icedid | af6287215921e47ffddeb712de888552f114709013cc37a5bfa14e9f10afc402

General

Target
document-920340805.xlsm
Size 106KB
Sample210331-cztztnflh2
SHA256 af6287215921e47ffddeb712de888552f114709013cc37a5bfa14e9f10afc402
MD5 d9ce96f550f9b7ea0266c5562e2e62fa
SHA1 d599f5939187356bb15ee764580220db1797860f
SHA512 e9b7fd854249e2e76392032764e4dc6803e16a1ce3f763404ea3aa40930a76e01f9aa7853bfaa0e76c80956cbf60d02ca99a12177ed51e529c0d06c93a4c577a
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	732	1212	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1256	1212	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2228	1212	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1236	1212	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	360	1212	rundll32.exe	68

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/360-14-0x0000028B41920000-0x0000028B41927000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
44	360	rundll32.exe
46	360	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
360	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
1212	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
360	rundll32.exe
360	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1212	EXCEL.EXE
1212	EXCEL.EXE
1212	EXCEL.EXE
1212	EXCEL.EXE
1212	EXCEL.EXE
1212	EXCEL.EXE
1212	EXCEL.EXE
1212	EXCEL.EXE
1212	EXCEL.EXE
1212	EXCEL.EXE
1212	EXCEL.EXE
1212	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 732	1212	EXCEL.EXE	83
PID 1212 wrote to memory of 732	1212	EXCEL.EXE	83
PID 1212 wrote to memory of 1256	1212	EXCEL.EXE	84
PID 1212 wrote to memory of 1256	1212	EXCEL.EXE	84
PID 1212 wrote to memory of 2228	1212	EXCEL.EXE	85
PID 1212 wrote to memory of 2228	1212	EXCEL.EXE	85
PID 1212 wrote to memory of 1236	1212	EXCEL.EXE	86
PID 1212 wrote to memory of 1236	1212	EXCEL.EXE	86
PID 1212 wrote to memory of 360	1212	EXCEL.EXE	87
PID 1212 wrote to memory of 360	1212	EXCEL.EXE	87

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-920340805.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:732
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1256
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2228
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1236
- 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:360

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/360-14-0x0000028B41920000-0x0000028B41927000-memory.dmp

Download

memory/1212-5-0x00007FFC48600000-0x00007FFC48C37000-memory.dmp

Download

memory/1212-6-0x00007FFC22770000-0x00007FFC22780000-memory.dmp

Download

memory/1212-2-0x00007FFC22770000-0x00007FFC22780000-memory.dmp

Download

memory/1212-4-0x00007FFC22770000-0x00007FFC22780000-memory.dmp

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memory/1212-3-0x00007FFC22770000-0x00007FFC22780000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads