purecrypter | d90cc5d953f48c18660bad6edafd3f1f5fb03756f8558fc349dfec4418c14b96

Analysis

max time kernel
38s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03-02-2023 05:33

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General

Target

6c2a5008f01ea5fc51e70e0e775883e8.exe
Size

1.3MB
MD5

6c2a5008f01ea5fc51e70e0e775883e8
SHA1

90ed4866379e35c2a20e6e862c56df753e95e5df
SHA256

d90cc5d953f48c18660bad6edafd3f1f5fb03756f8558fc349dfec4418c14b96
SHA512

a2cd3d64a24470d05fb7435e019946a713a87da8dd6bb45bec773e71394dc374be0f7fb73c961ebebf341bf794ff7553e5a0bff37f83e442604f88279dc623de
SSDEEP

24576:dPKpTbfbpfF0mrA6TI2MH6pbHqnq3byxHJ1jh/GvFf/Qw+oRCpd:dCJtFk6TIi573UHrF+32pd

Score

10^/10

purecrypter redline tpb-activator downloader infostealer loader spyware

Malware Config

Extracted

Family

redline

Botnet

TPB-ACTIVATOR

amrican-sport-live-stream.cc:4581

Attributes

auth_value
df7c91432437b11d8f25d54ba7832b8d

Signatures

Detect PureCrypter injector 1 IoCs

loader

Processes:

resource	yara_rule
behavioral1/memory/1364-55-0x0000000004DB0000-0x000000000502C000-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:

6c2a5008f01ea5fc51e70e0e775883e8.exe

description pid process target process

PID 1364 set thread context of 1136 1364 6c2a5008f01ea5fc51e70e0e775883e8.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

InstallUtil.exe

pid process

1136 InstallUtil.exe
1136 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

6c2a5008f01ea5fc51e70e0e775883e8.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1364 6c2a5008f01ea5fc51e70e0e775883e8.exe
Token: SeDebugPrivilege 1136 InstallUtil.exe

description	pid	process	target process
PID 1364 set thread context of 1136	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe	InstallUtil.exe

pid	process
1136	InstallUtil.exe
1136	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe
Token: SeDebugPrivilege	1136	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

6c2a5008f01ea5fc51e70e0e775883e8.exe

description	pid	process	target process
PID 1364 wrote to memory of 1136	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe	InstallUtil.exe
PID 1364 wrote to memory of 1136	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe	InstallUtil.exe
PID 1364 wrote to memory of 1136	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe	InstallUtil.exe
PID 1364 wrote to memory of 1136	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe	InstallUtil.exe
PID 1364 wrote to memory of 1136	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe	InstallUtil.exe
PID 1364 wrote to memory of 1136	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe	InstallUtil.exe
PID 1364 wrote to memory of 1136	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe	InstallUtil.exe
PID 1364 wrote to memory of 1136	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe	InstallUtil.exe
PID 1364 wrote to memory of 1136	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe	InstallUtil.exe
PID 1364 wrote to memory of 1136	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe	InstallUtil.exe
PID 1364 wrote to memory of 1136	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe	InstallUtil.exe
PID 1364 wrote to memory of 1136	1364	6c2a5008f01ea5fc51e70e0e775883e8.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\6c2a5008f01ea5fc51e70e0e775883e8.exe
"C:\Users\Admin\AppData\Local\Temp\6c2a5008f01ea5fc51e70e0e775883e8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1364

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:1136

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1136-62-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1136-57-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1136-58-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1136-60-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1136-64-0x0000000000444D8E-mapping.dmp

Download
memory/1136-63-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1136-66-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1136-68-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1136-69-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1136-70-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/1364-55-0x0000000004DB0000-0x000000000502C000-memory.dmp

Filesize
2.5MB

Download
memory/1364-56-0x0000000004320000-0x0000000004380000-memory.dmp

Filesize
384KB

Download
memory/1364-54-0x0000000000C00000-0x0000000000D48000-memory.dmp

Filesize
1.3MB

Download