purelogs | 13e2517eb9d45a3d68feec9d8cec5e8aeeed4b57d63db428f68c54be4224390e

Analysis

max time kernel
124s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2023, 17:32

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General

Target

249fa2a560a2a8e1ae5a6b114e31afb2.exe
Size

3.0MB
MD5

249fa2a560a2a8e1ae5a6b114e31afb2
SHA1

3d1cecb12c80bbb4c3d69d25f8295c867a40828f
SHA256

13e2517eb9d45a3d68feec9d8cec5e8aeeed4b57d63db428f68c54be4224390e
SHA512

0c1f25f518e7026bcc0ba1ea55ab498e85e68ac6ce27cc12c554e75718f2d8956eb7b7407898d9cc8fbf4bd6335c63d97876c267ac3a54268930738c0b9f824b
SSDEEP

98304:RjB+06fkx9KWqBDeRTsnBF75riKIJWsHGR:RjB+Rfe7RTsBF75OKjs+

Score

10^/10

purelogs persistence stealer

Malware Config

Signatures

Detect PureLogs payload 1 IoCs

resource	yara_rule
behavioral2/memory/4276-0-0x0000000000AA0000-0x0000000000DAE000-memory.dmp	family_purelogs

PureLogs
PureLogs is an infostealer written in C#.
stealer purelogs

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-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cphekmz = "C:\\Users\\Admin\\AppData\\Roaming\\Cphekmz.exe"	249fa2a560a2a8e1ae5a6b114e31afb2.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe
4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 4276 wrote to memory of 4600	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	57
PID 4276 wrote to memory of 4600	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	57
PID 4276 wrote to memory of 4600	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	57
PID 4276 wrote to memory of 4600	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	57
PID 4276 wrote to memory of 2168	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	56
PID 4276 wrote to memory of 2168	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	56
PID 4276 wrote to memory of 2168	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	56
PID 4276 wrote to memory of 2168	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	56
PID 4276 wrote to memory of 2136	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	55
PID 4276 wrote to memory of 2136	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	55
PID 4276 wrote to memory of 2136	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	55
PID 4276 wrote to memory of 2136	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	55
PID 4276 wrote to memory of 1772	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	54
PID 4276 wrote to memory of 1772	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	54
PID 4276 wrote to memory of 1772	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	54
PID 4276 wrote to memory of 1772	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	54
PID 4276 wrote to memory of 4208	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	53
PID 4276 wrote to memory of 4208	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	53
PID 4276 wrote to memory of 4208	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	53
PID 4276 wrote to memory of 4208	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	53
PID 4276 wrote to memory of 5012	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	52
PID 4276 wrote to memory of 5012	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	52
PID 4276 wrote to memory of 5012	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	52
PID 4276 wrote to memory of 5012	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	52
PID 4276 wrote to memory of 1412	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	51
PID 4276 wrote to memory of 1412	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	51
PID 4276 wrote to memory of 1412	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	51
PID 4276 wrote to memory of 1412	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	51
PID 4276 wrote to memory of 2216	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	48
PID 4276 wrote to memory of 2216	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	48
PID 4276 wrote to memory of 2216	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	48
PID 4276 wrote to memory of 2216	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	48
PID 4276 wrote to memory of 4876	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	50
PID 4276 wrote to memory of 4876	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	50
PID 4276 wrote to memory of 4876	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	50
PID 4276 wrote to memory of 4876	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	50
PID 4276 wrote to memory of 3984	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	49
PID 4276 wrote to memory of 3984	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	49
PID 4276 wrote to memory of 3984	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	49
PID 4276 wrote to memory of 3984	4276	249fa2a560a2a8e1ae5a6b114e31afb2.exe	49

C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
"C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4276
- C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  2⤵
  PID:2216
- C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  2⤵
  PID:3984
- C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  2⤵
  PID:4876
- C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  2⤵
  PID:1412
- C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  2⤵
  PID:5012
- C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  2⤵
  PID:4208
- C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  2⤵
  PID:1772
- C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  2⤵
  PID:2136
- C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  2⤵
  PID:2168
- C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  C:\Users\Admin\AppData\Local\Temp\249fa2a560a2a8e1ae5a6b114e31afb2.exe
  2⤵
  PID:4600

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4276-1-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download
memory/4276-2-0x0000000005900000-0x0000000005910000-memory.dmp

Filesize
64KB

Download
memory/4276-0-0x0000000000AA0000-0x0000000000DAE000-memory.dmp

Filesize
3.1MB

Download
memory/4276-3-0x0000000005910000-0x0000000005BC4000-memory.dmp

Filesize
2.7MB

Download
memory/4276-4-0x0000000006D00000-0x0000000006FB4000-memory.dmp

Filesize
2.7MB

Download
memory/4276-5-0x0000000006FB0000-0x000000000724A000-memory.dmp

Filesize
2.6MB

Download
memory/4276-7-0x0000000005240000-0x000000000528C000-memory.dmp

Filesize
304KB

Download
memory/4276-6-0x0000000005BD0000-0x0000000005E6A000-memory.dmp

Filesize
2.6MB

Download
memory/4276-8-0x0000000006420000-0x00000000069C4000-memory.dmp

Filesize
5.6MB

Download
memory/4276-11-0x0000000074750000-0x0000000074F00000-memory.dmp

Filesize
7.7MB

Download