snakekeylogger | a1691d6ed11886675a6470ca097d0456af5105b731c8b6083e41d440aafdb2df

General

Target

SWIFT DEL BANCO ....pdf.exe
Size

703KB
MD5

081ca4270f480233f8cc4a2cf6b33937
SHA1

e6bb74aa87a11648efd7db06e3b8abc028ba65b5
SHA256

e57f34e78fdce24981c1d9e6a40f686f9cf734e2a9d9e851ae47bba9d0f56dbf
SHA512

5fc8737eaea950de3c533ef4684ae03568dcbf587650e54aee23f2318e49db1b6486cdcdef73fe4b68d6ea1511fe398f583c501c5d4cad32ff89a9a62023711e
SSDEEP

12288:4so1zGksv+SGjpA3yKUUo6a8fZhfXvJOha5zZglTfHnGTHxYYQ0rgF9xqq6wwBPU:01zGUxjuZxx3dCT+DbsXkJ43x

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7778964135:AAGwyiOaaqks3s5KrOkXWmxcGXjj3R5nqBY/sendMessage?chat_id=5600682828

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2008-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2008-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2008-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2008-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2008-10-0x0000000000400000-0x0000000000426000-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
2832	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2168 set thread context of 2008	2168	SWIFT DEL BANCO ....pdf.exe	33

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	SWIFT DEL BANCO ....pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2168	SWIFT DEL BANCO ....pdf.exe
2168	SWIFT DEL BANCO ....pdf.exe
2008	RegSvcs.exe
2832	powershell.exe
2008	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	SWIFT DEL BANCO ....pdf.exe
Token: SeDebugPrivilege	2008	RegSvcs.exe
Token: SeDebugPrivilege	2832	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2832	2168	SWIFT DEL BANCO ....pdf.exe	30
PID 2168 wrote to memory of 2832	2168	SWIFT DEL BANCO ....pdf.exe	30
PID 2168 wrote to memory of 2832	2168	SWIFT DEL BANCO ....pdf.exe	30
PID 2168 wrote to memory of 2832	2168	SWIFT DEL BANCO ....pdf.exe	30
PID 2168 wrote to memory of 2600	2168	SWIFT DEL BANCO ....pdf.exe	32
PID 2168 wrote to memory of 2600	2168	SWIFT DEL BANCO ....pdf.exe	32
PID 2168 wrote to memory of 2600	2168	SWIFT DEL BANCO ....pdf.exe	32
PID 2168 wrote to memory of 2600	2168	SWIFT DEL BANCO ....pdf.exe	32
PID 2168 wrote to memory of 2600	2168	SWIFT DEL BANCO ....pdf.exe	32
PID 2168 wrote to memory of 2600	2168	SWIFT DEL BANCO ....pdf.exe	32
PID 2168 wrote to memory of 2600	2168	SWIFT DEL BANCO ....pdf.exe	32
PID 2168 wrote to memory of 2008	2168	SWIFT DEL BANCO ....pdf.exe	33
PID 2168 wrote to memory of 2008	2168	SWIFT DEL BANCO ....pdf.exe	33
PID 2168 wrote to memory of 2008	2168	SWIFT DEL BANCO ....pdf.exe	33
PID 2168 wrote to memory of 2008	2168	SWIFT DEL BANCO ....pdf.exe	33
PID 2168 wrote to memory of 2008	2168	SWIFT DEL BANCO ....pdf.exe	33
PID 2168 wrote to memory of 2008	2168	SWIFT DEL BANCO ....pdf.exe	33
PID 2168 wrote to memory of 2008	2168	SWIFT DEL BANCO ....pdf.exe	33
PID 2168 wrote to memory of 2008	2168	SWIFT DEL BANCO ....pdf.exe	33
PID 2168 wrote to memory of 2008	2168	SWIFT DEL BANCO ....pdf.exe	33
PID 2168 wrote to memory of 2008	2168	SWIFT DEL BANCO ....pdf.exe	33
PID 2168 wrote to memory of 2008	2168	SWIFT DEL BANCO ....pdf.exe	33
PID 2168 wrote to memory of 2008	2168	SWIFT DEL BANCO ....pdf.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SWIFT DEL BANCO ....pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFT DEL BANCO ....pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SWIFT DEL BANCO ....pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2832
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2600
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

Replay Monitor

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Downloads

memory/2008-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2008-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2008-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2008-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2008-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2008-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2008-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2008-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2168-4-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/2168-6-0x0000000004990000-0x00000000049FA000-memory.dmp

Filesize
424KB

Download
memory/2168-1-0x0000000000BF0000-0x0000000000CA6000-memory.dmp

Filesize
728KB

Download
memory/2168-5-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/2168-3-0x0000000000610000-0x0000000000628000-memory.dmp

Filesize
96KB

Download
memory/2168-2-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-21-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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