e5b2c802fd398dcf09a7ac7242f9a3bdaa2a2d7abf08a3cc597ff0365a1abfbc

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
01/06/2024, 17:02

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General

Target

purity.exe
Size

914KB
MD5

09b4990cfdc4b968b00530f2a27ff82d
SHA1

600322619eb375cc09e000222b824ea47b29525e
SHA256

e5b2c802fd398dcf09a7ac7242f9a3bdaa2a2d7abf08a3cc597ff0365a1abfbc
SHA512

d9d23ba74e7a366e9c7ca1b9164b509715ca043afffa1fac9e16d064effdf3dc69e25e57ab1ad32a52eede770b2126aa32a93d406c28fe7cdadcfc4ab5d085cd
SSDEEP

24576:WRC1WFteOptl7do60OegX7AoonjMXnMvQo:91wXdD0Ervonj

Score

8^/10

persistence

Malware Config

Signatures

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\ITmVudzANACc\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\ITmVudzANACc"	unknowncheatsme.exe

Executes dropped EXE 1 IoCs

pid	Process
2904	unknowncheatsme.exe

Loads dropped DLL 1 IoCs

pid	Process
1972	purity.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SoftwareDistribution\Download\unknowncheatsme.sys	purity.exe
File created	C:\Windows\SoftwareDistribution\Download\unknowncheatsme.exe	purity.exe

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

System Information Discovery
T1082

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2904	unknowncheatsme.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	2904	unknowncheatsme.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 1968	1972	purity.exe	29
PID 1972 wrote to memory of 1968	1972	purity.exe	29
PID 1972 wrote to memory of 1968	1972	purity.exe	29
PID 1972 wrote to memory of 2904	1972	purity.exe	30
PID 1972 wrote to memory of 2904	1972	purity.exe	30
PID 1972 wrote to memory of 2904	1972	purity.exe	30
PID 1972 wrote to memory of 2628	1972	purity.exe	32
PID 1972 wrote to memory of 2628	1972	purity.exe	32
PID 1972 wrote to memory of 2628	1972	purity.exe	32

C:\Users\Admin\AppData\Local\Temp\purity.exe
"C:\Users\Admin\AppData\Local\Temp\purity.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:1968
- C:\Windows\SoftwareDistribution\Download\unknowncheatsme.exe
  "C:\Windows\SoftwareDistribution\Download\unknowncheatsme.exe" C:\Windows\SoftwareDistribution\Download\unknowncheatsme.sys
  2⤵
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2904
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:2628

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SoftwareDistribution\Download\unknowncheatsme.exe

Filesize
134KB

MD5
34cfbe3ff70461820ccc31a1afeec0b3

SHA1
5d32e91c039c9a6f723ba3c04c1179d02e6a0ce9

SHA256
6ebcc6896b243c761da4fc28a26249b0c146ae17aff7697c09bc447008e831df

SHA512
1ca4661be645e7e954d89c83f1fd126a5e936533052d4e330c9faccb83bb5942d28265375cee743e468b1625a0c1f10888e7957fe88c718e8501a86a78cdc06e

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads