f76566c6f828aa486581ef277b67a418e2162be7521e70efeb5e2a5888619bf4

General

Target

f76566c6f828aa486581ef277b67a418e2162be7521e70efeb5e2a5888619bf4.xls
Size

70KB
MD5

101f43ee3c84076c9fe0997b27394049
SHA1

b7d7f4f77fb4da739fac88ed67b01e2260bf4eae
SHA256

f76566c6f828aa486581ef277b67a418e2162be7521e70efeb5e2a5888619bf4
SHA512

e11a50ad9573f61c446e6bfdcf826f4d286a8a7f14a81d59ba18d9edd16aad194963a5559aa9362668046ac359c58cf2af9f5dde508d395c04431d3f62cbb804
SSDEEP

1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+KJ+hDcnTLiQrRTZws8EI:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMG

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://sacvasanth.com/public/lyP2lh1hlJr/

xlm40.dropper

https://webguruindia.com/theme/wTbEyLVvMNB3j/

xlm40.dropper

http://stockmorehouse.com/Casa_Grande/AS4VPkTsOqWDGGO/

Signatures

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2696	2736	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2576	2736	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2560	2736	regsvr32.exe	29

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

EXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exe

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

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
2736	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid	Process
2736	EXCEL.EXE
2736	EXCEL.EXE
2736	EXCEL.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EXCEL.EXE

description	pid	Process	procid_target
PID 2736 wrote to memory of 2696	2736	EXCEL.EXE	30
PID 2736 wrote to memory of 2696	2736	EXCEL.EXE	30
PID 2736 wrote to memory of 2696	2736	EXCEL.EXE	30
PID 2736 wrote to memory of 2696	2736	EXCEL.EXE	30
PID 2736 wrote to memory of 2696	2736	EXCEL.EXE	30
PID 2736 wrote to memory of 2696	2736	EXCEL.EXE	30
PID 2736 wrote to memory of 2696	2736	EXCEL.EXE	30
PID 2736 wrote to memory of 2576	2736	EXCEL.EXE	31
PID 2736 wrote to memory of 2576	2736	EXCEL.EXE	31
PID 2736 wrote to memory of 2576	2736	EXCEL.EXE	31
PID 2736 wrote to memory of 2576	2736	EXCEL.EXE	31
PID 2736 wrote to memory of 2576	2736	EXCEL.EXE	31
PID 2736 wrote to memory of 2576	2736	EXCEL.EXE	31
PID 2736 wrote to memory of 2576	2736	EXCEL.EXE	31
PID 2736 wrote to memory of 2560	2736	EXCEL.EXE	33
PID 2736 wrote to memory of 2560	2736	EXCEL.EXE	33
PID 2736 wrote to memory of 2560	2736	EXCEL.EXE	33
PID 2736 wrote to memory of 2560	2736	EXCEL.EXE	33
PID 2736 wrote to memory of 2560	2736	EXCEL.EXE	33
PID 2736 wrote to memory of 2560	2736	EXCEL.EXE	33
PID 2736 wrote to memory of 2560	2736	EXCEL.EXE	33

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\f76566c6f828aa486581ef277b67a418e2162be7521e70efeb5e2a5888619bf4.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:2736
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2696
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2576
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

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

memory/2736-1-0x000000007293D000-0x0000000072948000-memory.dmp

Filesize
44KB

Download
memory/2736-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2736-2-0x000000007293D000-0x0000000072948000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads