icedid | 469999a0e1ac582fd404e278188d3943d2425ad80683e6f33d94ff422e5ebb63

General

Target
document-905517021.xlsm
Size 106KB
Sample210331-2mtegpt692
SHA256 469999a0e1ac582fd404e278188d3943d2425ad80683e6f33d94ff422e5ebb63
MD5 9c9c04d2189574fbe4ba49033dcbc11f
SHA1 3f3841c3a9a69741f47a5a8da108d67eb1b9429a
SHA512 2d424bd60faea9c713e384e571fd80e2b7602351020ab25208e9e116cf63a55e34f3c8288e305098cb3100c6713661b1b1980cdd88c3ecb5818a8b68799b4b62
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	2664	1144	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2700	1144	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3148	1144	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1724	1144	rundll32.exe	68
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3928	1144	rundll32.exe	68

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/3928-14-0x00000279804A0000-0x00000279804A7000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
49	3928	rundll32.exe
52	3928	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3928	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
1144	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3928	rundll32.exe
3928	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1144	EXCEL.EXE
1144	EXCEL.EXE
1144	EXCEL.EXE
1144	EXCEL.EXE
1144	EXCEL.EXE
1144	EXCEL.EXE
1144	EXCEL.EXE
1144	EXCEL.EXE
1144	EXCEL.EXE
1144	EXCEL.EXE
1144	EXCEL.EXE
1144	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 2664	1144	EXCEL.EXE	82
PID 1144 wrote to memory of 2664	1144	EXCEL.EXE	82
PID 1144 wrote to memory of 2700	1144	EXCEL.EXE	83
PID 1144 wrote to memory of 2700	1144	EXCEL.EXE	83
PID 1144 wrote to memory of 3148	1144	EXCEL.EXE	84
PID 1144 wrote to memory of 3148	1144	EXCEL.EXE	84
PID 1144 wrote to memory of 1724	1144	EXCEL.EXE	85
PID 1144 wrote to memory of 1724	1144	EXCEL.EXE	85
PID 1144 wrote to memory of 3928	1144	EXCEL.EXE	86
PID 1144 wrote to memory of 3928	1144	EXCEL.EXE	86

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-905517021.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1144
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2664
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2700
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3148
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1724
- 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:3928

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/1144-3-0x00007FFB31D10000-0x00007FFB31D20000-memory.dmp

Download

memory/1144-4-0x00007FFB31D10000-0x00007FFB31D20000-memory.dmp

Download

memory/1144-5-0x00007FFB55740000-0x00007FFB55D77000-memory.dmp

Download

memory/1144-6-0x00007FFB31D10000-0x00007FFB31D20000-memory.dmp

Download

memory/1144-2-0x00007FFB31D10000-0x00007FFB31D20000-memory.dmp

Download

memory/3928-14-0x00000279804A0000-0x00000279804A7000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads