a5af777e48122519acfda151708cc32c2eb8c02f6aaff045126e0bd2ac1d164e

General

Target

a5af777e48122519acfda151708cc32c2eb8c02f6aaff045126e0bd2ac1d164e.xls
Size

96KB
MD5

f03258d32d6073b71a91c11e5c1b4db2
SHA1

12f6bac9371f39eaf11e1ab00ea1b6c701771f8e
SHA256

a5af777e48122519acfda151708cc32c2eb8c02f6aaff045126e0bd2ac1d164e
SHA512

99139c260fd4307eef25cbd96d5d0b8dfeb0ee6404bc60ba0a530f7caeaf5d00f7e0f9f1a867922badf999228e35c95f4ad7435c87d2d24291acf39f750178a1
SSDEEP

1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg4jHuS4hcTO97v7UYdEJm3m:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://fisika.mipa.uns.ac.id/reseller/img/nRAvAgoY8Y/

xlm40.dropper

http://greycoconut.com/edm/71qUA/

xlm40.dropper

http://zonainformatica.es/tienda/XCHJmidSYTkE/

xlm40.dropper

http://balletmagazine.ro/wp-content/9VrMPV/

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	3280	4016	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2896	4016	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3300	4016	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4524	4016	regsvr32.exe	81

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\ProcessorNameString	EXCEL.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 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
4016	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4016	EXCEL.EXE
4016	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE
4016	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 3280	4016	EXCEL.EXE	86
PID 4016 wrote to memory of 3280	4016	EXCEL.EXE	86
PID 4016 wrote to memory of 2896	4016	EXCEL.EXE	87
PID 4016 wrote to memory of 2896	4016	EXCEL.EXE	87
PID 4016 wrote to memory of 3300	4016	EXCEL.EXE	90
PID 4016 wrote to memory of 3300	4016	EXCEL.EXE	90
PID 4016 wrote to memory of 4524	4016	EXCEL.EXE	92
PID 4016 wrote to memory of 4524	4016	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\a5af777e48122519acfda151708cc32c2eb8c02f6aaff045126e0bd2ac1d164e.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:4016
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3280
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2896
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3300
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4524

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
2KB

MD5
faaa5f8d6c969dc895e6cd540b12532c

SHA1
86dfa6609a6b98bb26399c8e01e79e63cda21412

SHA256
7522d162c7b55bc32f3b932cc69042600fbad32a4dd9aa47e142bcf7285e5e3b

SHA512
e30ba5bd2480e5a9162fc3c68cf3580f974ad25132044cb8ed6f82b3e00f008e2a9adba209067f1d45fce5206e85be1180fa18ed8019f6649f94a82493e86fe1

Download Submit
C:\Users\Admin\soci2.ocx

Filesize
36KB

MD5
3b79e62476916ff33ddc0668a0898e6d

SHA1
fe4f73a8019a0407cec5e2eb0c344adc4ab73bae

SHA256
418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81

SHA512
3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

Download Submit
memory/4016-13-0x00007FFAE39B0000-0x00007FFAE39C0000-memory.dmp

Filesize
64KB

Download
memory/4016-6-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-17-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-7-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-16-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-9-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-11-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-19-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-10-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-8-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-0-0x00007FFB25A2D000-0x00007FFB25A2E000-memory.dmp

Filesize
4KB

Download
memory/4016-14-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-4-0x00007FFAE5A10000-0x00007FFAE5A20000-memory.dmp

Filesize
64KB

Download
memory/4016-2-0x00007FFAE5A10000-0x00007FFAE5A20000-memory.dmp

Filesize
64KB

Download
memory/4016-12-0x00007FFAE39B0000-0x00007FFAE39C0000-memory.dmp

Filesize
64KB

Download
memory/4016-20-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-18-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-15-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-5-0x00007FFAE5A10000-0x00007FFAE5A20000-memory.dmp

Filesize
64KB

Download
memory/4016-3-0x00007FFAE5A10000-0x00007FFAE5A20000-memory.dmp

Filesize
64KB

Download
memory/4016-41-0x00007FFB25A2D000-0x00007FFB25A2E000-memory.dmp

Filesize
4KB

Download
memory/4016-42-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-43-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-44-0x00007FFB25990000-0x00007FFB25B85000-memory.dmp

Filesize
2.0MB

Download
memory/4016-1-0x00007FFAE5A10000-0x00007FFAE5A20000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads