1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662

General

Target

1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe
Size

71KB
MD5

eac8e0c092dc1faf1182cd0ab573d070
SHA1

2ea4e005a242dc4768550df2e2bad32d73e67645
SHA256

1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662
SHA512

ac481a7a1eeaf564793f06b5998c0a65d25be9bf89e85eff421868053d720902487b56179cb393f34c33caffd03328ae6f15da1d5aca52bf382a26b0aa5f31be
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8sl/:Olg35GTslA5t3/w8k

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

Processes:

osvugat-eavoas.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	osvugat-eavoas.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	osvugat-eavoas.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	osvugat-eavoas.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	osvugat-eavoas.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

osvugat-eavoas.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}	osvugat-eavoas.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	osvugat-eavoas.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\IsInstalled = "1"	osvugat-eavoas.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{59434C45-5854-414c-5943-4C455854414c}\StubPath = "C:\\Windows\\system32\\eampafox.exe"	osvugat-eavoas.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

osvugat-eavoas.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	osvugat-eavoas.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	osvugat-eavoas.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\ngafur-ofed.exe"	osvugat-eavoas.exe

Executes dropped EXE 2 IoCs

Processes:

osvugat-eavoas.exeosvugat-eavoas.exe

pid process

4892 osvugat-eavoas.exe
4584 osvugat-eavoas.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

osvugat-eavoas.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	osvugat-eavoas.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	osvugat-eavoas.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	osvugat-eavoas.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	osvugat-eavoas.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

osvugat-eavoas.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	osvugat-eavoas.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\eabpuvav.dll"	osvugat-eavoas.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	osvugat-eavoas.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	osvugat-eavoas.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	osvugat-eavoas.exe

Drops file in System32 directory 9 IoCs

Processes:

osvugat-eavoas.exe1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ngafur-ofed.exe	osvugat-eavoas.exe
File created	C:\Windows\SysWOW64\ngafur-ofed.exe	osvugat-eavoas.exe
File created	C:\Windows\SysWOW64\eampafox.exe	osvugat-eavoas.exe
File opened for modification	C:\Windows\SysWOW64\eabpuvav.dll	osvugat-eavoas.exe
File created	C:\Windows\SysWOW64\eabpuvav.dll	osvugat-eavoas.exe
File opened for modification	C:\Windows\SysWOW64\osvugat-eavoas.exe	osvugat-eavoas.exe
File created	C:\Windows\SysWOW64\osvugat-eavoas.exe	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe
File opened for modification	C:\Windows\SysWOW64\eampafox.exe	osvugat-eavoas.exe
File opened for modification	C:\Windows\SysWOW64\osvugat-eavoas.exe	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

osvugat-eavoas.exeosvugat-eavoas.exe

pid	process
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4584	osvugat-eavoas.exe
4584	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe
4892	osvugat-eavoas.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exeosvugat-eavoas.exe

description	pid	process
Token: SeDebugPrivilege	4296	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe
Token: SeDebugPrivilege	4892	osvugat-eavoas.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exeosvugat-eavoas.exe

description	pid	process	target process
PID 4296 wrote to memory of 4892	4296	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe	osvugat-eavoas.exe
PID 4296 wrote to memory of 4892	4296	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe	osvugat-eavoas.exe
PID 4296 wrote to memory of 4892	4296	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe	osvugat-eavoas.exe
PID 4892 wrote to memory of 4584	4892	osvugat-eavoas.exe	osvugat-eavoas.exe
PID 4892 wrote to memory of 4584	4892	osvugat-eavoas.exe	osvugat-eavoas.exe
PID 4892 wrote to memory of 4584	4892	osvugat-eavoas.exe	osvugat-eavoas.exe
PID 4892 wrote to memory of 596	4892	osvugat-eavoas.exe	winlogon.exe
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE
PID 4892 wrote to memory of 3528	4892	osvugat-eavoas.exe	Explorer.EXE

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3528

C:\Users\Admin\AppData\Local\Temp\1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe
"C:\Users\Admin\AppData\Local\Temp\1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe"
2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4296

C:\Windows\SysWOW64\osvugat-eavoas.exe
"C:\Windows\system32\osvugat-eavoas.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:4892

C:\Windows\SysWOW64\osvugat-eavoas.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\eabpuvav.dll

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\eampafox.exe

Filesize
73KB

MD5
26441a5600ebc381c7d93006b7ae5251

SHA1
3309e5008926cd3786d69a8fdb39bd6d229bdbf6

SHA256
bbc957bcccba1632d48dd6fcb2e8355e899edd381e1d7f19853be0480b8cf271

SHA512
19c48f3691dfc84a847535be9bd5df996f66eb6cd8eda16a62401d4173dea348840b15840d2722db63b9720b473f960bce6d73be6180eb6e3a9608d9a83afbc9

Download Submit
C:\Windows\SysWOW64\ngafur-ofed.exe

Filesize
74KB

MD5
e13060b35fa3a2b655a02f4bece7cdf1

SHA1
0a6d2206fa5d4e387276d8dcb166108760171763

SHA256
cd1a4141e96026c20fa3effe6169f227c52fdc7521e90ac6da37ff52272b6a3d

SHA512
78d7d412e05e228cf98931dbcc82abd66eb81e472a39216fcfc4ad915423dadf15f55ff0115f8e816fbbc9a6a324fe243a2ef7a67352111f0d9fadd79737a72d

Download Submit
C:\Windows\SysWOW64\osvugat-eavoas.exe

Filesize
71KB

MD5
eac8e0c092dc1faf1182cd0ab573d070

SHA1
2ea4e005a242dc4768550df2e2bad32d73e67645

SHA256
1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662

SHA512
ac481a7a1eeaf564793f06b5998c0a65d25be9bf89e85eff421868053d720902487b56179cb393f34c33caffd03328ae6f15da1d5aca52bf382a26b0aa5f31be

Download Submit
memory/4296-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4584-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4892-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads