icedid | 5d8cd0de2bba3dc6b46cb875e0f52d3a914ca90fd56baa79517b64eff7a704be

General

Target
document-1241308638.xlsm
Size 106KB
Sample210331-s9z4axe9z2
SHA256 5d8cd0de2bba3dc6b46cb875e0f52d3a914ca90fd56baa79517b64eff7a704be
MD5 f2d5a308639e0f6da97d8fc3daed0dfb
SHA1 6c56da6750b36153246ef8e8969f1b604b711277
SHA512 1d591c08969aa76d405fec97b09fe78cb571108587ee64887a6a60be6bcacf5d6fc8a4fa4646bc47a60ffedcb4505b230e0aa761c2ae1fc40500495dabda1bb9
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	3032	652	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3620	652	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2080	652	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2804	652	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4048	652	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/4048-14-0x000001C8F5120000-0x000001C8F5127000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
47	4048	rundll32.exe
50	4048	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4048	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 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
652	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4048	rundll32.exe
4048	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 652 wrote to memory of 3032	652	EXCEL.EXE	80
PID 652 wrote to memory of 3032	652	EXCEL.EXE	80
PID 652 wrote to memory of 3620	652	EXCEL.EXE	81
PID 652 wrote to memory of 3620	652	EXCEL.EXE	81
PID 652 wrote to memory of 2080	652	EXCEL.EXE	82
PID 652 wrote to memory of 2080	652	EXCEL.EXE	82
PID 652 wrote to memory of 2804	652	EXCEL.EXE	83
PID 652 wrote to memory of 2804	652	EXCEL.EXE	83
PID 652 wrote to memory of 4048	652	EXCEL.EXE	84
PID 652 wrote to memory of 4048	652	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-1241308638.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:652
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3032
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3620
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2080
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2804
- 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:4048

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/652-3-0x00007FF9DD1F0000-0x00007FF9DD200000-memory.dmp

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memory/652-4-0x00007FF9DD1F0000-0x00007FF9DD200000-memory.dmp

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memory/652-5-0x00007FFA010F0000-0x00007FFA01727000-memory.dmp

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memory/652-6-0x00007FF9DD1F0000-0x00007FF9DD200000-memory.dmp

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memory/652-2-0x00007FF9DD1F0000-0x00007FF9DD200000-memory.dmp

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memory/4048-14-0x000001C8F5120000-0x000001C8F5127000-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