ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 03:10

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General

Target

ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
Size

119KB
MD5

3b2f08bc789e781ee3d8fe7a0ae08ac2
SHA1

94553170748da35a663b501b7852cfc9ef525160
SHA256

ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79
SHA512

f3b60537555b74a7719c6e6a742e9d1585e0c93620be88e2b5ca24476284b41f54919670df64b6ee1d002092b0c3699890f496187b5e713f9262009046ce8990
SSDEEP

3072:mOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPh:mIs9OKofHfHTXQLzgvnzHPowYbvrjD/E

Score

7^/10

discovery persistence

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0008000000016d15-10.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
2916	ctfmen.exe
2540	smnss.exe

Loads dropped DLL 9 IoCs

pid	Process
1688	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
1688	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
1688	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
2916	ctfmen.exe
2916	ctfmen.exe
2540	smnss.exe
2776	WerFault.exe
2776	WerFault.exe
2776	WerFault.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"	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.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\0	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\1	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.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
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\1	smnss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\smnss.exe	smnss.exe
File created	C:\Windows\SysWOW64\ctfmen.exe	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
File opened for modification	C:\Windows\SysWOW64\grcopy.dll	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
File opened for modification	C:\Windows\SysWOW64\shervans.dll	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
File created	C:\Windows\SysWOW64\smnss.exe	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
File created	C:\Windows\SysWOW64\satornas.dll	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
File created	C:\Windows\SysWOW64\zipfi.dll	smnss.exe
File created	C:\Windows\SysWOW64\zipfiaq.dll	smnss.exe
File opened for modification	C:\Windows\SysWOW64\ctfmen.exe	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
File created	C:\Windows\SysWOW64\shervans.dll	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
File created	C:\Windows\SysWOW64\grcopy.dll	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
File opened for modification	C:\Windows\SysWOW64\satornas.dll	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Lang\el.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\gl.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lij.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mn.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipsjpn.xml	smnss.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\Filters.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ba.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\be.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\da.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sl.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\keypad\kor-kor.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\keypad.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ky.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\uk.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\readme.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipsdan.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\Shades of Blue.htm	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\io.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\numbers.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipskor.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipsptg.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\THIRDPARTYLICENSEREADME-JAVAFX.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\zh-cn.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\Common Files\Microsoft Shared\ink\fsdefinitions\keypad\keypadbase.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\symbols.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipscsy.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipsen.xml	smnss.exe
File opened for modification	C:\Program Files\Internet Explorer\Timeline.cpu.xml	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\ug.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipsplk.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fr.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ms.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\th.txt	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\mk.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_altgr.xml	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\fsdefinitions\web\webbase.xml	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\hu.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\kaa.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\tt.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\fsdefinitions\main.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipscat.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\jvm.hprof.txt	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\THIRDPARTYLICENSEREADME.txt	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\cy.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eo.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\id.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\oskmenu.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\ipsnld.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\History.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipssrb.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\it.txt	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\yo.txt	smnss.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2776	2540	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	smnss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ctfmen.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll"	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.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	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	smnss.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2916	1688	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe	30
PID 1688 wrote to memory of 2916	1688	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe	30
PID 1688 wrote to memory of 2916	1688	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe	30
PID 1688 wrote to memory of 2916	1688	ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe	30
PID 2916 wrote to memory of 2540	2916	ctfmen.exe	31
PID 2916 wrote to memory of 2540	2916	ctfmen.exe	31
PID 2916 wrote to memory of 2540	2916	ctfmen.exe	31
PID 2916 wrote to memory of 2540	2916	ctfmen.exe	31
PID 2540 wrote to memory of 2776	2540	smnss.exe	32
PID 2540 wrote to memory of 2776	2540	smnss.exe	32
PID 2540 wrote to memory of 2776	2540	smnss.exe	32
PID 2540 wrote to memory of 2776	2540	smnss.exe	32

C:\Users\Admin\AppData\Local\Temp\ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe
"C:\Users\Admin\AppData\Local\Temp\ce59d5f6ebd7f3bf8fb1c1e5ca48b295812510071b26b5a8cd5367e910332e79.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\ctfmen.exe
  ctfmen.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2916
- - 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
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2540
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 832
      4⤵
      Loads dropped DLL
      Program crash
      PID:2776

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\satornas.dll

Filesize
183B

MD5
87971fe814b66ee2c46f69e75f3ba751

SHA1
b742059bddc204120cd2222ad3c7b88f485c4df8

SHA256
d58ee365549acf851bf30fe0b211d54aed0cb7f737ba0ce164e92f9a001f8f3c

SHA512
135406326ba0c2b8b4d6534bfc932e88d7bf45b6b45c575b1f76ccd759f9c93f5fcf0a185382be933a295f5d02732971f1b2c65a043474ae73a36c3398a67766

Download Submit
\Windows\SysWOW64\ctfmen.exe

Filesize
4KB

MD5
46274195d527a70deaad7b7e853d413d

SHA1
75404041cf54273561ad84749ec46db644acaaa1

SHA256
2b18386b545867c46a6d396a3cc9b57ab9f39a3c7bcd5c179b3a97112bbbed19

SHA512
6fba5946866d5f93f926e8275f4a1a7a62ee6870c284ea71ef1a8827df7b153b07d6f6887604935d22281277c93b2aaa740b310d22cfc1fb80b81cb5e2e83e4e

Download Submit
\Windows\SysWOW64\shervans.dll

Filesize
8KB

MD5
1056e57724bb9c9a7f5c4ce3bd2092cd

SHA1
33eb7d4831d6c8f8ef1e4275b54704bd8f3dc8c5

SHA256
5671f8e9e9f1b362b466aecd0e6bee7448ba2d68ac57cd3b0c6ba367e9a6f5c9

SHA512
bb692081b59604c5385ee1dce3576f536f1038d1faf3efd675b06d52a74dd5669cf06db1b59d96a4ac38749fd9c1a1653b7a9ce4ad96c45e2d79a7cc84b44bd1

Download Submit
\Windows\SysWOW64\smnss.exe

Filesize
119KB

MD5
8c4fe5581b669f899cf6005065c9393b

SHA1
e0c0788b065b7226cce4050057db58428acef921

SHA256
a19f465a64e950fb9a65130efa18a2cd23a8d7e38535cede660d7e77148d7d98

SHA512
4e7c2b5ab414ae54832b9cf3f9471286a2711efee2245aab90f398fdff60d3ca96b12e33e5f0529d31af77c84d7e3d0a9c618ca91e9c861174d418b6f96d579c

Download Submit
memory/1688-27-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/1688-0-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1688-26-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1688-18-0x00000000003C0000-0x00000000003C9000-memory.dmp

Filesize
36KB

Download
memory/1688-12-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/2540-34-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2540-44-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/2540-45-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2916-28-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads