372ba89820269d2349e4381a7f4e125dfa82e7b9f0589c0385c9889c7c6ec3c7

General

Target

C71-BA-5855-20-DS-003_D.xlsx
Size

358KB
MD5

9a77d8b9fdf76c8d459eb5fecef0fb83
SHA1

d855e29c67a71311bacacc810537752cfb2d52d2
SHA256

372ba89820269d2349e4381a7f4e125dfa82e7b9f0589c0385c9889c7c6ec3c7
SHA512

33cc323f6209e037f3e97b127a362120e7b5b3ba0a6be1c230e87232e01d415e20f6a0cddbde7da432b343dd0d9b610e6b938df3fc506e3ae3519fac233788a9
SSDEEP

6144:Onx1D+QTNF5IpmlMffBe1iQmS8uacw3h8T2I+UL4665Axz0A883:Ux9+4NFapfBe1iQmS8BcnT21AxK83

Score

1^/10

Malware Config

Signatures

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
1004	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
1004	EXCEL.EXE
1004	EXCEL.EXE
1004	EXCEL.EXE
1004	EXCEL.EXE
1004	EXCEL.EXE
1004	EXCEL.EXE
1004	EXCEL.EXE
1004	EXCEL.EXE
1004	EXCEL.EXE
1004	EXCEL.EXE
1004	EXCEL.EXE
1004	EXCEL.EXE
1004	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 4052	1004	EXCEL.EXE	95
PID 1004 wrote to memory of 4052	1004	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\C71-BA-5855-20-DS-003_D.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:4052

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:2820

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

Replay Monitor

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Downloads

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

Filesize
2KB

MD5
ce68dcc4188e75b31e4e9b66e015bdc2

SHA1
7f6363ff0202da0b61069ffca8d07920d9656eac

SHA256
e5a7825134f9bf203de5244c9a07e68f4b761895bee56e998e3303f12cb71b77

SHA512
28f8129bddc0ebc78ae1ef46cadba593d4076fcd30ac079371d8e82e6fa4079ce0c7981983642213e4af1cb2358b418ae96bbfe02ee5b350f61aecab5598a390

Download Submit
memory/1004-13-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-61-0x00007FFE6DEB0000-0x00007FFE6DEC0000-memory.dmp

Filesize
64KB

Download
memory/1004-2-0x00007FFE6DEB0000-0x00007FFE6DEC0000-memory.dmp

Filesize
64KB

Download
memory/1004-4-0x00007FFE6DEB0000-0x00007FFE6DEC0000-memory.dmp

Filesize
64KB

Download
memory/1004-15-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-5-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-7-0x00007FFE6DEB0000-0x00007FFE6DEC0000-memory.dmp

Filesize
64KB

Download
memory/1004-9-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-10-0x00007FFE6BCF0000-0x00007FFE6BD00000-memory.dmp

Filesize
64KB

Download
memory/1004-8-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-11-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-12-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-3-0x00007FFE6DEB0000-0x00007FFE6DEC0000-memory.dmp

Filesize
64KB

Download
memory/1004-14-0x00007FFE6BCF0000-0x00007FFE6BD00000-memory.dmp

Filesize
64KB

Download
memory/1004-6-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-18-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-17-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-16-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-28-0x00007FFEADECD000-0x00007FFEADECE000-memory.dmp

Filesize
4KB

Download
memory/1004-29-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-30-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-31-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download
memory/1004-1-0x00007FFE6DEB0000-0x00007FFE6DEC0000-memory.dmp

Filesize
64KB

Download
memory/1004-0-0x00007FFEADECD000-0x00007FFEADECE000-memory.dmp

Filesize
4KB

Download
memory/1004-62-0x00007FFE6DEB0000-0x00007FFE6DEC0000-memory.dmp

Filesize
64KB

Download
memory/1004-63-0x00007FFE6DEB0000-0x00007FFE6DEC0000-memory.dmp

Filesize
64KB

Download
memory/1004-64-0x00007FFE6DEB0000-0x00007FFE6DEC0000-memory.dmp

Filesize
64KB

Download
memory/1004-65-0x00007FFEADE30000-0x00007FFEAE025000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads