04eedf7a178b7da5cf982bc8df15d81be790c9d4cd6d430deb5b0d68371b3242

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/09/2024, 14:47

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General

Target

04eedf7a178b7da5cf982bc8df15d81be790c9d4cd6d430deb5b0d68371b3242N.exe
Size

53KB
MD5

3f2ccf7922eef6e476fb1366ddf878c0
SHA1

5e7cba186a07a00f86a3de074252c638ad06b8c7
SHA256

04eedf7a178b7da5cf982bc8df15d81be790c9d4cd6d430deb5b0d68371b3242
SHA512

aac44a9755e30fb46acd9f4ef8823771ed5f32527fcd5d8c82760f019fa1d67fca95526b1e5d39ca2cbe676cefeaabb981dd74b1db84dd1458ee1f45c183e84c
SSDEEP

1536:vNKg8r8QzxpKgGL7Kp3StjEMjmLM3ztDJWZsXy4JzxPM0:wxpKgEJJjmLM3zRJWZsXy4Jd

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	piuyol.exe

Executes dropped EXE 1 IoCs

pid	Process
2568	piuyol.exe

Loads dropped DLL 2 IoCs

pid	Process
2364	04eedf7a178b7da5cf982bc8df15d81be790c9d4cd6d430deb5b0d68371b3242N.exe
2364	04eedf7a178b7da5cf982bc8df15d81be790c9d4cd6d430deb5b0d68371b3242N.exe

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\piuyol = "C:\\Users\\Admin\\piuyol.exe"	piuyol.exe

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

System Information Discovery
T1082

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	04eedf7a178b7da5cf982bc8df15d81be790c9d4cd6d430deb5b0d68371b3242N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	piuyol.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
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2568	piuyol.exe
2568	piuyol.exe
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2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe
2568	piuyol.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2364	04eedf7a178b7da5cf982bc8df15d81be790c9d4cd6d430deb5b0d68371b3242N.exe
2568	piuyol.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2568	2364	04eedf7a178b7da5cf982bc8df15d81be790c9d4cd6d430deb5b0d68371b3242N.exe	30
PID 2364 wrote to memory of 2568	2364	04eedf7a178b7da5cf982bc8df15d81be790c9d4cd6d430deb5b0d68371b3242N.exe	30
PID 2364 wrote to memory of 2568	2364	04eedf7a178b7da5cf982bc8df15d81be790c9d4cd6d430deb5b0d68371b3242N.exe	30
PID 2364 wrote to memory of 2568	2364	04eedf7a178b7da5cf982bc8df15d81be790c9d4cd6d430deb5b0d68371b3242N.exe	30
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29
PID 2568 wrote to memory of 2364	2568	piuyol.exe	29

C:\Users\Admin\AppData\Local\Temp\04eedf7a178b7da5cf982bc8df15d81be790c9d4cd6d430deb5b0d68371b3242N.exe
"C:\Users\Admin\AppData\Local\Temp\04eedf7a178b7da5cf982bc8df15d81be790c9d4cd6d430deb5b0d68371b3242N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\piuyol.exe
  "C:\Users\Admin\piuyol.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2568

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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

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Downloads

\Users\Admin\piuyol.exe

Filesize
53KB

MD5
674e101da3d073c990b3b8bc10c07909

SHA1
3561f4c552015fe2137ee9dd55b1dee446ff81c1

SHA256
eb06ac6928b3ecf25cd8be0d108b797e380a25a3ac4d9d410526a1253058e589

SHA512
408b4e3bd8634bf0f8565e15ce23521a84fd1c9d68ecebd7cd44902c81e7bb11b03fe4491d466c08e509eefac1e10a77b926df34e338f42a75f2b816b01a9d31

Download Submit
memory/2364-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2364-14-0x0000000003720000-0x0000000003732000-memory.dmp

Filesize
72KB

Download
memory/2364-19-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2364-20-0x0000000003720000-0x0000000003732000-memory.dmp

Filesize
72KB

Download
memory/2568-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2568-21-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download