snakekeylogger | 1f0ef4fc5add951652abf5703c97934a6072ba87ba209f0ba1407ed466f6bb98

General

Target

1f0ef4fc5add951652abf5703c97934a6072ba87ba209f0ba1407ed466f6bb98.js
Size

7KB
MD5

e961e6c85529967631d08dc53a13f0ae
SHA1

53d75f1fd3dd3f5738b395d6e66147f8e934bc7b
SHA256

1f0ef4fc5add951652abf5703c97934a6072ba87ba209f0ba1407ed466f6bb98
SHA512

f5ef8f0aa639238c6dde4d1e80cb6d80ab0ec8904eb4f2cfef332ae9b2e033bb2ee4cb1fc8012a7473dadd707e5847e6977d66c239e0efa3d95bd0cf8f787c4a
SSDEEP

48:7PB7fqihtV7wGF7OE3qMdlwURxp7gltFYpHwmAhHmY6mn7U7f:7PB7fqihtNwm7OE3ZfJ7gltFYBZYh7yf

Score

10^/10

snakekeylogger wshrat collection discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
ralt kojp vxay jkla

Extracted

Family

wshrat

C2

http://chongmei33.publicvm.com:7045

Signatures

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

Snake Keylogger payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023c98-20.dat	family_snakekeylogger
behavioral2/memory/220-28-0x0000000000340000-0x0000000000366000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat
Wshrat family
wshrat

Blocklisted process makes network request 27 IoCs

flow	pid	Process
2	4720	wscript.exe
20	3568	wscript.exe
22	3568	wscript.exe
26	3568	wscript.exe
29	3568	wscript.exe
34	3568	wscript.exe
41	3568	wscript.exe
50	3568	wscript.exe
51	3568	wscript.exe
52	3568	wscript.exe
53	3568	wscript.exe
54	3568	wscript.exe
58	3568	wscript.exe
59	3568	wscript.exe
60	3568	wscript.exe
61	3568	wscript.exe
62	3568	wscript.exe
67	3568	wscript.exe
69	3568	wscript.exe
70	3568	wscript.exe
71	3568	wscript.exe
72	3568	wscript.exe
73	3568	wscript.exe
74	3568	wscript.exe
75	3568	wscript.exe
76	3568	wscript.exe
77	3568	wscript.exe

Checks computer location settings 2 TTPs 5 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GxO.vbs	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GxO.vbs	WScript.exe

Executes dropped EXE 1 IoCs

pid	Process
220	ZqrN.exe

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
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ZqrN.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ZqrN.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ZqrN.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GxO = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\GxO.vbs\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GxO = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\GxO.vbs\""	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GxO = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\GxO.vbs\""	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GxO = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\GxO.vbs\""	wscript.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
14	checkip.dyndns.org
19	ip-api.com

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
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 1 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	ZqrN.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings	WScript.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings	WScript.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
220	ZqrN.exe
220	ZqrN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	ZqrN.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 4280	4720	wscript.exe	82
PID 4720 wrote to memory of 4280	4720	wscript.exe	82
PID 4280 wrote to memory of 3584	4280	WScript.exe	83
PID 4280 wrote to memory of 3584	4280	WScript.exe	83
PID 4280 wrote to memory of 428	4280	WScript.exe	84
PID 4280 wrote to memory of 428	4280	WScript.exe	84
PID 3584 wrote to memory of 2608	3584	WScript.exe	85
PID 3584 wrote to memory of 2608	3584	WScript.exe	85
PID 428 wrote to memory of 220	428	WScript.exe	86
PID 428 wrote to memory of 220	428	WScript.exe	86
PID 428 wrote to memory of 220	428	WScript.exe	86
PID 2608 wrote to memory of 3568	2608	WScript.exe	87
PID 2608 wrote to memory of 3568	2608	WScript.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ZqrN.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ZqrN.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\1f0ef4fc5add951652abf5703c97934a6072ba87ba209f0ba1407ed466f6bb98.js
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\OPXCFY.js"
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4280
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\WindowsAudio.js"
    3⤵
    - Checks computer location settings
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:3584
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\GxO.vbs"
      4⤵
      Checks computer location settings
      Drops startup file
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:2608
    - - C:\Windows\System32\wscript.exe
        
        "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\GxO.vbs"
        5⤵
        Blocklisted process makes network request
        Drops startup file
        Adds Run key to start application
        
        PID:3568
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\adobe.js"
    3⤵
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:428
  - - C:\Users\Admin\AppData\Local\Temp\ZqrN.exe
      "C:\Users\Admin\AppData\Local\Temp\ZqrN.exe"
      4⤵
      Executes dropped EXE
      Accesses Microsoft Outlook profiles
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      outlook_office_path
      outlook_win_path
      PID:220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

JavaScript

1

T1059.007

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TRPPE7V2\json[1].json

Filesize
291B

MD5
c085beeb6f771b90fed94c1d940f97f6

SHA1
44a994d9175d6abaa9a3b5718e242fa659aed66a

SHA256
ff5681f440a7a4b019a4a59f43ad414393321d1eb6dc3874cea0a84e73a83c51

SHA512
9d000581b287cd3d5464c33c260008090369a4f5f380b7cfa72eb0fc3221ce0e07df0387f6d3d6b38253c215250ac873dec0f52c501e3d6312f0a5437723a76a

Download Submit
C:\Users\Admin\AppData\Local\Temp\GxO.vbs

Filesize
861KB

MD5
2c38711037f77a66c571beca37212473

SHA1
dfcc23612a0b01f3be4e9dfe1158c0d878fafcf8

SHA256
cdb87f940c4a74c8c4f6e49881418b852cab544dd0c62f6201cb7e0f6825aada

SHA512
7e7b985e1d51b6cba3bf0e656d5dc1b358727d3c50334e5c4d0aac6f0a84b8ec29c4896a6a0d805d3eb8549600e636adb08491aa309f55ef61cc5e2dbbbcfda3

Download Submit
C:\Users\Admin\AppData\Local\Temp\OPXCFY.js

Filesize
1.8MB

MD5
5cbd790c1378134731dc246a81c93407

SHA1
5830dbee39be0a297112f0c370ec0fe262e3481a

SHA256
20db27c44f4d385c66f6753ce3afc9d9c7a89802f817f896c341c66636c2cd47

SHA512
b18cb8f6c4464d288ffcb601cdc4fb8b8a5da0c5702cc1ba27deafeb43dc7b7d998a0e9773fb93564fe93d6c55a24e4c66d96464a32c717e4e5d1bcf738349c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\WindowsAudio.js

Filesize
1.1MB

MD5
98580a656c68b3f635dc03194073f889

SHA1
08fc5771841b25dbdbb1ba2e6c519add747e4413

SHA256
0b2d1630032ee6b65cc35650f78a34487b8d784c6fb882340e44051f2b3b50ae

SHA512
0bc77b7e00030dd3adb8ae4769eeeff067b25595f0450de0827b2fcf8330713331f3922956aa5f8c3ef3ced7365db45a15ba3e8b625af13f40085cc1f090e89d

Download Submit
C:\Users\Admin\AppData\Local\Temp\ZqrN.exe

Filesize
129KB

MD5
ad1d0676362d866735f0d532f8e3d581

SHA1
a16badc35300527d38e9d3ff6af1c1e1265c5b39

SHA256
09251632adbf8aae4c9246ddc36375f66d41f0030c6adcc664dcf2773053735c

SHA512
e8685ed84b76ab0d0698b0dadc8af4d7a6481ab08656e22885c68a2172983e33feb462e21336911bab3600373381baca594cba48be5e07b7712e3e9b6e99d8c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\adobe.js

Filesize
194KB

MD5
8ca638b30fea8a14b3de0e271a4fc225

SHA1
7c33f879a39b852f3e8b7d05ee3d240259696b5e

SHA256
58fd32619eed98484f0f071c1d18a81490ffccaf5be21836cbdbf5083e68662f

SHA512
548e6f7f62056217a2124524d08af30dab8f77368d44d175bf20c66d5babcacf97dfcf3d44cc3b60255d29d3d76ccc20413db9238f466265cda2347bde1a237f

Download Submit
memory/220-29-0x0000000005200000-0x00000000057A4000-memory.dmp

Filesize
5.6MB

Download
memory/220-30-0x0000000004D50000-0x0000000004DEC000-memory.dmp

Filesize
624KB

Download
memory/220-40-0x00000000061C0000-0x0000000006210000-memory.dmp

Filesize
320KB

Download
memory/220-41-0x00000000063E0000-0x00000000065A2000-memory.dmp

Filesize
1.8MB

Download
memory/220-42-0x00000000062B0000-0x0000000006342000-memory.dmp

Filesize
584KB

Download
memory/220-43-0x0000000006260000-0x000000000626A000-memory.dmp

Filesize
40KB

Download
memory/220-28-0x0000000000340000-0x0000000000366000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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