3a542a37153a44e0f77531e7a1cb7ae5bf66fa99b230725203e21c1e429aec05

General

Target

曹/新型煤化工调研表（北元化工）.xls
Size

108KB
MD5

7a6a6082abf0cbc5d3ea006b9f0c5897
SHA1

e78b0d6bd93f8e91e7e721d598f89d70870aa033
SHA256

fe4b9bf7a264eeeb984bc12f2e3c66eaea0b7ac052ec4f32516268aa73b3172f
SHA512

16fabb6c2bb3dbbe5d6b0defd63cead3e79fa13c00313540bc59458d29461c26c922eccce32c08b3651867c6031cc4fda76de82b24e3f42c32d206e8ba0c63ba
SSDEEP

3072:OD0l6Nc7yRzs1H75wkZUgsQ6NqTBun5o5PxWVbrzQ7I3kZYjhJtXwXK:vl6Nc7yRzs1H75wkZUgsQ6NqTBun5oBk

Score

10^/10

macro xlm

Malware Config

Signatures

Process spawned unexpected child process 3 IoCs

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

Processes:

cmd.execmd.execmd.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	3304	4052	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4872	4052	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4908	4052	cmd.exe	EXCEL.EXE

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\曹\新型煤化工调研表（北元化工）.xls	office_xlm_macros

Deletes itself 1 IoCs

Processes:

EXCEL.EXE

pid process

4052 EXCEL.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\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\曹\5B475E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4052 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\曹\5B475E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4052	EXCEL.EXE
4052	EXCEL.EXE
4052	EXCEL.EXE
4052	EXCEL.EXE
4052	EXCEL.EXE
4052	EXCEL.EXE
4052	EXCEL.EXE
4052	EXCEL.EXE
4052	EXCEL.EXE
4052	EXCEL.EXE
4052	EXCEL.EXE
4052	EXCEL.EXE
4052	EXCEL.EXE
4052	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4052 wrote to memory of 4908	4052	EXCEL.EXE	cmd.exe
PID 4052 wrote to memory of 4908	4052	EXCEL.EXE	cmd.exe
PID 4052 wrote to memory of 4872	4052	EXCEL.EXE	cmd.exe
PID 4052 wrote to memory of 4872	4052	EXCEL.EXE	cmd.exe
PID 4052 wrote to memory of 3304	4052	EXCEL.EXE	cmd.exe
PID 4052 wrote to memory of 3304	4052	EXCEL.EXE	cmd.exe
PID 4908 wrote to memory of 3612	4908	cmd.exe	attrib.exe
PID 4908 wrote to memory of 3612	4908	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

3612 attrib.exe

pid	process
3612	attrib.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\曹\新型煤化工调研表（北元化工）.xls"
1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4052

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4908

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:3612

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
PID:4872

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
PID:3304

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\曹\新型煤化工调研表（北元化工）.xls
Filesize
130KB

MD5
eb06301a7f539b6cf461194371846f40

SHA1
463732eec9f1e9581709cccbe401d8db77f641ea

SHA256
860f815bf44ff51cae1233b11261d5915e08df70b324d2266296d1c89f385030

SHA512
90bd66ece8154db9301dcb07911c2f3b92c8a30e7c7e505972185d037fd9a441b0ef314599514d5fbdb013436818705162387e37ecf91c5eefa64d77f9df4cff

Download Submit
memory/4052-43-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-137-0x00007FFF65DD0000-0x00007FFF65DE0000-memory.dmp

Filesize
64KB

Download
memory/4052-1-0x00007FFF65DD0000-0x00007FFF65DE0000-memory.dmp

Filesize
64KB

Download
memory/4052-47-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-4-0x00007FFF65DD0000-0x00007FFF65DE0000-memory.dmp

Filesize
64KB

Download
memory/4052-6-0x00007FFF65DD0000-0x00007FFF65DE0000-memory.dmp

Filesize
64KB

Download
memory/4052-7-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-8-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-9-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-11-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-10-0x00007FFF63570000-0x00007FFF63580000-memory.dmp

Filesize
64KB

Download
memory/4052-13-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-12-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-14-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-16-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-15-0x00007FFF63570000-0x00007FFF63580000-memory.dmp

Filesize
64KB

Download
memory/4052-18-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-56-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-19-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-20-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-34-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-0-0x00007FFF65DD0000-0x00007FFF65DE0000-memory.dmp

Filesize
64KB

Download
memory/4052-5-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-2-0x00007FFF65DD0000-0x00007FFF65DE0000-memory.dmp

Filesize
64KB

Download
memory/4052-17-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-60-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-64-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-70-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-71-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-75-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-3-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-109-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download
memory/4052-112-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-113-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-114-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-115-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-116-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-117-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-118-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-119-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-134-0x00007FFF65DD0000-0x00007FFF65DE0000-memory.dmp

Filesize
64KB

Download
memory/4052-135-0x00007FFF65DD0000-0x00007FFF65DE0000-memory.dmp

Filesize
64KB

Download
memory/4052-136-0x00007FFF65DD0000-0x00007FFF65DE0000-memory.dmp

Filesize
64KB

Download
memory/4052-53-0x000001C50E9A0000-0x000001C50F970000-memory.dmp

Filesize
15.8MB

Download
memory/4052-138-0x00007FFFA5D50000-0x00007FFFA5F45000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads