c02ac78623a03005cd707e074decb025e3459be49b2bce8503655f2161ab1688

General

Target

873075a5ea48a125e51711adb9f98290_NeikiAnalytics.exe
Size

24KB
MD5

873075a5ea48a125e51711adb9f98290
SHA1

f1854c4c33769cc493402bc9b69c25976d4f8220
SHA256

c02ac78623a03005cd707e074decb025e3459be49b2bce8503655f2161ab1688
SHA512

4a8299b8a6ea2ee32ef42bb172149ff614eb8483e2ff580e46d20e859c51f0378042c483589d42ec60cc64622c96262b2f6be3def09366ef5ab7604d0eea3d47
SSDEEP

768:jIUhfMX4ljI8V4DQhq9dV0SxvbV3j6C5mS4OKES:jnfhljUdV0SxvbV3j15S

Score

10^/10

evasion persistence trojan upx

Malware Config

Signatures

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "5120"	rmass.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	rmass.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}\IsInstalled = "1"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}\StubPath = "C:\\Windows\\system32\\ahuy.exe"	rmass.exe

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

Executes dropped EXE 2 IoCs

pid	Process
2320	rmass.exe
3416	rmass.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000800000002323f-2.dat	upx
behavioral2/memory/2320-4-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/2320-33-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/3416-49-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/2320-65-0x0000000000400000-0x0000000000411000-memory.dmp	upx

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "5120"	rmass.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "5120"	rmass.exe

Modifies WinLogon 2 TTPs 5 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}	rmass.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\RECOVER32.DLL"	rmass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	rmass.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\winrnt.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\idbg32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	873075a5ea48a125e51711adb9f98290_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\ntdbg.exe	rmass.exe
File created	C:\Windows\SysWOW64\ntdbg.exe	rmass.exe
File created	C:\Windows\SysWOW64\ahuy.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\RECOVER32.DLL	rmass.exe
File created	C:\Windows\SysWOW64\RECOVER32.DLL	rmass.exe
File created	C:\Windows\SysWOW64\rmass.exe	873075a5ea48a125e51711adb9f98290_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\ahuy.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\aset32.exe	rmass.exe
File opened for modification	C:\Windows\SysWOW64\rmass.exe	rmass.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\System\winrnt.exe	rmass.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\aset32.exe	rmass.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\idbg32.exe	rmass.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3416	rmass.exe
3416	rmass.exe
2320	rmass.exe
2320	rmass.exe
2320	rmass.exe
2320	rmass.exe
2320	rmass.exe
2320	rmass.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2320	rmass.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 2320	1140	873075a5ea48a125e51711adb9f98290_NeikiAnalytics.exe	91
PID 1140 wrote to memory of 2320	1140	873075a5ea48a125e51711adb9f98290_NeikiAnalytics.exe	91
PID 1140 wrote to memory of 2320	1140	873075a5ea48a125e51711adb9f98290_NeikiAnalytics.exe	91
PID 2320 wrote to memory of 3416	2320	rmass.exe	92
PID 2320 wrote to memory of 3416	2320	rmass.exe	92
PID 2320 wrote to memory of 3416	2320	rmass.exe	92
PID 2320 wrote to memory of 632	2320	rmass.exe	5
PID 2320 wrote to memory of 3240	2320	rmass.exe	57

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:632

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3240
- C:\Users\Admin\AppData\Local\Temp\873075a5ea48a125e51711adb9f98290_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\873075a5ea48a125e51711adb9f98290_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1140
- - C:\Windows\SysWOW64\rmass.exe
    "C:\Windows\SysWOW64\rmass.exe"
    3⤵
    - Windows security bypass
    - Drops file in Drivers directory
    - 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
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2320
  - - C:\Windows\SysWOW64\rmass.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:3416

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=3932 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
1⤵
PID:4260

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\RECOVER32.DLL

Filesize
5KB

MD5
2b2c28a7a01f9584fe220ef84003427f

SHA1
5fc023df0b5064045eb8de7f2dbe26f07f6fec70

SHA256
9e00af53b1d0c0f5270d94a666d95aa7b4dcb9fea49487c210c055c9dcfcc9eb

SHA512
39192a8a91dec1abff25af8dac0cf39da4dfd51b3fb4f1ef0b4e776185d4280fbe8387c2ea778da7bbf2ce288b0bce4d23cbe8d9e87bbd250159044f5adbac78

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

Filesize
24KB

MD5
016fd6fd8591c070fb80a3e3636ca324

SHA1
0809d89bc16ab09b35de74241502519ca7f4466e

SHA256
0791238f8973f4d76525dfd3bfa51fb1ed7de06ad4101e225651f224be3dc209

SHA512
d48969760fc9ea2066ceec84954418e79c9f564271b13dfd4356a3af16caf81ce473b2d95437d8ab8d09ea2bb13d8d945d16c081c68f0050a23d07b7179d8c77

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

Filesize
25KB

MD5
bd6aa1f483e61eab216a984ec9c9681b

SHA1
1a213021d610bd51d84e7f2058145a30b53b950f

SHA256
96854c4b1cf69fdff9aa0c53846028eb5b8fdf4753a7d85d1036235abca0565b

SHA512
6d18107bf1153be33d78d4aacb8184fd7e1558548c765667dbef8bc9e4e75672501456703db1e99c1dad44d41ccc1b12ab25d728ef1d2d7bc5f901340bc4ff24

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

Filesize
22KB

MD5
0575dc36c93a40ae21ece4a9d511cdcc

SHA1
1e2306adc545bff00f872af719bc4a5ef62f262f

SHA256
260025946cbdaa82b1733964888c058f009d2b2035a31b3a133eb2c56afd5bf9

SHA512
c0d6e81cc5fe6f447f26c8e644695d027543fc984ae3d4be7b9fec9c6d8e0e230876fda76319ffc4298dcd2a396c7b47565763d1ab8daf08027abea85e76a3b6

Download Submit
C:\Windows\System32\drivers\etc\hosts

Filesize
1KB

MD5
6f47b62de25d1745e296a06b3f98ed19

SHA1
a688bb35a4c8a5cc198985d624a1b5a6ac5b9f6f

SHA256
15c7218eb9cef5fa0573db657b15ce3a5f0e0609f1166df8098ca7152df505b4

SHA512
dea26fff8060f44bf20fe4fff2ecbacf428727f10c0f5886fb4813e28fce9cbc3d088337c84edd9857b18514c83f1bb1cf0f51518aaecef09f30e921f4d758d7

Download Submit
memory/1140-3-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2320-4-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2320-33-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2320-65-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3416-49-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads