4ad49903ce2436cf77cb3fb133762d3a3d38e8161b3a4c0a0aee2f789f2602f9

General

Target

4ad49903ce2436cf77cb3fb133762d3a3d38e8161b3a4c0a0aee2f789f2602f9.xlsm
Size

83KB
MD5

05a4c6dc200a00cb21036d82d13f0417
SHA1

e9448848828a936fa22acdd61f4edf4ee0bcb9f2
SHA256

4ad49903ce2436cf77cb3fb133762d3a3d38e8161b3a4c0a0aee2f789f2602f9
SHA512

e377feed73675b0f6e255249eea1adb456cf4a9ebe96383cd2fab901b615fc20e084fc50e86f55733c1a1d98cc8f44dd5e17f5b2879520938fd047ec7ad85257

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	1720	2060	rundll32.exe	EXCEL.EXE

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

36 2480 rundll32.exe
37 2480 rundll32.exe
Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32.exe

pid process

1720 rundll32.exe
3012 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Qcgaon\qrzyqkjq.vts 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
36	2480	rundll32.exe
37	2480	rundll32.exe

pid	process
1720	rundll32.exe
3012	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Qcgaon\qrzyqkjq.vts	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

2060 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

2480 rundll32.exe
2480 rundll32.exe

pid	process
2480	rundll32.exe
2480	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE
2060	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 2060 wrote to memory of 1720	2060	EXCEL.EXE	rundll32.exe
PID 2060 wrote to memory of 1720	2060	EXCEL.EXE	rundll32.exe
PID 2060 wrote to memory of 1720	2060	EXCEL.EXE	rundll32.exe
PID 1720 wrote to memory of 3012	1720	rundll32.exe	rundll32.exe
PID 1720 wrote to memory of 3012	1720	rundll32.exe	rundll32.exe
PID 1720 wrote to memory of 3012	1720	rundll32.exe	rundll32.exe
PID 3012 wrote to memory of 1476	3012	rundll32.exe	rundll32.exe
PID 3012 wrote to memory of 1476	3012	rundll32.exe	rundll32.exe
PID 3012 wrote to memory of 1476	3012	rundll32.exe	rundll32.exe
PID 1476 wrote to memory of 2480	1476	rundll32.exe	rundll32.exe
PID 1476 wrote to memory of 2480	1476	rundll32.exe	rundll32.exe
PID 1476 wrote to memory of 2480	1476	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\4ad49903ce2436cf77cb3fb133762d3a3d38e8161b3a4c0a0aee2f789f2602f9.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2060

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:1720

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:3012

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Qcgaon\qrzyqkjq.vts",Dcvm
4⤵
- Suspicious use of WriteProcessMemory
PID:1476

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Qcgaon\qrzyqkjq.vts",DllRegisterServer
5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:2480

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/1476-278-0x0000000000000000-mapping.dmp

Download
memory/1720-258-0x0000000000000000-mapping.dmp

Download
memory/2060-119-0x0000028257670000-0x0000028257672000-memory.dmp

Filesize
8KB

Download
memory/2060-121-0x0000028257670000-0x0000028257672000-memory.dmp

Filesize
8KB

Download
memory/2060-123-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download
memory/2060-128-0x00007FFFB4270000-0x00007FFFB4280000-memory.dmp

Filesize
64KB

Download
memory/2060-129-0x00007FFFB4270000-0x00007FFFB4280000-memory.dmp

Filesize
64KB

Download
memory/2060-120-0x0000028257670000-0x0000028257672000-memory.dmp

Filesize
8KB

Download
memory/2060-115-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download
memory/2060-118-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download
memory/2060-117-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download
memory/2060-116-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp

Filesize
64KB

Download
memory/2480-285-0x0000000000000000-mapping.dmp

Download
memory/3012-263-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads