purelogstealer | 914026a3a2ae151be05a903844b0f0b5abfc493101460ea044b51c458b4ce34c

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 01:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

81f91061c650c2d9fdeab6a9d8be220a93d46f930d5c435e4a00c511236a4caa.exe
Size

976KB
MD5

902f14b6f32cc40a82d6a0f2c41208ec
SHA1

c01e5bc3e9dbb84a5b36841045055999fc0a16cf
SHA256

81f91061c650c2d9fdeab6a9d8be220a93d46f930d5c435e4a00c511236a4caa
SHA512

d55e184309e122ffbe3097bfb64b3e23829228cd16030dca5856bfa1725bc60c2da04bf04c8919ca658ca4b7b03e4be6e6bc9240b5816903609969213be2f97c
SSDEEP

24576:1Ibj07xMVrpydHnnDfiDw8PZIykCu3oxmv2GX:1+ukYxDqnZTlns2

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/2036-1-0x00000000012F0000-0x00000000013EA000-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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\afasdfga = "C:\\Users\\Admin\\AppData\\Roaming\\afasdfga.exe"	81f91061c650c2d9fdeab6a9d8be220a93d46f930d5c435e4a00c511236a4caa.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4968	2036	WerFault.exe	30

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	81f91061c650c2d9fdeab6a9d8be220a93d46f930d5c435e4a00c511236a4caa.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2036	81f91061c650c2d9fdeab6a9d8be220a93d46f930d5c435e4a00c511236a4caa.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	81f91061c650c2d9fdeab6a9d8be220a93d46f930d5c435e4a00c511236a4caa.exe
Token: SeDebugPrivilege	2036	81f91061c650c2d9fdeab6a9d8be220a93d46f930d5c435e4a00c511236a4caa.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 4968	2036	81f91061c650c2d9fdeab6a9d8be220a93d46f930d5c435e4a00c511236a4caa.exe	31
PID 2036 wrote to memory of 4968	2036	81f91061c650c2d9fdeab6a9d8be220a93d46f930d5c435e4a00c511236a4caa.exe	31
PID 2036 wrote to memory of 4968	2036	81f91061c650c2d9fdeab6a9d8be220a93d46f930d5c435e4a00c511236a4caa.exe	31
PID 2036 wrote to memory of 4968	2036	81f91061c650c2d9fdeab6a9d8be220a93d46f930d5c435e4a00c511236a4caa.exe	31

C:\Users\Admin\AppData\Local\Temp\81f91061c650c2d9fdeab6a9d8be220a93d46f930d5c435e4a00c511236a4caa.exe
"C:\Users\Admin\AppData\Local\Temp\81f91061c650c2d9fdeab6a9d8be220a93d46f930d5c435e4a00c511236a4caa.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:2036
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 624
  2⤵
  - Program crash
  PID:4968

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

Loading Replay Monitor...

Downloads

memory/2036-0-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2036-1-0x00000000012F0000-0x00000000013EA000-memory.dmp

Filesize
1000KB

Download
memory/2036-3-0x0000000000950000-0x0000000000A2C000-memory.dmp

Filesize
880KB

Download
memory/2036-2-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2036-4-0x0000000000FA0000-0x000000000107C000-memory.dmp

Filesize
880KB

Download
memory/2036-5-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-6-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-8-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-10-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-48-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-12-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-14-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-16-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-18-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-20-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-22-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-24-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-26-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-28-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-30-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-32-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-34-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-40-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-46-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-62-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-68-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-66-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-64-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-60-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-58-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-56-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-54-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-52-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-50-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-44-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-42-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-38-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-36-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2036-1077-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2036-1078-0x0000000001080000-0x00000000010D8000-memory.dmp

Filesize
352KB

Download
memory/2036-1079-0x0000000000830000-0x000000000087C000-memory.dmp

Filesize
304KB

Download
memory/2036-1080-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2036-1081-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2036-1082-0x0000000000DB0000-0x0000000000E04000-memory.dmp

Filesize
336KB

Download