purecrypter | 1d3193d3f4806b993f8bf3874f0bfbacfedd860a82ed8b6ab26a9a0d30338a7d

Analysis

max time kernel
140s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
19-02-2023 00:22

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General

Target

Hogwarts Legacy by Empress.exe
Size

715.8MB
MD5

6697e2951a46bee77fcbd59321c8fc06
SHA1

c8966259d2aa9c216f173f566f3962531b405f10
SHA256

1d3193d3f4806b993f8bf3874f0bfbacfedd860a82ed8b6ab26a9a0d30338a7d
SHA512

fe2be9aeb203bcc81c205e833a1ed9a698cf6edc82053431a34e8d84f2447e9bcaddda11ff4a5b93df7a45ffcd2a6c4f483907f30326d6ce43faf9ee2ffdb1c1
SSDEEP

1536:3rae78zjORCDGwfdCSog013131Zs5gW0MuiNcL3IIG4BLpre1ID1PxY3hBq:dahKyd2n31F253ObL3IIG4xle1IVxGq

Score

10^/10

purecrypter discovery downloader loader persistence spyware stealer

Malware Config

Extracted

Family

purecrypter

http://comicmaster.org.uk/img/css/design/fabric/bo/Kvxut.dat

Signatures

PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter
Downloads MZ/PE file

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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	setupov16.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	setupov16.exe

Executes dropped EXE 4 IoCs

pid	Process
2084	setupov16.exe
4072	setupov16.exe
4268	W996i5ej.exe
5088	ntlhost.exe

Loads dropped DLL 3 IoCs

pid	Process
4072	setupov16.exe
4072	setupov16.exe
4072	setupov16.exe

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 cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce	Hogwarts Legacy by Empress.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	Hogwarts Legacy by Empress.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe"	W996i5ej.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 4072	2084	setupov16.exe	93

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

System Information Discovery
T1082

GoLang User-Agent 1 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	92	Go-http-client/1.1

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5016	powershell.exe
5016	powershell.exe
1784	powershell.exe
1784	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	setupov16.exe
Token: SeDebugPrivilege	5016	powershell.exe
Token: SeDebugPrivilege	1784	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 2084	948	Hogwarts Legacy by Empress.exe	81
PID 948 wrote to memory of 2084	948	Hogwarts Legacy by Empress.exe	81
PID 948 wrote to memory of 2084	948	Hogwarts Legacy by Empress.exe	81
PID 2084 wrote to memory of 5016	2084	setupov16.exe	86
PID 2084 wrote to memory of 5016	2084	setupov16.exe	86
PID 2084 wrote to memory of 5016	2084	setupov16.exe	86
PID 2084 wrote to memory of 2184	2084	setupov16.exe	91
PID 2084 wrote to memory of 2184	2084	setupov16.exe	91
PID 2084 wrote to memory of 2184	2084	setupov16.exe	91
PID 2084 wrote to memory of 4072	2084	setupov16.exe	93
PID 2084 wrote to memory of 4072	2084	setupov16.exe	93
PID 2084 wrote to memory of 4072	2084	setupov16.exe	93
PID 2084 wrote to memory of 4072	2084	setupov16.exe	93
PID 2084 wrote to memory of 4072	2084	setupov16.exe	93
PID 2084 wrote to memory of 4072	2084	setupov16.exe	93
PID 2084 wrote to memory of 4072	2084	setupov16.exe	93
PID 2084 wrote to memory of 4072	2084	setupov16.exe	93
PID 2184 wrote to memory of 1784	2184	cmd.exe	94
PID 2184 wrote to memory of 1784	2184	cmd.exe	94
PID 2184 wrote to memory of 1784	2184	cmd.exe	94
PID 4072 wrote to memory of 4268	4072	setupov16.exe	95
PID 4072 wrote to memory of 4268	4072	setupov16.exe	95
PID 4268 wrote to memory of 5088	4268	W996i5ej.exe	96
PID 4268 wrote to memory of 5088	4268	W996i5ej.exe	96

C:\Users\Admin\AppData\Local\Temp\Hogwarts Legacy by Empress.exe
"C:\Users\Admin\AppData\Local\Temp\Hogwarts Legacy by Empress.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:948
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setupov16.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setupov16.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5016
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2184
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1784
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setupov16.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setupov16.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:4072
  - - C:\Users\Admin\AppData\Local\Temp\W996i5ej.exe
      "C:\Users\Admin\AppData\Local\Temp\W996i5ej.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:4268
    - - C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        
        C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        5⤵
        Executes dropped EXE
        
        PID:5088

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\mozglue.dll

Filesize
612KB

MD5
f07d9977430e762b563eaadc2b94bbfa

SHA1
da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

SHA256
4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

SHA512
6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

Download Submit
C:\Users\Admin\AppData\LocalLow\nss3.dll

Filesize
1.9MB

MD5
f67d08e8c02574cbc2f1122c53bfb976

SHA1
6522992957e7e4d074947cad63189f308a80fcf2

SHA256
c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

SHA512
2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

Download Submit
C:\Users\Admin\AppData\LocalLow\sqlite3.dll

Filesize
1.0MB

MD5
dbf4f8dcefb8056dc6bae4b67ff810ce

SHA1
bbac1dd8a07c6069415c04b62747d794736d0689

SHA256
47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

SHA512
b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
1KB

MD5
4280e36a29fa31c01e4d8b2ba726a0d8

SHA1
c485c2c9ce0a99747b18d899b71dfa9a64dabe32

SHA256
e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

SHA512
494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

Filesize
53KB

MD5
06ad34f9739c5159b4d92d702545bd49

SHA1
9152a0d4f153f3f40f7e606be75f81b582ee0c17

SHA256
474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba

SHA512
c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
16KB

MD5
838b68699860b5e3d3639a48ba516944

SHA1
29297e648ea07a0d734e93705f43908e69004ed3

SHA256
389543e77dd00165e6df8669ccae937f0151509e84bbd6dba84e44c947556462

SHA512
5eb8520c477f5253289ff92dcf953ecb9e6f2bb189cad2c828ed9b58c80599e79119c9713a8e1ee39fa01a9c1ff46a90e0e869d598e73b31c4f233f03cfaceef

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setupov16.exe

Filesize
362.4MB

MD5
bdefa58976786e95522af2cac8268e4a

SHA1
00073f4702ccbc7cb9de4e6ff6bfa028e9169137

SHA256
881f8a9d8b2c2650c9dc66076983941baeeb81ea9bf19d9a1e8904fed70ace12

SHA512
5cf26b14502e1bfe6504fe7be0e8b60afbae7cac788f755f76b49800e783260029210579d9ff57bd99e5559731a06593c373df616c09365e9e42456168f7bfb0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setupov16.exe

Filesize
362.4MB

MD5
bdefa58976786e95522af2cac8268e4a

SHA1
00073f4702ccbc7cb9de4e6ff6bfa028e9169137

SHA256
881f8a9d8b2c2650c9dc66076983941baeeb81ea9bf19d9a1e8904fed70ace12

SHA512
5cf26b14502e1bfe6504fe7be0e8b60afbae7cac788f755f76b49800e783260029210579d9ff57bd99e5559731a06593c373df616c09365e9e42456168f7bfb0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setupov16.exe

Filesize
362.4MB

MD5
bdefa58976786e95522af2cac8268e4a

SHA1
00073f4702ccbc7cb9de4e6ff6bfa028e9169137

SHA256
881f8a9d8b2c2650c9dc66076983941baeeb81ea9bf19d9a1e8904fed70ace12

SHA512
5cf26b14502e1bfe6504fe7be0e8b60afbae7cac788f755f76b49800e783260029210579d9ff57bd99e5559731a06593c373df616c09365e9e42456168f7bfb0

Download Submit
C:\Users\Admin\AppData\Local\Temp\W996i5ej.exe

Filesize
4.0MB

MD5
feccda803ece2e7a3b7e9798714ad47e

SHA1
e97182adccf8a7692e6ad2614b0fb7fd3898a1a2

SHA256
14529dca41abfea65abb51c84ec34ba0a951581586f98cef60213ae949a78320

SHA512
dec5fd4d184772ca590333b2382706c6e5a7b5050f9ae98af813192e06500424870e8332a1406c763e5cc6d266ddd7e09280b6bf118392fa6edea6fab5843287

Download Submit
C:\Users\Admin\AppData\Local\Temp\W996i5ej.exe

Filesize
4.0MB

MD5
feccda803ece2e7a3b7e9798714ad47e

SHA1
e97182adccf8a7692e6ad2614b0fb7fd3898a1a2

SHA256
14529dca41abfea65abb51c84ec34ba0a951581586f98cef60213ae949a78320

SHA512
dec5fd4d184772ca590333b2382706c6e5a7b5050f9ae98af813192e06500424870e8332a1406c763e5cc6d266ddd7e09280b6bf118392fa6edea6fab5843287

Download Submit
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

Filesize
185.9MB

MD5
c0012c347c3349b6c1f3157d92dd238c

SHA1
d22d47ead7272bbe8cb695b30e7731136c71343a

SHA256
11f3250376571195556e0f9b65b2669f2589617944a632422edbf7c394179aba

SHA512
5fd0b8bc2aa863435082677b364eb3990b1697577fcc89028efec4b3eb3da97543827a2c087f279b0f6ca1521211244fede59375455e0e34b00dc4993063150b

Download Submit
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

Filesize
185.4MB

MD5
b7c83671114f4253cfe70a8996ca910e

SHA1
f983727c84757eada2cf8ac27678eca1bbc3486b

SHA256
c6f045a5205958f3863d2d0a6100ee65c0b598fdb53a8c9794768e52f9b76026

SHA512
434aa4c70719919b15f846c4752b22305a3c1a90c705ddef71ff5f6f52751abb2debd19e0acba6f0f480ff57e1a7679526a3560811e72bbe96a933ca36d89b24

Download Submit
memory/1784-166-0x0000000007810000-0x0000000007818000-memory.dmp

Filesize
32KB

Download
memory/1784-165-0x0000000007830000-0x000000000784A000-memory.dmp

Filesize
104KB

Download
memory/1784-164-0x00000000061F0000-0x00000000061FE000-memory.dmp

Filesize
56KB

Download
memory/1784-156-0x0000000007290000-0x00000000072C2000-memory.dmp

Filesize
200KB

Download
memory/1784-160-0x00000000078D0000-0x0000000007966000-memory.dmp

Filesize
600KB

Download
memory/1784-159-0x0000000007680000-0x000000000768A000-memory.dmp

Filesize
40KB

Download
memory/1784-158-0x0000000006890000-0x00000000068AE000-memory.dmp

Filesize
120KB

Download
memory/1784-157-0x0000000070A10000-0x0000000070A5C000-memory.dmp

Filesize
304KB

Download
memory/2084-136-0x0000000006370000-0x0000000006392000-memory.dmp

Filesize
136KB

Download
memory/2084-135-0x0000000000700000-0x0000000000708000-memory.dmp

Filesize
32KB

Download
memory/4072-150-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4072-167-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4072-147-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4072-154-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5016-143-0x0000000007E80000-0x00000000084FA000-memory.dmp

Filesize
6.5MB

Download
memory/5016-138-0x0000000002CE0000-0x0000000002D16000-memory.dmp

Filesize
216KB

Download
memory/5016-144-0x0000000006AB0000-0x0000000006ACA000-memory.dmp

Filesize
104KB

Download
memory/5016-142-0x00000000065B0000-0x00000000065CE000-memory.dmp

Filesize
120KB

Download
memory/5016-141-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/5016-140-0x0000000005760000-0x00000000057C6000-memory.dmp

Filesize
408KB

Download
memory/5016-139-0x0000000005A00000-0x0000000006028000-memory.dmp

Filesize
6.2MB

Download