purelogstealer | 0e559172d232f5fd5fe97331941cc210ed8de9d7ca09636514f536fd1797c69d

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
24-08-2024 13:18

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General

Target

URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe
Size

1.3MB
MD5

634d083e156932ad463d0b6d565b1864
SHA1

08efee0f93d8437fc78c1b072bab1bf656ba0446
SHA256

961e1a9e87354282994687dd1fcedab938d86b3444c60fb800693c12eba7992b
SHA512

544f2a497ee106fbca9d57322a13b03a7267d07829e6c170b1f8207b0a418c3ea4d2a043063aa99451f7c322d29159f398affe21e5ba72acd6ad123b099440a4
SSDEEP

24576:DpS9vNYPOhImXpYhqjxjY/TS9LrPC0g3MAtG5jtgBKqvs:A9v6PeBGhqjxE2960g3HG5jtgois

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/2296-1-0x0000000000DC0000-0x0000000000F16000-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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Zblau = "C:\\Users\\Admin\\AppData\\Roaming\\Zblau.exe"	URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4936	2296	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4780	powershell.exe
2296	URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe
Token: SeDebugPrivilege	4780	powershell.exe
Token: SeDebugPrivilege	2296	URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 4780	2296	URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe	30
PID 2296 wrote to memory of 4780	2296	URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe	30
PID 2296 wrote to memory of 4780	2296	URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe	30
PID 2296 wrote to memory of 4780	2296	URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe	30
PID 2296 wrote to memory of 4936	2296	URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe	32
PID 2296 wrote to memory of 4936	2296	URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe	32
PID 2296 wrote to memory of 4936	2296	URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe	32
PID 2296 wrote to memory of 4936	2296	URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe	32

C:\Users\Admin\AppData\Local\Temp\URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.exe
"C:\Users\Admin\AppData\Local\Temp\URGENTE requiere POR SEGUNDA VEZ Respuesta al oficio No.111 RD Rad. 2013-656.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:2296
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAVQBSAEcARQBOAFQARQAgAHIAZQBxAHUAaQBlAHIAZQAgAFAATwBSACAAUwBFAEcAVQBOAEQAQQAgAFYARQBaACAAUgBlAHMAcAB1AGUAcwB0AGEAIABhAGwAIABvAGYAaQBjAGkAbwAgAE4AbwAuADEAMQAxACAAUgBEACAAUgBhAGQALgAgADIAMAAxADMALQA2ADUANgAuAGUAeABlADsAIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAHIAbwBjAGUAcwBzACAAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAXABVAFIARwBFAE4AVABFACAAcgBlAHEAdQBpAGUAcgBlACAAUABPAFIAIABTAEUARwBVAE4ARABBACAAVgBFAFoAIABSAGUAcwBwAHUAZQBzAHQAYQAgAGEAbAAgAG8AZgBpAGMAaQBvACAATgBvAC4AMQAxADEAIABSAEQAIABSAGEAZAAuACAAMgAwADEAMwAtADYANQA2AC4AZQB4AGUAOwBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAGEAdABoACAAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAFIAbwBhAG0AaQBuAGcAXABaAGIAbABhAHUALgBlAHgAZQA7ACAAQQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUAByAG8AYwBlAHMAcwAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABSAG8AYQBtAGkAbgBnAFwAWgBiAGwAYQB1AC4AZQB4AGUA
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 896
  2⤵
  - Program crash
  PID:4936

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 Information Discovery

T1082

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/2296-50-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-1080-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/2296-2-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-3-0x00000000047E0000-0x00000000048FE000-memory.dmp

Filesize
1.1MB

Download
memory/2296-4-0x0000000004E30000-0x0000000004F4C000-memory.dmp

Filesize
1.1MB

Download
memory/2296-12-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-5-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-25-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-6-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-44-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-8-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-10-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-18-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-16-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-36-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-54-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-56-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-64-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-60-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-68-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-58-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-52-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-1087-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-1-0x0000000000DC0000-0x0000000000F16000-memory.dmp

Filesize
1.3MB

Download
memory/2296-39-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-42-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-40-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-46-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-34-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-32-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-30-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-28-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-26-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-22-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-20-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-14-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-62-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-66-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-1077-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-1078-0x0000000004F50000-0x0000000004FE8000-memory.dmp

Filesize
608KB

Download
memory/2296-1079-0x0000000004CC0000-0x0000000004D0C000-memory.dmp

Filesize
304KB

Download
memory/2296-48-0x0000000004E30000-0x0000000004F47000-memory.dmp

Filesize
1.1MB

Download
memory/2296-1081-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-1088-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-1085-0x0000000005170000-0x00000000051C4000-memory.dmp

Filesize
336KB

Download
memory/2296-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/4780-1084-0x00000000023D0000-0x0000000002410000-memory.dmp

Filesize
256KB

Download