purelogstealer | a88eb9233151e36f765a78f19958631c9d161d88d1b5b9ebf2391450bdce7d9d

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-08-2024 01:53

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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/2344-1-0x0000000000550000-0x000000000063E000-memory.dmp	family_purelog_stealer

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2344 created 3472	2344	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	56

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-1-5-21-2718105630-359604950-2820636825-1000\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 2344 set thread context of 3096	2344	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	94

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
2344	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
Token: SeDebugPrivilege	2344	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 3096	2344	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	94
PID 2344 wrote to memory of 3096	2344	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	94
PID 2344 wrote to memory of 3096	2344	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	94
PID 2344 wrote to memory of 3096	2344	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	94
PID 2344 wrote to memory of 3096	2344	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	94
PID 2344 wrote to memory of 3096	2344	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	94
PID 2344 wrote to memory of 3096	2344	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	94
PID 2344 wrote to memory of 3096	2344	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3472
- 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:2344
- C:\Users\Admin\AppData\Local\Temp\64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
  "C:\Users\Admin\AppData\Local\Temp\64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe"
  2⤵
  PID:3096

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/2344-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/2344-1-0x0000000000550000-0x000000000063E000-memory.dmp

Filesize
952KB

Download
memory/2344-2-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/2344-3-0x0000000004FB0000-0x000000000508C000-memory.dmp

Filesize
880KB

Download
memory/2344-4-0x0000000005170000-0x000000000524E000-memory.dmp

Filesize
888KB

Download
memory/2344-18-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-68-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-66-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-64-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-62-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-60-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-58-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-56-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-54-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-50-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-49-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-46-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-45-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-38-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-36-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-34-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-32-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-30-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-26-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-24-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-22-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-20-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-16-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-14-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-12-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-10-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-53-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-42-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-8-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-40-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-28-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-6-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-5-0x0000000005170000-0x0000000005248000-memory.dmp

Filesize
864KB

Download
memory/2344-1077-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/2344-1078-0x0000000005250000-0x00000000052A8000-memory.dmp

Filesize
352KB

Download
memory/2344-1079-0x00000000052B0000-0x00000000052FC000-memory.dmp

Filesize
304KB

Download
memory/2344-1083-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/2344-1084-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/2344-1085-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/2344-1086-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/2344-1087-0x0000000005C50000-0x00000000061F4000-memory.dmp

Filesize
5.6MB

Download
memory/2344-1088-0x0000000005390000-0x00000000053E4000-memory.dmp

Filesize
336KB

Download
memory/2344-1093-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download