c4d0f3ae42ee96525f7c0b08e3e7eab28f6560c351b324b2926d0e74cd8c004c

General

Target

c4d0f3ae42ee96525f7c0b08e3e7eab28f6560c351b324b2926d0e74cd8c004c.xlsm
Size

83KB
MD5

87c6c7d48700f1d10564840e9db0ee5a
SHA1

dc4ab236d49a710ba727cc5e8e0fca7511a028e3
SHA256

c4d0f3ae42ee96525f7c0b08e3e7eab28f6560c351b324b2926d0e74cd8c004c
SHA512

c41c1282a2c1d2c7a44ec1f625a3d3ca18fa4e7fbb52261df589d78e5a3c8da35f6a2715175d56fbf368d58569a8f55695a9777ea53ca5c75ce8173f00e2dc3d

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	2264	2668	rundll32.exe	EXCEL.EXE

Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32.exe

pid process

2264 rundll32.exe
2704 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

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

System Information Discovery
T1082

pid	process
2264	rundll32.exe
2704	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Kcqlmkfmixmyjtb\nilitb.rvs	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

2668 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exe

description	pid	process	target process
PID 2668 wrote to memory of 2264	2668	EXCEL.EXE	rundll32.exe
PID 2668 wrote to memory of 2264	2668	EXCEL.EXE	rundll32.exe
PID 2668 wrote to memory of 2264	2668	EXCEL.EXE	rundll32.exe
PID 2264 wrote to memory of 2704	2264	rundll32.exe	rundll32.exe
PID 2264 wrote to memory of 2704	2264	rundll32.exe	rundll32.exe
PID 2264 wrote to memory of 2704	2264	rundll32.exe	rundll32.exe
PID 2704 wrote to memory of 3032	2704	rundll32.exe	rundll32.exe
PID 2704 wrote to memory of 3032	2704	rundll32.exe	rundll32.exe
PID 2704 wrote to memory of 3032	2704	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\c4d0f3ae42ee96525f7c0b08e3e7eab28f6560c351b324b2926d0e74cd8c004c.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2668

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:2264

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:2704

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Kcqlmkfmixmyjtb\nilitb.rvs",jTgHV
4⤵
PID:3032

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
0f1f8b89a7b572c18bb14f2ce2d2e9da

SHA1
a1620f6a8e2e68df125cace56aa260f26bbf6ac9

SHA256
86f64c6cbb58cb397befe5dfcbd8dff7b9d841c344609798150ece4fc2d67abe

SHA512
a76e24a4f838b11358287e275e8a9d9da828acccc42f8798210e7fd17d7d8cdaf3328a83da99220ec836c484a17c9dcd48e31fecff2448b47e4f50b444c055b0

Download Submit
\Users\Admin\adi.ocx

MD5
0f1f8b89a7b572c18bb14f2ce2d2e9da

SHA1
a1620f6a8e2e68df125cace56aa260f26bbf6ac9

SHA256
86f64c6cbb58cb397befe5dfcbd8dff7b9d841c344609798150ece4fc2d67abe

SHA512
a76e24a4f838b11358287e275e8a9d9da828acccc42f8798210e7fd17d7d8cdaf3328a83da99220ec836c484a17c9dcd48e31fecff2448b47e4f50b444c055b0

Download Submit
\Users\Admin\adi.ocx

MD5
0f1f8b89a7b572c18bb14f2ce2d2e9da

SHA1
a1620f6a8e2e68df125cace56aa260f26bbf6ac9

SHA256
86f64c6cbb58cb397befe5dfcbd8dff7b9d841c344609798150ece4fc2d67abe

SHA512
a76e24a4f838b11358287e275e8a9d9da828acccc42f8798210e7fd17d7d8cdaf3328a83da99220ec836c484a17c9dcd48e31fecff2448b47e4f50b444c055b0

Download Submit
memory/2264-256-0x0000000000000000-mapping.dmp

Download
memory/2264-264-0x0000000003030000-0x000000000317A000-memory.dmp

Filesize
1.3MB

Download
memory/2668-119-0x00007FF893410000-0x00007FF893420000-memory.dmp

Filesize
64KB

Download
memory/2668-121-0x0000017EEE0A0000-0x0000017EEE0A2000-memory.dmp

Filesize
8KB

Download
memory/2668-122-0x0000017EEE0A0000-0x0000017EEE0A2000-memory.dmp

Filesize
8KB

Download
memory/2668-120-0x0000017EEE0A0000-0x0000017EEE0A2000-memory.dmp

Filesize
8KB

Download
memory/2668-115-0x00007FF893410000-0x00007FF893420000-memory.dmp

Filesize
64KB

Download
memory/2668-118-0x00007FF893410000-0x00007FF893420000-memory.dmp

Filesize
64KB

Download
memory/2668-117-0x00007FF893410000-0x00007FF893420000-memory.dmp

Filesize
64KB

Download
memory/2668-116-0x00007FF893410000-0x00007FF893420000-memory.dmp

Filesize
64KB

Download
memory/2704-265-0x0000000000000000-mapping.dmp

Download
memory/2704-267-0x0000000003320000-0x0000000003349000-memory.dmp

Filesize
164KB

Download
memory/3032-268-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads