145ba9fc1133742a8485523cd1b7dbf0cbe164783352fa5c6a65b0d1e0cb778e

General

Target

145ba9fc1133742a8485523cd1b7dbf0cbe164783352fa5c6a65b0d1e0cb778e.xlsm
Size

90KB
MD5

59cc3906054290bb6445cda94b3b5535
SHA1

9ecd7bb220a770df18a2089b59014ffb63ee8e5f
SHA256

145ba9fc1133742a8485523cd1b7dbf0cbe164783352fa5c6a65b0d1e0cb778e
SHA512

3ad7706889936a28e6cce3d93e12c741e4c83559e6e7792b34b46900f13b535cef30cb6cecb8c5598586d8ca69824ba53a0a3b35a5ce2037bd0ef89ff525edc5
SSDEEP

1536:PQBrnXpnyV+ns1BVi/IEh2hx0Lx3bKhllGGx0vKCEjdQjqEk+xXPd:mDpyVEoBo6hKb4llGsQjbxfd

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.ajaxmatters.com/c7g8t/zbBYgukXYxzAF2hZc/

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	2460	436	regsvr32.exe	81

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 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
436	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
436	EXCEL.EXE
436	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
436	EXCEL.EXE
436	EXCEL.EXE
436	EXCEL.EXE
436	EXCEL.EXE
436	EXCEL.EXE
436	EXCEL.EXE
436	EXCEL.EXE
436	EXCEL.EXE
436	EXCEL.EXE
436	EXCEL.EXE
436	EXCEL.EXE
436	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 2460	436	EXCEL.EXE	86
PID 436 wrote to memory of 2460	436	EXCEL.EXE	86
PID 436 wrote to memory of 2460	436	EXCEL.EXE	86

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\145ba9fc1133742a8485523cd1b7dbf0cbe164783352fa5c6a65b0d1e0cb778e.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:436
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe /s ..\xxw1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2460

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\xxw1.ocx

Filesize
23KB

MD5
4ed8ca5542b641fddd200acebadf4e3c

SHA1
41fd7fb6cb84805fbc229cbf13620f80a5008003

SHA256
3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33

SHA512
866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

Download Submit
memory/436-15-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/436-7-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/436-14-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/436-12-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/436-16-0x00007FFACA700000-0x00007FFACA710000-memory.dmp

Filesize
64KB

Download
memory/436-8-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

Filesize
64KB

Download
memory/436-4-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/436-10-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/436-13-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/436-0-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

Filesize
64KB

Download
memory/436-5-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/436-2-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

Filesize
64KB

Download
memory/436-6-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

Filesize
64KB

Download
memory/436-18-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/436-17-0x00007FFACA700000-0x00007FFACA710000-memory.dmp

Filesize
64KB

Download
memory/436-19-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/436-11-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/436-9-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/436-1-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp

Filesize
64KB

Download
memory/436-3-0x00007FFB0CA0D000-0x00007FFB0CA0E000-memory.dmp

Filesize
4KB

Download
memory/436-43-0x00007FFB0C970000-0x00007FFB0CB65000-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