be0ee2c07ce80d5eaf570ff2bad8fa3d589640bd6114073bb5e607a962b644ef

General

Target

be0ee2c07ce80d5eaf570ff2bad8fa3d589640bd6114073bb5e607a962b644ef.xls
Size

95KB
MD5

d03f165940ade25e483448191be48f22
SHA1

cb8fbe95850c8cb22fe203200ca5391ed9ed2ccc
SHA256

be0ee2c07ce80d5eaf570ff2bad8fa3d589640bd6114073bb5e607a962b644ef
SHA512

26a183eff38bb14e16253cd90d4b4e1c95d1cb90774217f8e893a3244542a7db94181d97f5d0d961dcd2bc6cc71dc8146e29bfb452f83f92386dcc5b4eb8e18a
SSDEEP

1536:UkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg/HuS4hcTO97v7UYdEJmEj7u:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgm

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://yakosurf.com/wp-includes/y9jgKE7f1wMM/

xlm40.dropper

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

xlm40.dropper

http://armannahalpersian.ir/armannahalpersian/byxUd7hAO2/

xlm40.dropper

http://disweb.sk/lfHCegwZndgMs/KFfG/

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	1356	1320	regsvr32.exe	84
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5016	1320	regsvr32.exe	84
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1004	1320	regsvr32.exe	84
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1132	1320	regsvr32.exe	84

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
1320	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1320	EXCEL.EXE
1320	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 1356	1320	EXCEL.EXE	90
PID 1320 wrote to memory of 1356	1320	EXCEL.EXE	90
PID 1320 wrote to memory of 5016	1320	EXCEL.EXE	94
PID 1320 wrote to memory of 5016	1320	EXCEL.EXE	94
PID 1320 wrote to memory of 1004	1320	EXCEL.EXE	95
PID 1320 wrote to memory of 1004	1320	EXCEL.EXE	95
PID 1320 wrote to memory of 1132	1320	EXCEL.EXE	96
PID 1320 wrote to memory of 1132	1320	EXCEL.EXE	96

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\be0ee2c07ce80d5eaf570ff2bad8fa3d589640bd6114073bb5e607a962b644ef.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:1320
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1356
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:5016
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1004
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1132

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
4be1cda242141ff35f5cf6d6c4c722a9

SHA1
5401d436a21be7db59db27ef521a69018890b759

SHA256
f1b17bedd5c1b4f7aaa55d37dfd2e8311ddabb56e223f6bee1154e895a25c9a6

SHA512
5cf5a7ff6f8576581173db57f5c1640a2593094954a60d3a26602ce0550187d0361cb66cf3bb2aa84b4f67af81f6e0586da6d22e8b2dcd4eca252dcaaeff0346

Download Submit
memory/1320-10-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/1320-16-0x00007FF81D550000-0x00007FF81D560000-memory.dmp

Filesize
64KB

Download
memory/1320-6-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/1320-7-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download
memory/1320-11-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/1320-14-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/1320-13-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/1320-12-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/1320-15-0x00007FF81D550000-0x00007FF81D560000-memory.dmp

Filesize
64KB

Download
memory/1320-0-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download
memory/1320-3-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download
memory/1320-8-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/1320-9-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/1320-5-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/1320-4-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download
memory/1320-2-0x00007FF81F5B0000-0x00007FF81F5C0000-memory.dmp

Filesize
64KB

Download
memory/1320-43-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/1320-44-0x00007FF85F5CD000-0x00007FF85F5CE000-memory.dmp

Filesize
4KB

Download
memory/1320-45-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/1320-46-0x00007FF85F530000-0x00007FF85F725000-memory.dmp

Filesize
2.0MB

Download
memory/1320-1-0x00007FF85F5CD000-0x00007FF85F5CE000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads