32b9e02eaa6c2e3456e8d1553a883448ed95fd658435cd218c9183342c37a9bf

Analysis

max time kernel
149s
max time network
126s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
08-05-2024 13:21

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General

Target

c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe
Size

70KB
MD5

c0e880ed6a7a0c1c7732b43ce41c7990
SHA1

b90d69cdc6df9532c7e58d86e1689a9ddca211b4
SHA256

32b9e02eaa6c2e3456e8d1553a883448ed95fd658435cd218c9183342c37a9bf
SHA512

cf9e873baaa5813952bd0b85be9684b579e01d8c44916efa4910d7d8426ea464b3b3996f09650f3eada2dbbd2b2459eb3c3461115b2decd17e1d85de402c1f15
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8i:Olg35GTslA5t3/w8i

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\AntiVirusOverride = "25600"	isreteat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	isreteat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	isreteat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	isreteat.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4748505A-5247-4643-4748-505A52474643}	isreteat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4748505A-5247-4643-4748-505A52474643}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	isreteat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4748505A-5247-4643-4748-505A52474643}\IsInstalled = "1"	isreteat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4748505A-5247-4643-4748-505A52474643}\StubPath = "C:\\Windows\\system32\\epxexit-acex.exe"	isreteat.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\Debugger = "C:\\Windows\\system32\\ifkufoar.exe"	isreteat.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	isreteat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	isreteat.exe

Executes dropped EXE 2 IoCs

pid	Process
3032	isreteat.exe
3052	isreteat.exe

Loads dropped DLL 3 IoCs

pid	Process
2240	c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe
2240	c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe
3032	isreteat.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\FirewallDisableNotify = "25600"	isreteat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	isreteat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	isreteat.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	isreteat.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}	isreteat.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	isreteat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	isreteat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\olfoatof-oubix.dll"	isreteat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	isreteat.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\isreteat.exe	c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe
File opened for modification	C:\Windows\SysWOW64\ifkufoar.exe	isreteat.exe
File opened for modification	C:\Windows\SysWOW64\olfoatof-oubix.dll	isreteat.exe
File created	C:\Windows\SysWOW64\olfoatof-oubix.dll	isreteat.exe
File opened for modification	C:\Windows\SysWOW64\isreteat.exe	isreteat.exe
File opened for modification	C:\Windows\SysWOW64\isreteat.exe	c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe
File created	C:\Windows\SysWOW64\ifkufoar.exe	isreteat.exe
File opened for modification	C:\Windows\SysWOW64\epxexit-acex.exe	isreteat.exe
File created	C:\Windows\SysWOW64\epxexit-acex.exe	isreteat.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3052	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe
3032	isreteat.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe
Token: SeDebugPrivilege	3032	isreteat.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 3032	2240	c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe	28
PID 2240 wrote to memory of 3032	2240	c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe	28
PID 2240 wrote to memory of 3032	2240	c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe	28
PID 2240 wrote to memory of 3032	2240	c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe	28
PID 3032 wrote to memory of 436	3032	isreteat.exe	5
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 3052	3032	isreteat.exe	29
PID 3032 wrote to memory of 3052	3032	isreteat.exe	29
PID 3032 wrote to memory of 3052	3032	isreteat.exe	29
PID 3032 wrote to memory of 3052	3032	isreteat.exe	29
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21
PID 3032 wrote to memory of 1248	3032	isreteat.exe	21

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:436

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1248
- C:\Users\Admin\AppData\Local\Temp\c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe
  "C:\Users\Admin\AppData\Local\Temp\c0e880ed6a7a0c1c7732b43ce41c7990_NEIKI.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\isreteat.exe
    "C:\Windows\system32\isreteat.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:3032
  - - C:\Windows\SysWOW64\isreteat.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:3052

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\epxexit-acex.exe

Filesize
72KB

MD5
62a823cd2cc1b014cffcba52c7803800

SHA1
fc17dd44f780313c7f9f30060f6274df860ff818

SHA256
03abea5e5867be2875000a203c9b1698c2598c725d4563008925e1fa2c33fbe5

SHA512
3a4adb899888f2cb0df1b5977819be7a5f76168ba1b72c327f73a5a03b965db504dd6cd75180aff3a8f8d3b82a9fdf3a6b5bc43b0618417b842d2d09828c8021

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

Filesize
73KB

MD5
065c0b552ef7831fd8c8a283dff27004

SHA1
c417910788ec51b216bda803cffa1b4d73007be9

SHA256
97f6473844b881898b32eb900547096f39dc0f37c8275d00e4b359d8b0b8f016

SHA512
f384d7d1d00b7d82d4510444ecd4eab042ee750f6eace54a65f6c13a4fa9838418cede4efd870a5344c1cc1917043119eab3e5e08747909a8c645e4354d5a0b4

Download Submit
C:\Windows\SysWOW64\olfoatof-oubix.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
\Windows\SysWOW64\isreteat.exe

Filesize
70KB

MD5
c0e880ed6a7a0c1c7732b43ce41c7990

SHA1
b90d69cdc6df9532c7e58d86e1689a9ddca211b4

SHA256
32b9e02eaa6c2e3456e8d1553a883448ed95fd658435cd218c9183342c37a9bf

SHA512
cf9e873baaa5813952bd0b85be9684b579e01d8c44916efa4910d7d8426ea464b3b3996f09650f3eada2dbbd2b2459eb3c3461115b2decd17e1d85de402c1f15

Download Submit
memory/2240-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3032-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3052-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download