icedid | fd8f2cb4ca59cf1083aea4e4491006090f8e617e23689c3e172064eabaa9b241

General

Target
document-2049399969.xlsm
Size 106KB
Sample210331-76p854w3ja
SHA256 fd8f2cb4ca59cf1083aea4e4491006090f8e617e23689c3e172064eabaa9b241
MD5 3f81ecfc68d374d20e77255ebdbf215c
SHA1 abd72dce25ade6705d5e3464ed4f387f11d2ffdc
SHA512 8824c9845314eecf28c2cbcbf4c4dade96f35fce6a1dae613a4dcc1406fddd6c20ed461a54eea8b7dbf6e8c924baa511711f105c548bda6c3b310a4700ab41d8
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	3440	3116	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3824	3116	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	364	3116	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3432	3116	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2188	3116	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/2188-14-0x000002530A120000-0x000002530A127000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
52	2188	rundll32.exe
54	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
3116	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2188	rundll32.exe
2188	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE
3116	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3116 wrote to memory of 3440	3116	EXCEL.EXE	81
PID 3116 wrote to memory of 3440	3116	EXCEL.EXE	81
PID 3116 wrote to memory of 3824	3116	EXCEL.EXE	82
PID 3116 wrote to memory of 3824	3116	EXCEL.EXE	82
PID 3116 wrote to memory of 364	3116	EXCEL.EXE	83
PID 3116 wrote to memory of 364	3116	EXCEL.EXE	83
PID 3116 wrote to memory of 3432	3116	EXCEL.EXE	84
PID 3116 wrote to memory of 3432	3116	EXCEL.EXE	84
PID 3116 wrote to memory of 2188	3116	EXCEL.EXE	85
PID 3116 wrote to memory of 2188	3116	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-2049399969.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3116
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3440
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3824
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:364
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3432
- 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/2188-14-0x000002530A120000-0x000002530A127000-memory.dmp

Download

memory/3116-6-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

Download

memory/3116-5-0x00007FF81F9E0000-0x00007FF820017000-memory.dmp

Download

memory/3116-2-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

Download

memory/3116-4-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

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memory/3116-3-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads