snakekeylogger | b1fd45ab9653b2ccab7e6c9867acd8e880f80b4e55425347321d39927cd726a6

General

Target

FACTURAS DE PAGOS.exe
Size

1.1MB
MD5

9c8abce530cbbd790310a29b3e43acae
SHA1

51993d18cf25c9d336c64655ef18849ea3ff27c0
SHA256

b1fd45ab9653b2ccab7e6c9867acd8e880f80b4e55425347321d39927cd726a6
SHA512

e14addd848815b7b40bf17fa9ecb155e0b745aa6a0ffabea913d9444763511827dcabf32962fb6e8b7ec61f395b7398af6f36fdf53b4fdc4bb068659269b05d8
SSDEEP

24576:ffmMv6Ckr7Mny5QLTUoUJ9E0jFcmPLuZ+l7XATt6W:f3v+7/5QLDUzE+JuIlMUW

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7952998151:AAFh98iY7kaOlHAR0qftD3ZcqGbQm0TXbBY/sendMessage?chat_id=5692813672

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral2/memory/3628-12-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral2/memory/3628-13-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral2/memory/3628-14-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral2/memory/3628-15-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral2/memory/3628-17-0x0000000005600000-0x0000000005626000-memory.dmp	family_snakekeylogger
behavioral2/memory/3628-24-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs	name.exe

Executes dropped EXE 1 IoCs

pid	Process
4636	name.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.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
16	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x00070000000234a6-5.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4636 set thread context of 3628	4636	name.exe	83

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 3 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	FACTURAS DE PAGOS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	name.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3628	svchost.exe
3628	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4636	name.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3628	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 4636	4840	FACTURAS DE PAGOS.exe	82
PID 4840 wrote to memory of 4636	4840	FACTURAS DE PAGOS.exe	82
PID 4840 wrote to memory of 4636	4840	FACTURAS DE PAGOS.exe	82
PID 4636 wrote to memory of 3628	4636	name.exe	83
PID 4636 wrote to memory of 3628	4636	name.exe	83
PID 4636 wrote to memory of 3628	4636	name.exe	83
PID 4636 wrote to memory of 3628	4636	name.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

C:\Users\Admin\AppData\Local\Temp\FACTURAS DE PAGOS.exe
"C:\Users\Admin\AppData\Local\Temp\FACTURAS DE PAGOS.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Users\Admin\AppData\Local\directory\name.exe
  "C:\Users\Admin\AppData\Local\Temp\FACTURAS DE PAGOS.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4636
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\FACTURAS DE PAGOS.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:3628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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\directory\name.exe

Filesize
1.1MB

MD5
9c8abce530cbbd790310a29b3e43acae

SHA1
51993d18cf25c9d336c64655ef18849ea3ff27c0

SHA256
b1fd45ab9653b2ccab7e6c9867acd8e880f80b4e55425347321d39927cd726a6

SHA512
e14addd848815b7b40bf17fa9ecb155e0b745aa6a0ffabea913d9444763511827dcabf32962fb6e8b7ec61f395b7398af6f36fdf53b4fdc4bb068659269b05d8

Download Submit
memory/3628-16-0x0000000074FAE000-0x0000000074FAF000-memory.dmp

Filesize
4KB

Download
memory/3628-17-0x0000000005600000-0x0000000005626000-memory.dmp

Filesize
152KB

Download
memory/3628-12-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3628-13-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3628-14-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3628-15-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3628-25-0x0000000074FAE000-0x0000000074FAF000-memory.dmp

Filesize
4KB

Download
memory/3628-24-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3628-18-0x0000000005C10000-0x00000000061B4000-memory.dmp

Filesize
5.6MB

Download
memory/3628-19-0x0000000005760000-0x00000000057FC000-memory.dmp

Filesize
624KB

Download
memory/3628-20-0x00000000067F0000-0x0000000006840000-memory.dmp

Filesize
320KB

Download
memory/3628-21-0x0000000006A10000-0x0000000006BD2000-memory.dmp

Filesize
1.8MB

Download
memory/3628-22-0x00000000068E0000-0x0000000006972000-memory.dmp

Filesize
584KB

Download
memory/3628-23-0x00000000068A0000-0x00000000068AA000-memory.dmp

Filesize
40KB

Download
memory/4636-10-0x0000000004100000-0x0000000004500000-memory.dmp

Filesize
4.0MB

Download
memory/4840-2-0x0000000004320000-0x0000000004720000-memory.dmp

Filesize
4.0MB

Download

Analysis

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