purecrypter | dce05561ae5582a0a5e716dcd273ed4b9359eb5a2fb556d103c63dc75f03622e

General

Target

tmp.exe
Size

1.3MB
MD5

7b36da4da4db96852a59a1a428554a55
SHA1

9b5d0528b3f85f54f5aae5305a9f602e0a4ae834
SHA256

dce05561ae5582a0a5e716dcd273ed4b9359eb5a2fb556d103c63dc75f03622e
SHA512

828634d3b27f246ed0988a397cead98c0bd6e9023525e0069cb8e57581d53e7066bc92998c6f8d76c4713b79de8f35ffb28323b5dfec0e0f6fa304217738d5cf
SSDEEP

24576:R+DS4BrH+eG0G+dqeUh80qIMt6RvXWpBtnZ6Nk3:R+DS4BqeI+drIzRPmBtZyk

Score

10^/10

purecrypter redline hexo-software downloader infostealer loader spyware

Malware Config

Extracted

Family

redline

Botnet

HEXO-SOFTWARE

C2

amrican-sport-live-stream.cc:4581

Attributes

auth_value
fea440ffae02b6f56d7b00fe8105ccb8

Signatures

Detect PureCrypter injector 33 IoCs

loader

Processes:

resource	yara_rule
behavioral2/memory/4208-134-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-135-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-137-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-139-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-141-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-143-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-145-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-148-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-150-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-152-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-154-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-156-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-158-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-160-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-162-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-164-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-166-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-168-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-170-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-172-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-174-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-176-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-178-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-180-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-182-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-184-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-186-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-188-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-190-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-192-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-194-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-196-0x0000000004AD0000-0x0000000004D46000-memory.dmp	family_purecrypter
behavioral2/memory/4208-198-0x0000000004AD0000-0x0000000004D46000-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 4208 set thread context of 4164 4208 tmp.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

InstallUtil.exe

pid process

4164 InstallUtil.exe
4164 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tmp.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 4208 tmp.exe
Token: SeDebugPrivilege 4164 InstallUtil.exe

description	pid	process	target process
PID 4208 set thread context of 4164	4208	tmp.exe	InstallUtil.exe

pid	process
4164	InstallUtil.exe
4164	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4208	tmp.exe
Token: SeDebugPrivilege	4164	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 4208 wrote to memory of 4164	4208	tmp.exe	InstallUtil.exe
PID 4208 wrote to memory of 4164	4208	tmp.exe	InstallUtil.exe
PID 4208 wrote to memory of 4164	4208	tmp.exe	InstallUtil.exe
PID 4208 wrote to memory of 4164	4208	tmp.exe	InstallUtil.exe
PID 4208 wrote to memory of 4164	4208	tmp.exe	InstallUtil.exe
PID 4208 wrote to memory of 4164	4208	tmp.exe	InstallUtil.exe
PID 4208 wrote to memory of 4164	4208	tmp.exe	InstallUtil.exe
PID 4208 wrote to memory of 4164	4208	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:4208

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:4164

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/4164-10264-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4164-10265-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download
memory/4164-10266-0x000000000ACE0000-0x000000000B2F8000-memory.dmp

Filesize
6.1MB

Download
memory/4164-10267-0x000000000A820000-0x000000000A92A000-memory.dmp

Filesize
1.0MB

Download
memory/4164-10268-0x000000000A750000-0x000000000A762000-memory.dmp

Filesize
72KB

Download
memory/4164-10274-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download
memory/4164-10273-0x000000000C420000-0x000000000C470000-memory.dmp

Filesize
320KB

Download
memory/4164-10272-0x000000000C3A0000-0x000000000C416000-memory.dmp

Filesize
472KB

Download
memory/4164-10271-0x000000000C730000-0x000000000CC5C000-memory.dmp

Filesize
5.2MB

Download
memory/4164-10270-0x000000000C030000-0x000000000C1F2000-memory.dmp

Filesize
1.8MB

Download
memory/4164-10269-0x000000000A7B0000-0x000000000A7EC000-memory.dmp

Filesize
240KB

Download
memory/4208-168-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-180-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-145-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-148-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-150-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-152-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-154-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-156-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-158-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-160-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-162-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-164-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-166-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-143-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-170-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-172-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-174-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-176-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-178-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-146-0x0000000004AC0000-0x0000000004AD0000-memory.dmp

Filesize
64KB

Download
memory/4208-182-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-184-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-186-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-188-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-190-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-192-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-194-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-196-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-198-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-141-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-139-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-137-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-135-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-134-0x0000000004AD0000-0x0000000004D46000-memory.dmp

Filesize
2.5MB

Download
memory/4208-133-0x00000000000D0000-0x0000000000218000-memory.dmp

Filesize
1.3MB

Download
memory/4208-786-0x0000000004AC0000-0x0000000004AD0000-memory.dmp

Filesize
64KB

Download
memory/4208-10258-0x00000000008B0000-0x00000000008D2000-memory.dmp

Filesize
136KB

Download
memory/4208-10259-0x00000000359B0000-0x0000000035A16000-memory.dmp

Filesize
408KB

Download
memory/4208-10260-0x0000000035C20000-0x0000000035CB2000-memory.dmp

Filesize
584KB

Download
memory/4208-10261-0x0000000036270000-0x0000000036814000-memory.dmp

Filesize
5.6MB

Download

Analysis

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