de28c22084a7268f4e420ae7b1ef91d35513448e3597c633eada8b687a2fcce7

General

Target

de28c22084a7268f4e420ae7b1ef91d35513448e3597c633eada8b687a2fcce7.xls
Size

95KB
MD5

22105a69247a6391244614880ecf9388
SHA1

48951ccd8364e0060fd1e264f448c0c62435ba04
SHA256

de28c22084a7268f4e420ae7b1ef91d35513448e3597c633eada8b687a2fcce7
SHA512

d31e35db89d31725fa94efe39c0debbf0969881680c18689273b7f338a7a7d27a4d4fb4fda80450c09b84483e2b28a0353bbd695389c55b6ff6d0a31d117c4da
SSDEEP

1536:UkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgNHuS4hcTO97v7UYdEJmJ:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgk

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://fikti.bem.gunadarma.ac.id/SDM/YH8OJ1Zz8miBX/

xlm40.dropper

http://ebuysa.co.za/yt-assets/yZ30/

xlm40.dropper

http://3dstudioa.com.br/files/1ubPAB/

xlm40.dropper

http://boardmart.co.za/images/DvMHPbTLn/

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	756	1856	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1580	1856	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	452	1856	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1904	1856	regsvr32.exe	81

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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
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

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
1856	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1856	EXCEL.EXE
1856	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE
1856	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 756	1856	EXCEL.EXE	88
PID 1856 wrote to memory of 756	1856	EXCEL.EXE	88
PID 1856 wrote to memory of 1580	1856	EXCEL.EXE	90
PID 1856 wrote to memory of 1580	1856	EXCEL.EXE	90
PID 1856 wrote to memory of 452	1856	EXCEL.EXE	92
PID 1856 wrote to memory of 452	1856	EXCEL.EXE	92
PID 1856 wrote to memory of 1904	1856	EXCEL.EXE	95
PID 1856 wrote to memory of 1904	1856	EXCEL.EXE	95

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\de28c22084a7268f4e420ae7b1ef91d35513448e3597c633eada8b687a2fcce7.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:1856
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:756
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1580
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:452
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1904

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
d3366b336af8431847dcdbb6ea776cc6

SHA1
90c9257b8161060ea3dca14db715cda94407690c

SHA256
04038190752d901786245bebe506f7c83a57274b7502362562d1a84f3f0da23c

SHA512
fdf2e0993b1d18ebb820f5a948920bc736a02e34f79cd5493c1ede022e475f55df690e935b48f14be272d80b7bf24c80e914c99d2b8a19b8913bac408b073362

Download Submit
memory/1856-11-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-7-0x00007FFA68A70000-0x00007FFA68A80000-memory.dmp

Filesize
64KB

Download
memory/1856-10-0x00007FFA668B0000-0x00007FFA668C0000-memory.dmp

Filesize
64KB

Download
memory/1856-6-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-8-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-5-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-9-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-12-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-2-0x00007FFA68A70000-0x00007FFA68A80000-memory.dmp

Filesize
64KB

Download
memory/1856-3-0x00007FFA68A70000-0x00007FFA68A80000-memory.dmp

Filesize
64KB

Download
memory/1856-1-0x00007FFAA8A8D000-0x00007FFAA8A8E000-memory.dmp

Filesize
4KB

Download
memory/1856-4-0x00007FFA68A70000-0x00007FFA68A80000-memory.dmp

Filesize
64KB

Download
memory/1856-13-0x00007FFA668B0000-0x00007FFA668C0000-memory.dmp

Filesize
64KB

Download
memory/1856-35-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-37-0x00007FFAA8A8D000-0x00007FFAA8A8E000-memory.dmp

Filesize
4KB

Download
memory/1856-41-0x00007FFAA89F0000-0x00007FFAA8BE5000-memory.dmp

Filesize
2.0MB

Download
memory/1856-0-0x00007FFA68A70000-0x00007FFA68A80000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads