snakekeylogger | 58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2

General

Target

Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
Size

1.1MB
MD5

cc9b17d7e2fd4cd0150c27eb6aa57b74
SHA1

3eed0a0e06be6d082e3965545ef367a7a6694d68
SHA256

58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2
SHA512

b3d35f5cbca4865bbb839321715b5a55d4f5be39ed75a7bde8536fda4012c002c8a86c91b26b78633bc294aeb1d63a7022f384a1dbfd0fdb015fb0ac563c4bfa
SSDEEP

24576:iAHnh+eWsN3skA4RV1Hom2KXMmHalntScQWro5:lh+ZkldoPK8YarS2y

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.daipro.com.mx
Port:
587
Username:
[email protected]
Password:
DAIpro123**
Email To:
[email protected]

C2

https://scratchdreams.tk

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2436-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2436-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2436-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Drops startup file 1 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
2844	brawlis.exe

Loads dropped DLL 1 IoCs

pid	Process
2448	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\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
4	checkip.dyndns.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0002000000018334-8.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2844 set thread context of 2436	2844	brawlis.exe	31

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	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	brawlis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2436	RegSvcs.exe
2436	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2844	brawlis.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2448	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
2448	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
2844	brawlis.exe
2844	brawlis.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2448	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
2448	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
2844	brawlis.exe
2844	brawlis.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2844	2448	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe	30
PID 2448 wrote to memory of 2844	2448	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe	30
PID 2448 wrote to memory of 2844	2448	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe	30
PID 2448 wrote to memory of 2844	2448	Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe	30
PID 2844 wrote to memory of 2436	2844	brawlis.exe	31
PID 2844 wrote to memory of 2436	2844	brawlis.exe	31
PID 2844 wrote to memory of 2436	2844	brawlis.exe	31
PID 2844 wrote to memory of 2436	2844	brawlis.exe	31
PID 2844 wrote to memory of 2436	2844	brawlis.exe	31
PID 2844 wrote to memory of 2436	2844	brawlis.exe	31
PID 2844 wrote to memory of 2436	2844	brawlis.exe	31
PID 2844 wrote to memory of 2436	2844	brawlis.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\unprickled\brawlis.exe
  "C:\Users\Admin\AppData\Local\Temp\Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - 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:2844
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\Sigmanly_58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2.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:2436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

\Users\Admin\AppData\Local\unprickled\brawlis.exe

Filesize
1.1MB

MD5
cc9b17d7e2fd4cd0150c27eb6aa57b74

SHA1
3eed0a0e06be6d082e3965545ef367a7a6694d68

SHA256
58cc97c8ec91ff5751fefc5eb22620f80c05b1fc81b7447d8475c67b31b4e4d2

SHA512
b3d35f5cbca4865bbb839321715b5a55d4f5be39ed75a7bde8536fda4012c002c8a86c91b26b78633bc294aeb1d63a7022f384a1dbfd0fdb015fb0ac563c4bfa

Download Submit
memory/2436-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2436-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2436-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2436-27-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/2436-28-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-29-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/2436-30-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2448-6-0x00000000009A0000-0x0000000000DA0000-memory.dmp

Filesize
4.0MB

Download
memory/2844-20-0x0000000000A80000-0x0000000000E80000-memory.dmp

Filesize
4.0MB

Download

Analysis

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