snakekeylogger | c2faf91bcc8b5f17406999a077c5836086be968b46ad6ff855f99f22dbb41adb

General

Target

customerrequest.exe
Size

708KB
MD5

cda26758d383d4440f407947e1bc38fe
SHA1

f159f961491285f6f02e483f65644fc8e145090e
SHA256

c2faf91bcc8b5f17406999a077c5836086be968b46ad6ff855f99f22dbb41adb
SHA512

45d6cf1a76371ce275ebadb96e24ef966baacddc2b686fdb10634380068e423d65b00de5d0d00ac2e2aea95b52ea479341d824103453b3a21be6f3d9ddaae34d
SSDEEP

12288:ft8fURnHb+Qv6HNbwV4dZmcCa5c986GQbsXnfkTys3XpApPE4tan1bZKfURnHbpy:qMRHPv6tkVGZBJI86G8WnfmmE4t/MRHY

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.gzdled.com.tr
Port:
587
Username:
[email protected]
Password:
Gozdeled1048
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1392-31-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1392-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1392-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1392-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1392-23-0x0000000000400000-0x0000000000426000-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
3024	powershell.exe
2976	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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	customerrequest.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	customerrequest.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	customerrequest.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 2952 set thread context of 1392	2952	customerrequest.exe	36

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	customerrequest.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	customerrequest.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

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
2664	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2952	customerrequest.exe
2952	customerrequest.exe
1392	customerrequest.exe
3024	powershell.exe
2976	powershell.exe
1392	customerrequest.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2952	customerrequest.exe
Token: SeDebugPrivilege	1392	customerrequest.exe
Token: SeDebugPrivilege	3024	powershell.exe
Token: SeDebugPrivilege	2976	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 3024	2952	customerrequest.exe	30
PID 2952 wrote to memory of 3024	2952	customerrequest.exe	30
PID 2952 wrote to memory of 3024	2952	customerrequest.exe	30
PID 2952 wrote to memory of 3024	2952	customerrequest.exe	30
PID 2952 wrote to memory of 2976	2952	customerrequest.exe	32
PID 2952 wrote to memory of 2976	2952	customerrequest.exe	32
PID 2952 wrote to memory of 2976	2952	customerrequest.exe	32
PID 2952 wrote to memory of 2976	2952	customerrequest.exe	32
PID 2952 wrote to memory of 2664	2952	customerrequest.exe	34
PID 2952 wrote to memory of 2664	2952	customerrequest.exe	34
PID 2952 wrote to memory of 2664	2952	customerrequest.exe	34
PID 2952 wrote to memory of 2664	2952	customerrequest.exe	34
PID 2952 wrote to memory of 1392	2952	customerrequest.exe	36
PID 2952 wrote to memory of 1392	2952	customerrequest.exe	36
PID 2952 wrote to memory of 1392	2952	customerrequest.exe	36
PID 2952 wrote to memory of 1392	2952	customerrequest.exe	36
PID 2952 wrote to memory of 1392	2952	customerrequest.exe	36
PID 2952 wrote to memory of 1392	2952	customerrequest.exe	36
PID 2952 wrote to memory of 1392	2952	customerrequest.exe	36
PID 2952 wrote to memory of 1392	2952	customerrequest.exe	36
PID 2952 wrote to memory of 1392	2952	customerrequest.exe	36

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	customerrequest.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	customerrequest.exe

C:\Users\Admin\AppData\Local\Temp\customerrequest.exe
"C:\Users\Admin\AppData\Local\Temp\customerrequest.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2952
- 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\customerrequest.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3024
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tjvxuavKFXO.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2976
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tjvxuavKFXO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpADEB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2664
- C:\Users\Admin\AppData\Local\Temp\customerrequest.exe
  "C:\Users\Admin\AppData\Local\Temp\customerrequest.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:1392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpADEB.tmp

Filesize
1KB

MD5
2f1952272cf4e5d607dd00abc5dd5edf

SHA1
4c1bf540258174852fcd939b83f48c10c46db0ca

SHA256
a06cd6098bb6b694af5d1382b42937f353e7a7b27d3f186c5addae41dfcce59f

SHA512
3255a37f89f3b01b57f5b564ecbd7404f079db0883918a6789765c3d995d574dd9c88db5215129b3a9a4e24bf38be930da43cfa534f9e156929bbc2e9a5201ec

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
ad5829484a2f03f989eba00f46976bea

SHA1
835154841bac1e04ed01149de9647a98ff20df51

SHA256
7681e3bedc1a4d457ffc49b6a798d2ea1bcc3b522e990af24ca3eecba9cfaec4

SHA512
d4b21ecf98f4d92a975e78ede60edcee85f08c3ac65b82c5831ba4683836d0116c6d436ecb2aa039b903688e6396f80f8b40f6d6446efa3924a9b632c0a57a1d

Download Submit
memory/1392-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1392-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1392-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1392-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1392-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1392-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1392-31-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1392-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2952-6-0x0000000000AE0000-0x0000000000B4C000-memory.dmp

Filesize
432KB

Download
memory/2952-1-0x0000000000FC0000-0x0000000001074000-memory.dmp

Filesize
720KB

Download
memory/2952-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/2952-2-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/2952-3-0x0000000000450000-0x000000000046E000-memory.dmp

Filesize
120KB

Download
memory/2952-5-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download
memory/2952-4-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/2952-32-0x0000000074D90000-0x000000007547E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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