purecrypter | 1d3193d3f4806b993f8bf3874f0bfbacfedd860a82ed8b6ab26a9a0d30338a7d

Analysis

max time kernel
144s
max time network
157s
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 00:21

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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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	setupov16.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	setupov16.exe

Executes dropped EXE 4 IoCs

pid	Process
3552	setupov16.exe
1136	setupov16.exe
3240	Khr8k7qn.exe
2228	ntlhost.exe

Loads dropped DLL 3 IoCs

pid	Process
1136	setupov16.exe
1136	setupov16.exe
1136	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\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe"	Khr8k7qn.exe
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

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 3552 set thread context of 1136	3552	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	45	Go-http-client/1.1

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3384	powershell.exe
3384	powershell.exe
4192	powershell.exe
4192	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3552	setupov16.exe
Token: SeDebugPrivilege	3384	powershell.exe
Token: SeDebugPrivilege	4192	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 3552	3176	Hogwarts Legacy by Empress.exe	80
PID 3176 wrote to memory of 3552	3176	Hogwarts Legacy by Empress.exe	80
PID 3176 wrote to memory of 3552	3176	Hogwarts Legacy by Empress.exe	80
PID 3552 wrote to memory of 3384	3552	setupov16.exe	86
PID 3552 wrote to memory of 3384	3552	setupov16.exe	86
PID 3552 wrote to memory of 3384	3552	setupov16.exe	86
PID 3552 wrote to memory of 2716	3552	setupov16.exe	91
PID 3552 wrote to memory of 2716	3552	setupov16.exe	91
PID 3552 wrote to memory of 2716	3552	setupov16.exe	91
PID 3552 wrote to memory of 1136	3552	setupov16.exe	93
PID 3552 wrote to memory of 1136	3552	setupov16.exe	93
PID 3552 wrote to memory of 1136	3552	setupov16.exe	93
PID 3552 wrote to memory of 1136	3552	setupov16.exe	93
PID 3552 wrote to memory of 1136	3552	setupov16.exe	93
PID 3552 wrote to memory of 1136	3552	setupov16.exe	93
PID 3552 wrote to memory of 1136	3552	setupov16.exe	93
PID 3552 wrote to memory of 1136	3552	setupov16.exe	93
PID 2716 wrote to memory of 4192	2716	cmd.exe	94
PID 2716 wrote to memory of 4192	2716	cmd.exe	94
PID 2716 wrote to memory of 4192	2716	cmd.exe	94
PID 1136 wrote to memory of 3240	1136	setupov16.exe	95
PID 1136 wrote to memory of 3240	1136	setupov16.exe	95
PID 3240 wrote to memory of 2228	3240	Khr8k7qn.exe	96
PID 3240 wrote to memory of 2228	3240	Khr8k7qn.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:3176
- 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:3552
- - 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:3384
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2716
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4192
- - 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:1136
  - - C:\Users\Admin\AppData\Local\Temp\Khr8k7qn.exe
      "C:\Users\Admin\AppData\Local\Temp\Khr8k7qn.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:3240
    - - C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        
        C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        5⤵
        Executes dropped EXE
        
        PID:2228

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
392631c43f32556b667615dab474dfdc

SHA1
554740dd0eac1fcea230586cb9c372912c952143

SHA256
6adf7766616c56637099303f3bc0e817830c4b4725cf0ec294ede8fcb6e55d90

SHA512
f988e4cbad54a59605e22d03bc5ff6a093be89dfc601cefe0ce75f43a99efa65b9450057926b4b4ba78dcd768de958ec681c17a565a4d61abd12117ae4ee488b

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\Khr8k7qn.exe

Filesize
4.0MB

MD5
feccda803ece2e7a3b7e9798714ad47e

SHA1
e97182adccf8a7692e6ad2614b0fb7fd3898a1a2

SHA256
14529dca41abfea65abb51c84ec34ba0a951581586f98cef60213ae949a78320

SHA512
dec5fd4d184772ca590333b2382706c6e5a7b5050f9ae98af813192e06500424870e8332a1406c763e5cc6d266ddd7e09280b6bf118392fa6edea6fab5843287

Download Submit
C:\Users\Admin\AppData\Local\Temp\Khr8k7qn.exe

Filesize
4.0MB

MD5
feccda803ece2e7a3b7e9798714ad47e

SHA1
e97182adccf8a7692e6ad2614b0fb7fd3898a1a2

SHA256
14529dca41abfea65abb51c84ec34ba0a951581586f98cef60213ae949a78320

SHA512
dec5fd4d184772ca590333b2382706c6e5a7b5050f9ae98af813192e06500424870e8332a1406c763e5cc6d266ddd7e09280b6bf118392fa6edea6fab5843287

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

Filesize
77.3MB

MD5
3ba6692d2e9fee64a6773357e5c3d50d

SHA1
8486b93da593768704a15841b156f142a37d934b

SHA256
57b7dc3e78cc9cbb59e63c5c4d9478b374216df003de5cdda4d3beb125358710

SHA512
8281ef00fd71e877cb7b87b361bf0c10e66642b6d09a4b0962d166e95fc1ca4388fba479133d8b54d062513e68feb8094eff57839d63a8c68969746158b3a9e1

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

Filesize
77.1MB

MD5
3961ea4ce68c51425ed48da7f48ca33d

SHA1
f18452603ba8479c5c6efe6fb1316683d6c12b89

SHA256
4045d2d682a7149e0f12bcb2ebf83578a7f958f0b4a5bfc22c14297d4ea37531

SHA512
b2f19e759818d7c7f3543f71a0ca9c1d04cbffcae018f670dbccb86b9f72db80b381107e77dd50814047d42d59d0d50f9aa9f40be38732f75d1bdcf48afc79bb

Download Submit
memory/1136-154-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1136-147-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1136-150-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1136-167-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3384-143-0x0000000007BD0000-0x000000000824A000-memory.dmp

Filesize
6.5MB

Download
memory/3384-138-0x0000000001410000-0x0000000001446000-memory.dmp

Filesize
216KB

Download
memory/3384-141-0x0000000005710000-0x0000000005776000-memory.dmp

Filesize
408KB

Download
memory/3384-142-0x0000000006550000-0x000000000656E000-memory.dmp

Filesize
120KB

Download
memory/3384-140-0x00000000056A0000-0x0000000005706000-memory.dmp

Filesize
408KB

Download
memory/3384-139-0x0000000005780000-0x0000000005DA8000-memory.dmp

Filesize
6.2MB

Download
memory/3384-144-0x0000000006A50000-0x0000000006A6A000-memory.dmp

Filesize
104KB

Download
memory/3552-136-0x0000000006590000-0x00000000065B2000-memory.dmp

Filesize
136KB

Download
memory/3552-135-0x00000000009A0000-0x00000000009A8000-memory.dmp

Filesize
32KB

Download
memory/4192-164-0x0000000006870000-0x000000000687E000-memory.dmp

Filesize
56KB

Download
memory/4192-165-0x0000000007F20000-0x0000000007F3A000-memory.dmp

Filesize
104KB

Download
memory/4192-166-0x0000000007F00000-0x0000000007F08000-memory.dmp

Filesize
32KB

Download
memory/4192-160-0x0000000007FC0000-0x0000000008056000-memory.dmp

Filesize
600KB

Download
memory/4192-159-0x0000000007D80000-0x0000000007D8A000-memory.dmp

Filesize
40KB

Download
memory/4192-158-0x0000000006F80000-0x0000000006F9E000-memory.dmp

Filesize
120KB

Download
memory/4192-157-0x00000000706A0000-0x00000000706EC000-memory.dmp

Filesize
304KB

Download
memory/4192-156-0x0000000006FA0000-0x0000000006FD2000-memory.dmp

Filesize
200KB

Download