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\FirewallDisableNotify = "25600"	osvugat-eavoas.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	osvugat-eavoas.exe
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

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\{5549424E-514e-4d41-5549-424E514E4d41}	osvugat-eavoas.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5549424E-514e-4d41-5549-424E514E4d41}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	osvugat-eavoas.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5549424E-514e-4d41-5549-424E514E4d41}\IsInstalled = "1"	osvugat-eavoas.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5549424E-514e-4d41-5549-424E514E4d41}\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

2084 osvugat-eavoas.exe
1804 osvugat-eavoas.exe

Loads dropped DLL 3 IoCs

Processes:

1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exeosvugat-eavoas.exe

pid	process
3000	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe
3000	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe
2084	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 opened for modification	C:\Windows\SysWOW64\osvugat-eavoas.exe	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe
File created	C:\Windows\SysWOW64\osvugat-eavoas.exe	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe
File opened for modification	C:\Windows\SysWOW64\eampafox.exe	osvugat-eavoas.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

osvugat-eavoas.exeosvugat-eavoas.exe

pid	process
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
1804	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe
2084	osvugat-eavoas.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exeosvugat-eavoas.exe

description	pid	process
Token: SeDebugPrivilege	3000	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe
Token: SeDebugPrivilege	2084	osvugat-eavoas.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exeosvugat-eavoas.exe

description	pid	process	target process
PID 3000 wrote to memory of 2084	3000	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe	osvugat-eavoas.exe
PID 3000 wrote to memory of 2084	3000	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe	osvugat-eavoas.exe
PID 3000 wrote to memory of 2084	3000	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe	osvugat-eavoas.exe
PID 3000 wrote to memory of 2084	3000	1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe	osvugat-eavoas.exe
PID 2084 wrote to memory of 432	2084	osvugat-eavoas.exe	winlogon.exe
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1804	2084	osvugat-eavoas.exe	osvugat-eavoas.exe
PID 2084 wrote to memory of 1804	2084	osvugat-eavoas.exe	osvugat-eavoas.exe
PID 2084 wrote to memory of 1804	2084	osvugat-eavoas.exe	osvugat-eavoas.exe
PID 2084 wrote to memory of 1804	2084	osvugat-eavoas.exe	osvugat-eavoas.exe
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE
PID 2084 wrote to memory of 1228	2084	osvugat-eavoas.exe	Explorer.EXE

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1228

C:\Users\Admin\AppData\Local\Temp\1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe
"C:\Users\Admin\AppData\Local\Temp\1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662.exe"
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000

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
- 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:2084

C:\Windows\SysWOW64\osvugat-eavoas.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1804

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
4ce7d98a0af7bd1f243c72bf3bf681cc

SHA1
998f97f794203d4cffae6fa111f3e162a7aece43

SHA256
5f330805e30aa7ed0b50a3fa28911268074df78cbd86dfad38fbfddbe0e5e601

SHA512
3f1e02350e3afe8c069f6fe215e493f87bedf6f64bd21b1326cff57561514efe4c40d64c9ea9397ba18bd69a7062a49fce9da2e3add112e6e707f4cbfe0ecde2

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

Filesize
74KB

MD5
0e6b01e364928df3404a382b0c3a10cb

SHA1
5c7fd28f5ce875474d835ef47ede0f6588a66445

SHA256
da1a7e5282003a92987792a618a2879e28ec3134fa68425fb7ed51024d232ecb

SHA512
09c26e0c4ebdbbd6824036d9e5cf2de653972e81035d91fb5abd322a0fd87a77f36451594639e65b0fe5899b5ed50a078188c267348363a490538850269c006c

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

Filesize
71KB

MD5
eac8e0c092dc1faf1182cd0ab573d070

SHA1
2ea4e005a242dc4768550df2e2bad32d73e67645

SHA256
1c0fdd7a0d2aa067caf35028efe1a7cd176b2235c76b581397817e0568880662

SHA512
ac481a7a1eeaf564793f06b5998c0a65d25be9bf89e85eff421868053d720902487b56179cb393f34c33caffd03328ae6f15da1d5aca52bf382a26b0aa5f31be

Download Submit
memory/1804-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2084-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3000-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads