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
505s
max time network
509s
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 17:02

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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:
[email protected]
Password:
password@cashier
Email To:
[email protected]

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

resource	yara_rule
behavioral16/memory/3976-141-0x0000000000400000-0x0000000000426000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Maersk Shipping Docs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Maersk Shipping Docs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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.

flow	ioc
80	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 3976	2764	Maersk Shipping Docs.exe	92

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

System Information Discovery
T1082

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

pid	Process
3312	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1364	powershell.exe
3976	Maersk Shipping Docs.exe
1364	powershell.exe
3976	Maersk Shipping Docs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1364	powershell.exe
Token: SeDebugPrivilege	3976	Maersk Shipping Docs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 1364	2764	Maersk Shipping Docs.exe	88
PID 2764 wrote to memory of 1364	2764	Maersk Shipping Docs.exe	88
PID 2764 wrote to memory of 1364	2764	Maersk Shipping Docs.exe	88
PID 2764 wrote to memory of 3312	2764	Maersk Shipping Docs.exe	90
PID 2764 wrote to memory of 3312	2764	Maersk Shipping Docs.exe	90
PID 2764 wrote to memory of 3312	2764	Maersk Shipping Docs.exe	90
PID 2764 wrote to memory of 3976	2764	Maersk Shipping Docs.exe	92
PID 2764 wrote to memory of 3976	2764	Maersk Shipping Docs.exe	92
PID 2764 wrote to memory of 3976	2764	Maersk Shipping Docs.exe	92
PID 2764 wrote to memory of 3976	2764	Maersk Shipping Docs.exe	92
PID 2764 wrote to memory of 3976	2764	Maersk Shipping Docs.exe	92
PID 2764 wrote to memory of 3976	2764	Maersk Shipping Docs.exe	92
PID 2764 wrote to memory of 3976	2764	Maersk Shipping Docs.exe	92
PID 2764 wrote to memory of 3976	2764	Maersk Shipping Docs.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Maersk Shipping Docs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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:2764
- 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:1364
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\laYtZHUX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp271.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3312
- 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:3976

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Maersk Shipping Docs.exe.log

Filesize
1KB

MD5
e50d61d6d5cec0d2c6b3fbf02b17af2d

SHA1
fcf43f96e7389c27ee201fb00b65db01ca2cee40

SHA256
a87cf2dbf70a59d3d347f9ca743b6ceb3c805b4714cf4fb963c18b9ca8ffd0a9

SHA512
0348b60095cd48d275a5234fe34c1fd7a7c9921e1d92dafea0379d607f898eb1c2e089dafa1db608fad65497fc8f90fa699109b06a5f2c12c0bc8c9192ff9924

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp271.tmp

Filesize
1KB

MD5
20473da56ace1826130ecdbab3866158

SHA1
d28dde906972f207870122a75376cc323c54ea18

SHA256
29c14446a2e546e60447f40c2681e6fe82f2d3a42709a1eb5cb051e7112fb598

SHA512
c47995f1c7e83fe7fd4435706aa8d77a3da12551f1de0c12cd620bde19b25f8c4ad2bb3c9fee19917af166bc8e94772197b70f925a18edc4f37d1f7f1823e3e4

Download Submit
memory/1364-153-0x0000000007760000-0x000000000776A000-memory.dmp

Filesize
40KB

Download
memory/1364-143-0x0000000005330000-0x0000000005352000-memory.dmp

Filesize
136KB

Download
memory/1364-147-0x00000000063F0000-0x000000000640E000-memory.dmp

Filesize
120KB

Download
memory/1364-148-0x00000000073C0000-0x00000000073F2000-memory.dmp

Filesize
200KB

Download
memory/1364-152-0x00000000076F0000-0x000000000770A000-memory.dmp

Filesize
104KB

Download
memory/1364-140-0x00000000055F0000-0x0000000005C18000-memory.dmp

Filesize
6.2MB

Download
memory/1364-157-0x0000000007A10000-0x0000000007A18000-memory.dmp

Filesize
32KB

Download
memory/1364-156-0x0000000007A30000-0x0000000007A4A000-memory.dmp

Filesize
104KB

Download
memory/1364-151-0x0000000007D30000-0x00000000083AA000-memory.dmp

Filesize
6.5MB

Download
memory/1364-154-0x0000000007970000-0x0000000007A06000-memory.dmp

Filesize
600KB

Download
memory/1364-144-0x0000000005C20000-0x0000000005C86000-memory.dmp

Filesize
408KB

Download
memory/1364-145-0x0000000005DC0000-0x0000000005E26000-memory.dmp

Filesize
408KB

Download
memory/1364-155-0x0000000007920000-0x000000000792E000-memory.dmp

Filesize
56KB

Download
memory/1364-137-0x0000000004EA0000-0x0000000004ED6000-memory.dmp

Filesize
216KB

Download
memory/1364-149-0x00000000705A0000-0x00000000705EC000-memory.dmp

Filesize
304KB

Download
memory/1364-150-0x00000000069A0000-0x00000000069BE000-memory.dmp

Filesize
120KB

Download
memory/2764-133-0x0000000005710000-0x00000000057A2000-memory.dmp

Filesize
584KB

Download
memory/2764-134-0x0000000005A50000-0x0000000005AEC000-memory.dmp

Filesize
624KB

Download
memory/2764-132-0x0000000000B70000-0x0000000000C10000-memory.dmp

Filesize
640KB

Download
memory/3976-159-0x00000000067B0000-0x00000000067BA000-memory.dmp

Filesize
40KB

Download
memory/3976-141-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3976-158-0x0000000006800000-0x00000000069C2000-memory.dmp

Filesize
1.8MB

Download
memory/3976-146-0x0000000005880000-0x0000000005E24000-memory.dmp

Filesize
5.6MB

Download