5428b3dffd1b56290c79d25dc6836d9c2e2f1a8558f974ca7b53941eba818c10

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 06:08

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General

Target

09bfe411ae0dae8d0d30e10cb69b2290N.exe
Size

119KB
MD5

09bfe411ae0dae8d0d30e10cb69b2290
SHA1

d2d787794bfc3204318e58e16d6a3a25c4c53798
SHA256

5428b3dffd1b56290c79d25dc6836d9c2e2f1a8558f974ca7b53941eba818c10
SHA512

a168df83eaa8cb9aa187b2202a401c4e43ca5d0227686d7b29c0d9301aa12fe4d7c969bd524b51bbf5ef70f2de917ee9641b2f587b15d42a1a95d4c9c56bd130
SSDEEP

3072:NOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPh:NIs9OKofHfHTXQLzgvnzHPowYbvrjD/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/0x0008000000016d29-10.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
2244	ctfmen.exe
2936	smnss.exe

Loads dropped DLL 9 IoCs

pid	Process
2536	09bfe411ae0dae8d0d30e10cb69b2290N.exe
2536	09bfe411ae0dae8d0d30e10cb69b2290N.exe
2536	09bfe411ae0dae8d0d30e10cb69b2290N.exe
2244	ctfmen.exe
2244	ctfmen.exe
2936	smnss.exe
2640	WerFault.exe
2640	WerFault.exe
2640	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"	09bfe411ae0dae8d0d30e10cb69b2290N.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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	09bfe411ae0dae8d0d30e10cb69b2290N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	09bfe411ae0dae8d0d30e10cb69b2290N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\1	09bfe411ae0dae8d0d30e10cb69b2290N.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

Drops file in System32 directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\smnss.exe	09bfe411ae0dae8d0d30e10cb69b2290N.exe
File created	C:\Windows\SysWOW64\satornas.dll	09bfe411ae0dae8d0d30e10cb69b2290N.exe
File opened for modification	C:\Windows\SysWOW64\satornas.dll	09bfe411ae0dae8d0d30e10cb69b2290N.exe
File created	C:\Windows\SysWOW64\smnss.exe	smnss.exe
File opened for modification	C:\Windows\SysWOW64\ctfmen.exe	09bfe411ae0dae8d0d30e10cb69b2290N.exe
File created	C:\Windows\SysWOW64\shervans.dll	09bfe411ae0dae8d0d30e10cb69b2290N.exe
File created	C:\Windows\SysWOW64\grcopy.dll	09bfe411ae0dae8d0d30e10cb69b2290N.exe
File opened for modification	C:\Windows\SysWOW64\shervans.dll	09bfe411ae0dae8d0d30e10cb69b2290N.exe
File created	C:\Windows\SysWOW64\ctfmen.exe	09bfe411ae0dae8d0d30e10cb69b2290N.exe
File opened for modification	C:\Windows\SysWOW64\grcopy.dll	09bfe411ae0dae8d0d30e10cb69b2290N.exe
File created	C:\Windows\SysWOW64\zipfi.dll	smnss.exe
File created	C:\Windows\SysWOW64\zipfiaq.dll	smnss.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Lang\tk.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\uz-cyrl.txt	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\ipscat.xml	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\Java\jdk1.7.0_80\jre\THIRDPARTYLICENSEREADME-JAVAFX.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\bn.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\is.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\mng2.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\nl.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\base_jpn.xml	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\7-Zip\History.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\es.txt	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\kaa.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sw.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\uz.txt	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\Common Files\Microsoft Shared\ink\fsdefinitions\osknumpad.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipsesp.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\tg.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipshrv.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\sr-spl.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\Common Files\Microsoft Shared\ink\ipsdeu.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\Common Files\Microsoft Shared\ink\ipssrl.xml	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\it.txt	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\server\Xusage.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ar.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eu.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\he.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pt-br.txt	smnss.exe
File opened for modification	C:\Program Files\BackupProtect.htm	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\ipscht.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\va.txt	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\Common Files\Microsoft Shared\ink\fsdefinitions\web.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\Common Files\Microsoft Shared\ink\ipsnld.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\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\ja.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\pl.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sa.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\lt.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ta.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\auxpad.xml	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\Common Files\Microsoft Shared\ink\ipsplk.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\Bears.htm	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\7-Zip\Lang\yo.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\ipsptg.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ca.txt	smnss.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2640	2936	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	09bfe411ae0dae8d0d30e10cb69b2290N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ctfmen.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	smnss.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	09bfe411ae0dae8d0d30e10cb69b2290N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	09bfe411ae0dae8d0d30e10cb69b2290N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}	09bfe411ae0dae8d0d30e10cb69b2290N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll"	09bfe411ae0dae8d0d30e10cb69b2290N.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	09bfe411ae0dae8d0d30e10cb69b2290N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2936	smnss.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2244	2536	09bfe411ae0dae8d0d30e10cb69b2290N.exe	30
PID 2536 wrote to memory of 2244	2536	09bfe411ae0dae8d0d30e10cb69b2290N.exe	30
PID 2536 wrote to memory of 2244	2536	09bfe411ae0dae8d0d30e10cb69b2290N.exe	30
PID 2536 wrote to memory of 2244	2536	09bfe411ae0dae8d0d30e10cb69b2290N.exe	30
PID 2244 wrote to memory of 2936	2244	ctfmen.exe	31
PID 2244 wrote to memory of 2936	2244	ctfmen.exe	31
PID 2244 wrote to memory of 2936	2244	ctfmen.exe	31
PID 2244 wrote to memory of 2936	2244	ctfmen.exe	31
PID 2936 wrote to memory of 2640	2936	smnss.exe	33
PID 2936 wrote to memory of 2640	2936	smnss.exe	33
PID 2936 wrote to memory of 2640	2936	smnss.exe	33
PID 2936 wrote to memory of 2640	2936	smnss.exe	33

C:\Users\Admin\AppData\Local\Temp\09bfe411ae0dae8d0d30e10cb69b2290N.exe
"C:\Users\Admin\AppData\Local\Temp\09bfe411ae0dae8d0d30e10cb69b2290N.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:2536
- 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:2244
- - 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:2936
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 828
      4⤵
      Loads dropped DLL
      Program crash
      PID:2640

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

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Downloads

C:\Windows\SysWOW64\satornas.dll

Filesize
183B

MD5
12e5bdf7471e8bbf9e2a255ee410aedc

SHA1
bfecc8640651edb6bd5338f0dfd85bded5fa4861

SHA256
b284955f0c99834f57e033bd7d1a8c124a284d27f71e23c6a78b483313d68c67

SHA512
c4024b17cdf5300d5274fedbb913fc78c81bb299ee2c958ed131fe49b7ba548e28bd568029234b5db63142ac3bc9a2fbcf282e118c90a7a9721b057b706ec5dd

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

Filesize
119KB

MD5
776a77bdf56fd3335f977dc9394e8bbc

SHA1
57a2de8fb77313fcac33c653d8282fb8a0496b13

SHA256
50f853374a368956c0154fb7867f4b5ab4d7001799716b9f393da089d535b233

SHA512
851f7218ed142d80b5949c11feed779d17bf5166d97415677ff3c37a0076c42212abe166123e99bf7f7b8e194a67f7718b8ef0098a6f4e569d0d71ff4a8c513e

Download Submit
\Windows\SysWOW64\ctfmen.exe

Filesize
4KB

MD5
ebb3bb4b054b80d48fb6020f24cb16a7

SHA1
7ac5aa34b7a446841abd9d61f8700c086d74e6be

SHA256
b5cd34b036eb1ac1dbc7cf44afe74d147b31a2e092c7b9a0c6d9680188d18c34

SHA512
cd963d57483effcd8483e79007d184d6cbd5a54a3555bf0ed793363454400c4c70cbf406ae31c22a2be5e7a6c4865aab78d40bd952d0da015af56fdea0ac4507

Download Submit
\Windows\SysWOW64\shervans.dll

Filesize
8KB

MD5
a08715c7374193e3335372b0e77eea81

SHA1
58ad1c8496cfe4eacbdb3771d5d7fd91d15a92f0

SHA256
86bff38bbe01c6f9186380f2a9508baac9eae6d84b2db74b930e509fade2ebf6

SHA512
9ec41a361e55168425867d0c72c15e6afc6fe8c1dedffab5d70d02797290abe6a6f429183e2437de1fe77f5953b0de10161c5d30c288732d75850c123f71d771

Download Submit
memory/2244-34-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2244-27-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2244-29-0x0000000000320000-0x0000000000340000-memory.dmp

Filesize
128KB

Download
memory/2536-25-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/2536-24-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2536-0-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2536-12-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/2936-40-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/2936-45-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2936-46-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads