b500e4af65eb9eea068b784f2ff09a2f300f86bea8d09fe4ee8aabd8858c32ed

General

Target
IcedID Doc.doc
Size 114KB
Sample200717-ldaj4624x6
SHA256 b500e4af65eb9eea068b784f2ff09a2f300f86bea8d09fe4ee8aabd8858c32ed
MD5 b5934c0320a01f2482eeb3edcd94747a
SHA1 84e893030b078ee3a3230a7f3347ce8069c14cdc
SHA512 03639750d7cab927bc7215da9e8d204fb43f1cebfc772ceb6ad9a81833b346f698a698abcdd70b15adb9751694d36db0a4dc78cabd0dd89ac29a33da51493b34
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2200	regsvr32.exe
2200	regsvr32.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	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.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	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Suspicious use of SetWindowsHookEx 20 IoCs

pid	Process
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE
3768	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3768	WINWORD.EXE
3768	WINWORD.EXE

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\WINWORD.EXE is not expected to spawn this process	2540	3768	regsvr32.exe	65

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3768 wrote to memory of 2540	3768	WINWORD.EXE	69
PID 3768 wrote to memory of 2540	3768	WINWORD.EXE	69
PID 2540 wrote to memory of 2200	2540	regsvr32.exe	70
PID 2540 wrote to memory of 2200	2540	regsvr32.exe	70
PID 2540 wrote to memory of 2200	2540	regsvr32.exe	70

Loads dropped DLL 1 IoCs

pid	Process
2200	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\IcedID Doc.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
PID:3768
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" rk.tmp
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\regsvr32.exe
    rk.tmp
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Loads dropped DLL
    PID:2200

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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