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Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2024, 01:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
e401299998d81e423d5ee13cfeef096375619be8fee45db93b9da392e329df7d.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
e401299998d81e423d5ee13cfeef096375619be8fee45db93b9da392e329df7d.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
e401299998d81e423d5ee13cfeef096375619be8fee45db93b9da392e329df7d.exe
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Size
68KB
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MD5
975294c253bb3e96ac1c24d9e2ab1c18
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SHA1
4b063b1ee304a6289c4c29238d92800c3fdd43fa
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SHA256
e401299998d81e423d5ee13cfeef096375619be8fee45db93b9da392e329df7d
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SHA512
944121457a36247442091c62a67d3c00580caa21966fcfffbdf6ba359b8c1bb2825bb982507b5dbd1c8ba04ab815c6a851d3f29247a05d302cea37656eb1b21a
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8h:Olg35GTslA5t3/w8h
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" ulboocob.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" ulboocob.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" ulboocob.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" ulboocob.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\{554D4C43-5747-534c-554D-4C435747534c} ulboocob.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{554D4C43-5747-534c-554D-4C435747534c}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" ulboocob.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{554D4C43-5747-534c-554D-4C435747534c}\IsInstalled = "1" ulboocob.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{554D4C43-5747-534c-554D-4C435747534c}\StubPath = "C:\\Windows\\system32\\evboxat.exe" ulboocob.exe -
Sets file execution options in registry 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" ulboocob.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ipherup.exe" ulboocob.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe ulboocob.exe -
Executes dropped EXE 2 IoCs
pid Process 1140 ulboocob.exe 556 ulboocob.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" ulboocob.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" ulboocob.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" ulboocob.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" ulboocob.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}\DLLName = "C:\\Windows\\system32\\acxigoos.dll" ulboocob.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" ulboocob.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} ulboocob.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify ulboocob.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" ulboocob.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\evboxat.exe ulboocob.exe File opened for modification C:\Windows\SysWOW64\ulboocob.exe ulboocob.exe File opened for modification C:\Windows\SysWOW64\ulboocob.exe e401299998d81e423d5ee13cfeef096375619be8fee45db93b9da392e329df7d.exe File created C:\Windows\SysWOW64\ulboocob.exe e401299998d81e423d5ee13cfeef096375619be8fee45db93b9da392e329df7d.exe File created C:\Windows\SysWOW64\ipherup.exe ulboocob.exe File created C:\Windows\SysWOW64\acxigoos.dll ulboocob.exe File opened for modification C:\Windows\SysWOW64\ipherup.exe ulboocob.exe File created C:\Windows\SysWOW64\evboxat.exe ulboocob.exe File opened for modification C:\Windows\SysWOW64\acxigoos.dll ulboocob.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 556 ulboocob.exe 556 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe 1140 ulboocob.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2860 e401299998d81e423d5ee13cfeef096375619be8fee45db93b9da392e329df7d.exe Token: SeDebugPrivilege 1140 ulboocob.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2860 wrote to memory of 1140 2860 e401299998d81e423d5ee13cfeef096375619be8fee45db93b9da392e329df7d.exe 88 PID 2860 wrote to memory of 1140 2860 e401299998d81e423d5ee13cfeef096375619be8fee45db93b9da392e329df7d.exe 88 PID 2860 wrote to memory of 1140 2860 e401299998d81e423d5ee13cfeef096375619be8fee45db93b9da392e329df7d.exe 88 PID 1140 wrote to memory of 604 1140 ulboocob.exe 5 PID 1140 wrote to memory of 556 1140 ulboocob.exe 89 PID 1140 wrote to memory of 556 1140 ulboocob.exe 89 PID 1140 wrote to memory of 556 1140 ulboocob.exe 89 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57 PID 1140 wrote to memory of 3352 1140 ulboocob.exe 57
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:604
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3352
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C:\Users\Admin\AppData\Local\Temp\e401299998d81e423d5ee13cfeef096375619be8fee45db93b9da392e329df7d.exe"C:\Users\Admin\AppData\Local\Temp\e401299998d81e423d5ee13cfeef096375619be8fee45db93b9da392e329df7d.exe"2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\ulboocob.exe"C:\Windows\system32\ulboocob.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:1140 -
C:\Windows\SysWOW64\ulboocob.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:556
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
70KB
MD511fa964ef6f72e360ee0a9ce57114c8c
SHA14bb8e51507b0a3bad3158d41f9d1e2770ac207cc
SHA256e12b49fae7d8be1b31d9b04bc23b9bd3e4ff0b4876d51068718036f9b56336bb
SHA512e1e3d33e6e121a065ea83972d212b1afe4820e296e9b59c2519b59a973ef48b4391d837e069848d10f4fde227e88c94646adf821cc8ad3a0add225f2345ac706
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Filesize
71KB
MD54771daea3d47124c862f7a60283f7613
SHA1e662e51c4f0c1ebe64bffd6feb4ceacf0634c6b6
SHA256deb249d3b79e8b346777cc993442d9343255d0197b0c1444c1c208db3862355c
SHA51226b37882e077b925e515e136aeaed0e454f92ca7be09a761622944cf14c5f57724f84d25defef981bf70eabae951b87765042550a54c1e872a4d54f962e67b6e
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Filesize
68KB
MD5975294c253bb3e96ac1c24d9e2ab1c18
SHA14b063b1ee304a6289c4c29238d92800c3fdd43fa
SHA256e401299998d81e423d5ee13cfeef096375619be8fee45db93b9da392e329df7d
SHA512944121457a36247442091c62a67d3c00580caa21966fcfffbdf6ba359b8c1bb2825bb982507b5dbd1c8ba04ab815c6a851d3f29247a05d302cea37656eb1b21a