5c2972a5491e6d8209aa42964c99ad4f8621686005fbc5e1836b4b18d165a888

General

Target

5c2972a5491e6d8209aa42964c99ad4f8621686005fbc5e1836b4b18d165a888.xls
Size

113KB
MD5

7b10abef408978ea69c704e29e2e797a
SHA1

d5cec5db6eacae468496669bb602195e1d5b5cbd
SHA256

5c2972a5491e6d8209aa42964c99ad4f8621686005fbc5e1836b4b18d165a888
SHA512

ca797e6b8bb612dd4e94c36cf7f8f846014ec2b4884949c9b4d9e2901273930a0c5fc3a82ad0135226886e1e266f0afff4b051fe9a4fb8d018d4526e15c38a02

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://ordinateur.ogivart.us/editor/Qpo7OAOnbe/

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2064	2720	rundll32.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

40 3192 rundll32.exe
Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32.exe

pid process

2064 rundll32.exe
3988 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Lcdji\ldrndzcqoqx.gog rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	pid	process
40	3192	rundll32.exe

pid	process
2064	rundll32.exe
3988	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Lcdji\ldrndzcqoqx.gog	rundll32.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2720 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

3192 rundll32.exe
3192 rundll32.exe

pid	process
3192	rundll32.exe
3192	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 2720 wrote to memory of 2064	2720	EXCEL.EXE	rundll32.exe
PID 2720 wrote to memory of 2064	2720	EXCEL.EXE	rundll32.exe
PID 2720 wrote to memory of 2064	2720	EXCEL.EXE	rundll32.exe
PID 2064 wrote to memory of 3988	2064	rundll32.exe	rundll32.exe
PID 2064 wrote to memory of 3988	2064	rundll32.exe	rundll32.exe
PID 2064 wrote to memory of 3988	2064	rundll32.exe	rundll32.exe
PID 3988 wrote to memory of 3672	3988	rundll32.exe	rundll32.exe
PID 3988 wrote to memory of 3672	3988	rundll32.exe	rundll32.exe
PID 3988 wrote to memory of 3672	3988	rundll32.exe	rundll32.exe
PID 3672 wrote to memory of 3192	3672	rundll32.exe	rundll32.exe
PID 3672 wrote to memory of 3192	3672	rundll32.exe	rundll32.exe
PID 3672 wrote to memory of 3192	3672	rundll32.exe	rundll32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\5c2972a5491e6d8209aa42964c99ad4f8621686005fbc5e1836b4b18d165a888.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SysWow64\rundll32.exe
  C:\Windows\SysWow64\rundll32.exe ..\sun.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\sun.ocx",DllRegisterServer
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:3988
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Lcdji\ldrndzcqoqx.gog",fgbjTW
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3672
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Lcdji\ldrndzcqoqx.gog",DllRegisterServer
        5⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3192

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\sun.ocx

MD5
4fceac59045bbff2493ea98b65bc1073

SHA1
49fa045a5517f528abd00bf02fda1f5a9e059520

SHA256
8b9052c872e85aaeee6bbe9486b7c1602a922b1f3ed6e2c0f36e82435b257dfb

SHA512
3ca833a7805581a0087fcd63213ba8f5e2b1e630aa1cbbaf5f8a194d6ad560302f7af122d3a313e8fed33b87adc0938cf2a335a513530becb1175f8db4b753fa

Download Submit
\Users\Admin\sun.ocx

MD5
4fceac59045bbff2493ea98b65bc1073

SHA1
49fa045a5517f528abd00bf02fda1f5a9e059520

SHA256
8b9052c872e85aaeee6bbe9486b7c1602a922b1f3ed6e2c0f36e82435b257dfb

SHA512
3ca833a7805581a0087fcd63213ba8f5e2b1e630aa1cbbaf5f8a194d6ad560302f7af122d3a313e8fed33b87adc0938cf2a335a513530becb1175f8db4b753fa

Download Submit
\Users\Admin\sun.ocx

MD5
4fceac59045bbff2493ea98b65bc1073

SHA1
49fa045a5517f528abd00bf02fda1f5a9e059520

SHA256
8b9052c872e85aaeee6bbe9486b7c1602a922b1f3ed6e2c0f36e82435b257dfb

SHA512
3ca833a7805581a0087fcd63213ba8f5e2b1e630aa1cbbaf5f8a194d6ad560302f7af122d3a313e8fed33b87adc0938cf2a335a513530becb1175f8db4b753fa

Download Submit
memory/2064-259-0x0000000000000000-mapping.dmp

Download
memory/2720-119-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp

Filesize
64KB

Download
memory/2720-121-0x000001CFCAFB0000-0x000001CFCAFB2000-memory.dmp

Filesize
8KB

Download
memory/2720-122-0x000001CFCAFB0000-0x000001CFCAFB2000-memory.dmp

Filesize
8KB

Download
memory/2720-123-0x000001CFCAFB0000-0x000001CFCAFB2000-memory.dmp

Filesize
8KB

Download
memory/2720-120-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp

Filesize
64KB

Download
memory/2720-116-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp

Filesize
64KB

Download
memory/2720-118-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp

Filesize
64KB

Download
memory/2720-117-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp

Filesize
64KB

Download
memory/3192-282-0x0000000000000000-mapping.dmp

Download
memory/3672-277-0x0000000000000000-mapping.dmp

Download
memory/3988-264-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads