icedid | f7ae8626a38d960e73fc9b4696fa05236be83d0089b397f336a7e27d740f60ea

General

Target
document-392903694.xlsm
Size 106KB
Sample210331-8ghc6c99ms
SHA256 f7ae8626a38d960e73fc9b4696fa05236be83d0089b397f336a7e27d740f60ea
MD5 bcba26710ca7892628f32cb3c3612e58
SHA1 86c68113eaf66d2825e0fc9ee1066dc70a47402f
SHA512 2f1577f6ac81bb8a9614819b7264ae2414d085cbfef8928ae5b0e0d38a6f22d03c6d6f5381a9333b21bda359ac06b4ba9888a307c61ed7489e559100607b8a80
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	4492	4688	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4516	4688	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	532	4688	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	580	4688	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	832	4688	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/832-14-0x0000011A46F30000-0x0000011A46F37000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
46	832	rundll32.exe
49	832	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
832	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
4688	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
832	rundll32.exe
832	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 4492	4688	EXCEL.EXE	81
PID 4688 wrote to memory of 4492	4688	EXCEL.EXE	81
PID 4688 wrote to memory of 4516	4688	EXCEL.EXE	82
PID 4688 wrote to memory of 4516	4688	EXCEL.EXE	82
PID 4688 wrote to memory of 532	4688	EXCEL.EXE	83
PID 4688 wrote to memory of 532	4688	EXCEL.EXE	83
PID 4688 wrote to memory of 580	4688	EXCEL.EXE	84
PID 4688 wrote to memory of 580	4688	EXCEL.EXE	84
PID 4688 wrote to memory of 832	4688	EXCEL.EXE	85
PID 4688 wrote to memory of 832	4688	EXCEL.EXE	85

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-392903694.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:4492
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:4516
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:532
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:580
- 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:832

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/832-14-0x0000011A46F30000-0x0000011A46F37000-memory.dmp

Download

memory/4688-2-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp

Download

memory/4688-6-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp

Download

memory/4688-5-0x00007FFEEB050000-0x00007FFEEB687000-memory.dmp

Download

memory/4688-4-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp

Download

memory/4688-3-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads