894658b992050ab6d7ee061f083a48264ce56c1b4fbc5ac87c142765405a47f7

General

Target

lebjfxvv.xlsm
Size

50KB
MD5

793c5a832ea9b3c4a225bc96b4449bc2
SHA1

168afc78144b659b18b606a26c3e9a6343dd104a
SHA256

894658b992050ab6d7ee061f083a48264ce56c1b4fbc5ac87c142765405a47f7
SHA512

df041addb6c8113b2add5439f8ce258016233a47a13a3d540187872e4ac25fe3ac87b016bb391a703e0cb73189f1720c0e723b6df47ef971238312ed77a9b607

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{DAE5480C-B0D4-45F3-BFFF-69A29CB15E90}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{3063BB08-A26B-4ED5-95BB-28079BFF5A35}.catalogItem	svchost.exe

Checks processor information in registry 2 TTPs 6 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe
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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1916	EXCEL.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1916	EXCEL.EXE
1916	EXCEL.EXE
1916	EXCEL.EXE
1916	EXCEL.EXE
1916	EXCEL.EXE
1916	EXCEL.EXE
1916	EXCEL.EXE
1916	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\lebjfxvv.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1916

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4636

Network

MITRE ATT&CK Enterprise v6

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

memory/1916-130-0x00007FFE82DF0000-0x00007FFE82E00000-memory.dmp

Filesize
64KB

Download
memory/1916-131-0x00007FFE82DF0000-0x00007FFE82E00000-memory.dmp

Filesize
64KB

Download
memory/1916-132-0x00007FFE82DF0000-0x00007FFE82E00000-memory.dmp

Filesize
64KB

Download
memory/1916-133-0x00007FFE82DF0000-0x00007FFE82E00000-memory.dmp

Filesize
64KB

Download
memory/1916-134-0x00007FFE82DF0000-0x00007FFE82E00000-memory.dmp

Filesize
64KB

Download
memory/1916-135-0x00007FFE806C0000-0x00007FFE806D0000-memory.dmp

Filesize
64KB

Download
memory/1916-136-0x00007FFE806C0000-0x00007FFE806D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads