c4d0f3ae42ee96525f7c0b08e3e7eab28f6560c351b324b2926d0e74cd8c004c

General

Target

IVSG-5.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	2252	2692	rundll32.exe	EXCEL.EXE

Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32.exe

pid process

2252 rundll32.exe
1252 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Berorssbk\ptcaggzrtu.eha 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
2252	rundll32.exe
1252	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Berorssbk\ptcaggzrtu.eha	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

2692 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 2692 wrote to memory of 2252	2692	EXCEL.EXE	rundll32.exe
PID 2692 wrote to memory of 2252	2692	EXCEL.EXE	rundll32.exe
PID 2692 wrote to memory of 2252	2692	EXCEL.EXE	rundll32.exe
PID 2252 wrote to memory of 1252	2252	rundll32.exe	rundll32.exe
PID 2252 wrote to memory of 1252	2252	rundll32.exe	rundll32.exe
PID 2252 wrote to memory of 1252	2252	rundll32.exe	rundll32.exe
PID 1252 wrote to memory of 2580	1252	rundll32.exe	rundll32.exe
PID 1252 wrote to memory of 2580	1252	rundll32.exe	rundll32.exe
PID 1252 wrote to memory of 2580	1252	rundll32.exe	rundll32.exe
PID 2580 wrote to memory of 196	2580	rundll32.exe	rundll32.exe
PID 2580 wrote to memory of 196	2580	rundll32.exe	rundll32.exe
PID 2580 wrote to memory of 196	2580	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\IVSG-5.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2692

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:2252

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:1252

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Berorssbk\ptcaggzrtu.eha",mYuNvEMHQsW
4⤵
- Suspicious use of WriteProcessMemory
PID:2580

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Berorssbk\ptcaggzrtu.eha",DllRegisterServer
5⤵
PID:196

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\adi.ocx
MD5
7d54f698edaee76ebb4c87075431023c

SHA1
70544ec4ed73886433696bd522b51390548d2cbc

SHA256
06402593fe37fe22af26c694efc5c1a69a5ceb803ebc7e2fa7dc612c732ba085

SHA512
8d244544d00e61367fb7f0bfc3c4afb5b11fd747006c6e29ade9852df67214450fc7ce5b2d5da82336e5f65d5424a854ceaf691b8aec4654c0cfdb1d1adc8177

Download Submit
\Users\Admin\adi.ocx
MD5
7d54f698edaee76ebb4c87075431023c

SHA1
70544ec4ed73886433696bd522b51390548d2cbc

SHA256
06402593fe37fe22af26c694efc5c1a69a5ceb803ebc7e2fa7dc612c732ba085

SHA512
8d244544d00e61367fb7f0bfc3c4afb5b11fd747006c6e29ade9852df67214450fc7ce5b2d5da82336e5f65d5424a854ceaf691b8aec4654c0cfdb1d1adc8177

Download Submit
\Users\Admin\adi.ocx
MD5
7d54f698edaee76ebb4c87075431023c

SHA1
70544ec4ed73886433696bd522b51390548d2cbc

SHA256
06402593fe37fe22af26c694efc5c1a69a5ceb803ebc7e2fa7dc612c732ba085

SHA512
8d244544d00e61367fb7f0bfc3c4afb5b11fd747006c6e29ade9852df67214450fc7ce5b2d5da82336e5f65d5424a854ceaf691b8aec4654c0cfdb1d1adc8177

Download Submit
memory/196-269-0x0000000000000000-mapping.dmp

Download
memory/1252-267-0x00000000044F0000-0x0000000004519000-memory.dmp

Filesize
164KB

Download
memory/1252-264-0x0000000000000000-mapping.dmp

Download
memory/2252-259-0x0000000000000000-mapping.dmp

Download
memory/2252-266-0x0000000004190000-0x00000000041B9000-memory.dmp

Filesize
164KB

Download
memory/2580-268-0x0000000000000000-mapping.dmp

Download
memory/2580-270-0x00000000030E0000-0x0000000003109000-memory.dmp

Filesize
164KB

Download
memory/2692-126-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

Filesize
64KB

Download
memory/2692-114-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

Filesize
64KB

Download
memory/2692-120-0x000001F734CF0000-0x000001F734CF2000-memory.dmp

Filesize
8KB

Download
memory/2692-118-0x000001F734CF0000-0x000001F734CF2000-memory.dmp

Filesize
8KB

Download
memory/2692-119-0x000001F734CF0000-0x000001F734CF2000-memory.dmp

Filesize
8KB

Download
memory/2692-117-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

Filesize
64KB

Download
memory/2692-116-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

Filesize
64KB

Download
memory/2692-115-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads