icedid | 1768f700782051f2a73acded86ef380f500247ff2a154a4b9756f5ef9488b8e2

General

Target
document-586537513.xlsm
Size 106KB
Sample210331-9d6fsf9zts
SHA256 1768f700782051f2a73acded86ef380f500247ff2a154a4b9756f5ef9488b8e2
MD5 5ec10eb5d9919973ef66145e9a54e44f
SHA1 3626cc4c22ff15228d6a072b5184d8ce10c4c918
SHA512 61cab8136a9037b95e304dd7177556138ece49857fc4290bcd3b43048627ab0938b7cd2913422eee535a020a649228ff48b0a57f71672d0eecd7c508adbf8cc5
MD5 SHA1 SHA512

Score

10^/10

icedid 3633240867 banker loader trojan

Malware Config

Extracted

Family

icedid

Campaign

3633240867

C2

afdeserutil32.website

Signatures

IcedID, BokBot
IcedID is a banking trojan capable of stealing credentials.
trojan banker icedid

Process spawned unexpected child process 5 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	3104	636	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3684	636	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1052	636	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2488	636	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3024	636	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/3024-14-0x00000218D0400000-0x00000218D0407000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 1 IoCs

flow	pid	Process
48	3024	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3024	rundll32.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 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
636	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3024	rundll32.exe
3024	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 3104	636	EXCEL.EXE	80
PID 636 wrote to memory of 3104	636	EXCEL.EXE	80
PID 636 wrote to memory of 3684	636	EXCEL.EXE	81
PID 636 wrote to memory of 3684	636	EXCEL.EXE	81
PID 636 wrote to memory of 1052	636	EXCEL.EXE	82
PID 636 wrote to memory of 1052	636	EXCEL.EXE	82
PID 636 wrote to memory of 2488	636	EXCEL.EXE	83
PID 636 wrote to memory of 2488	636	EXCEL.EXE	83
PID 636 wrote to memory of 3024	636	EXCEL.EXE	84
PID 636 wrote to memory of 3024	636	EXCEL.EXE	84

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-586537513.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3104
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3684
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1052
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2488
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk4,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:3024

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/636-2-0x00007FF9DD1F0000-0x00007FF9DD200000-memory.dmp

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memory/636-3-0x00007FF9DD1F0000-0x00007FF9DD200000-memory.dmp

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memory/636-4-0x00007FF9DD1F0000-0x00007FF9DD200000-memory.dmp

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memory/636-5-0x00007FF9DD1F0000-0x00007FF9DD200000-memory.dmp

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memory/636-6-0x00007FFA006B0000-0x00007FFA00CE7000-memory.dmp

Download

memory/3024-14-0x00000218D0400000-0x00000218D0407000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads