cf7c452c80ad1a90af51fb9584698d3cbd9455c1bb73bd38a982d5494edcae39

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 12:50

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General

Target

Outstanding INVOICE DTQC-158641-173 04-07-2022_1402.xls
Size

95KB
MD5

fda9b005a725d9f698e24b16c3b0eb2a
SHA1

a3bbffdd39f23b08035496f8d394354384e2397f
SHA256

6fc29cee6754fe79ad16a2d1df7eccd43798c9a1bf4dad634cbd7697700c154e
SHA512

169d4198776efb06b740f99d113825e446b522cb720d728029a8c1eb7594c7cdb6a30c645359ac9ac5579711870cde845c0e5b002c21c67a5bca2e3bae104703
SSDEEP

1536:iFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg0yHuS4hcTO97v7UYdEJmA/:cKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgH

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://f5ajans.com/merthel/vvWRK/KVVGB6o7SPoorfaI/

xlm40.dropper

http://emett.com/images/kk2l4zoRKwv2vIEK/

xlm40.dropper

https://www.duinrand-s.nl/Nieuws/S9Y8DumfrBU1r5unO/

xlm40.dropper

http://galileuconcursos.com.br/wp-admin/Pt8VGg/

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	2860	1860	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2896	1860	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2848	1860	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2756	1860	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	EXCEL.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	regsvr32.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
1860	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1860	EXCEL.EXE
1860	EXCEL.EXE
1860	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2860	1860	EXCEL.EXE	31
PID 1860 wrote to memory of 2860	1860	EXCEL.EXE	31
PID 1860 wrote to memory of 2860	1860	EXCEL.EXE	31
PID 1860 wrote to memory of 2860	1860	EXCEL.EXE	31
PID 1860 wrote to memory of 2860	1860	EXCEL.EXE	31
PID 1860 wrote to memory of 2860	1860	EXCEL.EXE	31
PID 1860 wrote to memory of 2860	1860	EXCEL.EXE	31
PID 1860 wrote to memory of 2896	1860	EXCEL.EXE	32
PID 1860 wrote to memory of 2896	1860	EXCEL.EXE	32
PID 1860 wrote to memory of 2896	1860	EXCEL.EXE	32
PID 1860 wrote to memory of 2896	1860	EXCEL.EXE	32
PID 1860 wrote to memory of 2896	1860	EXCEL.EXE	32
PID 1860 wrote to memory of 2896	1860	EXCEL.EXE	32
PID 1860 wrote to memory of 2896	1860	EXCEL.EXE	32
PID 1860 wrote to memory of 2848	1860	EXCEL.EXE	33
PID 1860 wrote to memory of 2848	1860	EXCEL.EXE	33
PID 1860 wrote to memory of 2848	1860	EXCEL.EXE	33
PID 1860 wrote to memory of 2848	1860	EXCEL.EXE	33
PID 1860 wrote to memory of 2848	1860	EXCEL.EXE	33
PID 1860 wrote to memory of 2848	1860	EXCEL.EXE	33
PID 1860 wrote to memory of 2848	1860	EXCEL.EXE	33
PID 1860 wrote to memory of 2756	1860	EXCEL.EXE	34
PID 1860 wrote to memory of 2756	1860	EXCEL.EXE	34
PID 1860 wrote to memory of 2756	1860	EXCEL.EXE	34
PID 1860 wrote to memory of 2756	1860	EXCEL.EXE	34
PID 1860 wrote to memory of 2756	1860	EXCEL.EXE	34
PID 1860 wrote to memory of 2756	1860	EXCEL.EXE	34
PID 1860 wrote to memory of 2756	1860	EXCEL.EXE	34

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\Outstanding INVOICE DTQC-158641-173 04-07-2022_1402.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:1860
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2860
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya2.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya3.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2848
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya4.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2756

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

memory/1860-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/1860-1-0x00000000726ED000-0x00000000726F8000-memory.dmp

Filesize
44KB

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memory/1860-2-0x00000000726ED000-0x00000000726F8000-memory.dmp

Filesize
44KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads