purecrypter | 60dbb61c6ba079ac1e03937a8b61269bb74a7ca4f387be6498475f4895ec7c10

Analysis

max time kernel
106s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
18-02-2023 22:13

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General

Target

Hogwarts Legacy by Empress.exe
Size

608.2MB
MD5

bfa972c3534bb9b657d49286c2869e45
SHA1

5830157f8d61333cd1cb501c10add55d17980a65
SHA256

60dbb61c6ba079ac1e03937a8b61269bb74a7ca4f387be6498475f4895ec7c10
SHA512

82e081bc33632d29ae32e233f33ac540c2fa6c1d3e689161a25f642b23ac8dae8db10a5b288ba4e09585ffe99e31fdc41c3f909c737d2d3f2f1903cb4ebeae4f
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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	setupov16.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	setupov16.exe

Executes dropped EXE 6 IoCs

pid	Process
692	setupov16.exe
1072	setupov16.exe
2568	setupov16.exe
1796	setupov16.exe
4048	oarO2AKe.exe
4556	ntlhost.exe

Loads dropped DLL 3 IoCs

pid	Process
1796	setupov16.exe
1796	setupov16.exe
1796	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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe"	oarO2AKe.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 692 set thread context of 1796	692	setupov16.exe	97

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	52	Go-http-client/1.1

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4468	powershell.exe
4468	powershell.exe
692	setupov16.exe
692	setupov16.exe
692	setupov16.exe
692	setupov16.exe
3064	powershell.exe
3064	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	692	setupov16.exe
Token: SeDebugPrivilege	4468	powershell.exe
Token: SeDebugPrivilege	3064	powershell.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 692	2348	Hogwarts Legacy by Empress.exe	83
PID 2348 wrote to memory of 692	2348	Hogwarts Legacy by Empress.exe	83
PID 2348 wrote to memory of 692	2348	Hogwarts Legacy by Empress.exe	83
PID 692 wrote to memory of 4468	692	setupov16.exe	87
PID 692 wrote to memory of 4468	692	setupov16.exe	87
PID 692 wrote to memory of 4468	692	setupov16.exe	87
PID 692 wrote to memory of 3656	692	setupov16.exe	95
PID 692 wrote to memory of 3656	692	setupov16.exe	95
PID 692 wrote to memory of 3656	692	setupov16.exe	95
PID 692 wrote to memory of 1072	692	setupov16.exe	96
PID 692 wrote to memory of 1072	692	setupov16.exe	96
PID 692 wrote to memory of 1072	692	setupov16.exe	96
PID 692 wrote to memory of 2568	692	setupov16.exe	99
PID 692 wrote to memory of 2568	692	setupov16.exe	99
PID 692 wrote to memory of 2568	692	setupov16.exe	99
PID 692 wrote to memory of 1796	692	setupov16.exe	97
PID 692 wrote to memory of 1796	692	setupov16.exe	97
PID 692 wrote to memory of 1796	692	setupov16.exe	97
PID 692 wrote to memory of 1796	692	setupov16.exe	97
PID 692 wrote to memory of 1796	692	setupov16.exe	97
PID 692 wrote to memory of 1796	692	setupov16.exe	97
PID 692 wrote to memory of 1796	692	setupov16.exe	97
PID 692 wrote to memory of 1796	692	setupov16.exe	97
PID 3656 wrote to memory of 3064	3656	cmd.exe	98
PID 3656 wrote to memory of 3064	3656	cmd.exe	98
PID 3656 wrote to memory of 3064	3656	cmd.exe	98
PID 1796 wrote to memory of 4048	1796	setupov16.exe	100
PID 1796 wrote to memory of 4048	1796	setupov16.exe	100
PID 4048 wrote to memory of 4556	4048	oarO2AKe.exe	101
PID 4048 wrote to memory of 4556	4048	oarO2AKe.exe	101

