icedid | 03c1e9912198dcdf6f80cd945874534e48ebd1676d22e722f2379944e928d042

General

Target
document-1226087494.xlsm
Size 106KB
Sample210331-wqcx5wspln
SHA256 03c1e9912198dcdf6f80cd945874534e48ebd1676d22e722f2379944e928d042
MD5 f579e1a811bba1a87be2468db01cbe1b
SHA1 9b32fa67c17ba9290cd48b1ea5474a2740c901c8
SHA512 5b65034533f1d28539ef0596cad3c9c6fa4874b7357a370a8e7a34d81cf8fbd3ad35ca7bd5d10f62c2dfb6987f54f1960d5e0f10679b29797c3dd6c7882b81db
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	2188	580	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3940	580	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3740	580	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3924	580	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3524	580	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/3524-14-0x000001D6D3900000-0x000001D6D3907000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
52	3524	rundll32.exe
54	3524	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3524	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
580	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3524	rundll32.exe
3524	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 580 wrote to memory of 2188	580	EXCEL.EXE	80
PID 580 wrote to memory of 2188	580	EXCEL.EXE	80
PID 580 wrote to memory of 3940	580	EXCEL.EXE	81
PID 580 wrote to memory of 3940	580	EXCEL.EXE	81
PID 580 wrote to memory of 3740	580	EXCEL.EXE	82
PID 580 wrote to memory of 3740	580	EXCEL.EXE	82
PID 580 wrote to memory of 3924	580	EXCEL.EXE	83
PID 580 wrote to memory of 3924	580	EXCEL.EXE	83
PID 580 wrote to memory of 3524	580	EXCEL.EXE	84
PID 580 wrote to memory of 3524	580	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-1226087494.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:580
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2188
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3940
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3740
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3924
- 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:3524

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/580-2-0x00007FFD37CB0000-0x00007FFD37CC0000-memory.dmp

Download

memory/580-3-0x00007FFD37CB0000-0x00007FFD37CC0000-memory.dmp

Download

memory/580-4-0x00007FFD37CB0000-0x00007FFD37CC0000-memory.dmp

Download

memory/580-5-0x00007FFD5E010000-0x00007FFD5E647000-memory.dmp

Download

memory/580-6-0x00007FFD37CB0000-0x00007FFD37CC0000-memory.dmp

Download

memory/3524-14-0x000001D6D3900000-0x000001D6D3907000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads