snakekeylogger | c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c

General

Target

c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe
Size

576KB
MD5

d75592cbb9d3ba728f0b27ad6218152c
SHA1

549930cb2a9dc576c4f831793d8e29957d070551
SHA256

c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c
SHA512

346fb36f74267d137173cb1e8838742fe1e595d29e7200f93943949c4331c0eb142f07cfc0a74874a697621603e4c62e78396865ae5da9c5f0f7c3bbda431e25
SSDEEP

12288:wPG/+BUGJFwnne07Eke5eFGT1gWOlMNTaQzzYW8eQeoEbkR:faUUwnne0fe5e01gWBNTRcW8eQeoE+

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.dap.vn
Port:
587
Username:
[email protected]
Password:
KhAnh110886
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/2884-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2884-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2884-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2884-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2884-16-0x0000000000400000-0x0000000000426000-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
2436	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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1796 set thread context of 2884	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.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	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.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	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
2164	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe
1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe
2884	vbc.exe
2436	powershell.exe
2884	vbc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe
Token: SeDebugPrivilege	2884	vbc.exe
Token: SeDebugPrivilege	2436	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2436	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	31
PID 1796 wrote to memory of 2436	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	31
PID 1796 wrote to memory of 2436	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	31
PID 1796 wrote to memory of 2436	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	31
PID 1796 wrote to memory of 2164	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	33
PID 1796 wrote to memory of 2164	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	33
PID 1796 wrote to memory of 2164	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	33
PID 1796 wrote to memory of 2164	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	33
PID 1796 wrote to memory of 2884	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	35
PID 1796 wrote to memory of 2884	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	35
PID 1796 wrote to memory of 2884	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	35
PID 1796 wrote to memory of 2884	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	35
PID 1796 wrote to memory of 2884	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	35
PID 1796 wrote to memory of 2884	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	35
PID 1796 wrote to memory of 2884	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	35
PID 1796 wrote to memory of 2884	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe	35
PID 1796 wrote to memory of 2884	1796	c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.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\c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe
"C:\Users\Admin\AppData\Local\Temp\c6a4e0fa597caf6381635be6ba6211ccb2c5d7161402e46128124c26750b945c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YlGewDdvEIy.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2436
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YlGewDdvEIy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE215.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2164
- 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:2884

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\tmpE215.tmp

Filesize
1KB

MD5
741d627cb627fe87c3958b2686b8cd56

SHA1
f04ae81e3bb209ec14056a25f00a325c78aefa99

SHA256
4d2d5efd129fa165a74300c2aa0aa1bc3bb16ec629d067e7fb91f66a03de579d

SHA512
a75eb6474e3596c4557ea1a8dccbec274269c6c218fbf0a9dad805edd221b260c2f8ee6e7cd9461d27a00a085ef7c2dcca31fe6bf8c950457d3643940fe2df81

Download Submit
memory/1796-26-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/1796-1-0x00000000008F0000-0x0000000000982000-memory.dmp

Filesize
584KB

Download
memory/1796-2-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/1796-3-0x0000000000530000-0x0000000000548000-memory.dmp

Filesize
96KB

Download
memory/1796-4-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

Filesize
4KB

Download
memory/1796-5-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/1796-6-0x00000000052F0000-0x000000000535C000-memory.dmp

Filesize
432KB

Download
memory/1796-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

Filesize
4KB

Download
memory/2884-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2884-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2884-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2884-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2884-20-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2884-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2884-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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