413596ab5dfcb4a8bba8384765e901c844b47932f9ed37efeba384741bafbd4c

Analysis

max time kernel
115s
max time network
40s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/08/2024, 03:33

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General

Target

3d9050839efa533762e55ab53e72adf0N.exe
Size

118KB
MD5

3d9050839efa533762e55ab53e72adf0
SHA1

7c7e1e98454a00cb2131251eb3e4c425551cf0d6
SHA256

413596ab5dfcb4a8bba8384765e901c844b47932f9ed37efeba384741bafbd4c
SHA512

bc026333136e6696162bdee3372f1f005ffe79b1b4f2873e11e815ce1528832a9c15f689ae28e82f1e37122d4c2b55e340e67c268c13da0cde99baa65ae10217
SSDEEP

3072:POjWuyt0ZsqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPb:PIs9OKofHfHTXQLzgvnzHPowYbvrjD/m

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/0x0008000000014aae-10.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
2700	ctfmen.exe
2496	smnss.exe

Loads dropped DLL 9 IoCs

pid	Process
2144	3d9050839efa533762e55ab53e72adf0N.exe
2144	3d9050839efa533762e55ab53e72adf0N.exe
2144	3d9050839efa533762e55ab53e72adf0N.exe
2700	ctfmen.exe
2700	ctfmen.exe
2496	smnss.exe
2964	WerFault.exe
2964	WerFault.exe
2964	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"	3d9050839efa533762e55ab53e72adf0N.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	3d9050839efa533762e55ab53e72adf0N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	3d9050839efa533762e55ab53e72adf0N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\1	3d9050839efa533762e55ab53e72adf0N.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 opened for modification	C:\Windows\SysWOW64\satornas.dll	3d9050839efa533762e55ab53e72adf0N.exe
File created	C:\Windows\SysWOW64\zipfi.dll	smnss.exe
File created	C:\Windows\SysWOW64\ctfmen.exe	3d9050839efa533762e55ab53e72adf0N.exe
File opened for modification	C:\Windows\SysWOW64\ctfmen.exe	3d9050839efa533762e55ab53e72adf0N.exe
File created	C:\Windows\SysWOW64\shervans.dll	3d9050839efa533762e55ab53e72adf0N.exe
File created	C:\Windows\SysWOW64\smnss.exe	3d9050839efa533762e55ab53e72adf0N.exe
File created	C:\Windows\SysWOW64\zipfiaq.dll	smnss.exe
File created	C:\Windows\SysWOW64\smnss.exe	smnss.exe
File created	C:\Windows\SysWOW64\grcopy.dll	3d9050839efa533762e55ab53e72adf0N.exe
File opened for modification	C:\Windows\SysWOW64\grcopy.dll	3d9050839efa533762e55ab53e72adf0N.exe
File opened for modification	C:\Windows\SysWOW64\shervans.dll	3d9050839efa533762e55ab53e72adf0N.exe
File created	C:\Windows\SysWOW64\satornas.dll	3d9050839efa533762e55ab53e72adf0N.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
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\ink\Alphabet.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.feature.flightrecorder_5.5.0.165303\feature.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-io.xml	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\zh-tw.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\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-editor-mimelookup.xml	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-api-annotations-common.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-api-visual.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-lib-uihandler.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\sv.txt	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\yo.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipsrom.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-modules.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-progress-ui.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-text.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lt.txt	smnss.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipssve.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.rcp_4.4.0.v20141007-2301\license.html	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-keyring.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-core-ui.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\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-core-kit.xml	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\main\base_ca.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.feature_1.1.0.v20140827-1444\epl-v10.html	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.ssl.feature_1.0.0.v20140827-1444\license.html	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.emf.common_2.10.1.v20140901-1043\feature.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-lib-profiler-ui.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-modules-profiler-api.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-compat.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-windows.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.feature.core_5.5.0.165303\feature.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-explorer.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-modules-profiler-snaptracer.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\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-awt.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-autoupdate-cli.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-settings.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ext.txt	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.feature_1.1.0.v20140827-1444\license.html	smnss.exe
File opened for modification	C:\Program Files\7-Zip\readme.txt	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.core.feature_1.3.0.v20140523-0116\epl-v10.html	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-core-multitabs.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-core-kit.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-lib-profiler-charts.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_zh_4.4.0.v20140623020002\feature.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.ssl.feature_1.0.0.v20140827-1444\feature.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-execution.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-options-api.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-queries.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-swing-outline.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\af.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\oskpred\oskpredbase.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-modules-profiler-oql.xml	smnss.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fy.txt	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.feature_1.1.0.v20140827-1444\feature.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\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.rcp.feature_1.2.0.v20140523-0116\feature.xml	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.rcp_4.4.0.v20141007-2301\epl-v10.html	smnss.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-sendopts.xml	smnss.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2964	2496	WerFault.exe	29

