purecrypter | 5016ba92afac1c2b2a2a6b17a09406869bd6f58cfe680f25030af1a1ba1c29a2

Analysis

max time kernel
125s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 06:02

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General

Target

5016ba92afac1c2b2a2a6b17a09406869bd6f58cfe680f25030af1a1ba1c29a2.exe
Size

25KB
MD5

0b8bb8ed90799aa967281f96d1b3a75d
SHA1

f083724cffd51f9bd9afe08419598c9672cf8caf
SHA256

5016ba92afac1c2b2a2a6b17a09406869bd6f58cfe680f25030af1a1ba1c29a2
SHA512

9571b38bc86971adeb6a0f18e6bdcdcb704e00a845bd5c8f62e3d4237789221e3fb8962a6ae5d7860fbf3ec6a1ba7a7ec263cf1f343a50704ed0620809f27e38
SSDEEP

192:YLj1DESCjSLuZmff5XLO4gZYQHbEvNesGhv:YZE5WLuoff5XLOZYCgvNesc

Score

10^/10

purecrypter discovery downloader loader

Malware Config

Extracted

Family

purecrypter

http://savory.com.bd/sav/Ztvfo.png

Signatures

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

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2060	2980	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

5016ba92afac1c2b2a2a6b17a09406869bd6f58cfe680f25030af1a1ba1c29a2.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5016ba92afac1c2b2a2a6b17a09406869bd6f58cfe680f25030af1a1ba1c29a2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

5016ba92afac1c2b2a2a6b17a09406869bd6f58cfe680f25030af1a1ba1c29a2.exe

description	pid	Process
Token: SeDebugPrivilege	2980	5016ba92afac1c2b2a2a6b17a09406869bd6f58cfe680f25030af1a1ba1c29a2.exe

C:\Users\Admin\AppData\Local\Temp\5016ba92afac1c2b2a2a6b17a09406869bd6f58cfe680f25030af1a1ba1c29a2.exe
"C:\Users\Admin\AppData\Local\Temp\5016ba92afac1c2b2a2a6b17a09406869bd6f58cfe680f25030af1a1ba1c29a2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2980
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 1872
  2⤵
  - Program crash
  PID:2060

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4512,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:8
1⤵
PID:1968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2980 -ip 2980
1⤵
PID:2084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2980-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2980-1-0x00000000000E0000-0x00000000000EC000-memory.dmp

Filesize
48KB

Download
memory/2980-2-0x0000000005180000-0x0000000005724000-memory.dmp

Filesize
5.6MB

Download
memory/2980-3-0x0000000004AC0000-0x0000000004B52000-memory.dmp

Filesize
584KB

Download
memory/2980-5-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/2980-4-0x0000000004B80000-0x0000000004B8A000-memory.dmp

Filesize
40KB

Download
memory/2980-6-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2980-7-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/2980-8-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download