icedid | eb479f2f3d0b1d7df00099ce70f96c91765ffd2319486e903f7d078a9dd6fb87

General

Target
document-107331452.xlsm
Size 106KB
Sample210331-6bxmg8ryen
SHA256 eb479f2f3d0b1d7df00099ce70f96c91765ffd2319486e903f7d078a9dd6fb87
MD5 2e5e5a9dc7f7da66bab49e02d226f617
SHA1 828eca92e55fdd83239bd0140fc5652707384eee
SHA512 6365f369b78650249b7dcd29eecf77ac8665e599a4373256139b3ee04e7bc1df1936fe913c354f5b5bc4ef6d84e93d8a27b40d1e943a296c5e0d7c3218a9a273
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	3736	636	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3200	636	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1972	636	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2164	636	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3620	636	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/3620-14-0x000002B774400000-0x000002B774407000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
47	3620	rundll32.exe
49	3620	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3620	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
636	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3620	rundll32.exe
3620	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE
636	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 3736	636	EXCEL.EXE	80
PID 636 wrote to memory of 3736	636	EXCEL.EXE	80
PID 636 wrote to memory of 3200	636	EXCEL.EXE	81
PID 636 wrote to memory of 3200	636	EXCEL.EXE	81
PID 636 wrote to memory of 1972	636	EXCEL.EXE	82
PID 636 wrote to memory of 1972	636	EXCEL.EXE	82
PID 636 wrote to memory of 2164	636	EXCEL.EXE	83
PID 636 wrote to memory of 2164	636	EXCEL.EXE	83
PID 636 wrote to memory of 3620	636	EXCEL.EXE	84
PID 636 wrote to memory of 3620	636	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-107331452.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3736
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3200
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1972
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2164
- 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:3620

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/636-3-0x00007FF9DD1F0000-0x00007FF9DD200000-memory.dmp

Download

memory/636-4-0x00007FF9DD1F0000-0x00007FF9DD200000-memory.dmp

Download

memory/636-5-0x00007FF9DD1F0000-0x00007FF9DD200000-memory.dmp

Download

memory/636-6-0x00007FFA007A0000-0x00007FFA00DD7000-memory.dmp

Download

memory/636-2-0x00007FF9DD1F0000-0x00007FF9DD200000-memory.dmp

Download

memory/3620-14-0x000002B774400000-0x000002B774407000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads