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Analysis
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max time kernel
135s -
max time network
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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
Static task
static1
Behavioral task
behavioral1
Sample
4041cdabb4bc763485c902c30636f690_NEAS.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4041cdabb4bc763485c902c30636f690_NEAS.exe
Resource
win10v2004-20240419-en
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
Malware Config
Signatures
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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
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
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 -
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 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
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:436
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1200
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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--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2140
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
72KB
MD55df9b998885050e5b2f491f706527a57
SHA1c8327029a3f33b977c4faceafb5d169164c8d4c4
SHA256a90f2d643281405c76163e60688ed21173a8ac4244ccf3de0255614b2953f397
SHA51207ef8b136b2b0a60a7dd0b6467ff0c729c53c3de93700734ff72ff4f14b05008b63acf103b9cda0996caeecbfd148525098ff7d7c3f14e172f127b0248844f62
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
73KB
MD5819fc629a2291d9e1d8acbf55ee546b6
SHA1ed9b6056c968c17d71df1e10f95ded736d757a0a
SHA256339a82d80d16d3e274498aabd07838720afe783b6000ad23629352e25db57422
SHA5126583c76ab4334e27d65ec19f43d3fe095f24fa91e779354d9b562f7e2072151b883fea493b9796018d9c58610202f01c43ea59c5d163412905ac70bd3df75e20
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Filesize
70KB
MD54041cdabb4bc763485c902c30636f690
SHA1e42b97a4eb737b3c1ca575605a2c85002962680f
SHA25656240bd530a2aa41e8933fb27f4f262efc27afd3bd3a11e2c777a0897e6d2340
SHA5120dd743568cf6d372c4369a5a0e69c47f53e714ffa587a27f9ccc97e8b34e0147ec2eb71799a7b3f53e08a79f9d847c03df17397d30fb11734172469c9d155f6d