8e81b620d81f8897448b5b9a3ff076ab63705af07b0d290ed3dabebbcd2b8bc8

General

Target

adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exe
Size

72KB
MD5

adc592fd150af3d2b71fdebe678b4ca0
SHA1

92afd150d7331e04bdfbe08412b8b68c908c5f29
SHA256

8e81b620d81f8897448b5b9a3ff076ab63705af07b0d290ed3dabebbcd2b8bc8
SHA512

5a6e2f02a0596d79a7fb0a81dbc5f014b6db20f01ecf2da2976ebf7ef4f90227dbeca43ffeb9f32c339fa23f67e6f3717f723f66913397fc8ebd0b8990557ae7
SSDEEP

1536:x+ME0nJHEleopj5g2X+UuxCQT+fByvWmRjNvNHKIQwoU:YeKn95d+RCQmByH9NJ/

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:

ohsoatoos-bac.exe

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

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ohsoatoos-bac.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}	ohsoatoos-bac.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	ohsoatoos-bac.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\IsInstalled = "1"	ohsoatoos-bac.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{495A4B43-4b4f-5450-495A-4B434B4F5450}\StubPath = "C:\\Windows\\system32\\acgoapeat.exe"	ohsoatoos-bac.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ohsoatoos-bac.exe

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

Executes dropped EXE 2 IoCs

Processes:

ohsoatoos-bac.exeohsoatoos-bac.exe

pid process

2832 ohsoatoos-bac.exe
2972 ohsoatoos-bac.exe
Loads dropped DLL 3 IoCs

Processes:

adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exeohsoatoos-bac.exe

pid process

2676 adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exe
2676 adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exe
2832 ohsoatoos-bac.exe

pid	process
2676	adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exe
2676	adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exe
2832	ohsoatoos-bac.exe

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

ohsoatoos-bac.exe

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

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

ohsoatoos-bac.exe

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

Drops file in System32 directory 9 IoCs

Processes:

adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exeohsoatoos-bac.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ohsoatoos-bac.exe	adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\ekxeasib-oucat.exe	ohsoatoos-bac.exe
File created	C:\Windows\SysWOW64\ekxeasib-oucat.exe	ohsoatoos-bac.exe
File created	C:\Windows\SysWOW64\acgoapeat.exe	ohsoatoos-bac.exe
File created	C:\Windows\SysWOW64\ohsoatoos-bac.exe	adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\acgoapeat.exe	ohsoatoos-bac.exe
File opened for modification	C:\Windows\SysWOW64\hfutog-eatat.dll	ohsoatoos-bac.exe
File created	C:\Windows\SysWOW64\hfutog-eatat.dll	ohsoatoos-bac.exe
File opened for modification	C:\Windows\SysWOW64\ohsoatoos-bac.exe	ohsoatoos-bac.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

ohsoatoos-bac.exeohsoatoos-bac.exe

pid	process
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2972	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe
2832	ohsoatoos-bac.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ohsoatoos-bac.exe

description pid process

Token: SeDebugPrivilege 2832 ohsoatoos-bac.exe

description	pid	process
Token: SeDebugPrivilege	2832	ohsoatoos-bac.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exeohsoatoos-bac.exe

description	pid	process	target process
PID 2676 wrote to memory of 2832	2676	adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exe	ohsoatoos-bac.exe
PID 2676 wrote to memory of 2832	2676	adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exe	ohsoatoos-bac.exe
PID 2676 wrote to memory of 2832	2676	adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exe	ohsoatoos-bac.exe
PID 2676 wrote to memory of 2832	2676	adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exe	ohsoatoos-bac.exe
PID 2832 wrote to memory of 436	2832	ohsoatoos-bac.exe	winlogon.exe
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 2972	2832	ohsoatoos-bac.exe	ohsoatoos-bac.exe
PID 2832 wrote to memory of 2972	2832	ohsoatoos-bac.exe	ohsoatoos-bac.exe
PID 2832 wrote to memory of 2972	2832	ohsoatoos-bac.exe	ohsoatoos-bac.exe
PID 2832 wrote to memory of 2972	2832	ohsoatoos-bac.exe	ohsoatoos-bac.exe
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE
PID 2832 wrote to memory of 1200	2832	ohsoatoos-bac.exe	Explorer.EXE

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200

C:\Users\Admin\AppData\Local\Temp\adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\adc592fd150af3d2b71fdebe678b4ca0_NeikiAnalytics.exe"
2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2676

C:\Windows\SysWOW64\ohsoatoos-bac.exe
"C:\Windows\SysWOW64\ohsoatoos-bac.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:2832

C:\Windows\SysWOW64\ohsoatoos-bac.exe
--k33p
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2972

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\acgoapeat.exe
Filesize
72KB

MD5
0877e66bb62feb0ccfd250ecada55833

SHA1
81f935827d28de3868b7cfde86739026d1471874

SHA256
61002cbdf9cc41d19720f60e6948a7e77602abb65a55ec060b33321128e928d6

SHA512
487edd256a42199946798ceb701e6eb6036138e1d35f9dbd107a11f90e15f82a8dcea259266c0066fa4fdea188bd22112f88304a7f667f8df393f17ca30579f4

Download Submit
C:\Windows\SysWOW64\ekxeasib-oucat.exe
Filesize
73KB

MD5
fab26d4cee8b035bfa6b0c7f431ea548

SHA1
19e7f5812f0d665c00c513cc6843fd88ab6c1b0c

SHA256
1a7e737628dafb7ecb566b2ee4b2b839884493400348346e4a7bcaf91e951a71

SHA512
d0de2999fe67df8b451f5930d63d7912e4534787adbbf6bb8a1d1cc56a72b006b1afbe6ba343f745c62a120e2fcfadd17bce7c61cc784e763236b0419f7a1044

Download Submit
C:\Windows\SysWOW64\hfutog-eatat.dll
Filesize
5KB

MD5
f37b21c00fd81bd93c89ce741a88f183

SHA1
b2796500597c68e2f5638e1101b46eaf32676c1c

SHA256
76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

SHA512
252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

Download Submit
C:\Windows\SysWOW64\ohsoatoos-bac.exe
Filesize
70KB

MD5
9b1a06f4218ee542cb9fdb83f3ad1a93

SHA1
3a894d228e6486c6b8536309d44e00515006b3e9

SHA256
40c884318132d191619d192aa1ce12f2fdf78847a28fad818982cf9bb92805d6

SHA512
f90308694c9fa1eac3f36df79f68a41aa0dcbd06e9a2e1cf629564162c2549c5bf3bc5fbe6e6c9f18e082844ff57f573ad73387c31cbed5572139ad1f8b1adc4

Download Submit
memory/2676-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2832-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2972-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads