snakekeylogger | c99b050645ebbc138018a9dcb4c3029bc1a9aa9376e7541c1011e815942948e1

Resubmissions

01-02-2023 17:02

230201-vj6p3aah39 10

01-02-2023 17:00

230201-vjf5eacg4s 10

01-02-2023 16:57

230201-vgbrxacg2y 10

Analysis

max time kernel
140s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2023 16:57

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General

Target

Maersk Shipping Docs.exe
Size

618KB
MD5

44d5f28d8c991060173cb3656c41c5f8
SHA1

a84aae8b5f67d315ce5a38ad09ddef4400dbc0b4
SHA256

f9aa33269f7d56d6a16db1c91b5ce0df11fbe25c50d2c3f2222e07b83098d212
SHA512

55bd716b64c97da1b4dde39e7b0da03703ced82733a1cf6a6e33a236c2c66a3462bad1dba2218591e835a0d541d054b4e180b412b59493d7c660ddf420277d3b
SSDEEP

12288:BmsaDf3H2cE2pmlWmYwaiwHliNj6Weh3ih9HnA:BWWmcZs80BYTA

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.wilcon.com.ph
Port:
587
Username:
headcashier.alabang@wilcon.com.ph
Password:
password@cashier
Email To:
p4perlord@yandex.com

https://api.telegram.org/bot5839027687:AAGrC4UWgd0JQxMHOf1dCehA-oSrYF_Bez8/sendMessage?chat_id=1094077450

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral16/memory/4752-141-0x0000000000400000-0x0000000000426000-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

Processes:

Maersk Shipping Docs.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	Maersk Shipping Docs.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:

Maersk Shipping Docs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Maersk Shipping Docs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Maersk Shipping Docs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Maersk Shipping Docs.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

2 checkip.dyndns.org

flow	ioc
2	checkip.dyndns.org

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{D98D811E-1934-4B68-9289-282BD9487FEF}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{8B6696D3-BA5C-408F-9C08-C570CC6AC4E2}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Maersk Shipping Docs.exe

description pid process target process

PID 1544 set thread context of 4752 1544 Maersk Shipping Docs.exe Maersk Shipping Docs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 1544 set thread context of 4752	1544	Maersk Shipping Docs.exe	Maersk Shipping Docs.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1728 schtasks.exe

pid	process
1728	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeMaersk Shipping Docs.exe

pid process

1928 powershell.exe
4752 Maersk Shipping Docs.exe
1928 powershell.exe
4752 Maersk Shipping Docs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeMaersk Shipping Docs.exe

description pid process

Token: SeDebugPrivilege 1928 powershell.exe
Token: SeDebugPrivilege 4752 Maersk Shipping Docs.exe

pid	process
1928	powershell.exe
4752	Maersk Shipping Docs.exe
1928	powershell.exe
4752	Maersk Shipping Docs.exe

description	pid	process
Token: SeDebugPrivilege	1928	powershell.exe
Token: SeDebugPrivilege	4752	Maersk Shipping Docs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Maersk Shipping Docs.exe

description	pid	process	target process
PID 1544 wrote to memory of 1928	1544	Maersk Shipping Docs.exe	powershell.exe
PID 1544 wrote to memory of 1928	1544	Maersk Shipping Docs.exe	powershell.exe
PID 1544 wrote to memory of 1928	1544	Maersk Shipping Docs.exe	powershell.exe
PID 1544 wrote to memory of 1728	1544	Maersk Shipping Docs.exe	schtasks.exe
PID 1544 wrote to memory of 1728	1544	Maersk Shipping Docs.exe	schtasks.exe
PID 1544 wrote to memory of 1728	1544	Maersk Shipping Docs.exe	schtasks.exe
PID 1544 wrote to memory of 4752	1544	Maersk Shipping Docs.exe	Maersk Shipping Docs.exe
PID 1544 wrote to memory of 4752	1544	Maersk Shipping Docs.exe	Maersk Shipping Docs.exe
PID 1544 wrote to memory of 4752	1544	Maersk Shipping Docs.exe	Maersk Shipping Docs.exe
PID 1544 wrote to memory of 4752	1544	Maersk Shipping Docs.exe	Maersk Shipping Docs.exe
PID 1544 wrote to memory of 4752	1544	Maersk Shipping Docs.exe	Maersk Shipping Docs.exe
PID 1544 wrote to memory of 4752	1544	Maersk Shipping Docs.exe	Maersk Shipping Docs.exe
PID 1544 wrote to memory of 4752	1544	Maersk Shipping Docs.exe	Maersk Shipping Docs.exe
PID 1544 wrote to memory of 4752	1544	Maersk Shipping Docs.exe	Maersk Shipping Docs.exe

outlook_office_path 1 IoCs

Processes:

Maersk Shipping Docs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Maersk Shipping Docs.exe

outlook_win_path 1 IoCs

Processes:

Maersk Shipping Docs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Maersk Shipping Docs.exe

C:\Users\Admin\AppData\Local\Temp\Maersk Shipping Docs.exe
"C:\Users\Admin\AppData\Local\Temp\Maersk Shipping Docs.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1544

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\laYtZHUX.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1928

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\laYtZHUX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA43F.tmp"
2⤵
- Creates scheduled task(s)
PID:1728

C:\Users\Admin\AppData\Local\Temp\Maersk Shipping Docs.exe
"C:\Users\Admin\AppData\Local\Temp\Maersk Shipping Docs.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4752

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4204

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA43F.tmp
Filesize
1KB

MD5
12c80dac620a6d1d38aa9b0a3602ece3

SHA1
f576a81aeea73a9b9d2031bab58b1e5903e2282d

SHA256
b8ce8969ef69ba9cd6ad04ef3bd672a25244a7d5df98da8781c6e85bd39ffeae

SHA512
78cf0eaba966f15f213edc9ce2004666ef341b19fa50d588da641b5fe2a7a07d1e892de3fa974d80eb27b135be96bc62f42f6ea65662b9feef732e662513baf3

Download Submit
memory/1544-133-0x00000000059C0000-0x0000000005A52000-memory.dmp

Filesize
584KB

Download
memory/1544-134-0x0000000005D00000-0x0000000005D9C000-memory.dmp

Filesize
624KB

Download
memory/1544-132-0x0000000000E20000-0x0000000000EC0000-memory.dmp

Filesize
640KB

Download
memory/1728-136-0x0000000000000000-mapping.dmp

Download
memory/1928-144-0x0000000005F10000-0x0000000005F76000-memory.dmp

Filesize
408KB

Download
memory/1928-148-0x00000000708B0000-0x00000000708FC000-memory.dmp

Filesize
304KB

Download
memory/1928-137-0x0000000005090000-0x00000000050C6000-memory.dmp

Filesize
216KB

Download
memory/1928-158-0x0000000007C80000-0x0000000007C88000-memory.dmp

Filesize
32KB

Download
memory/1928-157-0x0000000007CA0000-0x0000000007CBA000-memory.dmp

Filesize
104KB

Download
memory/1928-142-0x0000000005590000-0x00000000055B2000-memory.dmp

Filesize
136KB

Download
memory/1928-143-0x0000000005EA0000-0x0000000005F06000-memory.dmp

Filesize
408KB

Download
memory/1928-135-0x0000000000000000-mapping.dmp

Download
memory/1928-155-0x0000000007B90000-0x0000000007B9E000-memory.dmp

Filesize
56KB

Download
memory/1928-146-0x0000000006650000-0x000000000666E000-memory.dmp

Filesize
120KB

Download
memory/1928-147-0x0000000007830000-0x0000000007862000-memory.dmp

Filesize
200KB

Download
memory/1928-138-0x0000000005700000-0x0000000005D28000-memory.dmp

Filesize
6.2MB

Download
memory/1928-149-0x0000000006BE0000-0x0000000006BFE000-memory.dmp

Filesize
120KB

Download
memory/1928-150-0x0000000007FB0000-0x000000000862A000-memory.dmp

Filesize
6.5MB

Download
memory/1928-151-0x0000000007960000-0x000000000797A000-memory.dmp

Filesize
104KB

Download
memory/1928-152-0x00000000079D0000-0x00000000079DA000-memory.dmp

Filesize
40KB

Download
memory/1928-153-0x0000000007BE0000-0x0000000007C76000-memory.dmp

Filesize
600KB

Download
memory/4752-154-0x0000000006A10000-0x0000000006BD2000-memory.dmp

Filesize
1.8MB

Download
memory/4752-145-0x0000000005BC0000-0x0000000006164000-memory.dmp

Filesize
5.6MB

Download
memory/4752-156-0x00000000069D0000-0x00000000069DA000-memory.dmp

Filesize
40KB

Download
memory/4752-141-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4752-140-0x0000000000000000-mapping.dmp

Download