e569298451bd12f37a4c93fb610b254f6237ae89eb3f573427ace46daedd1402

General

Target

Estado_de_cuenta.xls
Size

198KB
MD5

98136ffd902b60b1107c02cb94fc90e2
SHA1

ae410c8c5d57fa37b74ff283768bd68c48dd46ae
SHA256

e569298451bd12f37a4c93fb610b254f6237ae89eb3f573427ace46daedd1402
SHA512

0ec2eb997c474c19d4ddedbae60552d2b71ce1b1c5780f35e6bafa089bf6a75e8fd1e8bf936ed65f21426274cffad36ce7ffba21ed6dda15b585b20b4e69f650
SSDEEP

6144:IxEtjPOtioVjDGUU1qfDlavx+W2QnAo+Ly9ckwDwPq5XlsqbwxNNip:/+VkGUqLsqIi

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	2624	5112	DW20.EXE	84

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\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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
5112	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5112	EXCEL.EXE
5112	EXCEL.EXE
5112	EXCEL.EXE
5112	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
5112	EXCEL.EXE
5112	EXCEL.EXE
5112	EXCEL.EXE
5112	EXCEL.EXE
5112	EXCEL.EXE
5112	EXCEL.EXE
5112	EXCEL.EXE
5112	EXCEL.EXE
5112	EXCEL.EXE
5112	EXCEL.EXE
5112	EXCEL.EXE
5112	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 2624	5112	EXCEL.EXE	87
PID 5112 wrote to memory of 2624	5112	EXCEL.EXE	87
PID 2624 wrote to memory of 4296	2624	DW20.EXE	89
PID 2624 wrote to memory of 4296	2624	DW20.EXE	89

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Estado_de_cuenta.xls"
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:5112
- 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 4844
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:2624
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 4844
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:4296

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

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Downloads

memory/2624-36-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/2624-50-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

Filesize
64KB

Download
memory/2624-51-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

Filesize
64KB

Download
memory/2624-52-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

Filesize
64KB

Download
memory/2624-53-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

Filesize
64KB

Download
memory/2624-54-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/2624-40-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/2624-39-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/2624-38-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/5112-7-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

Filesize
64KB

Download
memory/5112-8-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/5112-12-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/5112-13-0x00007FFB44180000-0x00007FFB44190000-memory.dmp

Filesize
64KB

Download
memory/5112-9-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/5112-15-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/5112-14-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/5112-16-0x00007FFB44180000-0x00007FFB44190000-memory.dmp

Filesize
64KB

Download
memory/5112-10-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/5112-11-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/5112-6-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/5112-0-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

Filesize
64KB

Download
memory/5112-4-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

Filesize
64KB

Download
memory/5112-3-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

Filesize
64KB

Download
memory/5112-5-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/5112-2-0x00007FFB462F0000-0x00007FFB46300000-memory.dmp

Filesize
64KB

Download
memory/5112-1-0x00007FFB8630D000-0x00007FFB8630E000-memory.dmp

Filesize
4KB

Download
memory/5112-55-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads