icedid | b4876751b860a5b5cb6b79bb7cbe50feb6163321e7b582f441d3b9ae4fd256cb

General

Target
document-1456634656.xls
Size 180KB
Sample210401-wsft6qp5ca
SHA256 b4876751b860a5b5cb6b79bb7cbe50feb6163321e7b582f441d3b9ae4fd256cb
MD5 5387f366a6fa70fb6a1051fa4d1e04eb
SHA1 13e31ab5a7a9c9945b3915f429a47f5f6ac5837c
SHA512 958e146fc83aaec22cd8dca069afdf1e89bb36797a6db247e75ce09df5a3b08faa808988380a125b94eacb459c8be359acba026143b419dda5856ffe0f363df6
MD5 SHA1 SHA512

Score

10^/10

icedid 3616463248 banker loader trojan

Malware Config

Extracted

Family

icedid

Campaign

3616463248

C2

tvorartificialnature.xyz

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	1852	728	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2128	728	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2664	728	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2680	728	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1968	728	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/2664-12-0x00000294AFF30000-0x00000294AFF37000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
54	2664	rundll32.exe
56	2664	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2664	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
728	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2664	rundll32.exe
2664	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
728	EXCEL.EXE
728	EXCEL.EXE
728	EXCEL.EXE
728	EXCEL.EXE
728	EXCEL.EXE
728	EXCEL.EXE
728	EXCEL.EXE
728	EXCEL.EXE
728	EXCEL.EXE
728	EXCEL.EXE
728	EXCEL.EXE
728	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 1852	728	EXCEL.EXE	80
PID 728 wrote to memory of 1852	728	EXCEL.EXE	80
PID 728 wrote to memory of 2128	728	EXCEL.EXE	81
PID 728 wrote to memory of 2128	728	EXCEL.EXE	81
PID 728 wrote to memory of 2664	728	EXCEL.EXE	82
PID 728 wrote to memory of 2664	728	EXCEL.EXE	82
PID 728 wrote to memory of 2680	728	EXCEL.EXE	84
PID 728 wrote to memory of 2680	728	EXCEL.EXE	84
PID 728 wrote to memory of 1968	728	EXCEL.EXE	85
PID 728 wrote to memory of 1968	728	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-1456634656.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:728
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\fikftkm.thj,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1852
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\fikftkm.thj1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2128
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\fikftkm.thj2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:2664
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\fikftkm.thj3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2680
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\fikftkm.thj4,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1968

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/728-5-0x00007FF97B640000-0x00007FF97B650000-memory.dmp

Download

memory/728-2-0x00007FF97B640000-0x00007FF97B650000-memory.dmp

Download

memory/728-6-0x00007FF99EB60000-0x00007FF99F197000-memory.dmp

Download

memory/728-4-0x00007FF97B640000-0x00007FF97B650000-memory.dmp

Download

memory/728-3-0x00007FF97B640000-0x00007FF97B650000-memory.dmp

Download

memory/2664-12-0x00000294AFF30000-0x00000294AFF37000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads