d22b1ed4ea99f7ad304a62fa6fa6755831c212f00508bd84b500904f99a1f766

General

Target

d22b1ed4ea99f7ad304a62fa6fa6755831c212f00508bd84b500904f99a1f766.xlsm
Size

83KB
MD5

81f096a1311f607e104703d7784dc901
SHA1

e2c118a41b58aa29787d32c35048400f1bffd805
SHA256

d22b1ed4ea99f7ad304a62fa6fa6755831c212f00508bd84b500904f99a1f766
SHA512

bf7eb30e8997668ec9d19bd16c4a05c0e1352fd1de1699d18768e591fcf2d07a832b39c9d8addca66015bc117f97411fc53dc251bc090c1864239e150ae270e7

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://unifiedpharma.com/wp-admin/ildi5K2aTIrdvEobQ/

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	3276	2564	rundll32.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

43 3856 rundll32.exe
Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32.exe

pid process

3276 rundll32.exe
3648 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Smuabtkuppranajb\jkacliza.yzg 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
43	3856	rundll32.exe

pid	process
3276	rundll32.exe
3648	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Smuabtkuppranajb\jkacliza.yzg	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2564 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

3856 rundll32.exe
3856 rundll32.exe

pid	process
3856	rundll32.exe
3856	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE
2564	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 2564 wrote to memory of 3276	2564	EXCEL.EXE	rundll32.exe
PID 2564 wrote to memory of 3276	2564	EXCEL.EXE	rundll32.exe
PID 2564 wrote to memory of 3276	2564	EXCEL.EXE	rundll32.exe
PID 3276 wrote to memory of 3648	3276	rundll32.exe	rundll32.exe
PID 3276 wrote to memory of 3648	3276	rundll32.exe	rundll32.exe
PID 3276 wrote to memory of 3648	3276	rundll32.exe	rundll32.exe
PID 3648 wrote to memory of 2076	3648	rundll32.exe	rundll32.exe
PID 3648 wrote to memory of 2076	3648	rundll32.exe	rundll32.exe
PID 3648 wrote to memory of 2076	3648	rundll32.exe	rundll32.exe
PID 2076 wrote to memory of 3856	2076	rundll32.exe	rundll32.exe
PID 2076 wrote to memory of 3856	2076	rundll32.exe	rundll32.exe
PID 2076 wrote to memory of 3856	2076	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\d22b1ed4ea99f7ad304a62fa6fa6755831c212f00508bd84b500904f99a1f766.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Windows\SysWow64\rundll32.exe
  C:\Windows\SysWow64\rundll32.exe ..\adi.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3276
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\adi.ocx",DllRegisterServer
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:3648
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Smuabtkuppranajb\jkacliza.yzg",EmQvIOnCDesvNxn
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2076
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Smuabtkuppranajb\jkacliza.yzg",DllRegisterServer
        5⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3856

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\adi.ocx

MD5
4b9c449d1cb0edbf166c2b138a8c9249

SHA1
abed8779993d3d4e9d069cd5b6dcbf85174eeffb

SHA256
57f6091ef8b514de7806c727174abe2c8cc39fa6823c8cdb1b357f08ab724b7b

SHA512
c9bf507c63d97541ceb292466ba16e1e04eb1465941aa4d80ec3c08ba1cf1b63b19640e0fd68ad20f36cb79bab676c50b6d3c6f3b0f5a2c3a06f37395de52069

Download Submit
\Users\Admin\adi.ocx

MD5
4b9c449d1cb0edbf166c2b138a8c9249

SHA1
abed8779993d3d4e9d069cd5b6dcbf85174eeffb

SHA256
57f6091ef8b514de7806c727174abe2c8cc39fa6823c8cdb1b357f08ab724b7b

SHA512
c9bf507c63d97541ceb292466ba16e1e04eb1465941aa4d80ec3c08ba1cf1b63b19640e0fd68ad20f36cb79bab676c50b6d3c6f3b0f5a2c3a06f37395de52069

Download Submit
\Users\Admin\adi.ocx

MD5
4b9c449d1cb0edbf166c2b138a8c9249

SHA1
abed8779993d3d4e9d069cd5b6dcbf85174eeffb

SHA256
57f6091ef8b514de7806c727174abe2c8cc39fa6823c8cdb1b357f08ab724b7b

SHA512
c9bf507c63d97541ceb292466ba16e1e04eb1465941aa4d80ec3c08ba1cf1b63b19640e0fd68ad20f36cb79bab676c50b6d3c6f3b0f5a2c3a06f37395de52069

Download Submit
memory/2076-297-0x0000000000000000-mapping.dmp

Download
memory/2564-119-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

Filesize
64KB

Download
memory/2564-121-0x0000027343960000-0x0000027343962000-memory.dmp

Filesize
8KB

Download
memory/2564-122-0x0000027343960000-0x0000027343962000-memory.dmp

Filesize
8KB

Download
memory/2564-128-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

Filesize
64KB

Download
memory/2564-120-0x0000027343960000-0x0000027343962000-memory.dmp

Filesize
8KB

Download
memory/2564-116-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

Filesize
64KB

Download
memory/2564-118-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

Filesize
64KB

Download
memory/2564-117-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

Filesize
64KB

Download
memory/3276-273-0x0000000000000000-mapping.dmp

Download
memory/3648-282-0x0000000000000000-mapping.dmp

Download
memory/3856-302-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads