8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f

General

Target

8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exe
Size

70KB
MD5

c8138b198fae0c9c5a86ac8b88583a58
SHA1

5b137ebff8024bb6ed5fa927d2a085240b900389
SHA256

8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f
SHA512

96ca85a74abf09556765228ce38e5dfc547c22cf8f048569726cb0976ab2d3a67c9fea96299d26762d48ca51533f1ba12cd1515db54c215a71ca354a5a53023f
SSDEEP

1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8sl1G:Olg35GTslA5t3/w8r

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:

atkunoan-deas.exe

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

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

atkunoan-deas.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}	atkunoan-deas.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	atkunoan-deas.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\IsInstalled = "1"	atkunoan-deas.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\StubPath = "C:\\Windows\\system32\\apnoacam.exe"	atkunoan-deas.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

atkunoan-deas.exe

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

Executes dropped EXE 2 IoCs

Processes:

atkunoan-deas.exeatkunoan-deas.exe

pid process

2884 atkunoan-deas.exe
2984 atkunoan-deas.exe

Loads dropped DLL 3 IoCs

Processes:

8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exeatkunoan-deas.exe

pid	process
1808	8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exe
1808	8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exe
2884	atkunoan-deas.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

atkunoan-deas.exe

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

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

atkunoan-deas.exe

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

Drops file in System32 directory 9 IoCs

Processes:

atkunoan-deas.exe8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exe

description	ioc	process
File created	C:\Windows\SysWOW64\tpeamok-ipeas.dll	atkunoan-deas.exe
File opened for modification	C:\Windows\SysWOW64\bnibug.exe	atkunoan-deas.exe
File opened for modification	C:\Windows\SysWOW64\apnoacam.exe	atkunoan-deas.exe
File opened for modification	C:\Windows\SysWOW64\tpeamok-ipeas.dll	atkunoan-deas.exe
File created	C:\Windows\SysWOW64\apnoacam.exe	atkunoan-deas.exe
File opened for modification	C:\Windows\SysWOW64\atkunoan-deas.exe	atkunoan-deas.exe
File opened for modification	C:\Windows\SysWOW64\atkunoan-deas.exe	8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exe
File created	C:\Windows\SysWOW64\atkunoan-deas.exe	8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exe
File created	C:\Windows\SysWOW64\bnibug.exe	atkunoan-deas.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

atkunoan-deas.exeatkunoan-deas.exe

pid	process
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2984	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe
2884	atkunoan-deas.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exeatkunoan-deas.exe

description	pid	process
Token: SeDebugPrivilege	1808	8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exe
Token: SeDebugPrivilege	2884	atkunoan-deas.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exeatkunoan-deas.exe

description	pid	process	target process
PID 1808 wrote to memory of 2884	1808	8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exe	atkunoan-deas.exe
PID 1808 wrote to memory of 2884	1808	8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exe	atkunoan-deas.exe
PID 1808 wrote to memory of 2884	1808	8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exe	atkunoan-deas.exe
PID 1808 wrote to memory of 2884	1808	8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exe	atkunoan-deas.exe
PID 2884 wrote to memory of 412	2884	atkunoan-deas.exe	winlogon.exe
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 2984	2884	atkunoan-deas.exe	atkunoan-deas.exe
PID 2884 wrote to memory of 2984	2884	atkunoan-deas.exe	atkunoan-deas.exe
PID 2884 wrote to memory of 2984	2884	atkunoan-deas.exe	atkunoan-deas.exe
PID 2884 wrote to memory of 2984	2884	atkunoan-deas.exe	atkunoan-deas.exe
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE
PID 2884 wrote to memory of 1324	2884	atkunoan-deas.exe	Explorer.EXE

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:412

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1324

C:\Users\Admin\AppData\Local\Temp\8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exe
"C:\Users\Admin\AppData\Local\Temp\8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f.exe"
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\SysWOW64\atkunoan-deas.exe
"C:\Windows\system32\atkunoan-deas.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:2884

C:\Windows\SysWOW64\atkunoan-deas.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2984

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Windows\SysWOW64\apnoacam.exe
Filesize
72KB

MD5
2a1a5b263dddd44a5263226ed21aaa99

SHA1
80597e2e37bd1814eb61e7a7027441984ee7ef12

SHA256
94e046b02eb41b5281834540d6c899fa505b0370a2b228334259b68abeee0d82

SHA512
337e53d99e87d4ded83b2d08af4b732cd7416b59ee7d5fc73501e98331742ea394d375ad8a57e8d86497b053da6c02650cdcd83917501cc959a688785908613f

Download Submit
C:\Windows\SysWOW64\bnibug.exe
Filesize
73KB

MD5
422a410a11460d26757071fca67e40cf

SHA1
bec42db94f4ba24781ad783a06b58f0ecb79e66e

SHA256
21950e36849a488d2ccdaf4b6251d14a9a797a5e4bd618a5ed82e4ae59364ba8

SHA512
f35c123b14a833b01c0d462947f45bcb1bad939c3a632c28e38c785ccc704353dfc1b8a1c44d675f20821b6ee2640ba383d9d955453995f8f39957a458094c8a

Download Submit
C:\Windows\SysWOW64\tpeamok-ipeas.dll
Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
\Windows\SysWOW64\atkunoan-deas.exe
Filesize
70KB

MD5
c8138b198fae0c9c5a86ac8b88583a58

SHA1
5b137ebff8024bb6ed5fa927d2a085240b900389

SHA256
8a0397e52be9188cb3aaa6fd717d38fd6f4870ec44ffd064f56e7ed221e63e8f

SHA512
96ca85a74abf09556765228ce38e5dfc547c22cf8f048569726cb0976ab2d3a67c9fea96299d26762d48ca51533f1ba12cd1515db54c215a71ca354a5a53023f

Download Submit
memory/1808-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2884-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2984-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads