purecrypter | d97bdbb4ad01f8873a141e7544160d070469b0c6865b823fec42184315b923cc | Triage

Analysis

max time kernel
82s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23-02-2023 13:23

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General

Target

rR40P23D.exe
Size

92KB
MD5

d40448b5ac56cf8f2a4bbea8d22982c2
SHA1

ad405a4f3ea892a80b696f7460de70bbb6b082f8
SHA256

d97bdbb4ad01f8873a141e7544160d070469b0c6865b823fec42184315b923cc
SHA512

be9b6ffda6ebee70baa79bab24129150895bf5d06f0d634a1099e129bd63396c2f73e1c82115b6ca37df5aa5c406e3d1df2932e9a8dbeb927aacda727675082d
SSDEEP

384:IiZHmh0O/Lrw+Ke8QEoDeJisnDPnFw5sglcMhQM0u+GrCPHFYgMSXA:IgGhHzr8e8B1PnFusmcDCXrCPqEXA

Score

10^/10

purecrypter downloader loader

Malware Config

Extracted

Family

purecrypter

C2

https://ashaambulanceservice.com/Vuzbri.bmp

Signatures

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
5060	380	WerFault.exe	78

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	380	rR40P23D.exe

C:\Users\Admin\AppData\Local\Temp\rR40P23D.exe
"C:\Users\Admin\AppData\Local\Temp\rR40P23D.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 380 -s 2004
  2⤵
  - Program crash
  PID:5060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 380 -ip 380
1⤵
PID:1880

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/380-133-0x0000000000790000-0x00000000007AE000-memory.dmp

Filesize
120KB

Download
memory/380-134-0x00000000056C0000-0x0000000005C64000-memory.dmp

Filesize
5.6MB

Download
memory/380-135-0x00000000051B0000-0x0000000005242000-memory.dmp

Filesize
584KB

Download
memory/380-136-0x0000000005160000-0x0000000005170000-memory.dmp

Filesize
64KB

Download