83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/09/2024, 23:29

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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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{574F554F-5356-5244-574F-554F53565244}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	ekbeahut.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{574F554F-5356-5244-574F-554F53565244}\IsInstalled = "1"	ekbeahut.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{574F554F-5356-5244-574F-554F53565244}\StubPath = "C:\\Windows\\system32\\ilgoapoon-afid.exe"	ekbeahut.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{574F554F-5356-5244-574F-554F53565244}	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
2724	ekbeahut.exe
2904	ekbeahut.exe

Loads dropped DLL 3 IoCs

pid	Process
2808	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe
2808	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe
2724	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\vxipuk.dll	ekbeahut.exe
File opened for modification	C:\Windows\SysWOW64\ekbeahut.exe	ekbeahut.exe
File created	C:\Windows\SysWOW64\ekbeahut.exe	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe
File created	C:\Windows\SysWOW64\oulkoonup-ihid.exe	ekbeahut.exe
File created	C:\Windows\SysWOW64\ilgoapoon-afid.exe	ekbeahut.exe
File created	C:\Windows\SysWOW64\vxipuk.dll	ekbeahut.exe
File opened for modification	C:\Windows\SysWOW64\ekbeahut.exe	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe
File opened for modification	C:\Windows\SysWOW64\oulkoonup-ihid.exe	ekbeahut.exe
File opened for modification	C:\Windows\SysWOW64\ilgoapoon-afid.exe	ekbeahut.exe

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	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ekbeahut.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2904	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe
2724	ekbeahut.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe
Token: SeDebugPrivilege	2724	ekbeahut.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2724	2808	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe	30
PID 2808 wrote to memory of 2724	2808	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe	30
PID 2808 wrote to memory of 2724	2808	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe	30
PID 2808 wrote to memory of 2724	2808	83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe	30
PID 2724 wrote to memory of 2904	2724	ekbeahut.exe	31
PID 2724 wrote to memory of 2904	2724	ekbeahut.exe	31
PID 2724 wrote to memory of 2904	2724	ekbeahut.exe	31
PID 2724 wrote to memory of 2904	2724	ekbeahut.exe	31

C:\Users\Admin\AppData\Local\Temp\83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe
"C:\Users\Admin\AppData\Local\Temp\83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2808
- 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
  - Loads dropped DLL
  - 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:2724
- - C:\Windows\SysWOW64\ekbeahut.exe
    ùù¿çç¤
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:2904

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

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Downloads

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

Filesize
69KB

MD5
ff68e8007cc40d3595aec3d072a4d7b9

SHA1
2bc1bbe63feee7d76c297ade2df8ebd9c687e026

SHA256
58501ed3efafbc599ae6c06b7222f7f476bcb5c4fbfd36979de96c4ac015793c

SHA512
b3b55cfd554e241613c7b9429dfb7255ee38c9b7a9ba61fee6c66798c352fa90e40d4b6c8cc47605268d5c412425f128c151ceeb99258d6c7bc332d4c1386c39

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

Filesize
70KB

MD5
b24b35a83a5484b486abfdbcf9b2e15d

SHA1
41c80e668b412517ff85650a4cae00eca3befd91

SHA256
dbcbc3a12c915df944ff795a8a0cdbe4c327596f8657d124dcf3798973a69670

SHA512
2daceaa9cc6edbc7b6409ec8d34634df298d555136b5f83f4a0308a7653734951192bd9d76c33dcf7b98e65a0c4155790f6eb89deb5eac3bb2f717ca28a00d74

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

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
\Windows\SysWOW64\ekbeahut.exe

Filesize
67KB

MD5
03597db200d5c9dce67da7e02e2a4ade

SHA1
6aef6da057cf5e17f7900f32106cf4ec0023f58c

SHA256
83e0de8e9ffc573ee2045268d81f33c085dbe9804ef273611ad5216c14136942

SHA512
f21305a160018b408e44ceb9e122d638b219a830dc23f07cf46afcc1d4d055fe18de85af85ff8b7661332e7965852f645e7daf18a95b2c83a0178d55abb42dc3

Download Submit
memory/2724-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2808-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2904-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download