74318ee6ddd9a64b1adab9f56d664fc278a3c2256f34e5b2872cf88a7f3ae293

General

Target

74318ee6ddd9a64b1adab9f56d664fc278a3c2256f34e5b2872cf88a7f3ae293.xls
Size

95KB
MD5

3ab9d6b675d23446af2b3df65ac8245c
SHA1

2f0650d441f4a6cf4bab258c2ea7d1d35303f691
SHA256

74318ee6ddd9a64b1adab9f56d664fc278a3c2256f34e5b2872cf88a7f3ae293
SHA512

4858f6582682ee2563855219530034622f4bb36ea2e0094e2b4d830db13a9b02c75ad19e1f190d48823974a335379bc2703dcf39f3f6d994ae0b66b315c96331
SSDEEP

1536:PFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgCHuS4hcTO97v7UYdEJmUr:tKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgy

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.sunflowerlaboratory.in/fonts/79Tq62ly/

xlm40.dropper

http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/

xlm40.dropper

http://agtrade.hu/images/kiQYmOs2tSKq/

xlm40.dropper

https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/

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	3556	1132	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3668	1132	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3096	1132	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3992	1132	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
1132	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1132	EXCEL.EXE
1132	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1132	EXCEL.EXE
1132	EXCEL.EXE
1132	EXCEL.EXE
1132	EXCEL.EXE
1132	EXCEL.EXE
1132	EXCEL.EXE
1132	EXCEL.EXE
1132	EXCEL.EXE
1132	EXCEL.EXE
1132	EXCEL.EXE
1132	EXCEL.EXE
1132	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 3556	1132	EXCEL.EXE	83
PID 1132 wrote to memory of 3556	1132	EXCEL.EXE	83
PID 1132 wrote to memory of 3668	1132	EXCEL.EXE	87
PID 1132 wrote to memory of 3668	1132	EXCEL.EXE	87
PID 1132 wrote to memory of 3096	1132	EXCEL.EXE	91
PID 1132 wrote to memory of 3096	1132	EXCEL.EXE	91
PID 1132 wrote to memory of 3992	1132	EXCEL.EXE	92
PID 1132 wrote to memory of 3992	1132	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\74318ee6ddd9a64b1adab9f56d664fc278a3c2256f34e5b2872cf88a7f3ae293.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:1132
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3556
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3668
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3096
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3992

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
68c7ae2b945a32806071a973268b56f3

SHA1
b0ffd6a316e564dc2ea623d9ab59d457980388f4

SHA256
df65a12b67bb6209c401e0e375159bce43a96b0dd591e04d8bf55f63f186c088

SHA512
797b5b0ac20d82445d214e9e79858451c9dfa31ae9e08ecbcf668e1364db0564f9719fff51b455c9b9211652e84a44a4b543322c6e5437f0760ee549d874c24a

Download Submit
memory/1132-14-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/1132-3-0x00007FF834450000-0x00007FF834460000-memory.dmp

Filesize
64KB

Download
memory/1132-16-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/1132-4-0x00007FF834450000-0x00007FF834460000-memory.dmp

Filesize
64KB

Download
memory/1132-8-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/1132-7-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/1132-6-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/1132-11-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/1132-12-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/1132-0-0x00007FF834450000-0x00007FF834460000-memory.dmp

Filesize
64KB

Download
memory/1132-1-0x00007FF87446D000-0x00007FF87446E000-memory.dmp

Filesize
4KB

Download
memory/1132-2-0x00007FF834450000-0x00007FF834460000-memory.dmp

Filesize
64KB

Download
memory/1132-13-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/1132-10-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/1132-9-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/1132-5-0x00007FF834450000-0x00007FF834460000-memory.dmp

Filesize
64KB

Download
memory/1132-17-0x00007FF8323F0000-0x00007FF832400000-memory.dmp

Filesize
64KB

Download
memory/1132-18-0x00007FF8323F0000-0x00007FF832400000-memory.dmp

Filesize
64KB

Download
memory/1132-34-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/1132-35-0x00007FF87446D000-0x00007FF87446E000-memory.dmp

Filesize
4KB

Download
memory/1132-36-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/1132-15-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads