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\{41565A43-565a-4d5a-4156-5A43565A4d5a}	ehsevit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{41565A43-565a-4d5a-4156-5A43565A4d5a}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	ehsevit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{41565A43-565a-4d5a-4156-5A43565A4d5a}\IsInstalled = "1"	ehsevit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{41565A43-565a-4d5a-4156-5A43565A4d5a}\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

972 ehsevit.exe
1504 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\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	ehsevit.exe
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

Drops file in System32 directory 9 IoCs

Processes:

ehsevit.execfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

ehsevit.exeehsevit.exe

pid	process
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
1504	ehsevit.exe
1504	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe
972	ehsevit.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exeehsevit.exe

description	pid	process
Token: SeDebugPrivilege	1552	cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe
Token: SeDebugPrivilege	972	ehsevit.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exeehsevit.exe

description	pid	process	target process
PID 1552 wrote to memory of 972	1552	cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe	ehsevit.exe
PID 1552 wrote to memory of 972	1552	cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe	ehsevit.exe
PID 1552 wrote to memory of 972	1552	cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe	ehsevit.exe
PID 972 wrote to memory of 612	972	ehsevit.exe	winlogon.exe
PID 972 wrote to memory of 1504	972	ehsevit.exe	ehsevit.exe
PID 972 wrote to memory of 1504	972	ehsevit.exe	ehsevit.exe
PID 972 wrote to memory of 1504	972	ehsevit.exe	ehsevit.exe
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE
PID 972 wrote to memory of 3448	972	ehsevit.exe	Explorer.EXE

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3448

C:\Users\Admin\AppData\Local\Temp\cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe
"C:\Users\Admin\AppData\Local\Temp\cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a.exe"
2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552

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
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:972

C:\Windows\SysWOW64\ehsevit.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1504

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\ehsevit.exe

Filesize
70KB

MD5
6cb582e040f26448f578ac2dbc793784

SHA1
5db375c8fb2b52bfd425c1c405eaea679a64bc83

SHA256
cfaeda36b4ef2f71a833b3d5b608713a057f95dc7dc4642ea3cf77176795103a

SHA512
210480259b1188d898ae1c08d6f0d16bdac0a6eb3986d397266c66fb64f569c80cb59f6e9c0c614fab1b3fefc9ff4eb6a40e93b5186e6f244d81e170e89e9e55

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

Filesize
73KB

MD5
946a1741e834bdacf5372ac9b9fbc61d

SHA1
8d64ccba117492986e1eab5eb6d3d8dc702649ce

SHA256
d901d4e18f30b6aa34b5fe1993809e3b2f63722c3b5d32cd1ec9598cade7fb03

SHA512
5c9f80734e56b4dc0e7b462189d235ed8a51f10c47ba30c660573b9617f0408c35a66a692d7bc352e3320762962bccdec8ffee31b8dc31f3862f241c6385d844

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

Filesize
72KB

MD5
53c64c8320c43f7cb2c213c0faa5f94f

SHA1
1471f5c46504d85c0366feac5738404d848d4338

SHA256
8e22520515ab2eac2b0ad210fc5569337aea51d23676f594ca6005866bb318db

SHA512
281e4ad8ae682bc584e6deeb28ccdbdde82d9216ea6a79b15bef94aaf1c3589b9900bd166ab045d53343ec89e2aa14615a64108ed82681c0cd6c80af7c0c2198

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

Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
memory/1552-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads