icedid | d82af53c1cef5d0a18c72ed357c076db5bc0010331e54b93c2f97b642fd236a2

General

Target
document-1272134269.xlsm
Size 106KB
Sample210331-3zz9b83ms2
SHA256 d82af53c1cef5d0a18c72ed357c076db5bc0010331e54b93c2f97b642fd236a2
MD5 c7036b3b6178e4dc92db80b7bf403b1b
SHA1 6bad584b1a5d48120abb0986c08de317d3861065
SHA512 e8430a0db4d8150db44f818ebda2692f7b9d26dc6d342bf83daa0e8a2441263a054aab367b11789abb608b6c80323af5660f0d2528699bdd6ef031dfe20870ea
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	2304	3932	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2340	3932	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2448	3932	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3512	3932	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1004	3932	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/1004-14-0x00000199DB080000-0x00000199DB087000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
45	1004	rundll32.exe
47	1004	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1004	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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
3932	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1004	rundll32.exe
1004	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 2304	3932	EXCEL.EXE	80
PID 3932 wrote to memory of 2304	3932	EXCEL.EXE	80
PID 3932 wrote to memory of 2340	3932	EXCEL.EXE	81
PID 3932 wrote to memory of 2340	3932	EXCEL.EXE	81
PID 3932 wrote to memory of 2448	3932	EXCEL.EXE	82
PID 3932 wrote to memory of 2448	3932	EXCEL.EXE	82
PID 3932 wrote to memory of 3512	3932	EXCEL.EXE	83
PID 3932 wrote to memory of 3512	3932	EXCEL.EXE	83
PID 3932 wrote to memory of 1004	3932	EXCEL.EXE	84
PID 3932 wrote to memory of 1004	3932	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-1272134269.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3932
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2304
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2340
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2448
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3512
- 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:1004

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/1004-14-0x00000199DB080000-0x00000199DB087000-memory.dmp

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memory/3932-2-0x00007FF8E7720000-0x00007FF8E7730000-memory.dmp

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memory/3932-6-0x00007FF8E7720000-0x00007FF8E7730000-memory.dmp

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memory/3932-5-0x00007FF90B6A0000-0x00007FF90BCD7000-memory.dmp

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memory/3932-4-0x00007FF8E7720000-0x00007FF8E7730000-memory.dmp

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memory/3932-3-0x00007FF8E7720000-0x00007FF8E7730000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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