b5d5cd9f663587f2151ec927231d7058d317666224b71c201bf5db90658c12ac

Analysis

max time kernel
128s
max time network
131s
platform
windows10_x64
resource
win10-en-20211208
submitted
15-01-2022 01:16

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General

Target

b5d5cd9f663587f2151ec927231d7058d317666224b71c201bf5db90658c12ac.xlsm
Size

83KB
MD5

91ee11d4e4533a1346dc00ea597fe37e
SHA1

3948c694aca4b5d18a12bd2ff0fe5339d9923a02
SHA256

b5d5cd9f663587f2151ec927231d7058d317666224b71c201bf5db90658c12ac
SHA512

ad6a4640d5044aea187596b74013f6ca3e3e0382114d3bb55a2835e6a9aa0f807767d218ca5bfe9b31df851c765721b4a7c174aa0ee00e0d9a0410436ee9df03

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://recont.com/n8xbqb/lwEORjcJYPKCNQ/

xlm40.dropper

http://dichnghiatienganh.com/jvmqawn/2mdbSTjM1Lg/

xlm40.dropper

https://www.moharrampartners.com/requestion/wiA/

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

3056 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

3056 EXCEL.EXE
3056 EXCEL.EXE
3056 EXCEL.EXE
3056 EXCEL.EXE
3056 EXCEL.EXE
3056 EXCEL.EXE
3056 EXCEL.EXE
3056 EXCEL.EXE

pid	process
3056	EXCEL.EXE

pid	process
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	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\b5d5cd9f663587f2151ec927231d7058d317666224b71c201bf5db90658c12ac.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3056

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3056-115-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/3056-116-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/3056-117-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/3056-118-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download
memory/3056-120-0x000001D6E5B10000-0x000001D6E5B12000-memory.dmp

Filesize
8KB

Download
memory/3056-119-0x000001D6E5B10000-0x000001D6E5B12000-memory.dmp

Filesize
8KB

Download
memory/3056-121-0x000001D6E5B10000-0x000001D6E5B12000-memory.dmp

Filesize
8KB

Download
memory/3056-127-0x00007FF7F2D00000-0x00007FF7F2D10000-memory.dmp

Filesize
64KB

Download