850ab8907999eb164044ddf865fdeb33cb83259a12cbf0e4d005944f4e39d043

Analysis

max time kernel
149s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 04:12

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General

Target

850ab8907999eb164044ddf865fdeb33cb83259a12cbf0e4d005944f4e39d043N.exe
Size

69KB
MD5

9afdde19bdb7eeab0d121c2e1ea863d0
SHA1

ce9acc628acd22e462062991238c3ac954d04a7a
SHA256

850ab8907999eb164044ddf865fdeb33cb83259a12cbf0e4d005944f4e39d043
SHA512

689cfa1163c1469f93c4b05f54291a7429941bda287f09af8bf476614c944744e4eb63c045c7b4962f1f7d8c487943b7f1ca2cacc882cfae9c6d811423cfe309
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8FW+:Olg35GTslA5t3/w8z

Score

10^/10

defense_evasion discovery 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\AntiVirusOverride = "25600"	edboatuk-usum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	edboatuk-usum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	edboatuk-usum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	edboatuk-usum.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{53594D52-4b43-4355-5359-4D524B434355}\StubPath = "C:\\Windows\\system32\\uhtuxeg-eadat.exe"	edboatuk-usum.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{53594D52-4b43-4355-5359-4D524B434355}	edboatuk-usum.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{53594D52-4b43-4355-5359-4D524B434355}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	edboatuk-usum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{53594D52-4b43-4355-5359-4D524B434355}\IsInstalled = "1"	edboatuk-usum.exe

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 3 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	edboatuk-usum.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	edboatuk-usum.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\abxopoav.exe"	edboatuk-usum.exe

Executes dropped EXE 2 IoCs

pid	Process
4844	edboatuk-usum.exe
4908	edboatuk-usum.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"	edboatuk-usum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	edboatuk-usum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	edboatuk-usum.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	edboatuk-usum.exe

Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

remove IFEO.

defense_evasion

Clear Persistence

T1070.009

description	ioc	Process
Delete value	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger	edboatuk-usum.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

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\\upteheah.dll"	edboatuk-usum.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	edboatuk-usum.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	edboatuk-usum.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	edboatuk-usum.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	edboatuk-usum.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\edboatuk-usum.exe	850ab8907999eb164044ddf865fdeb33cb83259a12cbf0e4d005944f4e39d043N.exe
File created	C:\Windows\SysWOW64\abxopoav.exe	edboatuk-usum.exe
File opened for modification	C:\Windows\SysWOW64\uhtuxeg-eadat.exe	edboatuk-usum.exe
File created	C:\Windows\SysWOW64\uhtuxeg-eadat.exe	edboatuk-usum.exe
File created	C:\Windows\SysWOW64\upteheah.dll	edboatuk-usum.exe
File opened for modification	C:\Windows\SysWOW64\edboatuk-usum.exe	850ab8907999eb164044ddf865fdeb33cb83259a12cbf0e4d005944f4e39d043N.exe
File opened for modification	C:\Windows\SysWOW64\abxopoav.exe	edboatuk-usum.exe
File opened for modification	C:\Windows\SysWOW64\upteheah.dll	edboatuk-usum.exe
File opened for modification	C:\Windows\SysWOW64\edboatuk-usum.exe	edboatuk-usum.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	850ab8907999eb164044ddf865fdeb33cb83259a12cbf0e4d005944f4e39d043N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edboatuk-usum.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edboatuk-usum.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4908	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4908	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe
4844	edboatuk-usum.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3208	850ab8907999eb164044ddf865fdeb33cb83259a12cbf0e4d005944f4e39d043N.exe
Token: SeDebugPrivilege	4844	edboatuk-usum.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 4844	3208	850ab8907999eb164044ddf865fdeb33cb83259a12cbf0e4d005944f4e39d043N.exe	89
PID 3208 wrote to memory of 4844	3208	850ab8907999eb164044ddf865fdeb33cb83259a12cbf0e4d005944f4e39d043N.exe	89
PID 3208 wrote to memory of 4844	3208	850ab8907999eb164044ddf865fdeb33cb83259a12cbf0e4d005944f4e39d043N.exe	89
PID 4844 wrote to memory of 4908	4844	edboatuk-usum.exe	90
PID 4844 wrote to memory of 4908	4844	edboatuk-usum.exe	90
PID 4844 wrote to memory of 4908	4844	edboatuk-usum.exe	90
PID 4844 wrote to memory of 592	4844	edboatuk-usum.exe	5
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56
PID 4844 wrote to memory of 3540	4844	edboatuk-usum.exe	56

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:592

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3540
- C:\Users\Admin\AppData\Local\Temp\850ab8907999eb164044ddf865fdeb33cb83259a12cbf0e4d005944f4e39d043N.exe
  "C:\Users\Admin\AppData\Local\Temp\850ab8907999eb164044ddf865fdeb33cb83259a12cbf0e4d005944f4e39d043N.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3208
- - C:\Windows\SysWOW64\edboatuk-usum.exe
    "C:\Windows\system32\edboatuk-usum.exe"
    3⤵
    - Windows security bypass
    - Boot or Logon Autostart Execution: Active Setup
    - Event Triggered Execution: Image File Execution Options Injection
    - Executes dropped EXE
    - Windows security modification
    - Indicator Removal: Clear Persistence
    - Modifies WinLogon
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4844
  - - C:\Windows\SysWOW64\edboatuk-usum.exe
      --k33p
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:4908

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3468,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4436 /prefetch:8
1⤵
PID:3188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Indicator Removal

T1070

Clear Persistence

T1070.009

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\abxopoav.exe

Filesize
72KB

MD5
af4989b299c47c06f9546dae90b22c07

SHA1
b7d95ec43d74fcb1b1788e7c22b8a773b5a736e3

SHA256
ebf9efc169d4110519f47028e93cd6fa53b47dbc9ce4a29777f9feb53e248014

SHA512
d9bbb727e5bbc8f59669628f7f442b6c1257f42ec6831bfac87a0f73b3c3b0a400a50206ecc5929e85dec88d5794d8933aacf3b4443358c5543715f3e41c403d

Download Submit
C:\Windows\SysWOW64\edboatuk-usum.exe

Filesize
69KB

MD5
9afdde19bdb7eeab0d121c2e1ea863d0

SHA1
ce9acc628acd22e462062991238c3ac954d04a7a

SHA256
850ab8907999eb164044ddf865fdeb33cb83259a12cbf0e4d005944f4e39d043

SHA512
689cfa1163c1469f93c4b05f54291a7429941bda287f09af8bf476614c944744e4eb63c045c7b4962f1f7d8c487943b7f1ca2cacc882cfae9c6d811423cfe309

Download Submit
C:\Windows\SysWOW64\uhtuxeg-eadat.exe

Filesize
71KB

MD5
f8ea0026929364187c6e94c80312dc6f

SHA1
3a7459a61c25dea75307892cd8c81b3be63b9f88

SHA256
31477d1e7d739810938a4aeabf1be70b3a0e7edd556d84043893bcbcd71ddc4e

SHA512
3a49a54aeac215842ef96d3766f7b699687dc1563b5734506c5459098c5d85667dfe9c2694e1609cddd52e34ed94c06cdcdee02a85994a9de2b046d0de507f8e

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

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
memory/3208-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4844-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4908-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download