cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5

Analysis

max time kernel
59s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/10/2022, 15:47

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General

Target

cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe
Size

108KB
MD5

a10a4bab1fd1f3576745ae0e89be5590
SHA1

55c27e117071b5ce89687bfd3769df308ec30a39
SHA256

cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5
SHA512

b3d05c27b831e1d9520eb7ccfbfe395f54b080ea445b1a4dc79152432a7f037ad68d99a6ff34e1868208ff3850d2863ad8005ed814f291eb23b63ce34ce88d70
SSDEEP

3072:3pJdnIvGLqC4xxiu6yCGmCyGyatgg5qJqY4oNB7YIKoMmC23ekcIG5GxNtWPTdF1:cGxNtWPTdFUia25vAEZQ6YYrQ/wm

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\list\C:\Windows\SysWOW64\svchost.exe = "C:\\Windows\\SysWOW64\\svchost.exe:*:Generic Host Process"	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\sharedaccess\parameters\firewallpolicy\standardprofile\authorizedapplications\list	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\list\C:\Windows\SysWOW64\msiexec.exe = "C:\\Windows\\SysWOW64\\msiexec.exe:*:Generic Host Process"	msiexec.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\sharedaccess\parameters\firewallpolicy\standardprofile\authorizedapplications\list	svchost.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\60483 = "c:\\progra~3\\dxuinug.exe"	msiexec.exe

Executes dropped EXE 2 IoCs

pid	Process
1532	dxuinug.exe
596	dxuinug.exe

Deletes itself 1 IoCs

pid	Process
1372	msiexec.exe

Loads dropped DLL 3 IoCs

pid	Process
1372	msiexec.exe
1372	msiexec.exe
1532	dxuinug.exe

Maps connected drives based on registry 3 TTPs 4 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	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	dxuinug.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	dxuinug.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1668 set thread context of 1028	1668	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	27
PID 1532 set thread context of 596	1532	dxuinug.exe	30

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	\??\c:\progra~3\dxuinug.exe	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1028	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe
596	dxuinug.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
1028	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe
1028	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe
596	dxuinug.exe
596	dxuinug.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1668	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe
1532	dxuinug.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 1028	1668	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	27
PID 1668 wrote to memory of 1028	1668	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	27
PID 1668 wrote to memory of 1028	1668	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	27
PID 1668 wrote to memory of 1028	1668	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	27
PID 1668 wrote to memory of 1028	1668	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	27
PID 1668 wrote to memory of 1028	1668	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	27
PID 1668 wrote to memory of 1028	1668	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	27
PID 1668 wrote to memory of 1028	1668	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	27
PID 1028 wrote to memory of 1372	1028	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	28
PID 1028 wrote to memory of 1372	1028	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	28
PID 1028 wrote to memory of 1372	1028	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	28
PID 1028 wrote to memory of 1372	1028	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	28
PID 1028 wrote to memory of 1372	1028	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	28
PID 1028 wrote to memory of 1372	1028	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	28
PID 1028 wrote to memory of 1372	1028	cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe	28
PID 1372 wrote to memory of 1532	1372	msiexec.exe	29
PID 1372 wrote to memory of 1532	1372	msiexec.exe	29
PID 1372 wrote to memory of 1532	1372	msiexec.exe	29
PID 1372 wrote to memory of 1532	1372	msiexec.exe	29
PID 1532 wrote to memory of 596	1532	dxuinug.exe	30
PID 1532 wrote to memory of 596	1532	dxuinug.exe	30
PID 1532 wrote to memory of 596	1532	dxuinug.exe	30
PID 1532 wrote to memory of 596	1532	dxuinug.exe	30
PID 1532 wrote to memory of 596	1532	dxuinug.exe	30
PID 1532 wrote to memory of 596	1532	dxuinug.exe	30
PID 1532 wrote to memory of 596	1532	dxuinug.exe	30
PID 1532 wrote to memory of 596	1532	dxuinug.exe	30
PID 596 wrote to memory of 576	596	dxuinug.exe	31
PID 596 wrote to memory of 576	596	dxuinug.exe	31
PID 596 wrote to memory of 576	596	dxuinug.exe	31
PID 596 wrote to memory of 576	596	dxuinug.exe	31

