purecrypter | 085758594b8004ffcd2c0b7413d67c3fd8024d8915aac54b95db59609c7bd55d

Analysis

max time kernel
28s
max time network
29s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
12-06-2023 11:23

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General

Target

34242398be6a80b536ac21be06f7d2ec.exe
Size

19KB
MD5

34242398be6a80b536ac21be06f7d2ec
SHA1

91c0b30ad988678182f37a3f4bfa5cfc4a51857c
SHA256

085758594b8004ffcd2c0b7413d67c3fd8024d8915aac54b95db59609c7bd55d
SHA512

fa597a8ad780f41cf57b2d1c7ab13c1852a654461a790f7e11ff1529b1c03bef9b86f94f760e3aa476e230932be389ee1ed996a8912b28050388336c3b34fcfb
SSDEEP

384:t2keTUi5j7+37gHeMF20vvvvvvvvvvvvvvvvvv6svnJCKA6g3N3mSv:t2keD+3SeMFhvvvvvvvvvvvvvvvvvv6P

Score

10^/10

purecrypter downloader loader

Malware Config

Extracted

Family

purecrypter

http://purecry.ydns.eu/pure/Oqbokp.dll

Signatures

PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 1060	1740	34242398be6a80b536ac21be06f7d2ec.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	34242398be6a80b536ac21be06f7d2ec.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 1060	1740	34242398be6a80b536ac21be06f7d2ec.exe	28
PID 1740 wrote to memory of 1060	1740	34242398be6a80b536ac21be06f7d2ec.exe	28
PID 1740 wrote to memory of 1060	1740	34242398be6a80b536ac21be06f7d2ec.exe	28
PID 1740 wrote to memory of 1060	1740	34242398be6a80b536ac21be06f7d2ec.exe	28
PID 1740 wrote to memory of 1060	1740	34242398be6a80b536ac21be06f7d2ec.exe	28
PID 1740 wrote to memory of 1060	1740	34242398be6a80b536ac21be06f7d2ec.exe	28
PID 1740 wrote to memory of 1060	1740	34242398be6a80b536ac21be06f7d2ec.exe	28

C:\Users\Admin\AppData\Local\Temp\34242398be6a80b536ac21be06f7d2ec.exe
"C:\Users\Admin\AppData\Local\Temp\34242398be6a80b536ac21be06f7d2ec.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
  2⤵
  PID:1060

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1060-79-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-109-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-119-0x0000000000910000-0x0000000000990000-memory.dmp

Filesize
512KB

Download
memory/1060-115-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-113-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-59-0x0000000140000000-0x00000001400B2000-memory.dmp

Filesize
712KB

Download
memory/1060-60-0x0000000140000000-0x00000001400B2000-memory.dmp

Filesize
712KB

Download
memory/1060-61-0x0000000140000000-0x00000001400B2000-memory.dmp

Filesize
712KB

Download
memory/1060-62-0x000007FFFFFD5000-0x000007FFFFFD6000-memory.dmp

Filesize
4KB

Download
memory/1060-63-0x0000000140000000-0x00000001400B2000-memory.dmp

Filesize
712KB

Download
memory/1060-66-0x000000001B990000-0x000000001BA8C000-memory.dmp

Filesize
1008KB

Download
memory/1060-68-0x0000000000910000-0x0000000000990000-memory.dmp

Filesize
512KB

Download
memory/1060-67-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-83-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-71-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-73-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-75-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-77-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-117-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-111-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-69-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-85-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-87-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-89-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-91-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-93-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-95-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-97-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-99-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-101-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-103-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-105-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-107-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1060-81-0x000000001B990000-0x000000001BA88000-memory.dmp

Filesize
992KB

Download
memory/1740-55-0x000000001B130000-0x000000001B1B0000-memory.dmp

Filesize
512KB

Download
memory/1740-58-0x000000001B090000-0x000000001B122000-memory.dmp

Filesize
584KB

Download
memory/1740-57-0x000000001B6C0000-0x000000001B774000-memory.dmp

Filesize
720KB

Download
memory/1740-54-0x0000000000340000-0x0000000000348000-memory.dmp

Filesize
32KB

Download
memory/1740-56-0x000000001EE90000-0x000000001F028000-memory.dmp

Filesize
1.6MB

Download