icedid | ba20aeb1bb5e4b4adf24edff3743f0cbd8231cb96c26c6e5d945faecd8e55ce5

General

Target
document-213001970.xlsm
Size 106KB
Sample210331-wc5xcx4mq2
SHA256 ba20aeb1bb5e4b4adf24edff3743f0cbd8231cb96c26c6e5d945faecd8e55ce5
MD5 fbf89c32e67288a45d04c50fa0a27192
SHA1 fd2c4161454fdbe410b37d62092bc2c3d51fdec8
SHA512 ef70c4a3e38a845929e8ad07b300df0127f9a18ac5a29788e8dec39f87772c80f8b788b64c8d9ebbe6813dc1b021e87f814b67fba5e0279bc09fae3fd059a8e3
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	3396	3996	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	420	3996	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1292	3996	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2172	3996	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2032	3996	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/2032-14-0x0000024BCD560000-0x0000024BCD567000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
53	2032	rundll32.exe
55	2032	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2032	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
3996	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2032	rundll32.exe
2032	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE
3996	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 3396	3996	EXCEL.EXE	80
PID 3996 wrote to memory of 3396	3996	EXCEL.EXE	80
PID 3996 wrote to memory of 420	3996	EXCEL.EXE	81
PID 3996 wrote to memory of 420	3996	EXCEL.EXE	81
PID 3996 wrote to memory of 1292	3996	EXCEL.EXE	82
PID 3996 wrote to memory of 1292	3996	EXCEL.EXE	82
PID 3996 wrote to memory of 2172	3996	EXCEL.EXE	83
PID 3996 wrote to memory of 2172	3996	EXCEL.EXE	83
PID 3996 wrote to memory of 2032	3996	EXCEL.EXE	84
PID 3996 wrote to memory of 2032	3996	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-213001970.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3996
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3396
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:420
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1292
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2172
- 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:2032

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/2032-14-0x0000024BCD560000-0x0000024BCD567000-memory.dmp

Download

memory/3996-6-0x00007FFC33920000-0x00007FFC33F57000-memory.dmp

Download

memory/3996-5-0x00007FFC108D0000-0x00007FFC108E0000-memory.dmp

Download

memory/3996-2-0x00007FFC108D0000-0x00007FFC108E0000-memory.dmp

Download

memory/3996-4-0x00007FFC108D0000-0x00007FFC108E0000-memory.dmp

Download

memory/3996-3-0x00007FFC108D0000-0x00007FFC108E0000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads