snakekeylogger | 15daae6aeec67c26bec847e3c26af738abf48f3f1b71dcf57e6871fec3c9b0e6

General

Target

63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe
Size

880KB
MD5

d2f01bfba149898d86d9f9b1344c871c
SHA1

7002ec5c910a1883fd5c56aecf17c8182a175acb
SHA256

63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b
SHA512

9607a66aa1f572504fa68ca6464cde5763c13e72ff66e1cb94bc8f1e8d4e6765390371664b18cfadc6954b21c711ac9f05c95dd6c38945d6f9ed2ce653237254
SSDEEP

12288:bEfVhpe/ijKZVn6fYpoW0eJRWmoaoTxAKScque4RJjBQ+60NAIJxT6t4kR:bEfVyijKZV6g+VeJRLVoTx4z/4RY6gv

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7692220058:AAHVndQO9RuaWbiX3k3pjx15TMCoeBS0WKU/sendMessage?chat_id=7342994424

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2748-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2748-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2748-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2748-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2748-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger 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
2752	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 2748	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	35

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 4 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	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.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
2824	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2748	vbc.exe
2752	powershell.exe
2748	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	vbc.exe
Token: SeDebugPrivilege	2752	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2752	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	31
PID 2136 wrote to memory of 2752	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	31
PID 2136 wrote to memory of 2752	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	31
PID 2136 wrote to memory of 2752	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	31
PID 2136 wrote to memory of 2824	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	32
PID 2136 wrote to memory of 2824	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	32
PID 2136 wrote to memory of 2824	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	32
PID 2136 wrote to memory of 2824	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	32
PID 2136 wrote to memory of 2748	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	35
PID 2136 wrote to memory of 2748	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	35
PID 2136 wrote to memory of 2748	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	35
PID 2136 wrote to memory of 2748	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	35
PID 2136 wrote to memory of 2748	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	35
PID 2136 wrote to memory of 2748	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	35
PID 2136 wrote to memory of 2748	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	35
PID 2136 wrote to memory of 2748	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	35
PID 2136 wrote to memory of 2748	2136	63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe
"C:\Users\Admin\AppData\Local\Temp\63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jdSHzBih.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2752
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jdSHzBih" /XML "C:\Users\Admin\AppData\Local\Temp\tmp37D2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2824
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

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

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp37D2.tmp

Filesize
1KB

MD5
2916cbeec14a01ed5d953efc8f3de9d2

SHA1
12d4779d53893dc3b6f4bcca8a61ace7f5916f4c

SHA256
23fe26ca95653b4a571763081baba368cc008185521e91d9231c0bcfb58145df

SHA512
54bdd50eb641a637345253cc9b11397477499299ee7e265324dfda6e8b3df196975794e38bc9d70bd0ec61221ce22f1197034846c913fc6e5eeb610e561fd9eb

Download Submit
memory/2136-26-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-1-0x00000000011E0000-0x00000000012BE000-memory.dmp

Filesize
888KB

Download
memory/2136-2-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-3-0x0000000000440000-0x000000000045C000-memory.dmp

Filesize
112KB

Download
memory/2136-4-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/2136-5-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-6-0x0000000000580000-0x00000000005E8000-memory.dmp

Filesize
416KB

Download
memory/2136-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/2748-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-20-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads