icedid | e73a9f45ec13bdbe996e2de6b0bed5d0b6e143e7d702e8d06f46b64c94cd1e0c

General

Target
document-423354438.xlsm
Size 106KB
Sample210331-41tqyase72
SHA256 e73a9f45ec13bdbe996e2de6b0bed5d0b6e143e7d702e8d06f46b64c94cd1e0c
MD5 1be6491a47e58a1651b700ff5f0ddfcc
SHA1 33df39f5ea3493afe5cc512d1ee19c4e2775be93
SHA512 eed445a53f7507d82e8f4af0651f416efd137e2e2a3bcc09f5543ff317199ff159d6655d0166fd5df0c81a235fdc3aa425c26ed60f66883110bdbbb5241b4af5
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	788	580	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	856	580	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3296	580	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2308	580	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2188	580	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/2188-14-0x000002401DA50000-0x000002401DA57000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
49	2188	rundll32.exe
51	2188	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2188	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
580	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2188	rundll32.exe
2188	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE
580	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 580 wrote to memory of 788	580	EXCEL.EXE	80
PID 580 wrote to memory of 788	580	EXCEL.EXE	80
PID 580 wrote to memory of 856	580	EXCEL.EXE	81
PID 580 wrote to memory of 856	580	EXCEL.EXE	81
PID 580 wrote to memory of 3296	580	EXCEL.EXE	82
PID 580 wrote to memory of 3296	580	EXCEL.EXE	82
PID 580 wrote to memory of 2308	580	EXCEL.EXE	83
PID 580 wrote to memory of 2308	580	EXCEL.EXE	83
PID 580 wrote to memory of 2188	580	EXCEL.EXE	84
PID 580 wrote to memory of 2188	580	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-423354438.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:580
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:788
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:856
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3296
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2308
- 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:2188

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/580-3-0x00007FFD37CB0000-0x00007FFD37CC0000-memory.dmp

Download

memory/580-4-0x00007FFD37CB0000-0x00007FFD37CC0000-memory.dmp

Download

memory/580-5-0x00007FFD5DCD0000-0x00007FFD5E307000-memory.dmp

Download

memory/580-6-0x00007FFD37CB0000-0x00007FFD37CC0000-memory.dmp

Download

memory/580-2-0x00007FFD37CB0000-0x00007FFD37CC0000-memory.dmp

Download

memory/2188-14-0x000002401DA50000-0x000002401DA57000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads