19eec7e7b0fe788ad4d8f4892d11a8eece72a1833d4fefd7e2d1cf4f291d5db2

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 19:07

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General

Target

19eec7e7b0fe788ad4d8f4892d11a8eece72a1833d4fefd7e2d1cf4f291d5db2.exe
Size

72KB
MD5

a4c10930f6536ab22dbdd49e2fa9bc5d
SHA1

b2b6a429942e44bb5c79d4a1cc62daba7bc7a3dd
SHA256

19eec7e7b0fe788ad4d8f4892d11a8eece72a1833d4fefd7e2d1cf4f291d5db2
SHA512

ae0689b1d31fbbc8011a6b8b805dfc2cf97944601106db300a8c56ce41a92c796cd3815d37651410a268375fb08396665e4621f1090cbb71ad5080e2954d1946
SSDEEP

768:x/nlrF9TAbYmFr1BndWdhKjJFJLLeTYSOmPPxfXjGca8Iaxqm4Ts9s5qCfRpXMRN:x5FNAlTnd+5rO0PxfXZVBZq5qYXMEo

Score

10^/10

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\AntiVirusDisableNotify = "25600"	ugpavex-exooc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ugpavex-exooc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ugpavex-exooc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	ugpavex-exooc.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}	ugpavex-exooc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	ugpavex-exooc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}\IsInstalled = "1"	ugpavex-exooc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4249534D-495a-4858-4249-534D495A4858}\StubPath = "C:\\Windows\\system32\\ursehoat-idoas.exe"	ugpavex-exooc.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

Executes dropped EXE 2 IoCs

pid	Process
1972	ugpavex-exooc.exe
2556	ugpavex-exooc.exe

Loads dropped DLL 3 IoCs

pid	Process
2068	19eec7e7b0fe788ad4d8f4892d11a8eece72a1833d4fefd7e2d1cf4f291d5db2.exe
2068	19eec7e7b0fe788ad4d8f4892d11a8eece72a1833d4fefd7e2d1cf4f291d5db2.exe
1972	ugpavex-exooc.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\UpdatesDisableNotify = "25600"	ugpavex-exooc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	ugpavex-exooc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ugpavex-exooc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ugpavex-exooc.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}\Startup = "Startup"	ugpavex-exooc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	ugpavex-exooc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	ugpavex-exooc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	ugpavex-exooc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\gsivoas.dll"	ugpavex-exooc.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ugpavex-exooc.exe	ugpavex-exooc.exe
File created	C:\Windows\SysWOW64\ugpavex-exooc.exe	19eec7e7b0fe788ad4d8f4892d11a8eece72a1833d4fefd7e2d1cf4f291d5db2.exe
File opened for modification	C:\Windows\SysWOW64\cxeavum-eadur.exe	ugpavex-exooc.exe
File created	C:\Windows\SysWOW64\cxeavum-eadur.exe	ugpavex-exooc.exe
File opened for modification	C:\Windows\SysWOW64\ursehoat-idoas.exe	ugpavex-exooc.exe
File created	C:\Windows\SysWOW64\gsivoas.dll	ugpavex-exooc.exe
File opened for modification	C:\Windows\SysWOW64\ugpavex-exooc.exe	19eec7e7b0fe788ad4d8f4892d11a8eece72a1833d4fefd7e2d1cf4f291d5db2.exe
File created	C:\Windows\SysWOW64\ursehoat-idoas.exe	ugpavex-exooc.exe
File opened for modification	C:\Windows\SysWOW64\gsivoas.dll	ugpavex-exooc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
2556	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe
1972	ugpavex-exooc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	ugpavex-exooc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 1972	2068	19eec7e7b0fe788ad4d8f4892d11a8eece72a1833d4fefd7e2d1cf4f291d5db2.exe	28
PID 2068 wrote to memory of 1972	2068	19eec7e7b0fe788ad4d8f4892d11a8eece72a1833d4fefd7e2d1cf4f291d5db2.exe	28
PID 2068 wrote to memory of 1972	2068	19eec7e7b0fe788ad4d8f4892d11a8eece72a1833d4fefd7e2d1cf4f291d5db2.exe	28
PID 2068 wrote to memory of 1972	2068	19eec7e7b0fe788ad4d8f4892d11a8eece72a1833d4fefd7e2d1cf4f291d5db2.exe	28
PID 1972 wrote to memory of 436	1972	ugpavex-exooc.exe	5
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 2556	1972	ugpavex-exooc.exe	29
PID 1972 wrote to memory of 2556	1972	ugpavex-exooc.exe	29
PID 1972 wrote to memory of 2556	1972	ugpavex-exooc.exe	29
PID 1972 wrote to memory of 2556	1972	ugpavex-exooc.exe	29
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20
PID 1972 wrote to memory of 1120	1972	ugpavex-exooc.exe	20

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:436

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1120
- C:\Users\Admin\AppData\Local\Temp\19eec7e7b0fe788ad4d8f4892d11a8eece72a1833d4fefd7e2d1cf4f291d5db2.exe
  "C:\Users\Admin\AppData\Local\Temp\19eec7e7b0fe788ad4d8f4892d11a8eece72a1833d4fefd7e2d1cf4f291d5db2.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2068
- - C:\Windows\SysWOW64\ugpavex-exooc.exe
    "C:\Windows\SysWOW64\ugpavex-exooc.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:1972
  - - C:\Windows\SysWOW64\ugpavex-exooc.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\cxeavum-eadur.exe

Filesize
73KB

MD5
5b2dc7b16bc211e18b388420f7b10f55

SHA1
13b9b246f22de21e914335d4cc45de20e019638e

SHA256
fb6ca9dc9f2e4caf190d400b4fd00100e5782e2b5aa177cbd97be70dc4d1cedb

SHA512
e5f496027b4e32954af1a9c20e7281d58a6ad7bc11885d522e6dee8d13722fc01a42413aba6ebbe76246c5e02738da02e6b89b2c36769e968132f3beb4814e0c

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

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\ursehoat-idoas.exe

Filesize
72KB

MD5
814ed77529d5eac4d8864dbf4a7cfa60

SHA1
57216ccf157a6af72ee8f1f8daa311b3ccf8124b

SHA256
6fffe5e6ad65a0a6d1cce302a24abfa9aeeb7bff6cadd593798dc18ad9f7bb9c

SHA512
c78a0d66a4340526b33147d11f1157e3fe90b88463dfde35620d6eb1e2b2807a996ded80ec30d8cd65998105192b28af18e6d4334d377886e00de15d27a0ba63

Download Submit
\Windows\SysWOW64\ugpavex-exooc.exe

Filesize
70KB

MD5
81577f33494067d9756f9d657696a8d0

SHA1
484010e6dc8b45dd0eac408d7f869023ee45cacb

SHA256
d1fe248a67fcf129bfd6d2d736d13a827219f966209b93a5bc8c7d53e3e95e65

SHA512
8ada64918d2b5f4f229b174157bad57a26994e333eb06094a5d1eb105aa64eebffd9d1f1ed7ecd8183294b44e486d8de39d3a6ba26fa86cc20c13eebe68a93f2

Download Submit
memory/1972-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2068-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2556-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download