C:\Users\Admin\AppData\Local\Temp\cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe
"C:\Users\Admin\AppData\Local\Temp\cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Users\Admin\AppData\Local\Temp\cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe
  "C:\Users\Admin\AppData\Local\Temp\cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1028
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\SysWOW64\msiexec.exe
    3⤵
    - Modifies firewall policy service
    - Adds policy Run key to start application
    - Deletes itself
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:1372
  - - \??\c:\progra~3\dxuinug.exe
      c:\progra~3\dxuinug.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1532
    - - \??\c:\progra~3\dxuinug.exe
        
        "c:\progra~3\dxuinug.exe"
        5⤵
        Executes dropped EXE
        Maps connected drives based on registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:596
      - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\SysWOW64\svchost.exe
        6⤵
        Modifies firewall policy service
        
        PID:576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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:\PROGRA~3\dxuinug.exe

Filesize
108KB

MD5
a10a4bab1fd1f3576745ae0e89be5590

SHA1
55c27e117071b5ce89687bfd3769df308ec30a39

SHA256
cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5

SHA512
b3d05c27b831e1d9520eb7ccfbfe395f54b080ea445b1a4dc79152432a7f037ad68d99a6ff34e1868208ff3850d2863ad8005ed814f291eb23b63ce34ce88d70

Download Submit
C:\PROGRA~3\dxuinug.exe

Filesize
108KB

MD5
a10a4bab1fd1f3576745ae0e89be5590

SHA1
55c27e117071b5ce89687bfd3769df308ec30a39

SHA256
cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5

SHA512
b3d05c27b831e1d9520eb7ccfbfe395f54b080ea445b1a4dc79152432a7f037ad68d99a6ff34e1868208ff3850d2863ad8005ed814f291eb23b63ce34ce88d70

Download Submit
\??\c:\progra~3\dxuinug.exe

Filesize
108KB

MD5
a10a4bab1fd1f3576745ae0e89be5590

SHA1
55c27e117071b5ce89687bfd3769df308ec30a39

SHA256
cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5

SHA512
b3d05c27b831e1d9520eb7ccfbfe395f54b080ea445b1a4dc79152432a7f037ad68d99a6ff34e1868208ff3850d2863ad8005ed814f291eb23b63ce34ce88d70

Download Submit
\PROGRA~3\dxuinug.exe

Filesize
108KB

MD5
a10a4bab1fd1f3576745ae0e89be5590

SHA1
55c27e117071b5ce89687bfd3769df308ec30a39

SHA256
cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5

SHA512
b3d05c27b831e1d9520eb7ccfbfe395f54b080ea445b1a4dc79152432a7f037ad68d99a6ff34e1868208ff3850d2863ad8005ed814f291eb23b63ce34ce88d70

Download Submit
\PROGRA~3\dxuinug.exe

Filesize
108KB

MD5
a10a4bab1fd1f3576745ae0e89be5590

SHA1
55c27e117071b5ce89687bfd3769df308ec30a39

SHA256
cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5

SHA512
b3d05c27b831e1d9520eb7ccfbfe395f54b080ea445b1a4dc79152432a7f037ad68d99a6ff34e1868208ff3850d2863ad8005ed814f291eb23b63ce34ce88d70

Download Submit
\PROGRA~3\dxuinug.exe

Filesize
108KB

MD5
a10a4bab1fd1f3576745ae0e89be5590

SHA1
55c27e117071b5ce89687bfd3769df308ec30a39

SHA256
cbfa8f50b7f39eb6e5f2c3b47dd218338702d69c320305d532865306889cbec5

SHA512
b3d05c27b831e1d9520eb7ccfbfe395f54b080ea445b1a4dc79152432a7f037ad68d99a6ff34e1868208ff3850d2863ad8005ed814f291eb23b63ce34ce88d70

Download Submit
memory/576-83-0x000000007EFA0000-0x000000007EFA6000-memory.dmp

Filesize
24KB

Download
memory/576-82-0x000000007EFA0000-0x000000007EFA6000-memory.dmp

Filesize
24KB

Download
memory/576-81-0x00000000002E0000-0x00000000002E8000-memory.dmp

Filesize
32KB

Download
memory/1028-56-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1028-61-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1028-59-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1372-64-0x0000000000090000-0x0000000000097000-memory.dmp

Filesize
28KB

Download
memory/1372-63-0x0000000000F70000-0x0000000000F84000-memory.dmp

Filesize
80KB

Download
memory/1372-62-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/1372-65-0x000000007EFA0000-0x000000007EFA6000-memory.dmp

Filesize
24KB

Download