55907f0cbaf84764fe97d1dcc9f3230c1572010e2f424eed6976fc85b6650359

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
09/05/2024, 08:22

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General

Target

0388d914c3e63c41b73d634a2510a250_NEIKI.exe
Size

119KB
MD5

0388d914c3e63c41b73d634a2510a250
SHA1

7358323fea8ff5237af2d26a2b8dc265e793255c
SHA256

55907f0cbaf84764fe97d1dcc9f3230c1572010e2f424eed6976fc85b6650359
SHA512

ea8f3d0f09d3bd14f7c3f249cf17df1061eb1081d0cfc53710f84d73e58f1528601da4dde95ab88556529013af6a240e21ddd209eb8ca656e4aec13816871173
SSDEEP

3072:lOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPh:lIs9OKofHfHTXQLzgvnzHPowYbvrjD/E

Score

7^/10

persistence

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00090000000233e8-10.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
1808	ctfmen.exe
3132	smnss.exe

Loads dropped DLL 2 IoCs

pid	Process
1848	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
3132	smnss.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe"	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe"	smnss.exe

Maps connected drives based on registry 3 TTPs 6 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1	smnss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\1	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	smnss.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	smnss.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\satornas.dll	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
File created	C:\Windows\SysWOW64\smnss.exe	smnss.exe
File created	C:\Windows\SysWOW64\shervans.dll	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
File created	C:\Windows\SysWOW64\grcopy.dll	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
File opened for modification	C:\Windows\SysWOW64\shervans.dll	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
File created	C:\Windows\SysWOW64\smnss.exe	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
File created	C:\Windows\SysWOW64\zipfi.dll	smnss.exe
File created	C:\Windows\SysWOW64\zipfiaq.dll	smnss.exe
File created	C:\Windows\SysWOW64\ctfmen.exe	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
File opened for modification	C:\Windows\SysWOW64\ctfmen.exe	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
File opened for modification	C:\Windows\SysWOW64\grcopy.dll	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
File created	C:\Windows\SysWOW64\satornas.dll	0388d914c3e63c41b73d634a2510a250_NEIKI.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Lang\es.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ru.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sk.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sr-spc.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\uk.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsrus.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bn.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\co.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\et.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lt.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\si.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\symbase.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipshe.xml	smnss.exe
File opened for modification	C:\Program Files\dotnet\LICENSE.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bg.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\el.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ko.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\nn.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sa.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sr-spl.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\oskmenubase.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\br.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kab.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hi.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsdeu.xml	smnss.exe
File opened for modification	C:\Program Files\CheckpointFind.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\baseAltGr_rtl.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsptb.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\io.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mn.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mng2.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ja-jp.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\an.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\de.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\vi.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad\auxbase.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_ca.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad\osknumpadbase.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ast.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\th.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\osknavbase.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipssrl.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ne.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_heb.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_kor.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsita.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\gu.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pt.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\zh-tw.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\License.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\Alphabet.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-changjei.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipsnor.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lv.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ta.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pa-in.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ko-kr.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred\oskpredbase.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ja-jp-sym.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ga.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\is.txt	smnss.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1488	3132	WerFault.exe	87

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll"	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll"	smnss.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	0388d914c3e63c41b73d634a2510a250_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}	0388d914c3e63c41b73d634a2510a250_NEIKI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3132	smnss.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 1808	1848	0388d914c3e63c41b73d634a2510a250_NEIKI.exe	86
PID 1848 wrote to memory of 1808	1848	0388d914c3e63c41b73d634a2510a250_NEIKI.exe	86
PID 1848 wrote to memory of 1808	1848	0388d914c3e63c41b73d634a2510a250_NEIKI.exe	86
PID 1808 wrote to memory of 3132	1808	ctfmen.exe	87
PID 1808 wrote to memory of 3132	1808	ctfmen.exe	87
PID 1808 wrote to memory of 3132	1808	ctfmen.exe	87

C:\Users\Admin\AppData\Local\Temp\0388d914c3e63c41b73d634a2510a250_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\0388d914c3e63c41b73d634a2510a250_NEIKI.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Windows\SysWOW64\ctfmen.exe
  ctfmen.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1808
- - C:\Windows\SysWOW64\smnss.exe
    C:\Windows\system32\smnss.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - Drops file in Program Files directory
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    PID:3132
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 1380
      4⤵
      Program crash
      PID:1488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3132 -ip 3132
1⤵
PID:3640

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\ctfmen.exe

Filesize
4KB

MD5
b82348b3bba70f9eceebc29fca7c95c6

SHA1
541a45217a514393cd49c6f1a79f44c661be7b4a

SHA256
8edc881d7ae81d17a7fcd27bb658383b45fe2cdcd0cdbe5256e1ded2f497d41d

SHA512
da3287f6d89ff3e5ba7f8836eac7db6252fc93f9a0b29405f487b0bee407502f574b0f6657211041e435aa1bea8fb6f3968041a06620c28a384273f3a0949d52

Download Submit
C:\Windows\SysWOW64\grcopy.dll

Filesize
119KB

MD5
e8c85f3f389c9c46d75ac8a6161823d6

SHA1
a0b69153ac276777859daf390b6b6a6e2716aa13

SHA256
c6ff547435c3cba861d6742843f1dbac44385790b8aa3bad8e6e98855ef2e5eb

SHA512
09ce726ba46946050d9eeda3f6e8c1dff573bb7c1603b4367a6be6211a0f9932bc3993e51eccf4c0c5f67f8a9bbf6c823ef01a5d43a7040195e173b0fd5ba57a

Download Submit
C:\Windows\SysWOW64\satornas.dll

Filesize
183B

MD5
b3c24adf89d92c8653512df562268d9b

SHA1
fb55787763c550cea81adee92a87bdf75dcd0c0e

SHA256
56b5bd88db27812e9363a06fa2292d7b13b80359e1f4e472e92d44a7d573b5e7

SHA512
b4fc04cc9109d6d103e2455bcad9337e091f0ba4b581497c7f34cd68717abf1acf9dc4338bc72cb531f0360f9666bb36b6a2601882582598cb255e9f064176ee

Download Submit
C:\Windows\SysWOW64\shervans.dll

Filesize
8KB

MD5
2b082f6dba4b77ddcbcf1ed1ca6d022d

SHA1
33ef2608c7e3c77c877252f1a926ab7d6ea57579

SHA256
728bc123b45cd657940616fa36d8c4f90da07f9cf2fb033bedd2eaf8a4a5565b

SHA512
6e920f673b70b4e7c3b5c62f5757aa16d2f7b542e14bca414ea8138f23afe7f085008f5b5d8919fc3afb2788d47d4d7ebb8aa5448d3a7e1525a6b13e2d50f7fb

Download Submit
memory/1808-28-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1848-0-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1848-18-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/1848-24-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/1848-22-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3132-27-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3132-37-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/3132-39-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads