812a70b03189a3bd66ef00d2a64cfa115a3cad7207364650972567eac196446b

Analysis

max time kernel
142s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 00:19

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General

Target

812a70b03189a3bd66ef00d2a64cfa115a3cad7207364650972567eac196446b.xls
Size

60KB
MD5

9a23c7e9aaaea780ae6a00c4aff33a9b
SHA1

939fb1832af578418f5bbb330640a61b43fde46e
SHA256

812a70b03189a3bd66ef00d2a64cfa115a3cad7207364650972567eac196446b
SHA512

d9744c5c07c16f5b526929e1ef9b5a698bb17ff1988555c94d1a44bddffbd544a9814dc894887da06d455eea37678e48d47f72c2970f1de8abba90b13930f322
SSDEEP

1536:NpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgUDOJiA6Cv/UGLI36yOAR5t:rKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgI

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.valyval.com/pun/VAYL/

xlm40.dropper

http://cabans.com/CeudWYRQEzZgrHPcI/

xlm40.dropper

http://calzadoyuyin.com/cgj-bin/jZPff/

xlm40.dropper

http://cagranus.com/slide/mcqAFuMhaekn/

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	536	1620	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2996	1620	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2624	1620	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	280	1620	regsvr32.exe	29

System Location Discovery: System Language Discovery 1 TTPs 5 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1620	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1620	EXCEL.EXE
1620	EXCEL.EXE
1620	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 536	1620	EXCEL.EXE	31
PID 1620 wrote to memory of 536	1620	EXCEL.EXE	31
PID 1620 wrote to memory of 536	1620	EXCEL.EXE	31
PID 1620 wrote to memory of 536	1620	EXCEL.EXE	31
PID 1620 wrote to memory of 536	1620	EXCEL.EXE	31
PID 1620 wrote to memory of 536	1620	EXCEL.EXE	31
PID 1620 wrote to memory of 536	1620	EXCEL.EXE	31
PID 1620 wrote to memory of 2996	1620	EXCEL.EXE	33
PID 1620 wrote to memory of 2996	1620	EXCEL.EXE	33
PID 1620 wrote to memory of 2996	1620	EXCEL.EXE	33
PID 1620 wrote to memory of 2996	1620	EXCEL.EXE	33
PID 1620 wrote to memory of 2996	1620	EXCEL.EXE	33
PID 1620 wrote to memory of 2996	1620	EXCEL.EXE	33
PID 1620 wrote to memory of 2996	1620	EXCEL.EXE	33
PID 1620 wrote to memory of 2624	1620	EXCEL.EXE	34
PID 1620 wrote to memory of 2624	1620	EXCEL.EXE	34
PID 1620 wrote to memory of 2624	1620	EXCEL.EXE	34
PID 1620 wrote to memory of 2624	1620	EXCEL.EXE	34
PID 1620 wrote to memory of 2624	1620	EXCEL.EXE	34
PID 1620 wrote to memory of 2624	1620	EXCEL.EXE	34
PID 1620 wrote to memory of 2624	1620	EXCEL.EXE	34
PID 1620 wrote to memory of 280	1620	EXCEL.EXE	35
PID 1620 wrote to memory of 280	1620	EXCEL.EXE	35
PID 1620 wrote to memory of 280	1620	EXCEL.EXE	35
PID 1620 wrote to memory of 280	1620	EXCEL.EXE	35
PID 1620 wrote to memory of 280	1620	EXCEL.EXE	35
PID 1620 wrote to memory of 280	1620	EXCEL.EXE	35
PID 1620 wrote to memory of 280	1620	EXCEL.EXE	35

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\812a70b03189a3bd66ef00d2a64cfa115a3cad7207364650972567eac196446b.xls
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:536
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev2.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2996
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev3.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2624
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\xgev4.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\xgev2.ocx

Filesize
81KB

MD5
5e578806053952233c0c60eca755704d

SHA1
84ae9756c4280338a69e680dfc524ba542a0d18e

SHA256
c9d387be91032573f42f96b7b0838457a7fef5616f8c36ba6dfc0a22559375e3

SHA512
177e4c35ba1a7b91f5fd908a949aef1fd6d8e37c8df96f7ff77c90d5d38a2c84a5d33cb898b8c3794bdc1915f5d6865ca74ad342c5d5e7840ad7838164206e4b

Download Submit
memory/1620-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1620-1-0x0000000071D6D000-0x0000000071D78000-memory.dmp

Filesize
44KB

Download
memory/1620-29-0x0000000071D6D000-0x0000000071D78000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads