purelogs | 6958207d220f5e4779476143888ecc491ff86ae881e74dd1791dc5f7b57ee096

General

Target

Rybkdr.exe
Size

1.1MB
MD5

d6393631100d7160ca348397cb01943d
SHA1

3ff0803ae9fd31efc74bcb29006c1cbf29b03f75
SHA256

eea977d6c736325a557a0c31552c49c51399748fc138db772735109fb6510757
SHA512

efef9bd64c68757c762a2fdbeb21cc6fc504b85dfd4f468b13504b00b365b58cd83aad3dbbc1cc12c8688d74777d69d6e09685cc9310a0cd29885f6a74fea576
SSDEEP

24576:X1uC5JT92RkNSIXtzdf1ZOS0e42xWVYknV3G/Z:AKfRdtsS0e4GIV3GR

Score

10^/10

purelogs persistence stealer

Malware Config

Signatures

Detect PureLogs payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2236-0-0x0000000000360000-0x0000000000486000-memory.dmp	family_purelogs

PureLogs
PureLogs is an infostealer written in C#.
stealer purelogs

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Rybkdr.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Windows\CurrentVersion\Run\Pwdhqxrq = "C:\\Users\\Admin\\AppData\\Roaming\\Pwdhqxrq.exe"	Rybkdr.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

Rybkdr.exe

pid	process
2236	Rybkdr.exe
2236	Rybkdr.exe
2236	Rybkdr.exe
2236	Rybkdr.exe
2236	Rybkdr.exe
2236	Rybkdr.exe
2236	Rybkdr.exe
2236	Rybkdr.exe
2236	Rybkdr.exe
2236	Rybkdr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Rybkdr.exe

description pid process

Token: SeDebugPrivilege 2236 Rybkdr.exe

description	pid	process
Token: SeDebugPrivilege	2236	Rybkdr.exe

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

Rybkdr.exe

description	pid	process	target process
PID 2236 wrote to memory of 2820	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2820	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2820	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2820	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 1084	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 1084	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 1084	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 1084	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2032	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2032	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2032	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2032	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 1064	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 1064	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 1064	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 1064	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2352	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2352	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2352	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2352	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 1976	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 1976	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 1976	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 1976	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2624	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2624	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2624	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2624	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2604	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2604	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2604	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2604	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2696	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2696	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2696	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2696	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2712	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2712	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2712	2236	Rybkdr.exe	Rybkdr.exe
PID 2236 wrote to memory of 2712	2236	Rybkdr.exe	Rybkdr.exe

C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
"C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2236

C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
2⤵
PID:2820

C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
2⤵
PID:1084

C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
2⤵
PID:2032

C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
2⤵
PID:1064

C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
2⤵
PID:2352

C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
2⤵
PID:1976

C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
2⤵
PID:2624

C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
2⤵
PID:2604

C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
2⤵
PID:2696

C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
C:\Users\Admin\AppData\Local\Temp\Rybkdr.exe
2⤵
PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2236-0-0x0000000000360000-0x0000000000486000-memory.dmp

Filesize
1.1MB

Download
memory/2236-1-0x00000000742C0000-0x00000000749AE000-memory.dmp

Filesize
6.9MB

Download
memory/2236-2-0x0000000004150000-0x00000000041AA000-memory.dmp

Filesize
360KB

Download
memory/2236-3-0x0000000004240000-0x0000000004280000-memory.dmp

Filesize
256KB

Download
memory/2236-4-0x00000000041B0000-0x00000000041F2000-memory.dmp

Filesize
264KB

Download
memory/2236-5-0x00000000041F0000-0x0000000004230000-memory.dmp

Filesize
256KB

Download
memory/2236-6-0x0000000004280000-0x00000000042CC000-memory.dmp

Filesize
304KB

Download
memory/2236-8-0x00000000742C0000-0x00000000749AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads