purecrypter | 97bfa0bd9f3b382280f67839c650a3d7be16aa31f124810f3a9b9559e34619c6

General

Target

Lcovlccdxd.exe
Size

1.2MB
MD5

d3713110654dc546bd5edc306a6e7efd
SHA1

db266e554e96098584bcbb29aa2774106a7e90bf
SHA256

97bfa0bd9f3b382280f67839c650a3d7be16aa31f124810f3a9b9559e34619c6
SHA512

35013774da17edf34b0d632766d54a55609d4c68b12da758b26016e5590f349f0a5dd475041cc7dbf02960a67214f9917da34b4c0d7bacdd839865d31fed8de6
SSDEEP

24576:Yw03rS2BK40yMVrs+JBe0pw0H/bap4p16SM7RdkZu3svS/oUfsD:barS2BKOM/JBeYJfFP6SMdd6aRfs

Score

10^/10

purecrypter redline cheat discovery downloader infostealer loader persistence spyware stealer

Malware Config

Extracted

Family

redline

Botnet

cheat

C2

194.26.192.248:7053

Signatures

Detect PureCrypter injector 1 IoCs

loader

Processes:

resource	yara_rule
behavioral1/memory/1632-55-0x0000000004D60000-0x0000000004FD8000-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

RedLine payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1688-66-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/1688-67-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/1688-68-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/1688-69-0x000000000041932E-mapping.dmp	family_redline
behavioral1/memory/1688-73-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/1688-71-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Lcovlccdxd.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\Opgcxhsdw = "\"C:\\Users\\Admin\\AppData\\Roaming\\Hribpuz\\Opgcxhsdw.exe\""	Lcovlccdxd.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of SetThreadContext 1 IoCs

Processes:

Lcovlccdxd.exe

description pid process target process

PID 1632 set thread context of 1688 1632 Lcovlccdxd.exe Lcovlccdxd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exeLcovlccdxd.exe

pid process

1464 powershell.exe
1688 Lcovlccdxd.exe
1688 Lcovlccdxd.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Lcovlccdxd.exepowershell.exeLcovlccdxd.exe

description pid process

Token: SeDebugPrivilege 1632 Lcovlccdxd.exe
Token: SeDebugPrivilege 1464 powershell.exe
Token: SeDebugPrivilege 1688 Lcovlccdxd.exe

description	pid	process	target process
PID 1632 set thread context of 1688	1632	Lcovlccdxd.exe	Lcovlccdxd.exe

pid	process
1464	powershell.exe
1688	Lcovlccdxd.exe
1688	Lcovlccdxd.exe

description	pid	process
Token: SeDebugPrivilege	1632	Lcovlccdxd.exe
Token: SeDebugPrivilege	1464	powershell.exe
Token: SeDebugPrivilege	1688	Lcovlccdxd.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Lcovlccdxd.exe

description	pid	process	target process
PID 1632 wrote to memory of 1464	1632	Lcovlccdxd.exe	powershell.exe
PID 1632 wrote to memory of 1464	1632	Lcovlccdxd.exe	powershell.exe
PID 1632 wrote to memory of 1464	1632	Lcovlccdxd.exe	powershell.exe
PID 1632 wrote to memory of 1464	1632	Lcovlccdxd.exe	powershell.exe
PID 1632 wrote to memory of 1688	1632	Lcovlccdxd.exe	Lcovlccdxd.exe
PID 1632 wrote to memory of 1688	1632	Lcovlccdxd.exe	Lcovlccdxd.exe
PID 1632 wrote to memory of 1688	1632	Lcovlccdxd.exe	Lcovlccdxd.exe
PID 1632 wrote to memory of 1688	1632	Lcovlccdxd.exe	Lcovlccdxd.exe
PID 1632 wrote to memory of 1688	1632	Lcovlccdxd.exe	Lcovlccdxd.exe
PID 1632 wrote to memory of 1688	1632	Lcovlccdxd.exe	Lcovlccdxd.exe
PID 1632 wrote to memory of 1688	1632	Lcovlccdxd.exe	Lcovlccdxd.exe
PID 1632 wrote to memory of 1688	1632	Lcovlccdxd.exe	Lcovlccdxd.exe
PID 1632 wrote to memory of 1688	1632	Lcovlccdxd.exe	Lcovlccdxd.exe

C:\Users\Admin\AppData\Local\Temp\Lcovlccdxd.exe
"C:\Users\Admin\AppData\Local\Temp\Lcovlccdxd.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1464

C:\Users\Admin\AppData\Local\Temp\Lcovlccdxd.exe
C:\Users\Admin\AppData\Local\Temp\Lcovlccdxd.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1688

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1464-57-0x0000000000000000-mapping.dmp

Download
memory/1464-59-0x000000006FDC0000-0x000000007036B000-memory.dmp

Filesize
5.7MB

Download
memory/1464-60-0x000000006FDC0000-0x000000007036B000-memory.dmp

Filesize
5.7MB

Download
memory/1464-61-0x000000006FDC0000-0x000000007036B000-memory.dmp

Filesize
5.7MB

Download
memory/1632-54-0x0000000001270000-0x00000000013AA000-memory.dmp

Filesize
1.2MB

Download
memory/1632-55-0x0000000004D60000-0x0000000004FD8000-memory.dmp

Filesize
2.5MB

Download
memory/1632-56-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1632-62-0x0000000004FE0000-0x000000000502A000-memory.dmp

Filesize
296KB

Download
memory/1688-63-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1688-64-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1688-66-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1688-67-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1688-68-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1688-69-0x000000000041932E-mapping.dmp

Download
memory/1688-73-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1688-71-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads