icedid | cf4ec30c992cd0334e209158088ce304499aaece87949153d0807653ab4f7a81

General

Target
document-1035404132.xlsm
Size 106KB
Sample210331-smxpfyns4e
SHA256 cf4ec30c992cd0334e209158088ce304499aaece87949153d0807653ab4f7a81
MD5 62af0b7448b72fedc58011f2c268cdc3
SHA1 72f07ef1afcbe4d9f4bb9c80cfa6613ffabc9a03
SHA512 a692f2da575c4fb62ecf6cadd932fbec1bcb1d0c1a5744a444ff9bcf3e254d46d0b742c2a03c8e09d83fdb94109e1f2fe528db755a52fd61c51a2a30dc7dc394
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	1672	3996	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2056	3996	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2472	3996	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	424	3996	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2676	3996	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/2676-14-0x000002321C8B0000-0x000002321C8B7000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
49	2676	rundll32.exe
51	2676	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2676	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
3996	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2676	rundll32.exe
2676	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 1672	3996	EXCEL.EXE	80
PID 3996 wrote to memory of 1672	3996	EXCEL.EXE	80
PID 3996 wrote to memory of 2056	3996	EXCEL.EXE	81
PID 3996 wrote to memory of 2056	3996	EXCEL.EXE	81
PID 3996 wrote to memory of 2472	3996	EXCEL.EXE	82
PID 3996 wrote to memory of 2472	3996	EXCEL.EXE	82
PID 3996 wrote to memory of 424	3996	EXCEL.EXE	83
PID 3996 wrote to memory of 424	3996	EXCEL.EXE	83
PID 3996 wrote to memory of 2676	3996	EXCEL.EXE	84
PID 3996 wrote to memory of 2676	3996	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-1035404132.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3996
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1672
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2056
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2472
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:424
- 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:2676

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/2676-14-0x000002321C8B0000-0x000002321C8B7000-memory.dmp

Download

memory/3996-6-0x00007FFC108D0000-0x00007FFC108E0000-memory.dmp

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memory/3996-5-0x00007FFC33A20000-0x00007FFC34057000-memory.dmp

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memory/3996-2-0x00007FFC108D0000-0x00007FFC108E0000-memory.dmp

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memory/3996-4-0x00007FFC108D0000-0x00007FFC108E0000-memory.dmp

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memory/3996-3-0x00007FFC108D0000-0x00007FFC108E0000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads