wshrat | af6ece1e6be8d5511a407806c24ca95fbf9e69e6ec595830342dc748868a0d0d

General

Target

PackageTracking.js
Size

2.2MB
MD5

4331a93b3bb41b1dbee33654a356e185
SHA1

5a69f4e88f9ab7e6d7278ae16860c634593bfaa8
SHA256

af6ece1e6be8d5511a407806c24ca95fbf9e69e6ec595830342dc748868a0d0d
SHA512

2e5c3b9a29e39c167336824244868b953908bda5b7e94a02ab0549785d966792d60bed310f4df547c97c1dbccd4742f6ca570f8638c46495955d91176a64338e
SSDEEP

12288:mJvm6+EhCkN1tbZvbssZ+nMXGiK5qqQvUknS+jN55EnMQ7Q0lq8JgEFJPwMhy+lQ:iR5j1DvRXG9Jy8CUPfpg59QIMrJFA

Score

10^/10

wshrat persistence trojan

Malware Config

Extracted

Family

wshrat

C2

http://172.93.181.132:4848

Signatures

WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

Blocklisted process makes network request 28 IoCs

flow	pid	Process
14	4768	wscript.exe
23	4768	wscript.exe
24	4768	wscript.exe
38	4768	wscript.exe
40	4768	wscript.exe
41	4768	wscript.exe
43	4768	wscript.exe
48	4768	wscript.exe
49	4768	wscript.exe
53	4768	wscript.exe
55	4768	wscript.exe
56	4768	wscript.exe
57	4768	wscript.exe
59	4768	wscript.exe
62	4768	wscript.exe
63	4768	wscript.exe
64	4768	wscript.exe
65	4768	wscript.exe
67	4768	wscript.exe
68	4768	wscript.exe
69	4768	wscript.exe
70	4768	wscript.exe
72	4768	wscript.exe
73	4768	wscript.exe
74	4768	wscript.exe
75	4768	wscript.exe
82	4768	wscript.exe
83	4768	wscript.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

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

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PackageTracking = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PackageTracking.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PackageTracking = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PackageTracking.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PackageTracking = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PackageTracking.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PackageTracking = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PackageTracking.js\""	wscript.exe

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

System Information Discovery
T1082

Script User-Agent 28 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	38	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	68	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	24	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	41	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	43	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	57	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	59	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	64	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	23	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	55	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	56	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	65	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	49	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	63	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	67	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	69	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	75	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	82	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	70	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	72	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	14	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	48	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	53	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	73	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	40	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	62	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	83	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript
HTTP User-Agent header	74	WSHRAT\|78F0674A\|HCIDPJOT\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/6/2023\|JavaScript

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 676 wrote to memory of 4464	676	wscript.exe	85
PID 676 wrote to memory of 4464	676	wscript.exe	85
PID 676 wrote to memory of 4768	676	wscript.exe	86
PID 676 wrote to memory of 4768	676	wscript.exe	86
PID 4768 wrote to memory of 1612	4768	wscript.exe	87
PID 4768 wrote to memory of 1612	4768	wscript.exe	87

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\PackageTracking.js
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:676
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\FTaAuZTnIA.js"
  2⤵
  PID:4464
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\PackageTracking.js"
  2⤵
  - Blocklisted process makes network request
  - Checks computer location settings
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4768
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\FTaAuZTnIA.js"
    3⤵
    PID:1612

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\FTaAuZTnIA.js

Filesize
341KB

MD5
c6041b8e692173004a1454e74fa315bc

SHA1
1175b3b4a1efc85eaaeeb46eba40cb8e0dc8e1b3

SHA256
c11fc52a1e2a7fee44f5d1aff7b4f37eeb56a927d5375bef1308acc31b1d1e4b

SHA512
7b02a0aa71a0fdaf251b553ca47fc925cc1fab977fef6e309a65f8687ef95541fe577831344950d6222c69b15aa72c01b5d1409d1c0d3ba1a1be112afb195d3a

Download Submit
C:\Users\Admin\AppData\Roaming\FTaAuZTnIA.js

Filesize
341KB

MD5
c6041b8e692173004a1454e74fa315bc

SHA1
1175b3b4a1efc85eaaeeb46eba40cb8e0dc8e1b3

SHA256
c11fc52a1e2a7fee44f5d1aff7b4f37eeb56a927d5375bef1308acc31b1d1e4b

SHA512
7b02a0aa71a0fdaf251b553ca47fc925cc1fab977fef6e309a65f8687ef95541fe577831344950d6222c69b15aa72c01b5d1409d1c0d3ba1a1be112afb195d3a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PackageTracking.js

Filesize
2.2MB

MD5
4331a93b3bb41b1dbee33654a356e185

SHA1
5a69f4e88f9ab7e6d7278ae16860c634593bfaa8

SHA256
af6ece1e6be8d5511a407806c24ca95fbf9e69e6ec595830342dc748868a0d0d

SHA512
2e5c3b9a29e39c167336824244868b953908bda5b7e94a02ab0549785d966792d60bed310f4df547c97c1dbccd4742f6ca570f8638c46495955d91176a64338e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PackageTracking.js

Filesize
2.2MB

MD5
4331a93b3bb41b1dbee33654a356e185

SHA1
5a69f4e88f9ab7e6d7278ae16860c634593bfaa8

SHA256
af6ece1e6be8d5511a407806c24ca95fbf9e69e6ec595830342dc748868a0d0d

SHA512
2e5c3b9a29e39c167336824244868b953908bda5b7e94a02ab0549785d966792d60bed310f4df547c97c1dbccd4742f6ca570f8638c46495955d91176a64338e

Download Submit
C:\Users\Admin\AppData\Roaming\PackageTracking.js

Filesize
2.2MB

MD5
4331a93b3bb41b1dbee33654a356e185

SHA1
5a69f4e88f9ab7e6d7278ae16860c634593bfaa8

SHA256
af6ece1e6be8d5511a407806c24ca95fbf9e69e6ec595830342dc748868a0d0d

SHA512
2e5c3b9a29e39c167336824244868b953908bda5b7e94a02ab0549785d966792d60bed310f4df547c97c1dbccd4742f6ca570f8638c46495955d91176a64338e

Download Submit

Analysis

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