df31f4d0dfa06029237f9599458cde53165850e45a96e4e4060ff3c948e48d16

Analysis

max time kernel
148s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2022, 12:15

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General

Target

Requirement.xll
Size

596KB
MD5

da8b3c5ea6ec062d23052d226dbe161a
SHA1

c0f6c3a783ca16f66b59bafa4a4d21062060e543
SHA256

df31f4d0dfa06029237f9599458cde53165850e45a96e4e4060ff3c948e48d16
SHA512

895129d442cd97a852b92a2f7f8fb3dfb3fb8107e3c4dcfe3cd0c2d59178befec35e40ef9559571c236b87295922349e9713b47600ff567a817393b154d77e66
SSDEEP

12288:CPOfHIGxQ/39S8bzbBSredU9Cw+t5QnDa6RBSBS:CSHIsQvrX1NU9OXQDaq8

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

Signatures

Loads dropped DLL 2 IoCs

pid	Process
3788	EXCEL.EXE
3788	EXCEL.EXE

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
3788	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3788	EXCEL.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3788	EXCEL.EXE
3788	EXCEL.EXE
3788	EXCEL.EXE
3788	EXCEL.EXE
3788	EXCEL.EXE
3788	EXCEL.EXE
3788	EXCEL.EXE
3788	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\Requirement.xll"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Requirement.xll

Filesize
596KB

MD5
da8b3c5ea6ec062d23052d226dbe161a

SHA1
c0f6c3a783ca16f66b59bafa4a4d21062060e543

SHA256
df31f4d0dfa06029237f9599458cde53165850e45a96e4e4060ff3c948e48d16

SHA512
895129d442cd97a852b92a2f7f8fb3dfb3fb8107e3c4dcfe3cd0c2d59178befec35e40ef9559571c236b87295922349e9713b47600ff567a817393b154d77e66

Download Submit
C:\Users\Admin\AppData\Local\Temp\Requirement.xll

Filesize
596KB

MD5
da8b3c5ea6ec062d23052d226dbe161a

SHA1
c0f6c3a783ca16f66b59bafa4a4d21062060e543

SHA256
df31f4d0dfa06029237f9599458cde53165850e45a96e4e4060ff3c948e48d16

SHA512
895129d442cd97a852b92a2f7f8fb3dfb3fb8107e3c4dcfe3cd0c2d59178befec35e40ef9559571c236b87295922349e9713b47600ff567a817393b154d77e66

Download Submit
memory/3788-140-0x0000011030380000-0x000001103042E000-memory.dmp

Filesize
696KB

Download
memory/3788-144-0x0000011049E9C000-0x0000011049E9F000-memory.dmp

Filesize
12KB

Download
memory/3788-136-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

Filesize
64KB

Download
memory/3788-137-0x00007FF8E1100000-0x00007FF8E1110000-memory.dmp

Filesize
64KB

Download
memory/3788-138-0x00007FF8E1100000-0x00007FF8E1110000-memory.dmp

Filesize
64KB

Download
memory/3788-133-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

Filesize
64KB

Download
memory/3788-132-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

Filesize
64KB

Download
memory/3788-134-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

Filesize
64KB

Download
memory/3788-143-0x00007FF8FAB00000-0x00007FF8FB5C1000-memory.dmp

Filesize
10.8MB

Download
memory/3788-135-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

Filesize
64KB

Download
memory/3788-145-0x00007FF8FAB00000-0x00007FF8FB5C1000-memory.dmp

Filesize
10.8MB

Download
memory/3788-146-0x0000011049E9C000-0x0000011049E9F000-memory.dmp

Filesize
12KB

Download
memory/3788-148-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

Filesize
64KB

Download
memory/3788-150-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

Filesize
64KB

Download
memory/3788-149-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

Filesize
64KB

Download
memory/3788-151-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

Filesize
64KB

Download
memory/3788-152-0x00007FF8FAB00000-0x00007FF8FB5C1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads