icedid | 9be45d78a44672eecc44431401d73f41b1d7a3899ae96e3babe781ecb5fcea1d

General

Target
document-1371682618.xlsm
Size 106KB
Sample210331-ysj226j6j2
SHA256 9be45d78a44672eecc44431401d73f41b1d7a3899ae96e3babe781ecb5fcea1d
MD5 6ff590fd95885794e093b95500507125
SHA1 8459409025f83234a3e0923cf75b8262bd1ec779
SHA512 f3578b238623e070f207eaf6c0a2d5804ab8eb202d5213d24d96780f45ecb36406c7ad50fc6f5a15e89cee1121663658994bce612bfd6a846cc03737071d5ed5
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	2228	1048	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3756	1048	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1252	1048	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2900	1048	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1800	1048	rundll32.exe	68

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/1800-14-0x000002C8D55F0000-0x000002C8D55F7000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
42	1800	rundll32.exe
44	1800	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1800	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
1048	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1800	rundll32.exe
1800	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2228	1048	EXCEL.EXE	81
PID 1048 wrote to memory of 2228	1048	EXCEL.EXE	81
PID 1048 wrote to memory of 3756	1048	EXCEL.EXE	82
PID 1048 wrote to memory of 3756	1048	EXCEL.EXE	82
PID 1048 wrote to memory of 1252	1048	EXCEL.EXE	83
PID 1048 wrote to memory of 1252	1048	EXCEL.EXE	83
PID 1048 wrote to memory of 2900	1048	EXCEL.EXE	84
PID 1048 wrote to memory of 2900	1048	EXCEL.EXE	84
PID 1048 wrote to memory of 1800	1048	EXCEL.EXE	85
PID 1048 wrote to memory of 1800	1048	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-1371682618.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2228
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3756
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1252
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2900
- 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:1800

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/1048-5-0x00007FFA46D50000-0x00007FFA46D60000-memory.dmp

Download

memory/1048-2-0x00007FFA46D50000-0x00007FFA46D60000-memory.dmp

Download

memory/1048-6-0x00007FFA6A530000-0x00007FFA6AB67000-memory.dmp

Download

memory/1048-4-0x00007FFA46D50000-0x00007FFA46D60000-memory.dmp

Download

memory/1048-3-0x00007FFA46D50000-0x00007FFA46D60000-memory.dmp

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memory/1800-14-0x000002C8D55F0000-0x000002C8D55F7000-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