purecrypter | ad322d1fada253d07e90d48b5c9e7ed6a0fcd12bcc2648df015464da59e66ef0

General

Target

tmp.exe
Size

1.2MB
MD5

cd7ee7a99ca42119744b7412d0488fa9
SHA1

734f91a23a1589d19deb6910607145f158f8f478
SHA256

ad322d1fada253d07e90d48b5c9e7ed6a0fcd12bcc2648df015464da59e66ef0
SHA512

cd8c855b492e85390a567057923c56b7a8f2983cc636bd1e43b37e31b5997fc454d28a1def4229dea64dc10a46db343971dc3628ef1ad92dedec8c0821fce72c
SSDEEP

24576:egG1BJHjCU9WxVR364yaBb5HlS4ZJZduLUxOdzUqeO1Gh2d36GMJ:dG1v9oX1dyc7JZdu2OaedBM

Score

10^/10

purecrypter redline free-apps downloader infostealer loader spyware

Malware Config

Extracted

Family

redline

Botnet

FREE-APPS

C2

amrican-sport-live-stream.cc:4581

Attributes

auth_value
0c9fc6b0cc64520358e3542816da34e2

Signatures

Detect PureCrypter injector 34 IoCs

loader

Processes:

resource	yara_rule
behavioral1/memory/1536-55-0x0000000004F90000-0x0000000005200000-memory.dmp	family_purecrypter
behavioral1/memory/1536-56-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-57-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-59-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-61-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-66-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-63-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-70-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-68-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-74-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-72-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-76-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-82-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-80-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-78-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-92-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-90-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-88-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-86-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-84-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-100-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-98-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-96-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-94-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-120-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-118-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-116-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-114-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-112-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-110-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-108-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-106-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-104-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter
behavioral1/memory/1536-102-0x0000000004F90000-0x00000000051FA000-memory.dmp	family_purecrypter

PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

tmp.exe

description pid process target process

PID 1536 set thread context of 972 1536 tmp.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

InstallUtil.exe

pid process

972 InstallUtil.exe
972 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tmp.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1536 tmp.exe
Token: SeDebugPrivilege 972 InstallUtil.exe

description	pid	process	target process
PID 1536 set thread context of 972	1536	tmp.exe	InstallUtil.exe

pid	process
972	InstallUtil.exe
972	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1536	tmp.exe
Token: SeDebugPrivilege	972	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 1536 wrote to memory of 972	1536	tmp.exe	InstallUtil.exe
PID 1536 wrote to memory of 972	1536	tmp.exe	InstallUtil.exe
PID 1536 wrote to memory of 972	1536	tmp.exe	InstallUtil.exe
PID 1536 wrote to memory of 972	1536	tmp.exe	InstallUtil.exe
PID 1536 wrote to memory of 972	1536	tmp.exe	InstallUtil.exe
PID 1536 wrote to memory of 972	1536	tmp.exe	InstallUtil.exe
PID 1536 wrote to memory of 972	1536	tmp.exe	InstallUtil.exe
PID 1536 wrote to memory of 972	1536	tmp.exe	InstallUtil.exe
PID 1536 wrote to memory of 972	1536	tmp.exe	InstallUtil.exe
PID 1536 wrote to memory of 972	1536	tmp.exe	InstallUtil.exe
PID 1536 wrote to memory of 972	1536	tmp.exe	InstallUtil.exe
PID 1536 wrote to memory of 972	1536	tmp.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1536

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:972

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/972-10165-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/972-10167-0x0000000004B00000-0x0000000004B40000-memory.dmp

Filesize
256KB

Download
memory/972-10166-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1536-86-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-56-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-61-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-66-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-64-0x0000000004F50000-0x0000000004F90000-memory.dmp

Filesize
256KB

Download
memory/1536-63-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-70-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-68-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-84-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-72-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-76-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-82-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-80-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-78-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-92-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-90-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-88-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-54-0x0000000000B40000-0x0000000000C84000-memory.dmp

Filesize
1.3MB

Download
memory/1536-74-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-59-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-116-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-96-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-94-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-120-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-118-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-98-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-114-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-112-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-110-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-108-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-106-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-104-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-102-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-1271-0x0000000004F50000-0x0000000004F90000-memory.dmp

Filesize
256KB

Download
memory/1536-10154-0x00000000022D0000-0x0000000002330000-memory.dmp

Filesize
384KB

Download
memory/1536-57-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-100-0x0000000004F90000-0x00000000051FA000-memory.dmp

Filesize
2.4MB

Download
memory/1536-55-0x0000000004F90000-0x0000000005200000-memory.dmp

Filesize
2.4MB

Download

Analysis

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