purecrypter | a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56

Analysis

max time kernel
43s
max time network
51s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
05-04-2023 11:04

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General

Target

a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe
Size

86KB
MD5

032a3d2901dc768d4278f77e374c612e
SHA1

418ddb4482611b4e8da94c6b670a98b1c8c2d6fb
SHA256

a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56
SHA512

d867657ff514ec2aeea0454df8be7ef5d8561c0f29e0101bf721a9ab220e2a5ede60b02608e403afdc5efa9eeca96ef7f3a6b60640dd6594adcea3b12a849b51
SSDEEP

1536:lnVZxHC4Fo9jGPoCGVjGWmt8CXZ+63x+w4JD+0NL+fKX:9Jr+GPo9St8WHxSD+09+SX

Score

10^/10

purecrypter downloader loader

Malware Config

Extracted

Family

purecrypter

http://puresvr01.sytes.net/dashboard/panel/uploads/Afxufottv.bmp

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 1752 set thread context of 832	1752	a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe	28

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1752	a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe
Token: SeDebugPrivilege	832	a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 832	1752	a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe	28
PID 1752 wrote to memory of 832	1752	a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe	28
PID 1752 wrote to memory of 832	1752	a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe	28
PID 1752 wrote to memory of 832	1752	a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe	28
PID 1752 wrote to memory of 832	1752	a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe	28
PID 1752 wrote to memory of 832	1752	a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe	28
PID 1752 wrote to memory of 832	1752	a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe	28
PID 1752 wrote to memory of 832	1752	a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe	28
PID 1752 wrote to memory of 832	1752	a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe	28

C:\Users\Admin\AppData\Local\Temp\a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe
"C:\Users\Admin\AppData\Local\Temp\a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe
  C:\Users\Admin\AppData\Local\Temp\a3cf0ee3245538f461f0efa1b292a666d9e0f4283171abc265a645788193da56.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:832

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/832-85-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-103-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-1883-0x00000000006E0000-0x00000000006E8000-memory.dmp

Filesize
32KB

Download
memory/832-83-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-124-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/832-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/832-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/832-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/832-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/832-81-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/832-122-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-69-0x0000000002100000-0x0000000002178000-memory.dmp

Filesize
480KB

Download
memory/832-70-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-71-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-73-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-75-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-77-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-79-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/832-120-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/832-87-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-89-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-91-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-93-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-95-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-97-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-99-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-101-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-117-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-105-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-107-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-109-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-111-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-113-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-115-0x0000000002100000-0x0000000002172000-memory.dmp

Filesize
456KB

Download
memory/832-118-0x0000000004DD0000-0x0000000004E10000-memory.dmp

Filesize
256KB

Download
memory/1752-55-0x00000000040B0000-0x00000000040F0000-memory.dmp

Filesize
256KB

Download
memory/1752-57-0x00000000064C0000-0x00000000065A0000-memory.dmp

Filesize
896KB

Download
memory/1752-54-0x0000000000060000-0x000000000007C000-memory.dmp

Filesize
112KB

Download
memory/1752-58-0x0000000004130000-0x0000000004176000-memory.dmp

Filesize
280KB

Download
memory/1752-56-0x00000000040B0000-0x00000000040F0000-memory.dmp

Filesize
256KB

Download