45aac4eeb99af8df78a39835a6d1845f463c7e7f43118f155f90488955129476

General

Target

45aac4eeb99af8df78a39835a6d1845f463c7e7f43118f155f90488955129476.xls
Size

70KB
MD5

77221120c6ff2154c101f25598fdd728
SHA1

153e854886d87037cb5971c5dc4821c4cf405daa
SHA256

45aac4eeb99af8df78a39835a6d1845f463c7e7f43118f155f90488955129476
SHA512

8ea814f497f4d834f51b394e073d752f801b5d942d43a4041875e6a0b762d543ea4a6c1e9eb8f1ac78c0d9c0a1c0ac38e1f77924068ec06754b8f392badeccdc
SSDEEP

1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+/+hDcnTLiQrRTZws8EbK:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM1

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://prprofile.com/wp-admin/CIqrvgYsvBiBlIM/

xlm40.dropper

https://retardantedefuegoperu.com/slider/rFhAa78/

xlm40.dropper

http://survei.absensi.net/cc-content/YCcjkOA3ijYNu46Y/

Signatures

Process spawned unexpected child process 3 IoCs

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

Processes:

regsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4524	3112	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4084	3112	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2044	3112	regsvr32.exe	EXCEL.EXE

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

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

3112 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3112 EXCEL.EXE
3112 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE
3112	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3112 wrote to memory of 4524	3112	EXCEL.EXE	regsvr32.exe
PID 3112 wrote to memory of 4524	3112	EXCEL.EXE	regsvr32.exe
PID 3112 wrote to memory of 4084	3112	EXCEL.EXE	regsvr32.exe
PID 3112 wrote to memory of 4084	3112	EXCEL.EXE	regsvr32.exe
PID 3112 wrote to memory of 2044	3112	EXCEL.EXE	regsvr32.exe
PID 3112 wrote to memory of 2044	3112	EXCEL.EXE	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\45aac4eeb99af8df78a39835a6d1845f463c7e7f43118f155f90488955129476.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:3112
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4524
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4084
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2044

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
665B

MD5
8daafe79a9450a0af0ab31823e3262f0

SHA1
90f53af4390e680dd8c5a858a79d7dfacfe96225

SHA256
d81c67ea6aab2201e13eef94d959ee81cae7fc02cfe5cf585af4b5c1e5545ce3

SHA512
226e162455ef4cd98b9e36d02d125ecefa77842b752e5ad44fa8be43169a3501d25c09a482a3d444edc7b3301778794915a25f88f76de8db2ee15003e7e94e12

Download Submit
memory/3112-17-0x00007FF980CC0000-0x00007FF980CD0000-memory.dmp

Filesize
64KB

Download
memory/3112-43-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-3-0x00007FF9832B0000-0x00007FF9832C0000-memory.dmp

Filesize
64KB

Download
memory/3112-2-0x00007FF9832B0000-0x00007FF9832C0000-memory.dmp

Filesize
64KB

Download
memory/3112-5-0x00007FF9832B0000-0x00007FF9832C0000-memory.dmp

Filesize
64KB

Download
memory/3112-8-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-7-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-9-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-6-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-10-0x00007FF980CC0000-0x00007FF980CD0000-memory.dmp

Filesize
64KB

Download
memory/3112-12-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-13-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-0-0x00007FF9832B0000-0x00007FF9832C0000-memory.dmp

Filesize
64KB

Download
memory/3112-4-0x00007FF9832B0000-0x00007FF9832C0000-memory.dmp

Filesize
64KB

Download
memory/3112-20-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-22-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-23-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-21-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-18-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-19-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-16-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-14-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-11-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-41-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-42-0x00007FF9C32CD000-0x00007FF9C32CE000-memory.dmp

Filesize
4KB

Download
memory/3112-1-0x00007FF9C32CD000-0x00007FF9C32CE000-memory.dmp

Filesize
4KB

Download
memory/3112-47-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download
memory/3112-15-0x00007FF9C3230000-0x00007FF9C3425000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads