cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a

General

Target

cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe
Size

70KB
MD5

6cb582e040f26448f578ac2dbc793784
SHA1

5db375c8fb2b52bfd425c1c405eaea679a64bc83
SHA256

cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a
SHA512

210480259b1188d898ae1c08d6f0d16bdac0a6eb3986d397266c66fb64f569c80cb59f6e9c0c614fab1b3fefc9ff4eb6a40e93b5186e6f244d81e170e89e9e55
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8UL:Olg35GTslA5t3/w8m

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:

ehsevit.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	ehsevit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ehsevit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ehsevit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ehsevit.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ehsevit.exe

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

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ehsevit.exe

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

Executes dropped EXE 2 IoCs

Processes:

ehsevit.exeehsevit.exe

pid process

2928 ehsevit.exe
2696 ehsevit.exe

Loads dropped DLL 3 IoCs

Processes:

cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exeehsevit.exe

pid	process
3064	cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe
3064	cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe
2928	ehsevit.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

ehsevit.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	ehsevit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	ehsevit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	ehsevit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	ehsevit.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

ehsevit.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	ehsevit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	ehsevit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\ugcofex.dll"	ehsevit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	ehsevit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	ehsevit.exe

Drops file in System32 directory 9 IoCs

Processes:

ehsevit.execfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe

description	ioc	process
File created	C:\Windows\SysWOW64\ugcofex.dll	ehsevit.exe
File created	C:\Windows\SysWOW64\ehsevit.exe	cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe
File opened for modification	C:\Windows\SysWOW64\ugcofex.dll	ehsevit.exe
File created	C:\Windows\SysWOW64\olceasag.exe	ehsevit.exe
File opened for modification	C:\Windows\SysWOW64\opxuhoob-ucex.exe	ehsevit.exe
File created	C:\Windows\SysWOW64\opxuhoob-ucex.exe	ehsevit.exe
File opened for modification	C:\Windows\SysWOW64\ehsevit.exe	ehsevit.exe
File opened for modification	C:\Windows\SysWOW64\ehsevit.exe	cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe
File opened for modification	C:\Windows\SysWOW64\olceasag.exe	ehsevit.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

ehsevit.exeehsevit.exe

pid	process
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2696	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe
2928	ehsevit.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exeehsevit.exe

description	pid	process
Token: SeDebugPrivilege	3064	cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe
Token: SeDebugPrivilege	2928	ehsevit.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exeehsevit.exe

description	pid	process	target process
PID 3064 wrote to memory of 2928	3064	cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe	ehsevit.exe
PID 3064 wrote to memory of 2928	3064	cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe	ehsevit.exe
PID 3064 wrote to memory of 2928	3064	cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe	ehsevit.exe
PID 3064 wrote to memory of 2928	3064	cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe	ehsevit.exe
PID 2928 wrote to memory of 436	2928	ehsevit.exe	winlogon.exe
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 2696	2928	ehsevit.exe	ehsevit.exe
PID 2928 wrote to memory of 2696	2928	ehsevit.exe	ehsevit.exe
PID 2928 wrote to memory of 2696	2928	ehsevit.exe	ehsevit.exe
PID 2928 wrote to memory of 2696	2928	ehsevit.exe	ehsevit.exe
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE
PID 2928 wrote to memory of 1064	2928	ehsevit.exe	Explorer.EXE

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1064

C:\Users\Admin\AppData\Local\Temp\cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe
"C:\Users\Admin\AppData\Local\Temp\cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe"
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3064

C:\Windows\SysWOW64\ehsevit.exe
"C:\Windows\system32\ehsevit.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:2928

C:\Windows\SysWOW64\ehsevit.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2696

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\olceasag.exe

Filesize
73KB

MD5
5a5562949b296696a11f7e8bc0a63c9f

SHA1
f9dea2b240f2bec6c8f3c99e34bfc6d5d003e44e

SHA256
890345be3faf2f28412f858e8985bd7a2a3bc6be4371790c6c9b3fdafc2f1a1e

SHA512
c024c6a7a1f22a5254426e045ee69c8dba02ef37da13c64d6acebe6996a39831c855f4aa802f622e4dc62df7bd941da085550adf74aa4b56ffbcbc83c4d9ce99

Download Submit
C:\Windows\SysWOW64\opxuhoob-ucex.exe

Filesize
72KB

MD5
b868bb7483bdf12d3693918e860d0947

SHA1
c79737c0412932f12623cb0287fa4a01f5810ecf

SHA256
d37f918c0ef9297c4866c5180081339efa320bbcbf8dbc6464cea9bb31290c4f

SHA512
ce9af16c744ae27fcd4b38d04d59aa8825ef62bad83355306ff2263d7b3c3bf234b088c1cfa31c5a4df84129bc2c8a35452a6053e7356c9a352f0bc788d0214f

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

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
\Windows\SysWOW64\ehsevit.exe

Filesize
70KB

MD5
6cb582e040f26448f578ac2dbc793784

SHA1
5db375c8fb2b52bfd425c1c405eaea679a64bc83

SHA256
cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a

SHA512
210480259b1188d898ae1c08d6f0d16bdac0a6eb3986d397266c66fb64f569c80cb59f6e9c0c614fab1b3fefc9ff4eb6a40e93b5186e6f244d81e170e89e9e55

Download Submit
memory/2696-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2928-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3064-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads