purelogstealer | 64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 01:10

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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
behavioral1/memory/2088-1-0x0000000000B60000-0x0000000000C4E000-memory.dmp	family_purelog_stealer

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\afasdfga = "C:\\Users\\Admin\\AppData\\Roaming\\afasdfga.exe"	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4864	2088	WerFault.exe	29

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
2088	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2088	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
Token: SeDebugPrivilege	2088	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 4864	2088	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	31
PID 2088 wrote to memory of 4864	2088	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	31
PID 2088 wrote to memory of 4864	2088	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	31
PID 2088 wrote to memory of 4864	2088	64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe	31

C:\Users\Admin\AppData\Local\Temp\64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe
"C:\Users\Admin\AppData\Local\Temp\64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 624
  2⤵
  - Program crash
  PID:4864

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/2088-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2088-1-0x0000000000B60000-0x0000000000C4E000-memory.dmp

Filesize
952KB

Download
memory/2088-2-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2088-3-0x0000000004250000-0x000000000432C000-memory.dmp

Filesize
880KB

Download
memory/2088-4-0x0000000004C40000-0x0000000004D1E000-memory.dmp

Filesize
888KB

Download
memory/2088-5-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-20-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-6-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-22-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-18-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-16-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-15-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-12-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-10-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-8-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-24-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-46-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-56-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-68-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-66-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-64-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-62-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-60-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-58-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-54-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-52-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-50-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-48-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-44-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-42-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-40-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-38-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-36-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-34-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-32-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-30-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-28-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-26-0x0000000004C40000-0x0000000004D18000-memory.dmp

Filesize
864KB

Download
memory/2088-1077-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2088-1078-0x0000000000B00000-0x0000000000B58000-memory.dmp

Filesize
352KB

Download
memory/2088-1079-0x0000000004370000-0x00000000043BC000-memory.dmp

Filesize
304KB

Download
memory/2088-1080-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2088-1081-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2088-1082-0x00000000047F0000-0x0000000004844000-memory.dmp

Filesize
336KB

Download