purecrypter | e535bc5f201f84ccd46ecc2374ae4213b46456d8c027d44f58700579018c5264

Analysis

max time kernel
133s
max time network
145s
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 00:04

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General

Target

Hogwarts Legacy by Empress.exe
Size

326.4MB
MD5

7a1c6ba99ba81106917acf37c8711bac
SHA1

4b08c2a3d26242d209d45f086f001f4b66a6c31a
SHA256

e535bc5f201f84ccd46ecc2374ae4213b46456d8c027d44f58700579018c5264
SHA512

b9a234411630edc3029d62954a874714d911704d92db94a27323dec77c4334187ab1608ebf527b90a8d461254364d82c616dfdd31cf0739ff6f026e04def8686
SSDEEP

1536:3rae78zjORCDGwfdCSog013131Zs5gW0MuiNcL3IIG4BLpr:dahKyd2n31F253ObL3IIG4xl

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
2552	setupov16.exe
2796	setupov16.exe
708	kd0HD3wt.exe
3656	ntlhost.exe

Loads dropped DLL 3 IoCs

pid	Process
2796	setupov16.exe
2796	setupov16.exe
2796	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
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"	kd0HD3wt.exe
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce	Hogwarts Legacy by Empress.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 2552 set thread context of 2796	2552	setupov16.exe	94

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	93	Go-http-client/1.1

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2052	powershell.exe
2052	powershell.exe
1716	powershell.exe
1716	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	setupov16.exe
Token: SeDebugPrivilege	2052	powershell.exe
Token: SeDebugPrivilege	1716	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2552	2120	Hogwarts Legacy by Empress.exe	82
PID 2120 wrote to memory of 2552	2120	Hogwarts Legacy by Empress.exe	82
PID 2120 wrote to memory of 2552	2120	Hogwarts Legacy by Empress.exe	82
PID 2552 wrote to memory of 2052	2552	setupov16.exe	86
PID 2552 wrote to memory of 2052	2552	setupov16.exe	86
PID 2552 wrote to memory of 2052	2552	setupov16.exe	86
PID 2552 wrote to memory of 4244	2552	setupov16.exe	92
PID 2552 wrote to memory of 4244	2552	setupov16.exe	92
PID 2552 wrote to memory of 4244	2552	setupov16.exe	92
PID 2552 wrote to memory of 2796	2552	setupov16.exe	94
PID 2552 wrote to memory of 2796	2552	setupov16.exe	94
PID 2552 wrote to memory of 2796	2552	setupov16.exe	94
PID 2552 wrote to memory of 2796	2552	setupov16.exe	94
PID 2552 wrote to memory of 2796	2552	setupov16.exe	94
PID 2552 wrote to memory of 2796	2552	setupov16.exe	94
PID 2552 wrote to memory of 2796	2552	setupov16.exe	94
PID 2552 wrote to memory of 2796	2552	setupov16.exe	94
PID 4244 wrote to memory of 1716	4244	cmd.exe	95
PID 4244 wrote to memory of 1716	4244	cmd.exe	95
PID 4244 wrote to memory of 1716	4244	cmd.exe	95
PID 2796 wrote to memory of 708	2796	setupov16.exe	96
PID 2796 wrote to memory of 708	2796	setupov16.exe	96
PID 708 wrote to memory of 3656	708	kd0HD3wt.exe	97
PID 708 wrote to memory of 3656	708	kd0HD3wt.exe	97

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:2120
- 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:2552
- - 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:2052
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4244
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1716
- - 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:2796
  - - C:\Users\Admin\AppData\Local\Temp\kd0HD3wt.exe
      "C:\Users\Admin\AppData\Local\Temp\kd0HD3wt.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:708
    - - C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        
        C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        5⤵
        Executes dropped EXE
        
        PID:3656

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
42c4d8aa1efa23c79bbfd92b58387197

SHA1
3bbd491924fc5ecc34c465ad0cd8d345198aa94e

SHA256
d1629522f577a444cabcc372a873741050f10c3f36000ac10c9b2e249527257b

SHA512
06a43b16a9f8fcbd8800c8c3cc145eec0e7a3da416ac02856af1ad9bf76e836320d7c2c3be8fd10376838e656f3ea8709afde6377f9cf7b9a2cd8805abcf09d7

