Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 00:05
Static task
static1
Behavioral task
behavioral1
Sample
5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe
Resource
win10v2004-20240508-en
General
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Target
5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe
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Size
73KB
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MD5
1dbc4b43599d738b319087659829f790
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SHA1
f8e0afdb90d6b1262ecb055ccc58d5bd2cc8094e
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SHA256
5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40
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SHA512
ac54cdc4b2b0e72f3800443484b6e1eb1bcf55a1b5886dd1ee0c8e57f01f4c8fe5cab600c6f6635a0899b9a14fa2850cf1dc652cc21461c061607517e1cf4394
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SSDEEP
1536:x/PEBsa9G2usp5yhscwOxffOwnRN8/UZh+bVwNPjX2geT:Mhp5+nOw/VZ8VIL6T
Malware Config
Signatures
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Processes:
avriref-ceab.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" avriref-ceab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" avriref-ceab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" avriref-ceab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" avriref-ceab.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
Processes:
avriref-ceab.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350} avriref-ceab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" avriref-ceab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350}\IsInstalled = "1" avriref-ceab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{55485251-4b4a-4350-5548-52514B4A4350}\StubPath = "C:\\Windows\\system32\\urputah-doas.exe" avriref-ceab.exe -
Sets file execution options in registry 2 TTPs 3 IoCs
Processes:
avriref-ceab.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe avriref-ceab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" avriref-ceab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\edlokid-eacur.exe" avriref-ceab.exe -
Executes dropped EXE 2 IoCs
Processes:
avriref-ceab.exeavriref-ceab.exepid process 2184 avriref-ceab.exe 2040 avriref-ceab.exe -
Loads dropped DLL 3 IoCs
Processes:
5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exeavriref-ceab.exepid process 2124 5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe 2124 5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe 2184 avriref-ceab.exe -
Processes:
avriref-ceab.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" avriref-ceab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" avriref-ceab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" avriref-ceab.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" avriref-ceab.exe -
Modifies WinLogon 2 TTPs 5 IoCs
Processes:
avriref-ceab.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} avriref-ceab.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify avriref-ceab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" avriref-ceab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\ouxcevaf-ouhor.dll" avriref-ceab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" avriref-ceab.exe -
Drops file in System32 directory 9 IoCs
Processes:
avriref-ceab.exe5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exedescription ioc process File opened for modification C:\Windows\SysWOW64\edlokid-eacur.exe avriref-ceab.exe File opened for modification C:\Windows\SysWOW64\urputah-doas.exe avriref-ceab.exe File opened for modification C:\Windows\SysWOW64\ouxcevaf-ouhor.dll avriref-ceab.exe File created C:\Windows\SysWOW64\ouxcevaf-ouhor.dll avriref-ceab.exe File opened for modification C:\Windows\SysWOW64\avriref-ceab.exe 5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe File created C:\Windows\SysWOW64\avriref-ceab.exe 5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe File created C:\Windows\SysWOW64\edlokid-eacur.exe avriref-ceab.exe File created C:\Windows\SysWOW64\urputah-doas.exe avriref-ceab.exe File opened for modification C:\Windows\SysWOW64\avriref-ceab.exe avriref-ceab.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
avriref-ceab.exeavriref-ceab.exepid process 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2040 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe 2184 avriref-ceab.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
avriref-ceab.exedescription pid process Token: SeDebugPrivilege 2184 avriref-ceab.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exeavriref-ceab.exedescription pid process target process PID 2124 wrote to memory of 2184 2124 5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe avriref-ceab.exe PID 2124 wrote to memory of 2184 2124 5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe avriref-ceab.exe PID 2124 wrote to memory of 2184 2124 5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe avriref-ceab.exe PID 2124 wrote to memory of 2184 2124 5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe avriref-ceab.exe PID 2184 wrote to memory of 424 2184 avriref-ceab.exe winlogon.exe PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 2040 2184 avriref-ceab.exe avriref-ceab.exe PID 2184 wrote to memory of 2040 2184 avriref-ceab.exe avriref-ceab.exe PID 2184 wrote to memory of 2040 2184 avriref-ceab.exe avriref-ceab.exe PID 2184 wrote to memory of 2040 2184 avriref-ceab.exe avriref-ceab.exe PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE PID 2184 wrote to memory of 1196 2184 avriref-ceab.exe Explorer.EXE
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:424
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1196
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C:\Users\Admin\AppData\Local\Temp\5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe"C:\Users\Admin\AppData\Local\Temp\5e6a97adc87c364e27c3c72a80ed47e5d8fcf9605eea88cedf0bbc18f243db40.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Windows\SysWOW64\avriref-ceab.exe"C:\Windows\SysWOW64\avriref-ceab.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:2184 -
C:\Windows\SysWOW64\avriref-ceab.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2040
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD55e12da613dbb7f829c77a7a8bcfb6f06
SHA16e5467c45d4e4003a353d092a5bf0f81d2624dbf
SHA256b4ab815cdbb60fe3463be05df50332683458ed45f3ee6f8c18967372ce771f55
SHA512ea827783ceeb343b7f12ebeab336122bf10096cba580afcb068c7b0cd496622ba81af3d3d5aec72046ff783656aa41cd803fc14489848c5676fbc5b204db5c25
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
73KB
MD5b1d08b5ecbacc4c3b522ffd4fac97739
SHA1cc9cec0d7c3288d586bdf82d7edaf31721078fb3
SHA256e52dae968d5011822032ce2509dc95e7681a24d2c86cfa887d46b9d247d1c4c7
SHA51299ecb4dc20e42719cdd20b9a128ccc93e5f6a82dd4944de564267bf1c9da071eb9704a64ad465f3fc0c4fac23ca7ee00abb6f0eb7b77ee70d4e356fe3e3d801b
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Filesize
71KB
MD519206464a465b208a918fa1fb76e73d0
SHA11fd45af84436f08c2233976998714019966eed81
SHA256085f892d3076ce176bc1f69bf81c21b38e3821a287dfe2805a5c925360ddae1a
SHA512d8e92d5ff63a8f1e0f900c7c568e32006e2ac9c829b1c373dd7b565602fd114a2ac86f4314dc8cb97644b5278ad6ccebffd5e729494e85d9dc8f076274e6f143