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\{4F41494C-5643-4e59-4F41-494C56434e59}	ishoxoac-emoab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	ishoxoac-emoab.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}\IsInstalled = "1"	ishoxoac-emoab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}\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
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
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

Executes dropped EXE 2 IoCs

Processes:

ishoxoac-emoab.exeishoxoac-emoab.exe

pid process

1708 ishoxoac-emoab.exe
1368 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	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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	ishoxoac-emoab.exe

Drops file in System32 directory 9 IoCs

Processes:

ishoxoac-emoab.execffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

ishoxoac-emoab.exeishoxoac-emoab.exe

pid	process
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1368	ishoxoac-emoab.exe
1368	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe
1708	ishoxoac-emoab.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exeishoxoac-emoab.exe

description	pid	process
Token: SeDebugPrivilege	4064	cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe
Token: SeDebugPrivilege	1708	ishoxoac-emoab.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exeishoxoac-emoab.exe

description	pid	process	target process
PID 4064 wrote to memory of 1708	4064	cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe	ishoxoac-emoab.exe
PID 4064 wrote to memory of 1708	4064	cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe	ishoxoac-emoab.exe
PID 4064 wrote to memory of 1708	4064	cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe	ishoxoac-emoab.exe
PID 1708 wrote to memory of 1368	1708	ishoxoac-emoab.exe	ishoxoac-emoab.exe
PID 1708 wrote to memory of 1368	1708	ishoxoac-emoab.exe	ishoxoac-emoab.exe
PID 1708 wrote to memory of 1368	1708	ishoxoac-emoab.exe	ishoxoac-emoab.exe
PID 1708 wrote to memory of 616	1708	ishoxoac-emoab.exe	winlogon.exe
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE
PID 1708 wrote to memory of 3384	1708	ishoxoac-emoab.exe	Explorer.EXE

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3384

C:\Users\Admin\AppData\Local\Temp\cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe
"C:\Users\Admin\AppData\Local\Temp\cffe8a233d75f0993a603ba5f9612b35ba6f9746f9adf99b87667576c65e5bc3.exe"
2⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4064

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
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\ishoxoac-emoab.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1368

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4000 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:540

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
740bd7f917ef6816c3ad1b3376732d32

SHA1
a5ec5f97c6ffed4d66efc4ea01bcd7bcb4f83b60

SHA256
359d920ef3fb872c089d2f6fe76bce3abc6941a0d9d5cbc20dd8d143cc4b7328

SHA512
67ffbb098ebe581615bd8d9de23465a37d337ec220b54036b2bc9dff691b84f96b06c3a6f67332426beddabedd19c974ee22e2e6495a72fb6223d753d0e82770

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
4148bb9f775bb02983661e8c7d418d85

SHA1
fd107025a0df3069eaf18e8e54aca48b525d6d4b

SHA256
e1c197acec99f2fa9703ce78c4f978e96c8528a482cc9bdb665b12719bca74fc

SHA512
bd12b529b492529e9c6eb3a8669a9dccfafde889b9a9b8ac5b45acf71937e0f557b9d6ec6e9d01df8ca9a6ab6f6e2abad7ee1b89320d8fe4171950ffa3b90e56

Download Submit
memory/1368-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1708-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4064-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads