snakekeylogger | e080f9706527c90237f613bdb674112e2b5a6e2e14138498dc31397661fb7efb

General

Target

Justificante de pago.exe
Size

1.1MB
MD5

e82db51cc781d6b53a1c430334237d8b
SHA1

8631d3b51ad60a2172686bdca75230db1d4d980b
SHA256

e080f9706527c90237f613bdb674112e2b5a6e2e14138498dc31397661fb7efb
SHA512

b191c4a30b68cb840f28e043c9237c0f536703096f2021716480adff82b8e53c0342d95668e6d5f3e766801cf03fc39277af4916a7f17e906de5b806e7996dcf
SSDEEP

24576:ffmMv6Ckr7Mny5QLnkIPciTUDAfsPKSqS+7:f3v+7/5QLbPBXx97

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6758088233:AAFj4Y2Zn6GDp8qtYIlHf1VVN4k4QQ5uaio/sendMessage?chat_id=5117030493

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral2/memory/4228-12-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral2/memory/4228-13-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral2/memory/4228-14-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral2/memory/4228-15-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral2/memory/4228-17-0x0000000005AE0000-0x0000000005B06000-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
1504	name.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\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
13	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0008000000023cb3-5.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1504 set thread context of 4228	1504	name.exe	86

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	Justificante de pago.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
4228	svchost.exe
4228	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1504	name.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4228	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 100 wrote to memory of 1504	100	Justificante de pago.exe	85
PID 100 wrote to memory of 1504	100	Justificante de pago.exe	85
PID 100 wrote to memory of 1504	100	Justificante de pago.exe	85
PID 1504 wrote to memory of 4228	1504	name.exe	86
PID 1504 wrote to memory of 4228	1504	name.exe	86
PID 1504 wrote to memory of 4228	1504	name.exe	86
PID 1504 wrote to memory of 4228	1504	name.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

C:\Users\Admin\AppData\Local\Temp\Justificante de pago.exe
"C:\Users\Admin\AppData\Local\Temp\Justificante de pago.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:100
- C:\Users\Admin\AppData\Local\directory\name.exe
  "C:\Users\Admin\AppData\Local\Temp\Justificante de pago.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:1504
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Justificante de pago.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:4228

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
e82db51cc781d6b53a1c430334237d8b

SHA1
8631d3b51ad60a2172686bdca75230db1d4d980b

SHA256
e080f9706527c90237f613bdb674112e2b5a6e2e14138498dc31397661fb7efb

SHA512
b191c4a30b68cb840f28e043c9237c0f536703096f2021716480adff82b8e53c0342d95668e6d5f3e766801cf03fc39277af4916a7f17e906de5b806e7996dcf

Download Submit
memory/100-2-0x00000000043B0000-0x00000000047B0000-memory.dmp

Filesize
4.0MB

Download
memory/1504-20-0x0000000003E90000-0x0000000004290000-memory.dmp

Filesize
4.0MB

Download
memory/1504-10-0x0000000003E90000-0x0000000004290000-memory.dmp

Filesize
4.0MB

Download
memory/4228-12-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4228-14-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4228-15-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4228-16-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/4228-17-0x0000000005AE0000-0x0000000005B06000-memory.dmp

Filesize
152KB

Download
memory/4228-18-0x00000000063B0000-0x0000000006954000-memory.dmp

Filesize
5.6MB

Download
memory/4228-19-0x0000000005EA0000-0x0000000005F3C000-memory.dmp

Filesize
624KB

Download
memory/4228-13-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4228-21-0x0000000006EF0000-0x0000000006F40000-memory.dmp

Filesize
320KB

Download
memory/4228-22-0x0000000007110000-0x00000000072D2000-memory.dmp

Filesize
1.8MB

Download
memory/4228-23-0x0000000006FE0000-0x0000000007072000-memory.dmp

Filesize
584KB

Download
memory/4228-24-0x0000000006F90000-0x0000000006F9A000-memory.dmp

Filesize
40KB

Download
memory/4228-25-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download

Analysis

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