d64a4bc5a53e92c3c103fc2fb2c36a4e87dee2eed0cf12f3a3ad8d9b1f921d1e

Analysis

max time kernel
144s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
16-07-2024 23:19

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General

Target

document-2009388069.xls
Size

315KB
MD5

5b0b2913a724711bcf2f01821c93d205
SHA1

e64aac1ffe55d90519a489f4eb60b882ea34a10d
SHA256

facad0c1aeb04ece3d6f82cc217cc0a2c256db16bf648cd910d7675de4384178
SHA512

5141aa6b630de453aa95e929afef0d6159d1a063d86cad43a9f43ca73765da3c33a5261ae0023c30ad219b59bd5a5a8e76baef2425cbe7cd097167bdac8f18e8
SSDEEP

6144:VcKoSsxzNDZLDZjlbR868O8KlVH3l+cq7uDphYHceXVhca+fMHLty/xcl8OR4Pio:nWr0IRHM4p+3DavLhQS

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://app.itmagf.com/ds/1702.gif

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2748	1948	rundll32.exe	EXCEL.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1948 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1948 EXCEL.EXE
1948 EXCEL.EXE
1948 EXCEL.EXE
1948 EXCEL.EXE
1948 EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

pid	process
1948	EXCEL.EXE

pid	process
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1948 wrote to memory of 2748	1948	EXCEL.EXE	rundll32.exe
PID 1948 wrote to memory of 2748	1948	EXCEL.EXE	rundll32.exe
PID 1948 wrote to memory of 2748	1948	EXCEL.EXE	rundll32.exe
PID 1948 wrote to memory of 2748	1948	EXCEL.EXE	rundll32.exe
PID 1948 wrote to memory of 2748	1948	EXCEL.EXE	rundll32.exe
PID 1948 wrote to memory of 2748	1948	EXCEL.EXE	rundll32.exe
PID 1948 wrote to memory of 2748	1948	EXCEL.EXE	rundll32.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-2009388069.xls
1⤵
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\woifm.cjd,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

memory/1948-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1948-1-0x0000000072A2D000-0x0000000072A38000-memory.dmp

Filesize
44KB

Download
memory/1948-2-0x0000000072A2D000-0x0000000072A38000-memory.dmp

Filesize
44KB

Download