31448715b4036f768e05796f27e28f9b96f9823bb7026909238d4b2bb6816842

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/05/2024, 09:49

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General

Target
afe18c7099a6d46e3b32b96291a45640_NeikiAnalytics.exe
Size 72KB
Sample240513-ltevnaaa66
SHA256 31448715b4036f768e05796f27e28f9b96f9823bb7026909238d4b2bb6816842
MD5 afe18c7099a6d46e3b32b96291a45640
SHA1 1f973cce118bf0462c4f97d90906bbd4492d144b
SHA512 72dfcd00e4e91ffc1b7e20256702861bdb907a0ed2472949a2ffe8cbe77c67d92a8f7dbf74b9ea6d1b3653f9d316a3327893321ab9e4aae3724002e601553dbc
SSDEEP 768:x/nQODtOgZwPeS2oyrw0U/Q7/PM8ee+YLVrvgA4R+Fy0u4ETZC6oLclNLqEntgtY:xo62PVOUY7/2efJDtuZ86LNtG5MipT+X
MD5 SHA1 SHA512 SSDEEP

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

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	eamrusuk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "25600"	eamrusuk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	eamrusuk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	eamrusuk.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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}\IsInstalled = "1"	eamrusuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}\StubPath = "C:\\Windows\\system32\\eamsetis.exe"	eamrusuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}	eamrusuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4F41494C-5643-4e59-4F41-494C56434e59}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a"	eamrusuk.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	eamrusuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a"	eamrusuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\eafrooxot-agoot.exe"	eamrusuk.exe

Executes dropped EXE 2 IoCs

pid	Process
3080	eamrusuk.exe
1404	eamrusuk.exe

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 = "25600"	eamrusuk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600"	eamrusuk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600"	eamrusuk.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600"	eamrusuk.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}	eamrusuk.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	eamrusuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a"	eamrusuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\efroagoof.dll"	eamrusuk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup"	eamrusuk.exe

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\eamrusuk.exe	afe18c7099a6d46e3b32b96291a45640_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\eamrusuk.exe	afe18c7099a6d46e3b32b96291a45640_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\eafrooxot-agoot.exe	eamrusuk.exe
File created	C:\Windows\SysWOW64\eamsetis.exe	eamrusuk.exe
File opened for modification	C:\Windows\SysWOW64\efroagoof.dll	eamrusuk.exe
File created	C:\Windows\SysWOW64\eafrooxot-agoot.exe	eamrusuk.exe
File opened for modification	C:\Windows\SysWOW64\eamsetis.exe	eamrusuk.exe
File created	C:\Windows\SysWOW64\efroagoof.dll	eamrusuk.exe
File opened for modification	C:\Windows\SysWOW64\eamrusuk.exe	eamrusuk.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1404	eamrusuk.exe
1404	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe
3080	eamrusuk.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3080	eamrusuk.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 3080	4664	afe18c7099a6d46e3b32b96291a45640_NeikiAnalytics.exe	91
PID 4664 wrote to memory of 3080	4664	afe18c7099a6d46e3b32b96291a45640_NeikiAnalytics.exe	91
PID 4664 wrote to memory of 3080	4664	afe18c7099a6d46e3b32b96291a45640_NeikiAnalytics.exe	91
PID 3080 wrote to memory of 1404	3080	eamrusuk.exe	92
PID 3080 wrote to memory of 1404	3080	eamrusuk.exe	92
PID 3080 wrote to memory of 1404	3080	eamrusuk.exe	92
PID 3080 wrote to memory of 616	3080	eamrusuk.exe	5
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56
PID 3080 wrote to memory of 3332	3080	eamrusuk.exe	56

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3332
- C:\Users\Admin\AppData\Local\Temp\afe18c7099a6d46e3b32b96291a45640_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\afe18c7099a6d46e3b32b96291a45640_NeikiAnalytics.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4664
- - C:\Windows\SysWOW64\eamrusuk.exe
    "C:\Windows\SysWOW64\eamrusuk.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:3080
  - - C:\Windows\SysWOW64\eamrusuk.exe
      --k33p
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      PID:1404

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=4264 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

eafrooxot-agoot.exe

Path C:\Windows\SysWOW64\eafrooxot-agoot.exe
Size 73KB
SHA256 69f4875a8de8c8c7d242658ecd8c8b4eb6eb327a6ca29b8994400c29e65bbee5
MD5 863b7ecbf571f8241bf5948b80f1dd97
SHA1 0d76a3b910ffa73c3e837923c2d6ca249086631f
SHA512 4873ed873c3d37f4a62600a9a0b765ac993440fdce8feb020f85355b7468fbd49cc10992ace5755923e1382e94fab0d21610739b11c112b7fc06de778c48f0ad
SSDEEP 1536:1P8KE3UknVTVpXd4Q2x6H5eCU8hh/Q/0ATiPGQQPWTh4g:ep37VTV5d4Q2xpIhhTA5fedj
MD5 SHA1 SHA512 SSDEEP

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eamrusuk.exe

Path C:\Windows\SysWOW64\eamrusuk.exe
Size 70KB
SHA256 328a4a2d86cbcb78ee0341c0eae08066ebf1be10f5353a39863af94f297c120b
MD5 35c1c8cc56d064934d24188e28ea13e6
SHA1 01f40f07a99b08d8604ad27cdb138bf9bef14be7
SHA512 e3fdb05bed38b6d23b3ca268a342ac2f1c099f2ee74082e7c8a185125c2060c422fde267023f36ed3bfb6e972cac2ea6700362993bf8fc6a5b2bdfd8aba3a7d0
SSDEEP 1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8sl6t:Olg35GTslA5t3/w8b
MD5 SHA1 SHA512 SSDEEP

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eamsetis.exe

Path C:\Windows\SysWOW64\eamsetis.exe
Size 72KB
SHA256 66c2f7371a307bc192ffed250c07ed52369fc4e14ee04a662c09eaddf7b75f2b
MD5 d1d6bb3e59e3ad948daa3c55447c0539
SHA1 54b7cf5227e217486437b2a4e27c422ed36806c6
SHA512 91a03396120dd080192454553aed620d829ced0f48211ff4587220c236d3a09b4e79139c78caf8cc47cb661d7c0271e1148871769ac79347f5752f9353113003
SSDEEP 1536:x5FNAlTnd+5rO0PxfXZVBZq5qYXMEJreAS:XTAlOO0Pxfznq5zX+
MD5 SHA1 SHA512 SSDEEP

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efroagoof.dll

Path C:\Windows\SysWOW64\efroagoof.dll
Size 5KB
SHA256 76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
MD5 f37b21c00fd81bd93c89ce741a88f183
SHA1 b2796500597c68e2f5638e1101b46eaf32676c1c
SHA512 252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
SSDEEP 48:6/bHgJ2GVhcus1lli4NbE2eMGjofSA8YDITcSd3MA3MMIv0BvcvXQ3:yAJ2G6Vx5EUGU6wIASdcAcHvA3
MD5 SHA1 SHA512 SSDEEP

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memory/1404-45-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/3080-29-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4664-3-0x0000000000400000-0x0000000000403000-memory.dmp

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