27427a904391653fff86cc4d9a3c54645b932556bf1c14c65dbacebbbcf159f2

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
10-08-2024 01:07

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General

Target

27427a904391653fff86cc4d9a3c54645b932556bf1c14c65dbacebbbcf159f2.rtf
Size

610KB
MD5

5f04749efc3d57d3a4d63e28d44eb4d9
SHA1

e1bb4bec5b967adc72e2c6c35d906c264a5e679c
SHA256

27427a904391653fff86cc4d9a3c54645b932556bf1c14c65dbacebbbcf159f2
SHA512

668bd8222bc71b6e153711a5507f9c671e6f9c2a07014feda63c397f9acfbbc242d7983cd82418d9dc340ff0e22ec683de803fd18340fa18426ebf284278ffda
SSDEEP

6144:xwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAq:IL

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

WINWORD.EXEEQNEDT32.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.EXE

Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

2904 EQNEDT32.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2368 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2368 WINWORD.EXE
2368 WINWORD.EXE

pid	process
2904	EQNEDT32.EXE

pid	process
2368	WINWORD.EXE

pid	process
2368	WINWORD.EXE
2368	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2368 wrote to memory of 2736	2368	WINWORD.EXE	splwow64.exe
PID 2368 wrote to memory of 2736	2368	WINWORD.EXE	splwow64.exe
PID 2368 wrote to memory of 2736	2368	WINWORD.EXE	splwow64.exe
PID 2368 wrote to memory of 2736	2368	WINWORD.EXE	splwow64.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\27427a904391653fff86cc4d9a3c54645b932556bf1c14c65dbacebbbcf159f2.rtf"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2736

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- System Location Discovery: System Language Discovery
- Launches Equation Editor
PID:2904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

Filesize
19KB

MD5
fc04ae9ffa7210877572850ad7d9438a

SHA1
76e64b1695f8e103cafa58c3d50961ed9cfe1ea8

SHA256
3ae7a245b2b5871b3718bd3a913959ba00274675af2558e65948386332d22a7b

SHA512
d97830db32b6f0ac291b9965d1a4a667c483111df3927bb0c8f671f838d44235fbf7696a9a2b6139efed67e421f8f3e7d2650c885782f12b006a10158723bc2c

Download Submit
memory/2368-0-0x000000002F171000-0x000000002F172000-memory.dmp

Filesize
4KB

Download
memory/2368-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2368-2-0x000000007162D000-0x0000000071638000-memory.dmp

Filesize
44KB

Download
memory/2368-5-0x000000007162D000-0x0000000071638000-memory.dmp

Filesize
44KB

Download
memory/2368-26-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download