06452043bea5c42b5ccf6975bb1a552b96229984418148dcf1e1b9e95845246f

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/05/2024, 13:29

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General

Target

c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe
Size

68KB
MD5

c4c97d7b5ca039b3bd9a76b6ce6afc30
SHA1

768bd0a16a1bbac1b555a33851df87da622f06d2
SHA256

06452043bea5c42b5ccf6975bb1a552b96229984418148dcf1e1b9e95845246f
SHA512

d051f8e5084f92b2c9b3c97e3b3426dce30d6b4aa413181403fdb7361de7f7043aee8858e1622e1d1fa3f468f49049adedc0e653ac697ebedb393fbee42ed5e0
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8hJ:Olg35GTslA5t3/w8hJ

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"	umsepuh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	umsepuh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	umsepuh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	umsepuh.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\{51475451-5a54-5245-5147-54515A545245}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	umsepuh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\IsInstalled = "1"	umsepuh.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}\StubPath = "C:\\Windows\\system32\\ounleaxar-ohex.exe"	umsepuh.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51475451-5a54-5245-5147-54515A545245}	umsepuh.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	umsepuh.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	umsepuh.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ubpihin.exe"	umsepuh.exe

Executes dropped EXE 2 IoCs

pid	Process
2848	umsepuh.exe
2580	umsepuh.exe

Loads dropped DLL 3 IoCs

pid	Process
2304	c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe
2304	c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe
2848	umsepuh.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"	umsepuh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	umsepuh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	umsepuh.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	umsepuh.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}	umsepuh.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	umsepuh.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	umsepuh.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\epkurov-aced.dll"	umsepuh.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	umsepuh.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\umsepuh.exe	c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe
File created	C:\Windows\SysWOW64\ubpihin.exe	umsepuh.exe
File opened for modification	C:\Windows\SysWOW64\ounleaxar-ohex.exe	umsepuh.exe
File created	C:\Windows\SysWOW64\ounleaxar-ohex.exe	umsepuh.exe
File opened for modification	C:\Windows\SysWOW64\umsepuh.exe	c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe
File opened for modification	C:\Windows\SysWOW64\ubpihin.exe	umsepuh.exe
File opened for modification	C:\Windows\SysWOW64\epkurov-aced.dll	umsepuh.exe
File created	C:\Windows\SysWOW64\epkurov-aced.dll	umsepuh.exe
File opened for modification	C:\Windows\SysWOW64\umsepuh.exe	umsepuh.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2580	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe
2848	umsepuh.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2304	c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe
Token: SeDebugPrivilege	2848	umsepuh.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2848	2304	c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe	28
PID 2304 wrote to memory of 2848	2304	c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe	28
PID 2304 wrote to memory of 2848	2304	c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe	28
PID 2304 wrote to memory of 2848	2304	c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe	28
PID 2848 wrote to memory of 432	2848	umsepuh.exe	5
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 2580	2848	umsepuh.exe	29
PID 2848 wrote to memory of 2580	2848	umsepuh.exe	29
PID 2848 wrote to memory of 2580	2848	umsepuh.exe	29
PID 2848 wrote to memory of 2580	2848	umsepuh.exe	29
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21
PID 2848 wrote to memory of 1256	2848	umsepuh.exe	21

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1256
- C:\Users\Admin\AppData\Local\Temp\c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe
  "C:\Users\Admin\AppData\Local\Temp\c4c97d7b5ca039b3bd9a76b6ce6afc30_NEIKI.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2304
- - C:\Windows\SysWOW64\umsepuh.exe
    "C:\Windows\system32\umsepuh.exe"
    3⤵
    - Windows security bypass
    - Modifies Installed Components in the registry
    - Sets file execution options in registry
    - Executes dropped EXE
    - Loads dropped DLL
    - Windows security modification
    - Modifies WinLogon
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2848
  - - C:\Windows\SysWOW64\umsepuh.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2580

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\epkurov-aced.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\ounleaxar-ohex.exe

Filesize
71KB

MD5
ed0b717c92c55e7d7cd5a08a832976b0

SHA1
4b58191ef405899a2cc73fa4a9aabd904f1768cc

SHA256
fabdeb7388da076624bd809659a0e6c59a184753618787a49bfe9cfc0f204a19

SHA512
ce351f0e89a6741cb6eec73b578151e309d0f90ae82a7908865a8fb75e099230c79c79142f4d67463fb76180baa7145152dde83ed1178fe972f123b98e498b41

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

Filesize
72KB

MD5
9db01cc06e991e0a3f4982ea6c35987e

SHA1
4d9c767e9fa3925e482cbad2ff6f16c13599414d

SHA256
c68e7eb14584be0ed10b3d2965ede2b5c2cc27cd599fd9f456667a1f8cd5842a

SHA512
9cde80cfbdd534b5f5d15a10badd9a8c9223ae4e6660ad28e41a465e5141d771d85f99905d99c8a941964da97a5b87a984bff8ef3a97cf8b7ffc0a6b05624642

Download Submit
\Windows\SysWOW64\umsepuh.exe

Filesize
68KB

MD5
c4c97d7b5ca039b3bd9a76b6ce6afc30

SHA1
768bd0a16a1bbac1b555a33851df87da622f06d2

SHA256
06452043bea5c42b5ccf6975bb1a552b96229984418148dcf1e1b9e95845246f

SHA512
d051f8e5084f92b2c9b3c97e3b3426dce30d6b4aa413181403fdb7361de7f7043aee8858e1622e1d1fa3f468f49049adedc0e653ac697ebedb393fbee42ed5e0

Download Submit
memory/2304-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2580-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2848-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download