snakekeylogger | a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14

General

Target

STATEMENTnullfromAnsyncGlobalSdnBhd.exe
Size

1.0MB
MD5

6b8ffeb500dd8a10b3a3f437efb9714c
SHA1

0bf183baf160e6753b38ce48f2ae8b8cf32653d0
SHA256

a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14
SHA512

998ffbf313d2c4d20bfac39eb69427e19c795b72a199b430a3db2b5834dac935be3e9627adc4e607ade531c5ebfbf9d39d4fba7a63b42f53ba69d9f339eaa2b3
SSDEEP

24576:1tb20pkaCqT5TBWgNQ7a9depk/7diNU36A:mVg5tQ7a9482G5

Score

10^/10

snakekeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.luhomar.com.co
Port:
587
Username:
[email protected]
Password:
z9-ziS7,lbO@
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2784-7-0x00000000003B0000-0x00000000003D6000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

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-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
5	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4932 set thread context of 2784	4932	STATEMENTnullfromAnsyncGlobalSdnBhd.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3332	4932	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	STATEMENTnullfromAnsyncGlobalSdnBhd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2784	RegSvcs.exe
2784	RegSvcs.exe
2784	RegSvcs.exe
2784	RegSvcs.exe
2784	RegSvcs.exe
2784	RegSvcs.exe
2784	RegSvcs.exe
2784	RegSvcs.exe
2784	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4932	STATEMENTnullfromAnsyncGlobalSdnBhd.exe
4932	STATEMENTnullfromAnsyncGlobalSdnBhd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4932	STATEMENTnullfromAnsyncGlobalSdnBhd.exe
4932	STATEMENTnullfromAnsyncGlobalSdnBhd.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4932	STATEMENTnullfromAnsyncGlobalSdnBhd.exe
4932	STATEMENTnullfromAnsyncGlobalSdnBhd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 2784	4932	STATEMENTnullfromAnsyncGlobalSdnBhd.exe	86
PID 4932 wrote to memory of 2784	4932	STATEMENTnullfromAnsyncGlobalSdnBhd.exe	86
PID 4932 wrote to memory of 2784	4932	STATEMENTnullfromAnsyncGlobalSdnBhd.exe	86
PID 4932 wrote to memory of 2784	4932	STATEMENTnullfromAnsyncGlobalSdnBhd.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\STATEMENTnullfromAnsyncGlobalSdnBhd.exe
"C:\Users\Admin\AppData\Local\Temp\STATEMENTnullfromAnsyncGlobalSdnBhd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\STATEMENTnullfromAnsyncGlobalSdnBhd.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:2784
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 724
  2⤵
  - Program crash
  PID:3332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4932 -ip 4932
1⤵
PID:928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2784-7-0x00000000003B0000-0x00000000003D6000-memory.dmp

Filesize
152KB

Download
memory/2784-8-0x0000000073BCE000-0x0000000073BCF000-memory.dmp

Filesize
4KB

Download
memory/2784-9-0x0000000005330000-0x00000000058D4000-memory.dmp

Filesize
5.6MB

Download
memory/2784-10-0x0000000004D80000-0x0000000004E1C000-memory.dmp

Filesize
624KB

Download
memory/2784-11-0x0000000073BC0000-0x0000000074370000-memory.dmp

Filesize
7.7MB

Download
memory/2784-12-0x0000000006020000-0x0000000006070000-memory.dmp

Filesize
320KB

Download
memory/2784-13-0x0000000006240000-0x0000000006402000-memory.dmp

Filesize
1.8MB

Download
memory/2784-14-0x0000000006110000-0x00000000061A2000-memory.dmp

Filesize
584KB

Download
memory/2784-15-0x00000000060F0000-0x00000000060FA000-memory.dmp

Filesize
40KB

Download
memory/2784-16-0x0000000073BCE000-0x0000000073BCF000-memory.dmp

Filesize
4KB

Download
memory/2784-17-0x0000000073BC0000-0x0000000074370000-memory.dmp

Filesize
7.7MB

Download
memory/4932-6-0x00000000019D0000-0x0000000001DD0000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing