purelogstealer | 64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a

Analysis

max time kernel
195s
max time network
302s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
22-08-2024 22:35

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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

Processes:

resource	yara_rule
behavioral2/memory/4740-1-0x0000000000590000-0x000000000067E000-memory.dmp	family_purelog_stealer

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

description pid process target process

PID 4740 created 3308 4740 64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe Explorer.EXE

description	pid	process	target process
PID 4740 created 3308	4740	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	Explorer.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows\CurrentVersion\Run\afasdfga = "C:\\Users\\Admin\\AppData\\Roaming\\afasdfga.exe"	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

description	pid	process	target process
PID 4740 set thread context of 3344	4740	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

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

Processes:

64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

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

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

pid process

4740 64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

pid	process
4740	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

description	pid	process
Token: SeDebugPrivilege	4740	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
Token: SeDebugPrivilege	4740	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

description	pid	process	target process
PID 4740 wrote to memory of 3344	4740	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
PID 4740 wrote to memory of 3344	4740	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
PID 4740 wrote to memory of 3344	4740	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
PID 4740 wrote to memory of 3344	4740	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
PID 4740 wrote to memory of 3344	4740	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
PID 4740 wrote to memory of 3344	4740	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
PID 4740 wrote to memory of 3344	4740	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
PID 4740 wrote to memory of 3344	4740	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3308
- 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:4740
- C:\Users\Admin\AppData\Local\Temp\64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
  "C:\Users\Admin\AppData\Local\Temp\64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe"
  2⤵
  PID:3344

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/4740-0-0x00000000733AE000-0x00000000733AF000-memory.dmp

Filesize
4KB

Download
memory/4740-1-0x0000000000590000-0x000000000067E000-memory.dmp

Filesize
952KB

Download
memory/4740-2-0x00000000733A0000-0x0000000073A8E000-memory.dmp

Filesize
6.9MB

Download
memory/4740-3-0x0000000004E90000-0x0000000004F6C000-memory.dmp

Filesize
880KB

Download
memory/4740-4-0x0000000004FE0000-0x00000000050BE000-memory.dmp

Filesize
888KB

Download
memory/4740-6-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-5-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-12-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-54-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-58-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-68-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-66-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-64-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-62-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-60-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-56-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-52-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-50-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-48-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-46-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-44-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-40-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-38-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-36-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-32-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-30-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-28-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-26-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-24-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-22-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-20-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-18-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-16-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-10-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-9-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-42-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-34-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-14-0x0000000004FE0000-0x00000000050B8000-memory.dmp

Filesize
864KB

Download
memory/4740-1077-0x00000000733A0000-0x0000000073A8E000-memory.dmp

Filesize
6.9MB

Download
memory/4740-1078-0x0000000005100000-0x0000000005158000-memory.dmp

Filesize
352KB

Download
memory/4740-1079-0x0000000005160000-0x00000000051AC000-memory.dmp

Filesize
304KB

Download
memory/4740-1083-0x00000000733A0000-0x0000000073A8E000-memory.dmp

Filesize
6.9MB

Download
memory/4740-1084-0x00000000733A0000-0x0000000073A8E000-memory.dmp

Filesize
6.9MB

Download
memory/4740-1085-0x00000000733A0000-0x0000000073A8E000-memory.dmp

Filesize
6.9MB

Download
memory/4740-1086-0x00000000733AE000-0x00000000733AF000-memory.dmp

Filesize
4KB

Download
memory/4740-1087-0x0000000005A50000-0x0000000005F4E000-memory.dmp

Filesize
5.0MB

Download
memory/4740-1088-0x0000000005240000-0x0000000005294000-memory.dmp

Filesize
336KB

Download
memory/4740-1093-0x00000000733A0000-0x0000000073A8E000-memory.dmp

Filesize
6.9MB

Download