icedid | 86e290b8a41fe6fcec60d26be27e294eb4b19134ed943a458d5da221e3ac654f

General

Target
document-1932423334.xlsm
Size 106KB
Sample210331-nwr3lmtlpj
SHA256 86e290b8a41fe6fcec60d26be27e294eb4b19134ed943a458d5da221e3ac654f
MD5 04732ea5acabd059fe772abe383cace6
SHA1 7937a13fee49b0d0a4fbaf988df3b4fcf1cc170d
SHA512 31eb629018314443d5712fd57e24fe21524a71baeba493816e25feb12fbde567aa0d5ab76fa53c99d18828829087319ac4d65e63e7872fa7c5c5991e8efa64a1
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	2072	732	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2480	732	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2412	732	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1844	732	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1848	732	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/1848-14-0x000001E5FCD30000-0x000001E5FCD37000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 1 IoCs

flow	pid	Process
49	1848	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1848	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
732	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1848	rundll32.exe
1848	rundll32.exe

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 732 wrote to memory of 2072	732	EXCEL.EXE	81
PID 732 wrote to memory of 2072	732	EXCEL.EXE	81
PID 732 wrote to memory of 2480	732	EXCEL.EXE	82
PID 732 wrote to memory of 2480	732	EXCEL.EXE	82
PID 732 wrote to memory of 2412	732	EXCEL.EXE	83
PID 732 wrote to memory of 2412	732	EXCEL.EXE	83
PID 732 wrote to memory of 1844	732	EXCEL.EXE	84
PID 732 wrote to memory of 1844	732	EXCEL.EXE	84
PID 732 wrote to memory of 1848	732	EXCEL.EXE	85
PID 732 wrote to memory of 1848	732	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-1932423334.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:732
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2072
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2480
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2412
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1844
- 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:1848

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/732-3-0x00007FF97B640000-0x00007FF97B650000-memory.dmp

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memory/732-4-0x00007FF97B640000-0x00007FF97B650000-memory.dmp

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memory/732-5-0x00007FF97B640000-0x00007FF97B650000-memory.dmp

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memory/732-6-0x00007FF99EAD0000-0x00007FF99F107000-memory.dmp

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memory/732-2-0x00007FF97B640000-0x00007FF97B650000-memory.dmp

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memory/1848-14-0x000001E5FCD30000-0x000001E5FCD37000-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