aa84075a08acb893f94c1a07690928be80c44b89d71358a655ac616f98efc6d2

General

Target

aa84075a08acb893f94c1a07690928be80c44b89d71358a655ac616f98efc6d2.xls
Size

96KB
MD5

5863705df867220ecee91926ce9afc6d
SHA1

8cf80f8009f4a1ee2afffeb106b929676df9ea41
SHA256

aa84075a08acb893f94c1a07690928be80c44b89d71358a655ac616f98efc6d2
SHA512

b3e8bdc3db6692f186501f9e5f23523ef23c956f192f464b0c3796c0c9f73836bff9231ccda4a0cf185ee35b0efa03b162d59cdcc85f7abcc474e14a4b99eb77
SSDEEP

1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg4jHuS4hcTO97v7UYdEJm3N:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgV

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://fisika.mipa.uns.ac.id/reseller/img/nRAvAgoY8Y/

xlm40.dropper

http://greycoconut.com/edm/71qUA/

xlm40.dropper

http://zonainformatica.es/tienda/XCHJmidSYTkE/

xlm40.dropper

http://balletmagazine.ro/wp-content/9VrMPV/

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	4128	2600	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3124	2600	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	228	2600	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4304	2600	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 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
2600	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2600	EXCEL.EXE
2600	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2600	EXCEL.EXE
2600	EXCEL.EXE
2600	EXCEL.EXE
2600	EXCEL.EXE
2600	EXCEL.EXE
2600	EXCEL.EXE
2600	EXCEL.EXE
2600	EXCEL.EXE
2600	EXCEL.EXE
2600	EXCEL.EXE
2600	EXCEL.EXE
2600	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 4128	2600	EXCEL.EXE	84
PID 2600 wrote to memory of 4128	2600	EXCEL.EXE	84
PID 2600 wrote to memory of 3124	2600	EXCEL.EXE	90
PID 2600 wrote to memory of 3124	2600	EXCEL.EXE	90
PID 2600 wrote to memory of 228	2600	EXCEL.EXE	91
PID 2600 wrote to memory of 228	2600	EXCEL.EXE	91
PID 2600 wrote to memory of 4304	2600	EXCEL.EXE	92
PID 2600 wrote to memory of 4304	2600	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\aa84075a08acb893f94c1a07690928be80c44b89d71358a655ac616f98efc6d2.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:2600
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4128
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3124
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:228
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4304

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
d58706f41b82e74b39c338735d62735e

SHA1
ce1771f5ec09c7f9e4a2f1dd48abae0ffb76a1dd

SHA256
82f6d30674745fc28fac46d4036c848d71c4bf3e6ad4c3c7cfbb68fceffe375d

SHA512
e07a01b652e767b885e61c1d014d9f72ab51a6cd4471b3db8082d82d7f7272cdde1f000d5dc6f0d0980eab7b8f11504d95c045f351bf1ffd4ca6034b24b0d256

Download Submit
C:\Users\Admin\soci2.ocx

Filesize
36KB

MD5
3b79e62476916ff33ddc0668a0898e6d

SHA1
fe4f73a8019a0407cec5e2eb0c344adc4ab73bae

SHA256
418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81

SHA512
3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

Download Submit
memory/2600-14-0x00007FFBCEA70000-0x00007FFBCEA80000-memory.dmp

Filesize
64KB

Download
memory/2600-9-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-2-0x00007FFBD0C50000-0x00007FFBD0C60000-memory.dmp

Filesize
64KB

Download
memory/2600-8-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-10-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-11-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-15-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-12-0x00007FFBCEA70000-0x00007FFBCEA80000-memory.dmp

Filesize
64KB

Download
memory/2600-7-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-13-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-3-0x00007FFBD0C50000-0x00007FFBD0C60000-memory.dmp

Filesize
64KB

Download
memory/2600-1-0x00007FFC10C6D000-0x00007FFC10C6E000-memory.dmp

Filesize
4KB

Download
memory/2600-19-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-18-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-16-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-20-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-17-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-6-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-5-0x00007FFBD0C50000-0x00007FFBD0C60000-memory.dmp

Filesize
64KB

Download
memory/2600-4-0x00007FFBD0C50000-0x00007FFBD0C60000-memory.dmp

Filesize
64KB

Download
memory/2600-39-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-40-0x00007FFC10C6D000-0x00007FFC10C6E000-memory.dmp

Filesize
4KB

Download
memory/2600-41-0x00007FFC10BD0000-0x00007FFC10DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2600-0-0x00007FFBD0C50000-0x00007FFBD0C60000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads