ecde4954ce5a3bf8bf76b66005218084f670b6406d276e58688523e7b10d9b0f

General

Target

ecde4954ce5a3bf8bf76b66005218084f670b6406d276e58688523e7b10d9b0f.xls
Size

91KB
MD5

24c9471ef8ca7f4acfbac2ba476cb479
SHA1

31ee92bfd42e2c9e675726f215d7e08fb9561d3c
SHA256

ecde4954ce5a3bf8bf76b66005218084f670b6406d276e58688523e7b10d9b0f
SHA512

fb9c29d1126eb8e940ceca0f49142840aec14ba2b3bfae7427f92ddfbfccb8e5fd7de29869f3664c8666d5e40dd6b48d9d91ed7fcd05b7e7f59fc1572d711f04
SSDEEP

1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2bCXuZH4gb4CEn9J4Zmcvp:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgu

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://bundlefilm.com/headers/lkfBH3Czw9CjEW07P2/

xlm40.dropper

http://camsanparke.net/wp-content/h2Ja5bwB03hnyfCb/

xlm40.dropper

http://royreid.co.uk/wp-content/dCwG/

xlm40.dropper

https://cs.com.sg/admin/a1lR5wu/

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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2856	1528	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	216	1528	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3632	1528	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1544	1528	regsvr32.exe	82

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
1528	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1528	EXCEL.EXE
1528	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 2856	1528	EXCEL.EXE	98
PID 1528 wrote to memory of 2856	1528	EXCEL.EXE	98
PID 1528 wrote to memory of 216	1528	EXCEL.EXE	99
PID 1528 wrote to memory of 216	1528	EXCEL.EXE	99
PID 1528 wrote to memory of 3632	1528	EXCEL.EXE	100
PID 1528 wrote to memory of 3632	1528	EXCEL.EXE	100
PID 1528 wrote to memory of 1544	1528	EXCEL.EXE	103
PID 1528 wrote to memory of 1544	1528	EXCEL.EXE	103

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ecde4954ce5a3bf8bf76b66005218084f670b6406d276e58688523e7b10d9b0f.xls"
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:1528
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:2856
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:216
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:3632
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  PID:1544

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1528-1-0x00007FF93D34D000-0x00007FF93D34E000-memory.dmp

Filesize
4KB

Download
memory/1528-0-0x00007FF8FD330000-0x00007FF8FD340000-memory.dmp

Filesize
64KB

Download
memory/1528-2-0x00007FF8FD330000-0x00007FF8FD340000-memory.dmp

Filesize
64KB

Download
memory/1528-4-0x00007FF8FD330000-0x00007FF8FD340000-memory.dmp

Filesize
64KB

Download
memory/1528-3-0x00007FF8FD330000-0x00007FF8FD340000-memory.dmp

Filesize
64KB

Download
memory/1528-5-0x00007FF8FD330000-0x00007FF8FD340000-memory.dmp

Filesize
64KB

Download
memory/1528-7-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-8-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-11-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-10-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-9-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-12-0x00007FF8FAF70000-0x00007FF8FAF80000-memory.dmp

Filesize
64KB

Download
memory/1528-6-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-13-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-14-0x00007FF8FAF70000-0x00007FF8FAF80000-memory.dmp

Filesize
64KB

Download
memory/1528-16-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-17-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-19-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-18-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-15-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-29-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-30-0x00007FF93D34D000-0x00007FF93D34E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads