icedid | 58bc58f6ef2de14b82c7cb16ed749afe520728c1177ee31d8601dd2363a82c8d

General

Target
document-1680135502.xlsm
Size 106KB
Sample210331-g16mv7yn36
SHA256 58bc58f6ef2de14b82c7cb16ed749afe520728c1177ee31d8601dd2363a82c8d
MD5 96b04b5429bcd658cb9ccff1e6f07ef7
SHA1 3dc56a28380cdd219005d5462c8aaaac7c45c025
SHA512 e11c8156f16b95343f8dbe2478dca1ac49c9c8b5a171895a3fe785641324946b174636dd10e11af60d6e84ea02a93015554c6c734e85adb9104f8212f55555d1
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	1468	3300	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1512	3300	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	952	3300	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3760	3300	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2484	3300	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/2484-14-0x00000249B03C0000-0x00000249B03C7000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
49	2484	rundll32.exe
51	2484	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2484	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
3300	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2484	rundll32.exe
2484	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3300	EXCEL.EXE
3300	EXCEL.EXE
3300	EXCEL.EXE
3300	EXCEL.EXE
3300	EXCEL.EXE
3300	EXCEL.EXE
3300	EXCEL.EXE
3300	EXCEL.EXE
3300	EXCEL.EXE
3300	EXCEL.EXE
3300	EXCEL.EXE
3300	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 1468	3300	EXCEL.EXE	80
PID 3300 wrote to memory of 1468	3300	EXCEL.EXE	80
PID 3300 wrote to memory of 1512	3300	EXCEL.EXE	81
PID 3300 wrote to memory of 1512	3300	EXCEL.EXE	81
PID 3300 wrote to memory of 952	3300	EXCEL.EXE	82
PID 3300 wrote to memory of 952	3300	EXCEL.EXE	82
PID 3300 wrote to memory of 3760	3300	EXCEL.EXE	83
PID 3300 wrote to memory of 3760	3300	EXCEL.EXE	83
PID 3300 wrote to memory of 2484	3300	EXCEL.EXE	84
PID 3300 wrote to memory of 2484	3300	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-1680135502.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3300
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1468
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1512
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:952
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3760
- 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:2484

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/2484-14-0x00000249B03C0000-0x00000249B03C7000-memory.dmp

Download

memory/3300-6-0x00007FF8C6830000-0x00007FF8C6E67000-memory.dmp

Download

memory/3300-5-0x00007FF8A2B20000-0x00007FF8A2B30000-memory.dmp

Download

memory/3300-2-0x00007FF8A2B20000-0x00007FF8A2B30000-memory.dmp

Download

memory/3300-4-0x00007FF8A2B20000-0x00007FF8A2B30000-memory.dmp

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memory/3300-3-0x00007FF8A2B20000-0x00007FF8A2B30000-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