cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3

General

Target

cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe
Size

70KB
MD5

0adff98b5a710b04365c751a171cf26a
SHA1

8bb98e020a121bca476d4efdc66118a57236e774
SHA256

cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3
SHA512

28ae5674773cba1b3f0c3d867dd5edbc9faefafb7e5f5a57a2138235e51795ee9f7e7fc38a40d74a996fc6a9f77ac68280359aaa4b51c77527f86dd770bc3809
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8P9:Olg35GTslA5t3/w8V

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:

ishoxoac-emoab.exe

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

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ishoxoac-emoab.exe

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

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ishoxoac-emoab.exe

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

Executes dropped EXE 2 IoCs

Processes:

ishoxoac-emoab.exeishoxoac-emoab.exe

pid process

2872 ishoxoac-emoab.exe
2592 ishoxoac-emoab.exe

Loads dropped DLL 3 IoCs

Processes:

cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exeishoxoac-emoab.exe

pid	process
3036	cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe
3036	cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe
2872	ishoxoac-emoab.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

ishoxoac-emoab.exe

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

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

ishoxoac-emoab.exe

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

Drops file in System32 directory 9 IoCs

Processes:

cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exeishoxoac-emoab.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ishoxoac-emoab.exe	cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe
File created	C:\Windows\SysWOW64\ishoxoac-emoab.exe	cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe
File opened for modification	C:\Windows\SysWOW64\ubkimook-com.exe	ishoxoac-emoab.exe
File opened for modification	C:\Windows\SysWOW64\oupxoxeab.dll	ishoxoac-emoab.exe
File opened for modification	C:\Windows\SysWOW64\ishoxoac-emoab.exe	ishoxoac-emoab.exe
File opened for modification	C:\Windows\SysWOW64\earhomif-koab.exe	ishoxoac-emoab.exe
File created	C:\Windows\SysWOW64\earhomif-koab.exe	ishoxoac-emoab.exe
File created	C:\Windows\SysWOW64\ubkimook-com.exe	ishoxoac-emoab.exe
File created	C:\Windows\SysWOW64\oupxoxeab.dll	ishoxoac-emoab.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

ishoxoac-emoab.exeishoxoac-emoab.exe

pid	process
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2592	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe
2872	ishoxoac-emoab.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exeishoxoac-emoab.exe

description	pid	process
Token: SeDebugPrivilege	3036	cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe
Token: SeDebugPrivilege	2872	ishoxoac-emoab.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exeishoxoac-emoab.exe

description	pid	process	target process
PID 3036 wrote to memory of 2872	3036	cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe	ishoxoac-emoab.exe
PID 3036 wrote to memory of 2872	3036	cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe	ishoxoac-emoab.exe
PID 3036 wrote to memory of 2872	3036	cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe	ishoxoac-emoab.exe
PID 3036 wrote to memory of 2872	3036	cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe	ishoxoac-emoab.exe
PID 2872 wrote to memory of 436	2872	ishoxoac-emoab.exe	winlogon.exe
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 2592	2872	ishoxoac-emoab.exe	ishoxoac-emoab.exe
PID 2872 wrote to memory of 2592	2872	ishoxoac-emoab.exe	ishoxoac-emoab.exe
PID 2872 wrote to memory of 2592	2872	ishoxoac-emoab.exe	ishoxoac-emoab.exe
PID 2872 wrote to memory of 2592	2872	ishoxoac-emoab.exe	ishoxoac-emoab.exe
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE
PID 2872 wrote to memory of 1192	2872	ishoxoac-emoab.exe	Explorer.EXE

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192

C:\Users\Admin\AppData\Local\Temp\cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe
"C:\Users\Admin\AppData\Local\Temp\cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe"
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3036

C:\Windows\SysWOW64\ishoxoac-emoab.exe
"C:\Windows\system32\ishoxoac-emoab.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:2872

C:\Windows\SysWOW64\ishoxoac-emoab.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2592

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\earhomif-koab.exe
Filesize
73KB

MD5
40ab5d556f82757a53e07f64981875aa

SHA1
880aaa935809167b7ab8152f27caa8199702b6c0

SHA256
739fce0b64c038691f49b3ff75a66fc16673cb40bd44c2cc15b45017724d8369

SHA512
26deda0b0cc4a002b1426cf72d99de4b58f45cd1006d00d6f4cba4ffeb1cf7fe80f0db371ae5848a415484f1cc606f080547393226dd8cd3e4a4356daf72fec8

Download Submit
C:\Windows\SysWOW64\ishoxoac-emoab.exe
Filesize
70KB

MD5
0adff98b5a710b04365c751a171cf26a

SHA1
8bb98e020a121bca476d4efdc66118a57236e774

SHA256
cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3

SHA512
28ae5674773cba1b3f0c3d867dd5edbc9faefafb7e5f5a57a2138235e51795ee9f7e7fc38a40d74a996fc6a9f77ac68280359aaa4b51c77527f86dd770bc3809

Download Submit
C:\Windows\SysWOW64\oupxoxeab.dll
Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\ubkimook-com.exe
Filesize
72KB

MD5
fb6e9a7bf68f52822d9e2da8d2675137

SHA1
4b0fbe75e6187179cc6472711f2172bb45a8d6de

SHA256
96c803f5efa5c55604d352f2a9d29b3aa3696dd9cfe7b1a75e8742a9c126050e

SHA512
22bde59ca2d3e8fb5775335c949409f5c344f22b363bc5fb321f6d1f158c3d548f09032b59e7877bffc02afcafbb301a9ad3429defcb7d7d9813e0ec5b32d6c6

Download Submit
memory/2592-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2872-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3036-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads