icedid | 62231399fc9956b2bce70fbc82bb81a060916f5cb275322abc83e2aba3fbcd04

General

Target
document-638544202.xlsm
Size 106KB
Sample210331-ejatgxzr9n
SHA256 62231399fc9956b2bce70fbc82bb81a060916f5cb275322abc83e2aba3fbcd04
MD5 dc1177dce6a0661a7178c30431fc83ff
SHA1 e4472baea983fad9f2f89e8f999f2f8c0d347307
SHA512 320ce7df3219ce7c9ca2d3f3829c309202cf61b4b19773c5a5d9bf9b283178b2803f8fae4b116262fe5c0470743b69415fe3f4d06927e0395472df7a20df1ba4
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	1868	4704	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1004	4704	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	992	4704	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1192	4704	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1804	4704	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/1804-14-0x000001D1976D0000-0x000001D1976D7000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
46	1804	rundll32.exe
48	1804	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1804	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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4704	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1804	rundll32.exe
1804	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE
4704	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 1868	4704	EXCEL.EXE	82
PID 4704 wrote to memory of 1868	4704	EXCEL.EXE	82
PID 4704 wrote to memory of 1004	4704	EXCEL.EXE	83
PID 4704 wrote to memory of 1004	4704	EXCEL.EXE	83
PID 4704 wrote to memory of 992	4704	EXCEL.EXE	84
PID 4704 wrote to memory of 992	4704	EXCEL.EXE	84
PID 4704 wrote to memory of 1192	4704	EXCEL.EXE	85
PID 4704 wrote to memory of 1192	4704	EXCEL.EXE	85
PID 4704 wrote to memory of 1804	4704	EXCEL.EXE	86
PID 4704 wrote to memory of 1804	4704	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-638544202.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1868
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1004
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:992
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1192
- 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:1804

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/1804-14-0x000001D1976D0000-0x000001D1976D7000-memory.dmp

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memory/4704-6-0x00007FF988D80000-0x00007FF9893B7000-memory.dmp

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memory/4704-5-0x00007FF965210000-0x00007FF965220000-memory.dmp

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memory/4704-2-0x00007FF965210000-0x00007FF965220000-memory.dmp

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memory/4704-4-0x00007FF965210000-0x00007FF965220000-memory.dmp

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memory/4704-3-0x00007FF965210000-0x00007FF965220000-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