56240bd530a2aa41e8933fb27f4f262efc27afd3bd3a11e2c777a0897e6d2340

Analysis

max time kernel
135s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 00:53

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General

Target

4041cdabb4bc763485c902c30636f690_NEAS.exe
Size

70KB
MD5

4041cdabb4bc763485c902c30636f690
SHA1

e42b97a4eb737b3c1ca575605a2c85002962680f
SHA256

56240bd530a2aa41e8933fb27f4f262efc27afd3bd3a11e2c777a0897e6d2340
SHA512

0dd743568cf6d372c4369a5a0e69c47f53e714ffa587a27f9ccc97e8b34e0147ec2eb71799a7b3f53e08a79f9d847c03df17397d30fb11734172469c9d155f6d
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8sla:Olg35GTslA5t3/w8P

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\UpdatesDisableNotify = "25600"	oldahoag.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	oldahoag.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	oldahoag.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	oldahoag.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\{495A4B43-4b4f-5450-495A-4B434B4F5450}	oldahoag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	oldahoag.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\IsInstalled = "1"	oldahoag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\StubPath = "C:\\Windows\\system32\\addoodat-ucum.exe"	oldahoag.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	oldahoag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	oldahoag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\uvhifar.exe"	oldahoag.exe

Executes dropped EXE 2 IoCs

pid	Process
2016	oldahoag.exe
2140	oldahoag.exe

Loads dropped DLL 3 IoCs

pid	Process
2220	4041cdabb4bc763485c902c30636f690_NEAS.exe
2220	4041cdabb4bc763485c902c30636f690_NEAS.exe
2016	oldahoag.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"	oldahoag.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	oldahoag.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	oldahoag.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	oldahoag.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}	oldahoag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	oldahoag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	oldahoag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\eacfuxon.dll"	oldahoag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	oldahoag.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\eacfuxon.dll	oldahoag.exe
File opened for modification	C:\Windows\SysWOW64\oldahoag.exe	oldahoag.exe
File created	C:\Windows\SysWOW64\uvhifar.exe	oldahoag.exe
File opened for modification	C:\Windows\SysWOW64\addoodat-ucum.exe	oldahoag.exe
File created	C:\Windows\SysWOW64\addoodat-ucum.exe	oldahoag.exe
File opened for modification	C:\Windows\SysWOW64\eacfuxon.dll	oldahoag.exe
File opened for modification	C:\Windows\SysWOW64\oldahoag.exe	4041cdabb4bc763485c902c30636f690_NEAS.exe
File created	C:\Windows\SysWOW64\oldahoag.exe	4041cdabb4bc763485c902c30636f690_NEAS.exe
File opened for modification	C:\Windows\SysWOW64\uvhifar.exe	oldahoag.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2140	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe
2016	oldahoag.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	4041cdabb4bc763485c902c30636f690_NEAS.exe
Token: SeDebugPrivilege	2016	oldahoag.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2016	2220	4041cdabb4bc763485c902c30636f690_NEAS.exe	28
PID 2220 wrote to memory of 2016	2220	4041cdabb4bc763485c902c30636f690_NEAS.exe	28
PID 2220 wrote to memory of 2016	2220	4041cdabb4bc763485c902c30636f690_NEAS.exe	28
PID 2220 wrote to memory of 2016	2220	4041cdabb4bc763485c902c30636f690_NEAS.exe	28
PID 2016 wrote to memory of 436	2016	oldahoag.exe	5
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 2140	2016	oldahoag.exe	29
PID 2016 wrote to memory of 2140	2016	oldahoag.exe	29
PID 2016 wrote to memory of 2140	2016	oldahoag.exe	29
PID 2016 wrote to memory of 2140	2016	oldahoag.exe	29
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21
PID 2016 wrote to memory of 1200	2016	oldahoag.exe	21

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\4041cdabb4bc763485c902c30636f690_NEAS.exe
  "C:\Users\Admin\AppData\Local\Temp\4041cdabb4bc763485c902c30636f690_NEAS.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2220
- - C:\Windows\SysWOW64\oldahoag.exe
    "C:\Windows\system32\oldahoag.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:2016
  - - C:\Windows\SysWOW64\oldahoag.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2140

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\addoodat-ucum.exe

Filesize
72KB

MD5
5df9b998885050e5b2f491f706527a57

SHA1
c8327029a3f33b977c4faceafb5d169164c8d4c4

SHA256
a90f2d643281405c76163e60688ed21173a8ac4244ccf3de0255614b2953f397

SHA512
07ef8b136b2b0a60a7dd0b6467ff0c729c53c3de93700734ff72ff4f14b05008b63acf103b9cda0996caeecbfd148525098ff7d7c3f14e172f127b0248844f62

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

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

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

Filesize
73KB

MD5
819fc629a2291d9e1d8acbf55ee546b6

SHA1
ed9b6056c968c17d71df1e10f95ded736d757a0a

SHA256
339a82d80d16d3e274498aabd07838720afe783b6000ad23629352e25db57422

SHA512
6583c76ab4334e27d65ec19f43d3fe095f24fa91e779354d9b562f7e2072151b883fea493b9796018d9c58610202f01c43ea59c5d163412905ac70bd3df75e20

Download Submit
\Windows\SysWOW64\oldahoag.exe

Filesize
70KB

MD5
4041cdabb4bc763485c902c30636f690

SHA1
e42b97a4eb737b3c1ca575605a2c85002962680f

SHA256
56240bd530a2aa41e8933fb27f4f262efc27afd3bd3a11e2c777a0897e6d2340

SHA512
0dd743568cf6d372c4369a5a0e69c47f53e714ffa587a27f9ccc97e8b34e0147ec2eb71799a7b3f53e08a79f9d847c03df17397d30fb11734172469c9d155f6d

Download Submit
memory/2016-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2140-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2220-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download