2390e1c6e5620f5309acacba1522875762a6c18cb15bc5647d0d3e3f1de9f3ab

General

Target

c3d71f860c941fb9a4a16f5b1ebf0c34.xls
Size

95KB
MD5

c3d71f860c941fb9a4a16f5b1ebf0c34
SHA1

f00ce3f1fb55634b64a53caa3a4c4388729c05dc
SHA256

200f8456509d6f70d23e575dbd09ed7de6d88ce5ca0c319f3ff98eeb94813277
SHA512

d46b2223cf4a848fdca7773a0a4b7117f4a268c4662abbc4689b39b9279fce6e02a6a6125c0642e0172033b44ddbe923fc07d06fae86853afa25910768b668d8
SSDEEP

1536:PFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgg5HuS4hcTO97v7UYdEJmeA:tKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgt

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://zonainformatica.es/aspnet_client/n0ULlfoAHHQh9tagckL/

xlm40.dropper

https://napolni.me/3r/ILq7TqCUS/

xlm40.dropper

http://sigratech.de/career/sRpMMHief7H/

xlm40.dropper

http://webbandi.hu/image/Ifm98UCtROXr/

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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4380	384	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3152	384	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	652	384	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3944	384	regsvr32.exe	82

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

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	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
384	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
384	EXCEL.EXE
384	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
384	EXCEL.EXE
384	EXCEL.EXE
384	EXCEL.EXE
384	EXCEL.EXE
384	EXCEL.EXE
384	EXCEL.EXE
384	EXCEL.EXE
384	EXCEL.EXE
384	EXCEL.EXE
384	EXCEL.EXE
384	EXCEL.EXE
384	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 384 wrote to memory of 4380	384	EXCEL.EXE	87
PID 384 wrote to memory of 4380	384	EXCEL.EXE	87
PID 384 wrote to memory of 3152	384	EXCEL.EXE	88
PID 384 wrote to memory of 3152	384	EXCEL.EXE	88
PID 384 wrote to memory of 652	384	EXCEL.EXE	89
PID 384 wrote to memory of 652	384	EXCEL.EXE	89
PID 384 wrote to memory of 3944	384	EXCEL.EXE	92
PID 384 wrote to memory of 3944	384	EXCEL.EXE	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\c3d71f860c941fb9a4a16f5b1ebf0c34.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:384
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhdt1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4380
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhdt2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3152
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhdt3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:652
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\hhdt4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3944

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
3KB

MD5
cebbd22df4430526764a699acc3bdce4

SHA1
a707f86274505f3320d32c26e5690ce90ced7b0c

SHA256
47295ea4fca7d8ba5b16d1c5565290f34b94988700b8fdf2b0c65739ec29d7d3

SHA512
0d59b44047dd43cf2ce4e694a8064202b164604a65af97c0de918b0c5579134749f594976ad17ffb01dde6b70a2eac51252b6105d6d01e85ca481b67d5157464

Download Submit
memory/384-12-0x00007FFBCB870000-0x00007FFBCBA65000-memory.dmp

Filesize
2.0MB

Download
memory/384-6-0x00007FFBCB870000-0x00007FFBCBA65000-memory.dmp

Filesize
2.0MB

Download
memory/384-2-0x00007FFB8B8F0000-0x00007FFB8B900000-memory.dmp

Filesize
64KB

Download
memory/384-3-0x00007FFBCB90D000-0x00007FFBCB90E000-memory.dmp

Filesize
4KB

Download
memory/384-10-0x00007FFBCB870000-0x00007FFBCBA65000-memory.dmp

Filesize
2.0MB

Download
memory/384-9-0x00007FFBCB870000-0x00007FFBCBA65000-memory.dmp

Filesize
2.0MB

Download
memory/384-8-0x00007FFBCB870000-0x00007FFBCBA65000-memory.dmp

Filesize
2.0MB

Download
memory/384-1-0x00007FFB8B8F0000-0x00007FFB8B900000-memory.dmp

Filesize
64KB

Download
memory/384-4-0x00007FFB8B8F0000-0x00007FFB8B900000-memory.dmp

Filesize
64KB

Download
memory/384-11-0x00007FFBCB870000-0x00007FFBCBA65000-memory.dmp

Filesize
2.0MB

Download
memory/384-7-0x00007FFBCB870000-0x00007FFBCBA65000-memory.dmp

Filesize
2.0MB

Download
memory/384-13-0x00007FFBCB870000-0x00007FFBCBA65000-memory.dmp

Filesize
2.0MB

Download
memory/384-15-0x00007FFBCB870000-0x00007FFBCBA65000-memory.dmp

Filesize
2.0MB

Download
memory/384-14-0x00007FFB89420000-0x00007FFB89430000-memory.dmp

Filesize
64KB

Download
memory/384-16-0x00007FFB89420000-0x00007FFB89430000-memory.dmp

Filesize
64KB

Download
memory/384-5-0x00007FFB8B8F0000-0x00007FFB8B900000-memory.dmp

Filesize
64KB

Download
memory/384-34-0x00007FFBCB870000-0x00007FFBCBA65000-memory.dmp

Filesize
2.0MB

Download
memory/384-0-0x00007FFB8B8F0000-0x00007FFB8B900000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads