purecrypter | 4e9bdfb5333105d8c8ebacb89c352372978eabdcd17f9a23094ac05c519a9b54

Analysis

max time kernel
120s
max time network
145s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28-03-2024 11:03

Target

Details.exe
Size

123KB
MD5

a6d253e02a22e26939f3d775ee1127cd
SHA1

a8e827a9c4916a4b85e5e783764173df0dadd116
SHA256

61722636c5cad31d212e7ea1da55d4fde3a7e93fc46f81484dd7597a684a8164
SHA512

dc13d3e6a721cc2673663d0b70fcae92ed2316f4b247039dcdf8e6312a0525fc14209c4c1f860da3d04939095f1f7a912d60b20f0242dbf6ff95bc341eaada82
SSDEEP

1536:cTCOJOQA7yTatlYBMcnAXqPprska5ayVD:cTnUyTatnEAaPpa5ayJ

Score

10^/10

Family

purecrypter

https://cdn.discordapp.com/attachments/897455876376522762/899558260732989531/File.png

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2492	2244	WerFault.exe	27

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2244	Details.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2492	2244	Details.exe	28
PID 2244 wrote to memory of 2492	2244	Details.exe	28
PID 2244 wrote to memory of 2492	2244	Details.exe	28
PID 2244 wrote to memory of 2492	2244	Details.exe	28

C:\Users\Admin\AppData\Local\Temp\Details.exe
"C:\Users\Admin\AppData\Local\Temp\Details.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 1584
  2⤵
  - Program crash
  PID:2492

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6F5B.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/2244-0-0x0000000000BA0000-0x0000000000BC6000-memory.dmp

Filesize
152KB

Download
memory/2244-1-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2244-2-0x00000000007C0000-0x0000000000800000-memory.dmp

Filesize
256KB

Download
memory/2244-3-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2244-4-0x00000000007C0000-0x0000000000800000-memory.dmp

Filesize
256KB

Download