19478075ae37db9605469e4401f12efbab9177f3759fc1272dfff87fa1a7bba6

General

Target

19478075ae37db9605469e4401f12efbab9177f3759fc1272dfff87fa1a7bba6.xlsm
Size

46KB
MD5

ce6b6a7740f29f3a6521b26e2d51784d
SHA1

3e71e76b0211e369368580f2080af5002db848d9
SHA256

19478075ae37db9605469e4401f12efbab9177f3759fc1272dfff87fa1a7bba6
SHA512

6504dc9f1a54cf5c5570c05818b2fd66a312fcca4d3976b5e2e07b28eac6744854e76f280b78ca04c55ad9b4305d55a9d6525d98ee49c808bb0e911b81307332
SSDEEP

768:qo9DOevZCwrvtOzdDTKufT9nz0LTyY1NiMZFYpvrLeci3cr+Uh0VPPDks:qo9D+tT5fTR4Lh1NisFYBc3cr+UqVnDZ

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://dan-bau.com/wp-includes/css/dist/h2plh7xZso/

xlm40.dropper

https://advisereviews.com/wp-content/2NyZZiJ6KEzPPrbx/

Signatures

Process spawned unexpected child process 1 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	4228	1548	regsvr32.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.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

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
1548	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1548	EXCEL.EXE
1548	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1548	EXCEL.EXE
1548	EXCEL.EXE
1548	EXCEL.EXE
1548	EXCEL.EXE
1548	EXCEL.EXE
1548	EXCEL.EXE
1548	EXCEL.EXE
1548	EXCEL.EXE
1548	EXCEL.EXE
1548	EXCEL.EXE
1548	EXCEL.EXE
1548	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 4228	1548	EXCEL.EXE	91
PID 1548 wrote to memory of 4228	1548	EXCEL.EXE	91
PID 1548 wrote to memory of 4228	1548	EXCEL.EXE	91

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\19478075ae37db9605469e4401f12efbab9177f3759fc1272dfff87fa1a7bba6.xlsm"
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:1548
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe /s ..\aew.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:4228

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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
1KB

MD5
79f2e9d992c5b8d350a60be43aa66f24

SHA1
65b7f3eeda63259ee9583a02b1b07963973c24c8

SHA256
32ef97b75d64ea5b93970b3bf314777f52cc1def13f272b5df679aa9d8471ad0

SHA512
411ab8cfa7d028adbdad674af6bd1b34e4697360bbc3a9eb4d4e0bc210611444ff25eb819fdf9a58137c7e0890c8490d736de664d583a7df940bb86ff0e41090

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

Filesize
1KB

MD5
1326c16a18441423830933fbb3a6a290

SHA1
d62b5f0ec9ae7a82209938c347311519b9fc1084

SHA256
3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

SHA512
2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

Download Submit
memory/1548-7-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp

Filesize
2.0MB

Download
memory/1548-10-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp

Filesize
2.0MB

Download
memory/1548-5-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp

Filesize
2.0MB

Download
memory/1548-0-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmp

Filesize
64KB

Download
memory/1548-9-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmp

Filesize
64KB

Download
memory/1548-8-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp

Filesize
2.0MB

Download
memory/1548-12-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp

Filesize
2.0MB

Download
memory/1548-13-0x00007FFC2BD00000-0x00007FFC2BD10000-memory.dmp

Filesize
64KB

Download
memory/1548-11-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp

Filesize
2.0MB

Download
memory/1548-1-0x00007FFC6DE0D000-0x00007FFC6DE0E000-memory.dmp

Filesize
4KB

Download
memory/1548-6-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmp

Filesize
64KB

Download
memory/1548-14-0x00007FFC2BD00000-0x00007FFC2BD10000-memory.dmp

Filesize
64KB

Download
memory/1548-4-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp

Filesize
2.0MB

Download
memory/1548-3-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmp

Filesize
64KB

Download
memory/1548-32-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp

Filesize
2.0MB

Download
memory/1548-33-0x00007FFC6DE0D000-0x00007FFC6DE0E000-memory.dmp

Filesize
4KB

Download
memory/1548-34-0x00007FFC6DD70000-0x00007FFC6DF65000-memory.dmp

Filesize
2.0MB

Download
memory/1548-2-0x00007FFC2DDF0000-0x00007FFC2DE00000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads