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Analysis
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max time kernel
149s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07/05/2024, 00:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4041cdabb4bc763485c902c30636f690_NEAS.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
4041cdabb4bc763485c902c30636f690_NEAS.exe
Resource
win10v2004-20240419-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
4041cdabb4bc763485c902c30636f690_NEAS.exe
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Size
70KB
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MD5
4041cdabb4bc763485c902c30636f690
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SHA1
e42b97a4eb737b3c1ca575605a2c85002962680f
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SHA256
56240bd530a2aa41e8933fb27f4f262efc27afd3bd3a11e2c777a0897e6d2340
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SHA512
0dd743568cf6d372c4369a5a0e69c47f53e714ffa587a27f9ccc97e8b34e0147ec2eb71799a7b3f53e08a79f9d847c03df17397d30fb11734172469c9d155f6d
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8sla:Olg35GTslA5t3/w8P
Score
10/10
Malware Config
Signatures
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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 Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{50594457-4747-5545-5059-445747475545}\IsInstalled = "1" oldahoag.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{50594457-4747-5545-5059-445747475545}\StubPath = "C:\\Windows\\system32\\addoodat-ucum.exe" oldahoag.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{50594457-4747-5545-5059-445747475545} oldahoag.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{50594457-4747-5545-5059-445747475545}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" oldahoag.exe -
Sets file execution options in registry 2 TTPs 3 IoCs
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 848 oldahoag.exe 2208 oldahoag.exe -
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
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" oldahoag.exe 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 -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\oldahoag.exe 4041cdabb4bc763485c902c30636f690_NEAS.exe File created C:\Windows\SysWOW64\addoodat-ucum.exe oldahoag.exe File opened for modification C:\Windows\SysWOW64\eacfuxon.dll oldahoag.exe File created C:\Windows\SysWOW64\eacfuxon.dll oldahoag.exe File opened for modification C:\Windows\SysWOW64\oldahoag.exe oldahoag.exe File opened for modification C:\Windows\SysWOW64\oldahoag.exe 4041cdabb4bc763485c902c30636f690_NEAS.exe File opened for modification C:\Windows\SysWOW64\uvhifar.exe oldahoag.exe File created C:\Windows\SysWOW64\uvhifar.exe oldahoag.exe File opened for modification C:\Windows\SysWOW64\addoodat-ucum.exe oldahoag.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 2208 oldahoag.exe 2208 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe 848 oldahoag.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4712 4041cdabb4bc763485c902c30636f690_NEAS.exe Token: SeDebugPrivilege 848 oldahoag.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4712 wrote to memory of 848 4712 4041cdabb4bc763485c902c30636f690_NEAS.exe 84 PID 4712 wrote to memory of 848 4712 4041cdabb4bc763485c902c30636f690_NEAS.exe 84 PID 4712 wrote to memory of 848 4712 4041cdabb4bc763485c902c30636f690_NEAS.exe 84 PID 848 wrote to memory of 608 848 oldahoag.exe 5 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 2208 848 oldahoag.exe 85 PID 848 wrote to memory of 2208 848 oldahoag.exe 85 PID 848 wrote to memory of 2208 848 oldahoag.exe 85 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56 PID 848 wrote to memory of 3468 848 oldahoag.exe 56
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:608
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3468
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C:\Users\Admin\AppData\Local\Temp\4041cdabb4bc763485c902c30636f690_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\4041cdabb4bc763485c902c30636f690_NEAS.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4712 -
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
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Windows\SysWOW64\oldahoag.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2208
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
72KB
MD533f80da8e23f74cc759457a4f1395aa8
SHA1165786d60f0753d5a8b0a7adfc6639108ce5f175
SHA2565a93698ddbd841a7633ea1bc88d36801551274417a872a951a8929d5c0c61066
SHA51284b73c9aef4528a45897a5af9dcf4fc1063ed43f3f21f8b1de02c8e1d6d28f57145f2648c6ed836f6f09a263ecedd72e1dc47b81a3b5880551fd4c22d5651667
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
70KB
MD54041cdabb4bc763485c902c30636f690
SHA1e42b97a4eb737b3c1ca575605a2c85002962680f
SHA25656240bd530a2aa41e8933fb27f4f262efc27afd3bd3a11e2c777a0897e6d2340
SHA5120dd743568cf6d372c4369a5a0e69c47f53e714ffa587a27f9ccc97e8b34e0147ec2eb71799a7b3f53e08a79f9d847c03df17397d30fb11734172469c9d155f6d
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Filesize
73KB
MD5b2eac56b1760cb483fde09d77a043250
SHA19b3183d0c8b4bdc22b09ac05a93c3d12442fb37f
SHA2567cb6bda49233ee5d58b16ef43a5debb60e66e11411ea886f7726e54216d98cba
SHA51249c885dd4a0be08fcdac5fbb6277790d43b79463fb4e1e3a2d57e76b647e7725666d76b5aea470d46ff5ae947d58ec2e4f8a258a46d323d761c8e75ad91ec4d5