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:2348
- 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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:692
- - 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:4468
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3656
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3064
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setupov16.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setupov16.exe
    3⤵
    - Executes dropped EXE
    PID:1072
- - 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:1796
  - - C:\Users\Admin\AppData\Local\Temp\oarO2AKe.exe
      "C:\Users\Admin\AppData\Local\Temp\oarO2AKe.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of WriteProcessMemory
      PID:4048
    - - C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        
        C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
        5⤵
        Executes dropped EXE
        
        PID:4556
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setupov16.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\setupov16.exe
    3⤵
    - Executes dropped EXE
    PID:2568

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
1d3cac6c41f45b458cd9da8f22b8117f

SHA1
46701f19c2de51364634193a6a570b05401a2a40

SHA256
92902d83cf088037a37e6dbdb1672f672064e0bcd73969a40e579213e386799b

SHA512
204b6e96a1bbe9ccd0d2f973e0e910ab026af46c39216d326d741dd81e19cfd3ae88f61e0a5550dd6a98c3eaa951019a046019bd12c917702cf2d3d1eb3fa911

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

Filesize
312.6MB

MD5
c9a1e6e10829987439146f497ae88a98

SHA1
d7408772f98828564ba66c0aca2189307b59adec

SHA256
74db80027914265d70f561248c8760ed9f924e0d5490bb67fc4149a621848bbf

SHA512
2e8defafac8c80c31791759e83e53d8119f532d82332f8ccdccb0e0523c07428305a9647bef08b07311743d6d8029085c68d39b45083e5899fef9752271b57c0

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

Filesize
311.0MB

MD5
325c0cd17d60199c68156aec055f234e

SHA1
841bfe0376b4cd90cc38a3e1d4b982c5296cf4e2

SHA256
657902569e11c460f3fc897b49549abb419f95dff5fc64f94e8949e332085215

SHA512
23f4930e414d2ccb1b32dc82b86e8c421b1aac9d6894c45606b0b708ab6140dd10ab0180c3959d6ddde76d605cdec00cbe0f94f741c78c769eea46d23a8866e7

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

Filesize
175.8MB

MD5
cc13735fd081ee6b60d6da75efb45e5b

SHA1
751f6a1bdb21f03360538b7ebac7c3e8c38f5c62

SHA256
564c7bafc6d652b82f3e4bf8abb33998577794aa40d7394236030f88792d3ea5

SHA512
f15483b1d6fa09e3b5b60f38528d55430479419764aff6930303864ca3bbc00d0968d3d105a083e0384071514b8bbef131e0e078457a25eeb65b50ac64e6a9c3

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

Filesize
176.2MB

MD5
299f88e7cd596a24b31fc57c953bcb9a

SHA1
0244658b7bb2131f03f80e8c280cf837db09df50

SHA256
c377c74016ececa8da90617a02351fda430036caa6978c6f654beffb0f160994

SHA512
79e9b97eabef55f16427d0a8c4a482890f1da1d24addc98bcd4611ba4a6770acdcfc048145e4a5a1adb99057322f2f12b4947bde160001e3138d187e9175a0a4

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

Filesize
175.0MB

MD5
a40a15db76b23890b290a64aeacb4155

SHA1
b08386b14128ead43b22e55d8687cd5f1d37aaf3

SHA256
fec545f012b53a9d0a0e40c1ff33f1bef453d7414e67883158f6f584e2bffab5

SHA512
39a648caf3617080e609ae54d055274c5ba089fff8bb102704be5e798640985032f0b20f323a5435aa4d79b2078e31ce7e572d26d9dce10228e816721a8a87a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\oarO2AKe.exe

Filesize
4.0MB

MD5
feccda803ece2e7a3b7e9798714ad47e

SHA1
e97182adccf8a7692e6ad2614b0fb7fd3898a1a2

SHA256
14529dca41abfea65abb51c84ec34ba0a951581586f98cef60213ae949a78320

SHA512
dec5fd4d184772ca590333b2382706c6e5a7b5050f9ae98af813192e06500424870e8332a1406c763e5cc6d266ddd7e09280b6bf118392fa6edea6fab5843287