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	3d9050839efa533762e55ab53e72adf0N.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\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}	3d9050839efa533762e55ab53e72adf0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll"	3d9050839efa533762e55ab53e72adf0N.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	3d9050839efa533762e55ab53e72adf0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	3d9050839efa533762e55ab53e72adf0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	3d9050839efa533762e55ab53e72adf0N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	smnss.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2700	2144	3d9050839efa533762e55ab53e72adf0N.exe	28
PID 2144 wrote to memory of 2700	2144	3d9050839efa533762e55ab53e72adf0N.exe	28
PID 2144 wrote to memory of 2700	2144	3d9050839efa533762e55ab53e72adf0N.exe	28
PID 2144 wrote to memory of 2700	2144	3d9050839efa533762e55ab53e72adf0N.exe	28
PID 2700 wrote to memory of 2496	2700	ctfmen.exe	29
PID 2700 wrote to memory of 2496	2700	ctfmen.exe	29
PID 2700 wrote to memory of 2496	2700	ctfmen.exe	29
PID 2700 wrote to memory of 2496	2700	ctfmen.exe	29
PID 2496 wrote to memory of 2964	2496	smnss.exe	30
PID 2496 wrote to memory of 2964	2496	smnss.exe	30
PID 2496 wrote to memory of 2964	2496	smnss.exe	30
PID 2496 wrote to memory of 2964	2496	smnss.exe	30

C:\Users\Admin\AppData\Local\Temp\3d9050839efa533762e55ab53e72adf0N.exe
"C:\Users\Admin\AppData\Local\Temp\3d9050839efa533762e55ab53e72adf0N.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:2144
- 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:2700
- - 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:2496
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 892
      4⤵
      Loads dropped DLL
      Program crash
      PID:2964

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\grcopy.dll

Filesize
118KB

MD5
3bb0e9731988c773b2f359be3f33bdf8

SHA1
44777375078e99f7253e5cf6bddfdc1831e26895

SHA256
c2a37a0e7428b4ddc9fa46aad3139ad4da09abaefdbec4f8fa4abe451e6f78f7

SHA512
a0023382301bcf425177a9b36d2d3ed14bce18b66d73cb002efec462de7ab2f432fae81bdaa48cd1e8edb223edfc2dfaeaafd9c1a1f0e6f49430445532e2b030

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

Filesize
183B

MD5
654f8e54c81ed83bf1633965496174e5

SHA1
4e73a34607141f86fe04695550f72a5862140372

SHA256
1369f36994ae2e7cbfcf320e36a4476f563d7f60437c54a5db555faadf4dce30

SHA512
ace02f8a4ba5748c779f520dc54ce13fba747605e7840d526ecf8965fa0f202339b71d8edf7a3b30ade3e69d109e7a08ffcfb9e10a2ae81a9cb09fdc90f473ce

Download Submit
\Windows\SysWOW64\ctfmen.exe

Filesize
4KB

MD5
624679986d8d5b4a6357c16e6c65a42c

SHA1
39b0129cfa7d5be6ab4b48873d7313b27e403f64

SHA256
0cbeec527b4ed0c53383dae8036ac2075ba6bd1d60c844c654169e2f7bb3428a

SHA512
f51779a5ecaf222dd614c8f66c04accc42bbb5a315f8fcc3fcc05ffd79b977a66632566b2df3fceb2323ff3f80ed0c53233b2eb75e6929b8ab05b166b2b97595

Download Submit
\Windows\SysWOW64\shervans.dll

Filesize
8KB

MD5
9b1fab6efbf5fa34e71ea3df09692ca5

SHA1
1f7e43b98fd550deb1a9342f652955e54cf59fc3

SHA256
7f29e0029d36a8b9de0b2bacf7b22c53319aa5e7c878d9518ca6328fd07bc811

SHA512
af89103ac8b75c990d113b306d10589cb3e143a88a72e2c4399fab3a9735f96055eedfd29d48b0241528c1e22186c2b4ee6c4a52fdb944aed6dba6333368e9fa

Download Submit
memory/2144-27-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/2144-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2144-26-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2144-18-0x0000000000340000-0x0000000000349000-memory.dmp

Filesize
36KB

Download
memory/2144-12-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/2496-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2496-43-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

Download
memory/2700-28-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2700-34-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2700-31-0x0000000000320000-0x000000000033F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads