVlUQgJ/4tmTB8MZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5227573794:AAECZBnQSxLs0aOVsV2wnclC6-WKnxPpi_k/sendMessage?chat_id=5217421430

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1996-31-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1996-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1996-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1996-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1996-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

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
2664	powershell.exe
2684	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2880 set thread context of 1996	2880	PURCHASE ORDER.exe	37

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	PURCHASE ORDER.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
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	PURCHASE ORDER.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
2640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2880	PURCHASE ORDER.exe
2880	PURCHASE ORDER.exe
2880	PURCHASE ORDER.exe
2880	PURCHASE ORDER.exe
2880	PURCHASE ORDER.exe
2880	PURCHASE ORDER.exe
1996	PURCHASE ORDER.exe
2664	powershell.exe
2684	powershell.exe
1996	PURCHASE ORDER.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2880	PURCHASE ORDER.exe
Token: SeDebugPrivilege	1996	PURCHASE ORDER.exe
Token: SeDebugPrivilege	2664	powershell.exe
Token: SeDebugPrivilege	2684	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2664	2880	PURCHASE ORDER.exe	30
PID 2880 wrote to memory of 2664	2880	PURCHASE ORDER.exe	30
PID 2880 wrote to memory of 2664	2880	PURCHASE ORDER.exe	30
PID 2880 wrote to memory of 2664	2880	PURCHASE ORDER.exe	30
PID 2880 wrote to memory of 2684	2880	PURCHASE ORDER.exe	32
PID 2880 wrote to memory of 2684	2880	PURCHASE ORDER.exe	32
PID 2880 wrote to memory of 2684	2880	PURCHASE ORDER.exe	32
PID 2880 wrote to memory of 2684	2880	PURCHASE ORDER.exe	32
PID 2880 wrote to memory of 2640	2880	PURCHASE ORDER.exe	34
PID 2880 wrote to memory of 2640	2880	PURCHASE ORDER.exe	34
PID 2880 wrote to memory of 2640	2880	PURCHASE ORDER.exe	34
PID 2880 wrote to memory of 2640	2880	PURCHASE ORDER.exe	34
PID 2880 wrote to memory of 2228	2880	PURCHASE ORDER.exe	36
PID 2880 wrote to memory of 2228	2880	PURCHASE ORDER.exe	36
PID 2880 wrote to memory of 2228	2880	PURCHASE ORDER.exe	36
PID 2880 wrote to memory of 2228	2880	PURCHASE ORDER.exe	36
PID 2880 wrote to memory of 1996	2880	PURCHASE ORDER.exe	37
PID 2880 wrote to memory of 1996	2880	PURCHASE ORDER.exe	37
PID 2880 wrote to memory of 1996	2880	PURCHASE ORDER.exe	37
PID 2880 wrote to memory of 1996	2880	PURCHASE ORDER.exe	37
PID 2880 wrote to memory of 1996	2880	PURCHASE ORDER.exe	37
PID 2880 wrote to memory of 1996	2880	PURCHASE ORDER.exe	37
PID 2880 wrote to memory of 1996	2880	PURCHASE ORDER.exe	37
PID 2880 wrote to memory of 1996	2880	PURCHASE ORDER.exe	37
PID 2880 wrote to memory of 1996	2880	PURCHASE ORDER.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2880
- 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\PURCHASE ORDER.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2664
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vEwlIKz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2684
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vEwlIKz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp73E8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2640
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
  "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
  2⤵
  PID:2228
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
  "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.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:1996

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

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

tmp73E8.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp73E8.tmp
Size 1KB
SHA256 c2c7a9c8450e98aef906fd48f9854df9679f155d79b58a7b0b0e6ada1d5d67a5
MD5 e92d21ae485d0799e6456eb6b30d8ef0
SHA1 71a19c7185f47ba9ffe22ca0cef2764597cfe874
SHA512 7e5331e6aad1a51f404907a2476f6b6370ffdd428227941805e486e6dd7e5fe802e9f6f9f84c470e7a090247ef302c389483cee58ad7a6ddd9fc50ddb2e900e6
MD5 SHA1 SHA512

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88DQDJR4ZW8YYQV24ZRS.temp

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\88DQDJR4ZW8YYQV24ZRS.temp
Size 7KB
SHA256 b833aef174fbc65e8c66e97f53e1b9f170a85e98594311b7b65d8aac3a8b5846
MD5 7639a0be2c3d7dd8a2d6e5b83ddf5e58
SHA1 40289d320f5fc622ae054f9452968e02798e2016
SHA512 1fbefc76c93208fcb72a1b596da309e11746845bed6a67e8fbe5f69809862c875363e6613e6a880832b3b6cb2822b2b200f3b37945492674b0f7948c46aec4b3
SSDEEP 96:f0pmCgnM8dnqvsqvJCwon0pmCgnM8dnqvsEHyqvJCworAzBR+QHzB7otXlUVH:fUqnJUonUqnJAHnorAeWB7ot8
MD5 SHA1 SHA512 SSDEEP

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memory/1996-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/1996-29-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1996-19-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1996-21-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1996-23-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1996-25-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1996-28-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1996-31-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2880-6-0x0000000007570000-0x00000000075DC000-memory.dmp

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memory/2880-1-0x00000000011D0000-0x0000000001298000-memory.dmp

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memory/2880-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

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memory/2880-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

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memory/2880-3-0x00000000005B0000-0x00000000005CE000-memory.dmp

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memory/2880-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

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memory/2880-4-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

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memory/2880-32-0x0000000074DC0000-0x00000000754AE000-memory.dmp

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