Download Submit
C:\Users\Admin\AppData\Local\Temp\oarO2AKe.exe

Filesize
4.0MB

MD5
feccda803ece2e7a3b7e9798714ad47e

SHA1
e97182adccf8a7692e6ad2614b0fb7fd3898a1a2

SHA256
14529dca41abfea65abb51c84ec34ba0a951581586f98cef60213ae949a78320

SHA512
dec5fd4d184772ca590333b2382706c6e5a7b5050f9ae98af813192e06500424870e8332a1406c763e5cc6d266ddd7e09280b6bf118392fa6edea6fab5843287

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

Filesize
45.6MB

MD5
b464c208bd72936978c5c583e42ff1bb

SHA1
80b846d7327f17b1fb01cd10dba48352c8b132ee

SHA256
6a8739aa062f1fd8c0a08bea5c018d26f98aa3638cadb911624543d983f0b876

SHA512
803c533c95725e044af2f067626cbbba602a1a8306887b5a95492d37f50ada35ed4ca79441e8a7100bfed5720a41f16b3b6387d690271122b5d88641dc1b5228

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

Filesize
47.3MB

MD5
4032b1daedd12d78a941c4a554f39362

SHA1
8d44fec648b5721aff98f0823a2000f2a7b0580c

SHA256
ddc6be51987d8ff9201c161d6722d1e7dd9f14941d9cd010c63ef25c26f51f48

SHA512
348d7dd46e0ca312a75aeab9a775dd444c25d811fb367c8e93e9216abb0ea526adb87bf890f8a8944c59e13782fb3b72956cd3e3616049d7d619f559fc8e4205

Download Submit
memory/692-136-0x0000000006700000-0x0000000006722000-memory.dmp

Filesize
136KB

Download
memory/692-135-0x0000000000940000-0x0000000000948000-memory.dmp

Filesize
32KB

Download
memory/1796-151-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1796-155-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1796-158-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1796-171-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3064-166-0x0000000007590000-0x00000000075AA000-memory.dmp

Filesize
104KB

Download
memory/3064-167-0x0000000007570000-0x0000000007578000-memory.dmp

Filesize
32KB

Download
memory/3064-160-0x0000000007260000-0x0000000007292000-memory.dmp

Filesize
200KB

Download
memory/3064-161-0x0000000070BC0000-0x0000000070C0C000-memory.dmp

Filesize
304KB

Download
memory/3064-162-0x0000000006610000-0x000000000662E000-memory.dmp

Filesize
120KB

Download
memory/3064-163-0x00000000073F0000-0x00000000073FA000-memory.dmp

Filesize
40KB

Download
memory/3064-164-0x0000000007630000-0x00000000076C6000-memory.dmp

Filesize
600KB

Download
memory/3064-165-0x0000000005ED0000-0x0000000005EDE000-memory.dmp

Filesize
56KB

Download
memory/4468-144-0x00000000061B0000-0x00000000061CA000-memory.dmp

Filesize
104KB

Download
memory/4468-143-0x00000000072F0000-0x000000000796A000-memory.dmp

Filesize
6.5MB

Download
memory/4468-142-0x0000000005CA0000-0x0000000005CBE000-memory.dmp

Filesize
120KB

Download
memory/4468-141-0x00000000056C0000-0x0000000005726000-memory.dmp

Filesize
408KB

Download
memory/4468-140-0x0000000004E10000-0x0000000004E76000-memory.dmp

Filesize
408KB

Download
memory/4468-139-0x0000000004F20000-0x0000000005548000-memory.dmp

Filesize
6.2MB

Download
memory/4468-138-0x0000000000BE0000-0x0000000000C16000-memory.dmp

Filesize
216KB

Download