snakekeylogger | d9955e9b3bb2d1c20357b690afe1fa0cc8ebf850b849edb6cd10f64f8144307e

Analysis

max time kernel
90s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
09/06/2022, 10:56

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General

Target
SWIFT1.exe
Size 13KB
Sample220609-m1ptwabeg3
SHA256 d9955e9b3bb2d1c20357b690afe1fa0cc8ebf850b849edb6cd10f64f8144307e
MD5 bdde8619866a5ccbda146ad16e9af40b
SHA1 eb0745f61b5d81acecdffb9dcc521552721fc859
SHA512 af29886204723aa9ea939d99f0c6e0f35dea8374e1c4d3fa416006faee98a3f1b23e3c63c7730559da3b63fcf4c1d9555f8a786120af6385751fb82e9cae5514
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5402813712:AAG__8vfwqo_1K9XHIpxzTR9T7UW4raysO4/sendMessage?chat_id=5034680713

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\hhhjjjj\\hhhjjjj.exe\","	SWIFT1.exe

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

Snake Keylogger Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3672-147-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	SWIFT1.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SWIFT1.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SWIFT1.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SWIFT1.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
34	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4160 set thread context of 3672	4160	SWIFT1.exe	91

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4196	timeout.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4120	powershell.exe
4120	powershell.exe
4160	SWIFT1.exe
4160	SWIFT1.exe
3672	SWIFT1.exe
3672	SWIFT1.exe
3672	SWIFT1.exe
3672	SWIFT1.exe
3672	SWIFT1.exe
3672	SWIFT1.exe
3672	SWIFT1.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4120	powershell.exe
Token: SeDebugPrivilege	4160	SWIFT1.exe
Token: SeDebugPrivilege	3672	SWIFT1.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 4120	4160	SWIFT1.exe	79
PID 4160 wrote to memory of 4120	4160	SWIFT1.exe	79
PID 4160 wrote to memory of 4120	4160	SWIFT1.exe	79
PID 4160 wrote to memory of 204	4160	SWIFT1.exe	87
PID 4160 wrote to memory of 204	4160	SWIFT1.exe	87
PID 4160 wrote to memory of 204	4160	SWIFT1.exe	87
PID 204 wrote to memory of 4196	204	cmd.exe	89
PID 204 wrote to memory of 4196	204	cmd.exe	89
PID 204 wrote to memory of 4196	204	cmd.exe	89
PID 4160 wrote to memory of 3672	4160	SWIFT1.exe	91
PID 4160 wrote to memory of 3672	4160	SWIFT1.exe	91
PID 4160 wrote to memory of 3672	4160	SWIFT1.exe	91
PID 4160 wrote to memory of 3672	4160	SWIFT1.exe	91
PID 4160 wrote to memory of 3672	4160	SWIFT1.exe	91
PID 4160 wrote to memory of 3672	4160	SWIFT1.exe	91
PID 4160 wrote to memory of 3672	4160	SWIFT1.exe	91
PID 4160 wrote to memory of 3672	4160	SWIFT1.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SWIFT1.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SWIFT1.exe

C:\Users\Admin\AppData\Local\Temp\SWIFT1.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFT1.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4160
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4120
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 50
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:204
- - C:\Windows\SysWOW64\timeout.exe
    timeout 50
    3⤵
    - Delays execution with timeout.exe
    PID:4196
- C:\Users\Admin\AppData\Local\Temp\SWIFT1.exe
  C:\Users\Admin\AppData\Local\Temp\SWIFT1.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

SWIFT1.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SWIFT1.exe.log
Size 1KB
SHA256 90cad9ea7e0a84213929adaf934daf8447f2bb99027fb90648a9d2cf0b36300e
MD5 3c485da05806092761ed2c34cdf66ea8
SHA1 0694a1877b60e9f15508c8f1086142453d3b71b3
SHA512 04397f7e882aaff541d5a332260119d1468977958ae9b2f3905e98c0c20bc6cd695a3b9fe92c8f538872666417ab77c517c3543cf787ddf18bfe491c82b886cb
MD5 SHA1 SHA512

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memory/3672-151-0x00000000069A0000-0x00000000069AA000-memory.dmp

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memory/3672-150-0x0000000006A30000-0x0000000006BF2000-memory.dmp

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memory/3672-149-0x0000000005760000-0x00000000057FC000-memory.dmp

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memory/3672-147-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/4120-140-0x0000000008100000-0x000000000877A000-memory.dmp

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memory/4120-137-0x0000000006710000-0x000000000672E000-memory.dmp

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memory/4120-139-0x0000000007A00000-0x0000000007A76000-memory.dmp

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memory/4120-141-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

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memory/4120-132-0x0000000005150000-0x0000000005186000-memory.dmp

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memory/4120-133-0x00000000057D0000-0x0000000005DF8000-memory.dmp

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memory/4120-138-0x0000000006CA0000-0x0000000006CE4000-memory.dmp

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memory/4120-134-0x0000000005750000-0x0000000005772000-memory.dmp

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memory/4120-136-0x00000000060A0000-0x0000000006106000-memory.dmp

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memory/4120-135-0x0000000006030000-0x0000000006096000-memory.dmp

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memory/4160-143-0x00000000065A0000-0x0000000006632000-memory.dmp

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memory/4160-142-0x0000000006A50000-0x0000000006FF4000-memory.dmp

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memory/4160-130-0x0000000000A70000-0x0000000000A78000-memory.dmp

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