icedid | 72a1d0fdb843daa7264abdd9c8cdbb8c58e8c8ebbb0d6f2b94cd15f2d6e6be67

General

Target
document-1518905456.xlsm
Size 106KB
Sample210331-aaw3qgapmn
SHA256 72a1d0fdb843daa7264abdd9c8cdbb8c58e8c8ebbb0d6f2b94cd15f2d6e6be67
MD5 cda9156d78e3946a29d0715e19b58530
SHA1 01f6bb5d775c25e81fdfe0b2155f045fa0149f86
SHA512 95c2ded47c550032729d181121dc219fcc90edec1fd55058570cf93afaf256a396b8ba53f493d75c179018b7e40bef6d8bb3d8c5751545c944b5e756c824ba83
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	2080	3888	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2676	3888	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4036	3888	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	64	3888	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2296	3888	rundll32.exe	68

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/2296-14-0x0000019D45510000-0x0000019D45517000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
46	2296	rundll32.exe
48	2296	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2296	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
3888	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2296	rundll32.exe
2296	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 2080	3888	EXCEL.EXE	82
PID 3888 wrote to memory of 2080	3888	EXCEL.EXE	82
PID 3888 wrote to memory of 2676	3888	EXCEL.EXE	83
PID 3888 wrote to memory of 2676	3888	EXCEL.EXE	83
PID 3888 wrote to memory of 4036	3888	EXCEL.EXE	84
PID 3888 wrote to memory of 4036	3888	EXCEL.EXE	84
PID 3888 wrote to memory of 64	3888	EXCEL.EXE	85
PID 3888 wrote to memory of 64	3888	EXCEL.EXE	85
PID 3888 wrote to memory of 2296	3888	EXCEL.EXE	86
PID 3888 wrote to memory of 2296	3888	EXCEL.EXE	86

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-1518905456.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3888
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2080
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2676
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:4036
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:64
- 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:2296

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/2296-14-0x0000019D45510000-0x0000019D45517000-memory.dmp

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memory/3888-2-0x00007FFF49320000-0x00007FFF49330000-memory.dmp

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memory/3888-6-0x00007FFF49320000-0x00007FFF49330000-memory.dmp

Download

memory/3888-5-0x00007FFF6D370000-0x00007FFF6D9A7000-memory.dmp

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memory/3888-4-0x00007FFF49320000-0x00007FFF49330000-memory.dmp

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memory/3888-3-0x00007FFF49320000-0x00007FFF49330000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads