c551f0b139c150ef656fabba41822dcad3e9f694a4e6308be4f29096683c6925

Analysis

max time kernel
137s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-05-2024 03:43

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General

Target

5e4dc195deceacd3626bed07bd4dd840_NEAS.exe
Size

71KB
MD5

5e4dc195deceacd3626bed07bd4dd840
SHA1

2c71a74cf2e2a453f71314a68fbebab7e1d5991e
SHA256

c551f0b139c150ef656fabba41822dcad3e9f694a4e6308be4f29096683c6925
SHA512

6473fcb22f72ec06910d95fcc46877e54d28e012d97ed9592e37a605b08126155bbcda3dadbd999e4ff7cc45c364837564bfe2ef0422310bc5d86defe2bf56be
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slC8:Olg35GTslA5t3/w8d8

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"	ounxanum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ounxanum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ounxanum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	ounxanum.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\{4F41494C-5643-4e59-4F41-494C56434e59}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	ounxanum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}\IsInstalled = "1"	ounxanum.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}\StubPath = "C:\\Windows\\system32\\aglooxeh.exe"	ounxanum.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}	ounxanum.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	ounxanum.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\udpofeah.exe"	ounxanum.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	ounxanum.exe

Executes dropped EXE 2 IoCs

pid	Process
640	ounxanum.exe
3108	ounxanum.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"	ounxanum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ounxanum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ounxanum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ounxanum.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}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	ounxanum.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\onboohet.dll"	ounxanum.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	ounxanum.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	ounxanum.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	ounxanum.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ounxanum.exe	5e4dc195deceacd3626bed07bd4dd840_NEAS.exe
File created	C:\Windows\SysWOW64\aglooxeh.exe	ounxanum.exe
File created	C:\Windows\SysWOW64\ounxanum.exe	5e4dc195deceacd3626bed07bd4dd840_NEAS.exe
File opened for modification	C:\Windows\SysWOW64\udpofeah.exe	ounxanum.exe
File created	C:\Windows\SysWOW64\udpofeah.exe	ounxanum.exe
File opened for modification	C:\Windows\SysWOW64\aglooxeh.exe	ounxanum.exe
File opened for modification	C:\Windows\SysWOW64\onboohet.dll	ounxanum.exe
File created	C:\Windows\SysWOW64\onboohet.dll	ounxanum.exe
File opened for modification	C:\Windows\SysWOW64\ounxanum.exe	ounxanum.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
3108	ounxanum.exe
3108	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe
640	ounxanum.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1800	5e4dc195deceacd3626bed07bd4dd840_NEAS.exe
Token: SeDebugPrivilege	640	ounxanum.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 640	1800	5e4dc195deceacd3626bed07bd4dd840_NEAS.exe	90
PID 1800 wrote to memory of 640	1800	5e4dc195deceacd3626bed07bd4dd840_NEAS.exe	90
PID 1800 wrote to memory of 640	1800	5e4dc195deceacd3626bed07bd4dd840_NEAS.exe	90
PID 640 wrote to memory of 3108	640	ounxanum.exe	91
PID 640 wrote to memory of 3108	640	ounxanum.exe	91
PID 640 wrote to memory of 3108	640	ounxanum.exe	91
PID 640 wrote to memory of 628	640	ounxanum.exe	5
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56
PID 640 wrote to memory of 3240	640	ounxanum.exe	56

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:628

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3240
- C:\Users\Admin\AppData\Local\Temp\5e4dc195deceacd3626bed07bd4dd840_NEAS.exe
  "C:\Users\Admin\AppData\Local\Temp\5e4dc195deceacd3626bed07bd4dd840_NEAS.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1800
- - C:\Windows\SysWOW64\ounxanum.exe
    "C:\Windows\system32\ounxanum.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:640
  - - C:\Windows\SysWOW64\ounxanum.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:3108

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4112 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:3836

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\aglooxeh.exe

Filesize
73KB

MD5
eb6bf8efd494803e61ab4dbf99c8ce8c

SHA1
4fc10aa52e378457a217913a16c45feafdec75aa

SHA256
05566ebecb3523f7668abab5aeda4f681729ec10d965a82d371bdeca4dd0dd44

SHA512
18a3db5892c39f37b47a7a51a32129b759baad8b18b0e8b86b737c9175293d5da869e3cb372ec10e760320d1f62c2199b455916cab1227f46dbc76585abe9ef0

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

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

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

Filesize
71KB

MD5
5e4dc195deceacd3626bed07bd4dd840

SHA1
2c71a74cf2e2a453f71314a68fbebab7e1d5991e

SHA256
c551f0b139c150ef656fabba41822dcad3e9f694a4e6308be4f29096683c6925

SHA512
6473fcb22f72ec06910d95fcc46877e54d28e012d97ed9592e37a605b08126155bbcda3dadbd999e4ff7cc45c364837564bfe2ef0422310bc5d86defe2bf56be

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

Filesize
74KB

MD5
d42b1160f0a9f4a482226947525c2eaa

SHA1
ffe31f41c1a6fda3eeb62ea3af41ce5b3723bdcf

SHA256
5ce2d577698b250e1fd77edede07c3b7cc7e5c3b6dbb8a0089180d84b32bece6

SHA512
e5b74459a5bae842cfa7ea81c1abb381e8f6792aec3739dc6375edac5b69f2a2baaf01bc79a381095a0d0d185d5c4514e9156e77cb0a0e22de871c3d643ecc11

Download Submit
memory/640-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1800-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3108-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download