purelogstealer | 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509

Analysis

max time kernel
23s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 01:02

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General

Target

1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe
Size

1.9MB
MD5

b0b0b09a9bf3348c6746cae342dff4b6
SHA1

6add2fe6a76201390ecc2e950203fadeca3f0161
SHA256

1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509
SHA512

edae9f061474d4979a02374d417d01268bd053a4127586245c13fe9d28bc46b967fd3e4dd6e3e513ce686efa12257951a439086c4252da67cb364b21569f3d03
SSDEEP

24576:VU+i4hqrt8ZgqiPYV/OIMZ9JeMorwzh+9dhYCOQ1CqKZJzajUN3de/:mrt8Sq3VOFloIs9YjQka2e/

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
behavioral1/memory/2052-1-0x0000000000E20000-0x0000000001004000-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

Processes:

1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\Pwmmxw = "C:\\Users\\Admin\\AppData\\Roaming\\Pwmmxw.exe"	1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4784 2052 WerFault.exe 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe

pid	pid_target	process	target process
4784	2052	WerFault.exe	1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.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:

1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe

pid process

2052 1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe

pid	process
2052	1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe

description	pid	process
Token: SeDebugPrivilege	2052	1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe
Token: SeDebugPrivilege	2052	1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe

description	pid	process	target process
PID 2052 wrote to memory of 4784	2052	1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe	WerFault.exe
PID 2052 wrote to memory of 4784	2052	1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe	WerFault.exe
PID 2052 wrote to memory of 4784	2052	1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe	WerFault.exe
PID 2052 wrote to memory of 4784	2052	1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.exe
"C:\Users\Admin\AppData\Local\Temp\1d7c6ed697ee011ad969d1d7c706d88a962584f87d543fcc77ee358c5bfb4509.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:2052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 640
  2⤵
  - Program crash
  PID:4784

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/2052-0-0x000000007499E000-0x000000007499F000-memory.dmp

Filesize
4KB

Download
memory/2052-1-0x0000000000E20000-0x0000000001004000-memory.dmp

Filesize
1.9MB

Download
memory/2052-3-0x00000000052F0000-0x000000000549C000-memory.dmp

Filesize
1.7MB

Download
memory/2052-2-0x0000000074990000-0x000000007507E000-memory.dmp

Filesize
6.9MB

Download
memory/2052-4-0x0000000005620000-0x00000000057CA000-memory.dmp

Filesize
1.7MB

Download
memory/2052-5-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-6-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-14-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-22-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-28-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-36-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-50-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-62-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-60-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-58-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-56-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-54-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-52-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-48-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-46-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-44-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-42-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-40-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-38-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-34-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-32-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-30-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-26-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-24-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-20-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-18-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-16-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-12-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-10-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-8-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-64-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-68-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-66-0x0000000005620000-0x00000000057C3000-memory.dmp

Filesize
1.6MB

Download
memory/2052-1077-0x0000000005810000-0x0000000005934000-memory.dmp

Filesize
1.1MB

Download
memory/2052-1078-0x0000000000820000-0x000000000086C000-memory.dmp

Filesize
304KB

Download
memory/2052-1079-0x0000000000CF0000-0x0000000000D44000-memory.dmp

Filesize
336KB

Download
memory/2052-1081-0x0000000074990000-0x000000007507E000-memory.dmp

Filesize
6.9MB

Download
memory/2052-1082-0x000000007499E000-0x000000007499F000-memory.dmp

Filesize
4KB

Download