88ccbf984d92d3ee36d9f42f59134eb66bbf84fbe8f77bfd806ea6c387e1270c

General

Target

88ccbf984d92d3ee36d9f42f59134eb66bbf84fbe8f77bfd806ea6c387e1270c.xlsm
Size

92KB
MD5

c24e59809e419fb4f55fd9eb1b1f74cc
SHA1

94354f44e74fbacd9608bead040753d966ad224d
SHA256

88ccbf984d92d3ee36d9f42f59134eb66bbf84fbe8f77bfd806ea6c387e1270c
SHA512

20f0765a88ba81379afddd633a5532f0173d9f5cdbed71560d601b8dae56df799b48e0d0a48aba366b4440fd0cbe1cbe25a80c07bb0b3135043789e6e5cedf68
SSDEEP

1536:CguZCa6S5khUI3BwjI/4znOSjhLM+vGa/M1NIpPkUlB7583fjncFYIIPFM:CgugapkhlSU/aPjpM+d/Ms8ULavLcX

Score

6^/10

Malware Config

Signatures

Process spawned suspicious child process 1 IoCs

This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4180	3456	DW20.EXE	81

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dwwin.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3456	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3456	EXCEL.EXE
3456	EXCEL.EXE
3456	EXCEL.EXE
3456	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3456	EXCEL.EXE
3456	EXCEL.EXE
3456	EXCEL.EXE
3456	EXCEL.EXE
3456	EXCEL.EXE
3456	EXCEL.EXE
3456	EXCEL.EXE
3456	EXCEL.EXE
3456	EXCEL.EXE
3456	EXCEL.EXE
3456	EXCEL.EXE
3456	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 4180	3456	EXCEL.EXE	85
PID 3456 wrote to memory of 4180	3456	EXCEL.EXE	85
PID 4180 wrote to memory of 216	4180	DW20.EXE	87
PID 4180 wrote to memory of 216	4180	DW20.EXE	87

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\88ccbf984d92d3ee36d9f42f59134eb66bbf84fbe8f77bfd806ea6c387e1270c.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3456
- C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
  "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 3324
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:4180
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 3324
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3456-15-0x00007FFC90A90000-0x00007FFC90AA0000-memory.dmp

Filesize
64KB

Download
memory/3456-18-0x00007FFCD2DF0000-0x00007FFCD2FE5000-memory.dmp

Filesize
2.0MB

Download
memory/3456-3-0x00007FFC92E70000-0x00007FFC92E80000-memory.dmp

Filesize
64KB

Download
memory/3456-1-0x00007FFCD2E8D000-0x00007FFCD2E8E000-memory.dmp

Filesize
4KB

Download
memory/3456-4-0x00007FFC92E70000-0x00007FFC92E80000-memory.dmp

Filesize
64KB

Download
memory/3456-6-0x00007FFCD2DF0000-0x00007FFCD2FE5000-memory.dmp

Filesize
2.0MB

Download
memory/3456-5-0x00007FFCD2DF0000-0x00007FFCD2FE5000-memory.dmp

Filesize
2.0MB

Download
memory/3456-7-0x00007FFC92E70000-0x00007FFC92E80000-memory.dmp

Filesize
64KB

Download
memory/3456-11-0x00007FFCD2DF0000-0x00007FFCD2FE5000-memory.dmp

Filesize
2.0MB

Download
memory/3456-12-0x00007FFCD2DF0000-0x00007FFCD2FE5000-memory.dmp

Filesize
2.0MB

Download
memory/3456-62-0x00007FFCD2DF0000-0x00007FFCD2FE5000-memory.dmp

Filesize
2.0MB

Download
memory/3456-14-0x00007FFCD2DF0000-0x00007FFCD2FE5000-memory.dmp

Filesize
2.0MB

Download
memory/3456-16-0x00007FFC90A90000-0x00007FFC90AA0000-memory.dmp

Filesize
64KB

Download
memory/3456-10-0x00007FFCD2DF0000-0x00007FFCD2FE5000-memory.dmp

Filesize
2.0MB

Download
memory/3456-0-0x00007FFC92E70000-0x00007FFC92E80000-memory.dmp

Filesize
64KB

Download
memory/3456-17-0x00007FFCD2DF0000-0x00007FFCD2FE5000-memory.dmp

Filesize
2.0MB

Download
memory/3456-2-0x00007FFC92E70000-0x00007FFC92E80000-memory.dmp

Filesize
64KB

Download
memory/3456-9-0x00007FFCD2DF0000-0x00007FFCD2FE5000-memory.dmp

Filesize
2.0MB

Download
memory/3456-8-0x00007FFCD2DF0000-0x00007FFCD2FE5000-memory.dmp

Filesize
2.0MB

Download
memory/3456-13-0x00007FFCD2DF0000-0x00007FFCD2FE5000-memory.dmp

Filesize
2.0MB

Download
memory/4180-59-0x00007FFC92E70000-0x00007FFC92E80000-memory.dmp

Filesize
64KB

Download
memory/4180-58-0x00007FFC92E70000-0x00007FFC92E80000-memory.dmp

Filesize
64KB

Download
memory/4180-60-0x00007FFC92E70000-0x00007FFC92E80000-memory.dmp

Filesize
64KB

Download
memory/4180-61-0x00007FFC92E70000-0x00007FFC92E80000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads