97c7fd3de4f86e70b303047927239983d5f72661400c43b33cda177e5158f58a

General

Target

ComplianceReport-1235323747-Apr-20.xlsb
Size

1.2MB
MD5

51016d03eae776f91efa813adfa7d9fe
SHA1

eaca11c28c4ce7751b8f0f3e6daa027ead329fe3
SHA256

7db01ebd9e8d5bb25b52eb950fe2c43da26552fbb37377519acf787942824701
SHA512

b6f3be602bc2534afaf0a311ab7ff0d132716bbbe8d64e729700fae7a9e82df361dd8db732f2f0fcaef4c730c1a1e7f26bfb21b43f2a8f9b40693a0984a3230c
SSDEEP

24576:0iWxUUOy+cKrpxlDPTMFf9P0kmppxlDPTMFfypxlDPTMFf3h:dEcyUjDLMd+bjDLMdEjDLMd3h

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://5.254.118.241/2359222.dat

xlm40.dropper

http://139.99.133.171/2359222.dat

xlm40.dropper

http://185.244.149.152/2359222.dat

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	3948	2636	Regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4492	2636	Regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3448	2636	Regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4900	2636	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 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

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
2636	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2636	EXCEL.EXE
2636	EXCEL.EXE

Suspicious use of SetWindowsHookEx 18 IoCs

pid	Process
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE
2636	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 3948	2636	EXCEL.EXE	92
PID 2636 wrote to memory of 3948	2636	EXCEL.EXE	92
PID 2636 wrote to memory of 4492	2636	EXCEL.EXE	93
PID 2636 wrote to memory of 4492	2636	EXCEL.EXE	93
PID 2636 wrote to memory of 3448	2636	EXCEL.EXE	94
PID 2636 wrote to memory of 3448	2636	EXCEL.EXE	94
PID 2636 wrote to memory of 4900	2636	EXCEL.EXE	95
PID 2636 wrote to memory of 4900	2636	EXCEL.EXE	95

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ComplianceReport-1235323747-Apr-20.xlsb"
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:2636
- C:\Windows\SYSTEM32\Regsvr32.exe
  Regsvr32 /s calc
  2⤵
  - Process spawned unexpected child process
  PID:3948
- C:\Windows\SYSTEM32\Regsvr32.exe
  Regsvr32 C:\Flopers\Gorl\Vertu.OCX
  2⤵
  - Process spawned unexpected child process
  PID:4492
- C:\Windows\SYSTEM32\Regsvr32.exe
  Regsvr32 C:\Flopers\Gorl\Vertua.OCX
  2⤵
  - Process spawned unexpected child process
  PID:3448
- C:\Windows\SYSTEM32\Regsvr32.exe
  Regsvr32 C:\Flopers\Gorl\Vertub.OCX
  2⤵
  - Process spawned unexpected child process
  PID:4900

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
a4f097f7167b8cbd846e3b4dc5d2114d

SHA1
df6098dda3a7be2ee0031fa4654dbd7a0d30c917

SHA256
5179b5926facab989cb684a06c0c96175c78d50863b35dfc917c58178fb54868

SHA512
864e7c75486f2c2f5349d0717c894da61fbfabc3115faad1c2d3ab1e06ad25f8080079c02bd77fe8da8988c6f6903d81d07229ce5b214e5067f8b096c5006cc2

Download Submit
memory/2636-14-0x00007FFF43230000-0x00007FFF43240000-memory.dmp

Filesize
64KB

Download
memory/2636-6-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-3-0x00007FFF45AF0000-0x00007FFF45B00000-memory.dmp

Filesize
64KB

Download
memory/2636-9-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-8-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-10-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-7-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-12-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-0-0x00007FFF45AF0000-0x00007FFF45B00000-memory.dmp

Filesize
64KB

Download
memory/2636-13-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-4-0x00007FFF45AF0000-0x00007FFF45B00000-memory.dmp

Filesize
64KB

Download
memory/2636-15-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-11-0x00007FFF43230000-0x00007FFF43240000-memory.dmp

Filesize
64KB

Download
memory/2636-5-0x00007FFF45AF0000-0x00007FFF45B00000-memory.dmp

Filesize
64KB

Download
memory/2636-2-0x00007FFF45AF0000-0x00007FFF45B00000-memory.dmp

Filesize
64KB

Download
memory/2636-18-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-19-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-17-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-16-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-28-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-29-0x00007FFF85B0D000-0x00007FFF85B0E000-memory.dmp

Filesize
4KB

Download
memory/2636-30-0x00007FFF85A70000-0x00007FFF85C65000-memory.dmp

Filesize
2.0MB

Download
memory/2636-1-0x00007FFF85B0D000-0x00007FFF85B0E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads