83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942

Analysis

max time kernel
149s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 23:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe
Size

67KB
MD5

03597db200d5c9dce67da7e02e2a4ade
SHA1

6aef6da057cf5e17f7900f32106cf4ec0023f58c
SHA256

83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942
SHA512

f21305a160018b408e44ceb9e122d638b219a830dc23f07cf46afcc1d4d055fe18de85af85ff8b7661332e7965852f645e7daf18a95b2c83a0178d55abb42dc3
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1GwKC:ulg35GTslA5t3uwKC

Score

10^/10

defense_evasion discovery evasion persistence trojan

Malware Config

Signatures

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	ekbeahut.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ekbeahut.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ekbeahut.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ekbeahut.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4D4B4454-5258-4954-4D4B-445452584954}	ekbeahut.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4D4B4454-5258-4954-4D4B-445452584954}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	ekbeahut.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4D4B4454-5258-4954-4D4B-445452584954}\IsInstalled = "1"	ekbeahut.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4D4B4454-5258-4954-4D4B-445452584954}\StubPath = "C:\\Windows\\system32\\ilgoapoon-afid.exe"	ekbeahut.exe

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 3 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	ekbeahut.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	ekbeahut.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\oulkoonup-ihid.exe"	ekbeahut.exe

Executes dropped EXE 2 IoCs

pid	Process
3632	ekbeahut.exe
4180	ekbeahut.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	ekbeahut.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ekbeahut.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ekbeahut.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ekbeahut.exe

Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

remove IFEO.

defense_evasion

Clear Persistence

T1070.009

description	ioc	Process
Delete value	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger	ekbeahut.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	ekbeahut.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	ekbeahut.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	ekbeahut.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\vxipuk.dll"	ekbeahut.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	ekbeahut.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ekbeahut.exe	ekbeahut.exe
File created	C:\Windows\SysWOW64\ekbeahut.exe	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe
File opened for modification	C:\Windows\SysWOW64\oulkoonup-ihid.exe	ekbeahut.exe
File created	C:\Windows\SysWOW64\oulkoonup-ihid.exe	ekbeahut.exe
File opened for modification	C:\Windows\SysWOW64\ilgoapoon-afid.exe	ekbeahut.exe
File opened for modification	C:\Windows\SysWOW64\vxipuk.dll	ekbeahut.exe
File created	C:\Windows\SysWOW64\vxipuk.dll	ekbeahut.exe
File opened for modification	C:\Windows\SysWOW64\ekbeahut.exe	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe
File created	C:\Windows\SysWOW64\ilgoapoon-afid.exe	ekbeahut.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ekbeahut.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ekbeahut.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
4180	ekbeahut.exe
4180	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe
3632	ekbeahut.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4816	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe
Token: SeDebugPrivilege	3632	ekbeahut.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 3632	4816	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe	82
PID 4816 wrote to memory of 3632	4816	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe	82
PID 4816 wrote to memory of 3632	4816	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe	82
PID 3632 wrote to memory of 4180	3632	ekbeahut.exe	83
PID 3632 wrote to memory of 4180	3632	ekbeahut.exe	83
PID 3632 wrote to memory of 4180	3632	ekbeahut.exe	83

C:\Users\Admin\AppData\Local\Temp\83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe
"C:\Users\Admin\AppData\Local\Temp\83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Windows\SysWOW64\ekbeahut.exe
  "C:\Windows\system32\ekbeahut.exe"
  2⤵
  - Windows security bypass
  - Boot or Logon Autostart Execution: Active Setup
  - Event Triggered Execution: Image File Execution Options Injection
  - Executes dropped EXE
  - Windows security modification
  - Indicator Removal: Clear Persistence
  - Modifies WinLogon
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3632
- - C:\Windows\SysWOW64\ekbeahut.exe
    ùù¿çç¤
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Indicator Removal

T1070

Clear Persistence

T1070.009

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

C:\Windows\SysWOW64\ekbeahut.exe

Filesize
67KB

MD5
03597db200d5c9dce67da7e02e2a4ade

SHA1
6aef6da057cf5e17f7900f32106cf4ec0023f58c

SHA256
83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942

SHA512
f21305a160018b408e44ceb9e122d638b219a830dc23f07cf46afcc1d4d055fe18de85af85ff8b7661332e7965852f645e7daf18a95b2c83a0178d55abb42dc3

Download Submit
C:\Windows\SysWOW64\ilgoapoon-afid.exe

Filesize
69KB

MD5
57d0b587a9d57a6ffbabfbaef87c9e8d

SHA1
90f06037917db8ec799636fa20549e76a302db81

SHA256
b57dc4522658f2cfcc8da7ccec8873c1b479a39e6a6268021b41afcf89e6f7c5

SHA512
39e58ae34a9cab7ad9439abaa9bc6efb03593f1a11ebdccf3b3e7bf35344d431871b83c47a310fe9b4f15314293805c8200786fe66e0b9928222b08d1d72b821

Download Submit
C:\Windows\SysWOW64\oulkoonup-ihid.exe

Filesize
70KB

MD5
fc574f977986551afcd79e5a57b830e7

SHA1
672b01fd3fccaaedf7d2f606e36f38218283877c

SHA256
0f0ca2f853c7c29ab6482c9d7fea20c2b1570e5ae068937dbdd9f6af8e61d9aa

SHA512
1fcaec75934ab3ce0c97d82314dba969f202c695cd3bf9cb845a1b9d1f4ce145fbe729b70eadb5000b75f98357510155735f39505862dab85c7e0e934f3a3b85

Download Submit
C:\Windows\SysWOW64\vxipuk.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
memory/3632-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4180-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4816-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download