070d9fffb97de124a1ef6979c4250c1e580e854d370a1f7b626bf62f5bcfa7b9

General

Target

070d9fffb97de124a1ef6979c4250c1e580e854d370a1f7b626bf62f5bcfa7b9.xls
Size

95KB
MD5

53db7027ebe87942dab849ff3e4390b7
SHA1

24c13cfe44588bec753baacc50d646b290ce2aaa
SHA256

070d9fffb97de124a1ef6979c4250c1e580e854d370a1f7b626bf62f5bcfa7b9
SHA512

771a99e631c603a43d36e38f199d2fd6b6318df2924b8f761de5e19a9dba664703ff8ca827ae6b71fe9682deba2a7338927e0bd48452df661c1caa9cb6729f3c
SSDEEP

1536:UkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg/HuS4hcTO97v7UYdEJmEj7e:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgW

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	2544	964	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2392	964	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3300	964	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4428	964	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
964	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
964	EXCEL.EXE
964	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
964	EXCEL.EXE
964	EXCEL.EXE
964	EXCEL.EXE
964	EXCEL.EXE
964	EXCEL.EXE
964	EXCEL.EXE
964	EXCEL.EXE
964	EXCEL.EXE
964	EXCEL.EXE
964	EXCEL.EXE
964	EXCEL.EXE
964	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 2544	964	EXCEL.EXE	86
PID 964 wrote to memory of 2544	964	EXCEL.EXE	86
PID 964 wrote to memory of 2392	964	EXCEL.EXE	90
PID 964 wrote to memory of 2392	964	EXCEL.EXE	90
PID 964 wrote to memory of 3300	964	EXCEL.EXE	91
PID 964 wrote to memory of 3300	964	EXCEL.EXE	91
PID 964 wrote to memory of 4428	964	EXCEL.EXE	92
PID 964 wrote to memory of 4428	964	EXCEL.EXE	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\070d9fffb97de124a1ef6979c4250c1e580e854d370a1f7b626bf62f5bcfa7b9.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:964
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2544
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2392
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3300
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4428

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
b6c0f4588012f1e3845590eb9f9900db

SHA1
56adcacb3d6fdaa4643e2b8762f01b3eabbcd089

SHA256
dc2de5b1677ddf666add47e0b4fcc356c0ad526c8ac9aa9e4a51dfc7eb24add0

SHA512
86f2c5b0743b38e4598ebb92cd5f7b25a4170b1d47f51247204d7d9db4dce893b7c165e1bfc379d03628929f906f0c0aa9bd8057bff12fb1e1762499846ee8bc

Download Submit
memory/964-8-0x00007FF949D50000-0x00007FF949F45000-memory.dmp

Filesize
2.0MB

Download
memory/964-1-0x00007FF909DD0000-0x00007FF909DE0000-memory.dmp

Filesize
64KB

Download
memory/964-0-0x00007FF909DD0000-0x00007FF909DE0000-memory.dmp

Filesize
64KB

Download
memory/964-4-0x00007FF949D50000-0x00007FF949F45000-memory.dmp

Filesize
2.0MB

Download
memory/964-5-0x00007FF909DD0000-0x00007FF909DE0000-memory.dmp

Filesize
64KB

Download
memory/964-6-0x00007FF949D50000-0x00007FF949F45000-memory.dmp

Filesize
2.0MB

Download
memory/964-7-0x00007FF909DD0000-0x00007FF909DE0000-memory.dmp

Filesize
64KB

Download
memory/964-9-0x00007FF949D50000-0x00007FF949F45000-memory.dmp

Filesize
2.0MB

Download
memory/964-2-0x00007FF909DD0000-0x00007FF909DE0000-memory.dmp

Filesize
64KB

Download
memory/964-10-0x00007FF949D50000-0x00007FF949F45000-memory.dmp

Filesize
2.0MB

Download
memory/964-15-0x00007FF907570000-0x00007FF907580000-memory.dmp

Filesize
64KB

Download
memory/964-13-0x00007FF949D50000-0x00007FF949F45000-memory.dmp

Filesize
2.0MB

Download
memory/964-11-0x00007FF907570000-0x00007FF907580000-memory.dmp

Filesize
64KB

Download
memory/964-14-0x00007FF949D50000-0x00007FF949F45000-memory.dmp

Filesize
2.0MB

Download
memory/964-16-0x00007FF949D50000-0x00007FF949F45000-memory.dmp

Filesize
2.0MB

Download
memory/964-18-0x00007FF949D50000-0x00007FF949F45000-memory.dmp

Filesize
2.0MB

Download
memory/964-17-0x00007FF949D50000-0x00007FF949F45000-memory.dmp

Filesize
2.0MB

Download
memory/964-12-0x00007FF949D50000-0x00007FF949F45000-memory.dmp

Filesize
2.0MB

Download
memory/964-45-0x00007FF949D50000-0x00007FF949F45000-memory.dmp

Filesize
2.0MB

Download
memory/964-3-0x00007FF949DED000-0x00007FF949DEE000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads