icedid | 8b2de6ab509fa1b414a544c4dfab18ad53384508d33107557aa26d2ff517e4e7

General

Target
227.xlsm
Size 84KB
Sample210401-e2pvh4gty2
SHA256 8b2de6ab509fa1b414a544c4dfab18ad53384508d33107557aa26d2ff517e4e7
MD5 d099946b769714cd4dbd17bb20f0d568
SHA1 80540302c3f9f710e579bbb98677bd38f2972b13
SHA512 6ed365111c1f834064cda0e1e4451f013bd2dc9fe92f926fd11893eab60cca08bc594d726a4e9024a2b9014d46fe4a11780d7993bbebd6e1cae94d0500c1921f
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	3192	1108	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	892	1108	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3068	1108	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2196	1108	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3812	1108	rundll32.exe	68

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/3068-12-0x000001FFD76D0000-0x000001FFD76D7000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
43	3068	rundll32.exe
45	3068	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3068	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\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1108	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3068	rundll32.exe
3068	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 3192	1108	EXCEL.EXE	82
PID 1108 wrote to memory of 3192	1108	EXCEL.EXE	82
PID 1108 wrote to memory of 892	1108	EXCEL.EXE	83
PID 1108 wrote to memory of 892	1108	EXCEL.EXE	83
PID 1108 wrote to memory of 3068	1108	EXCEL.EXE	85
PID 1108 wrote to memory of 3068	1108	EXCEL.EXE	85
PID 1108 wrote to memory of 2196	1108	EXCEL.EXE	86
PID 1108 wrote to memory of 2196	1108	EXCEL.EXE	86
PID 1108 wrote to memory of 3812	1108	EXCEL.EXE	87
PID 1108 wrote to memory of 3812	1108	EXCEL.EXE	87

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\227.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3192
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:892
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:3068
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2196
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk4,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3812

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/1108-6-0x00007FFC22770000-0x00007FFC22780000-memory.dmp

Download

memory/1108-5-0x00007FFC45630000-0x00007FFC45C67000-memory.dmp

Download

memory/1108-2-0x00007FFC22770000-0x00007FFC22780000-memory.dmp

Download

memory/1108-4-0x00007FFC22770000-0x00007FFC22780000-memory.dmp

Download

memory/1108-3-0x00007FFC22770000-0x00007FFC22780000-memory.dmp

Download

memory/3068-12-0x000001FFD76D0000-0x000001FFD76D7000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads