purelogstealer | 64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a

Resubmissions

13-11-2024 14:15

241113-rkm3kasphs 10

22-08-2024 04:20

240822-eygfqayaqg 10

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
22-08-2024 04:20

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General

Target

64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
Size

924KB
MD5

de64bb0f39113e48a8499d3401461cf8
SHA1

8d78c2d4701e4596e87e3f09adde214a2a2033e8
SHA256

64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a
SHA512

35b7cdcfb866dcdc79be34066a9ad5a8058b80e68925aeb23708606149841022de17e9d205389c13803c01e356174a2f657773df7d53f889e4e1fc1d68074179
SSDEEP

24576:NAHFp2K15zXnjfQb6+jFb5RIAJTOcA4gnPdCPPd7wm:WHf15zM5JbtA4wPdCnd75

Score

10^/10

purelogstealer discovery persistence stealer

Malware Config

Signatures

PureLog Stealer
PureLog Stealer is an infostealer written in C#.
stealer purelogstealer

PureLog Stealer payload 1 IoCs

resource	yara_rule
behavioral2/memory/3800-1-0x0000000000D30000-0x0000000000E1E000-memory.dmp	family_purelog_stealer

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3800 created 3264	3800	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	52

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Windows\CurrentVersion\Run\afasdfga = "C:\\Users\\Admin\\AppData\\Roaming\\afasdfga.exe"	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3800 set thread context of 2440	3800	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	78

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3800	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3800	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
Token: SeDebugPrivilege	3800	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3800 wrote to memory of 2440	3800	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	78
PID 3800 wrote to memory of 2440	3800	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	78
PID 3800 wrote to memory of 2440	3800	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	78
PID 3800 wrote to memory of 2440	3800	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	78
PID 3800 wrote to memory of 2440	3800	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	78
PID 3800 wrote to memory of 2440	3800	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	78
PID 3800 wrote to memory of 2440	3800	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	78
PID 3800 wrote to memory of 2440	3800	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	78

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3264
- C:\Users\Admin\AppData\Local\Temp\64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
  "C:\Users\Admin\AppData\Local\Temp\64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3800
- C:\Users\Admin\AppData\Local\Temp\64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
  "C:\Users\Admin\AppData\Local\Temp\64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe"
  2⤵
  PID:2440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3800-0-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

Filesize
4KB

Download
memory/3800-1-0x0000000000D30000-0x0000000000E1E000-memory.dmp

Filesize
952KB

Download
memory/3800-2-0x0000000074FE0000-0x0000000075791000-memory.dmp

Filesize
7.7MB

Download
memory/3800-3-0x00000000057D0000-0x00000000058AC000-memory.dmp

Filesize
880KB

Download
memory/3800-4-0x0000000005990000-0x0000000005A6E000-memory.dmp

Filesize
888KB

Download
memory/3800-20-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-28-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-58-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-68-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-66-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-64-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-62-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-60-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-56-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-54-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-52-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-50-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-46-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-44-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-42-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-40-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-36-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-34-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-32-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-30-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-26-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-24-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-22-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-18-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-16-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-14-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-12-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-10-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-8-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-6-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-48-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-38-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-5-0x0000000005990000-0x0000000005A68000-memory.dmp

Filesize
864KB

Download
memory/3800-1077-0x0000000074FE0000-0x0000000075791000-memory.dmp

Filesize
7.7MB

Download
memory/3800-1078-0x0000000005B00000-0x0000000005B58000-memory.dmp

Filesize
352KB

Download
memory/3800-1079-0x0000000005B60000-0x0000000005BAC000-memory.dmp

Filesize
304KB

Download
memory/3800-1083-0x0000000074FE0000-0x0000000075791000-memory.dmp

Filesize
7.7MB

Download
memory/3800-1084-0x0000000074FE0000-0x0000000075791000-memory.dmp

Filesize
7.7MB

Download
memory/3800-1085-0x0000000074FE0000-0x0000000075791000-memory.dmp

Filesize
7.7MB

Download
memory/3800-1086-0x0000000074FEE000-0x0000000074FEF000-memory.dmp

Filesize
4KB

Download
memory/3800-1087-0x0000000006500000-0x0000000006AA6000-memory.dmp

Filesize
5.6MB

Download
memory/3800-1088-0x0000000005C40000-0x0000000005C94000-memory.dmp

Filesize
336KB

Download
memory/3800-1093-0x0000000074FE0000-0x0000000075791000-memory.dmp

Filesize
7.7MB

Download