84c877324d21c0bea9ebe23c2172733fc6d6966f65c56b07885bdfef99c9d502

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-10-2024 14:20

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General

Target

11.20计划分配/11.20.水泥经营紧急计划.xls
Size

112KB
MD5

d58f5ab81cc4b60a3eacf693d36c8139
SHA1

ff244ff4f4450177c93286777aefd0735e0bde8e
SHA256

adb37be1aee1a2604e07870bd40723c006df2682d27ec018d1157b153101f189
SHA512

0cd546a877188003bba8d07c221fd7a052b9ffb1461950194ef8edf3d0ac944faa1f2b422672da256e5a855d9e8c90262d896190a6e8714c0b17aa97f6b4e1b1
SSDEEP

3072:oj1gxv7yZmspH7+cclKisPI4ukoRWGN8WVbrzQ77TkPHeNyJtXw80ek0:q1gxv7yZmspH7+cclKisPI4ukoRWGNXL

Score

10^/10

defense_evasion discovery

Malware Config

Signatures

Process spawned unexpected child process 4 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2784	1392	cmd.exe	27
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1748	1392	cmd.exe	27
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1728	1392	cmd.exe	27
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2360	1392	wscript.exe	27

Deletes itself 1 IoCs

pid	Process
1392	EXCEL.EXE

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\11.20计划分配\CC567F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1392	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1392	EXCEL.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1392	EXCEL.EXE
1392	EXCEL.EXE
1392	EXCEL.EXE
1392	EXCEL.EXE
1392	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 2784	1392	EXCEL.EXE	28
PID 1392 wrote to memory of 2784	1392	EXCEL.EXE	28
PID 1392 wrote to memory of 2784	1392	EXCEL.EXE	28
PID 1392 wrote to memory of 2784	1392	EXCEL.EXE	28
PID 1392 wrote to memory of 1748	1392	EXCEL.EXE	29
PID 1392 wrote to memory of 1748	1392	EXCEL.EXE	29
PID 1392 wrote to memory of 1748	1392	EXCEL.EXE	29
PID 1392 wrote to memory of 1748	1392	EXCEL.EXE	29
PID 1392 wrote to memory of 1728	1392	EXCEL.EXE	31
PID 1392 wrote to memory of 1728	1392	EXCEL.EXE	31
PID 1392 wrote to memory of 1728	1392	EXCEL.EXE	31
PID 1392 wrote to memory of 1728	1392	EXCEL.EXE	31
PID 1392 wrote to memory of 2360	1392	EXCEL.EXE	32
PID 1392 wrote to memory of 2360	1392	EXCEL.EXE	32
PID 1392 wrote to memory of 2360	1392	EXCEL.EXE	32
PID 1392 wrote to memory of 2360	1392	EXCEL.EXE	32
PID 2784 wrote to memory of 108	2784	cmd.exe	35
PID 2784 wrote to memory of 108	2784	cmd.exe	35
PID 2784 wrote to memory of 108	2784	cmd.exe	35
PID 2784 wrote to memory of 108	2784	cmd.exe	35

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
108	attrib.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\11.20计划分配\11.20.水泥经营紧急计划.xls
1⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1392
- C:\Windows\SysWOW64\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
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:108
- C:\Windows\SysWOW64\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
  - System Location Discovery: System Language Discovery
  PID:1748
- C:\Windows\SysWOW64\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
  - System Location Discovery: System Language Discovery
  PID:1728
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\System32\wscript.exe" E:\KK\11_20_水泥经营紧急计划_Search.vbs
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1392-1-0x00000000722CD000-0x00000000722D8000-memory.dmp

Filesize
44KB

Download
memory/1392-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1392-2-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-3-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-6-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-5-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-4-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-7-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-12-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-8-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-21-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-19-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-18-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-17-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-16-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-15-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-14-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-13-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-11-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-10-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-9-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-48-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-20-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

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memory/1392-22-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-76-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-24-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-23-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-30-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-29-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-28-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-27-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-26-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-25-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-100-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-31-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-375-0x00000000722CD000-0x00000000722D8000-memory.dmp

Filesize
44KB

Download
memory/1392-376-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-377-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-378-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download
memory/1392-379-0x0000000000770000-0x0000000000870000-memory.dmp

Filesize
1024KB

Download