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\kd0HD3wt.exe

Filesize
4.0MB

MD5
feccda803ece2e7a3b7e9798714ad47e

SHA1
e97182adccf8a7692e6ad2614b0fb7fd3898a1a2

SHA256
14529dca41abfea65abb51c84ec34ba0a951581586f98cef60213ae949a78320

SHA512
dec5fd4d184772ca590333b2382706c6e5a7b5050f9ae98af813192e06500424870e8332a1406c763e5cc6d266ddd7e09280b6bf118392fa6edea6fab5843287

Download Submit
C:\Users\Admin\AppData\Local\Temp\kd0HD3wt.exe

Filesize
4.0MB

MD5
feccda803ece2e7a3b7e9798714ad47e

SHA1
e97182adccf8a7692e6ad2614b0fb7fd3898a1a2

SHA256
14529dca41abfea65abb51c84ec34ba0a951581586f98cef60213ae949a78320

SHA512
dec5fd4d184772ca590333b2382706c6e5a7b5050f9ae98af813192e06500424870e8332a1406c763e5cc6d266ddd7e09280b6bf118392fa6edea6fab5843287

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

Filesize
249.0MB

MD5
13db15e4e0e740c7da5e8e52a028f8a5

SHA1
5b1fa62f79e6300ccea3426361592e50f846b62b

SHA256
c78d1cdf73e0f851d26a866671cd833c4b2795a60a56b0237df69eec750db73a

SHA512
d6f9b01347a4301351679c2d4e871f626dc8b2bd3c42bb0f1118e621fb9b87c5ce0d7dff8a4484d07af00ae5e5c7ad4947194f190c0c36efb747618015ff40c8

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

Filesize
248.1MB

MD5
4695948edaa017c7b39d4fe73d9fdc04

SHA1
f195470b5a47255b3bb13c3b161af250bbdf0642

SHA256
f8b836dedb2dbd073998195c9aaf33b978786499c6ea8615e5dd37fa6f20cea9

SHA512
9ddfc692ca4e9631253d07c23fa174df59e7cf9b4f236643b3d060b3392ead191437f515ac60af052684cdce4e5baa56a33fa78cca4c995b31780dc3f67bc558

Download Submit
memory/1716-162-0x0000000005910000-0x000000000591E000-memory.dmp

Filesize
56KB

Download
memory/1716-166-0x0000000007340000-0x0000000007348000-memory.dmp

Filesize
32KB

Download
memory/1716-165-0x0000000007350000-0x000000000736A000-memory.dmp

Filesize
104KB

Download
memory/1716-160-0x00000000073A0000-0x0000000007436000-memory.dmp

Filesize
600KB

Download
memory/1716-159-0x00000000071B0000-0x00000000071BA000-memory.dmp

Filesize
40KB

Download
memory/1716-158-0x0000000006280000-0x000000000629E000-memory.dmp

Filesize
120KB

Download
memory/1716-157-0x0000000070A10000-0x0000000070A5C000-memory.dmp

Filesize
304KB

Download
memory/1716-156-0x00000000062A0000-0x00000000062D2000-memory.dmp

Filesize
200KB

Download
memory/2052-139-0x00000000056A0000-0x0000000005CC8000-memory.dmp

Filesize
6.2MB

Download
memory/2052-144-0x0000000006770000-0x000000000678A000-memory.dmp

Filesize
104KB

Download
memory/2052-140-0x0000000005370000-0x00000000053D6000-memory.dmp

Filesize
408KB

Download
memory/2052-138-0x0000000002930000-0x0000000002966000-memory.dmp

Filesize
216KB

Download
memory/2052-142-0x00000000061F0000-0x000000000620E000-memory.dmp

Filesize
120KB

Download
memory/2052-141-0x0000000005510000-0x0000000005576000-memory.dmp

Filesize
408KB

Download
memory/2052-143-0x00000000078A0000-0x0000000007F1A000-memory.dmp

Filesize
6.5MB

Download
memory/2552-135-0x0000000000760000-0x0000000000768000-memory.dmp

Filesize
32KB

Download
memory/2552-136-0x0000000006360000-0x0000000006382000-memory.dmp

Filesize
136KB

Download
memory/2796-154-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2796-167-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2796-150-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2796-147-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download