c7e5a108dab37b7e6f8533bbe70d89f3555e22ef2a8a8bb0069e2a60618aa504

Analysis

max time kernel
149s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 16:22

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General

Target

45abc6cb995f2fa1a1299be0eedaad18_NEAS.exe
Size

70KB
MD5

45abc6cb995f2fa1a1299be0eedaad18
SHA1

452bb5d25a068cc5e7e742fcc9d59575c2260e25
SHA256

c7e5a108dab37b7e6f8533bbe70d89f3555e22ef2a8a8bb0069e2a60618aa504
SHA512

b440be0b999b99051ebc2173eab8fddde4dbaa420955fbcedea73c51f8ab02032d6bd3371b43f644548d898ef9a03c8f98024da052a1f6f28bc26fb497385590
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8DTb:Olg35GTslA5t3/w8nb

Score

10^/10

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

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52494A54-4f4f-5658-5249-4A544F4F5658}\StubPath = "C:\\Windows\\system32\\eatrudeas.exe"	ocdaxud.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52494A54-4f4f-5658-5249-4A544F4F5658}	ocdaxud.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52494A54-4f4f-5658-5249-4A544F4F5658}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	ocdaxud.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{52494A54-4f4f-5658-5249-4A544F4F5658}\IsInstalled = "1"	ocdaxud.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

Executes dropped EXE 2 IoCs

pid	Process
2920	ocdaxud.exe
404	ocdaxud.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"	ocdaxud.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ocdaxud.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ocdaxud.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ocdaxud.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

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

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\oumseacoam-ouxid.dll	ocdaxud.exe
File created	C:\Windows\SysWOW64\oumseacoam-ouxid.dll	ocdaxud.exe
File opened for modification	C:\Windows\SysWOW64\ocdaxud.exe	ocdaxud.exe
File opened for modification	C:\Windows\SysWOW64\ocdaxud.exe	45abc6cb995f2fa1a1299be0eedaad18_NEAS.exe
File opened for modification	C:\Windows\SysWOW64\eatrudeas.exe	ocdaxud.exe
File created	C:\Windows\SysWOW64\eatrudeas.exe	ocdaxud.exe
File created	C:\Windows\SysWOW64\ocdaxud.exe	45abc6cb995f2fa1a1299be0eedaad18_NEAS.exe
File opened for modification	C:\Windows\SysWOW64\ealhoamix.exe	ocdaxud.exe
File created	C:\Windows\SysWOW64\ealhoamix.exe	ocdaxud.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
404	ocdaxud.exe
404	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe
2920	ocdaxud.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1484	45abc6cb995f2fa1a1299be0eedaad18_NEAS.exe
Token: SeDebugPrivilege	2920	ocdaxud.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 2920	1484	45abc6cb995f2fa1a1299be0eedaad18_NEAS.exe	79
PID 1484 wrote to memory of 2920	1484	45abc6cb995f2fa1a1299be0eedaad18_NEAS.exe	79
PID 1484 wrote to memory of 2920	1484	45abc6cb995f2fa1a1299be0eedaad18_NEAS.exe	79
PID 2920 wrote to memory of 612	2920	ocdaxud.exe	5
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 404	2920	ocdaxud.exe	80
PID 2920 wrote to memory of 404	2920	ocdaxud.exe	80
PID 2920 wrote to memory of 404	2920	ocdaxud.exe	80
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55
PID 2920 wrote to memory of 3340	2920	ocdaxud.exe	55

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3340
- C:\Users\Admin\AppData\Local\Temp\45abc6cb995f2fa1a1299be0eedaad18_NEAS.exe
  "C:\Users\Admin\AppData\Local\Temp\45abc6cb995f2fa1a1299be0eedaad18_NEAS.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1484
- - C:\Windows\SysWOW64\ocdaxud.exe
    "C:\Windows\system32\ocdaxud.exe"
    3⤵
    - Windows security bypass
    - Modifies Installed Components in the registry
    - Sets file execution options in registry
    - Executes dropped EXE
    - Windows security modification
    - Modifies WinLogon
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2920
  - - C:\Windows\SysWOW64\ocdaxud.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:404

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

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\ealhoamix.exe

Filesize
73KB

MD5
9f1ab4794dae17a43aba0e83eec66750

SHA1
7a36d9b92aa4de31a3879c204a1ce458c7e9fba4

SHA256
46297cb8768bdb3b4075fe7474fc053cf497ed14632283ef68095a2bfb07c683

SHA512
941c004fa60ee86950db8c7ed4fcc35bacf8b5239a6b3314f101b1a23a590783dfe8090b311900c686377018ebd19c9176471de33792111c29c8c542da33492f

Download Submit
C:\Windows\SysWOW64\eatrudeas.exe

Filesize
72KB

MD5
69670496c730faec5889c3647d5bf0dd

SHA1
4969e66186946d61a249a57bdacbb05de57f97be

SHA256
a063a50c9c49d1269c4a70b2b0afcca7cc02b16d95a3b8e6088c40b91641a359

SHA512
52850becc0b4f2004c3b5c762d0c4ce89873d375c4ae677e3597074b2a2042571c28502d94301718680a45f7faee662ddfdb7bdf6f9d0804865ce2c8b150d8f8

Download Submit
C:\Windows\SysWOW64\ocdaxud.exe

Filesize
70KB

MD5
45abc6cb995f2fa1a1299be0eedaad18

SHA1
452bb5d25a068cc5e7e742fcc9d59575c2260e25

SHA256
c7e5a108dab37b7e6f8533bbe70d89f3555e22ef2a8a8bb0069e2a60618aa504

SHA512
b440be0b999b99051ebc2173eab8fddde4dbaa420955fbcedea73c51f8ab02032d6bd3371b43f644548d898ef9a03c8f98024da052a1f6f28bc26fb497385590

Download Submit
C:\Windows\SysWOW64\oumseacoam-ouxid.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
memory/404-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1484-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2920-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download