icedid | a61c54d1844678aec8932dc1dfdf8a2c978faedcd4ae03e780acd5e89c253d43

General

Target
document-1608865197.xlsm
Size 106KB
Sample210331-k6gh11c9wn
SHA256 a61c54d1844678aec8932dc1dfdf8a2c978faedcd4ae03e780acd5e89c253d43
MD5 22a82228e5d552484940e443430f34d6
SHA1 f9f37a4b171fbb4e7a8a98689613dd2c7c8d346a
SHA512 45a0a1c9f1722ca654d51d246343c025db3b7357109c0fd4aba3531041de1ce750cbb6609e6f004759129cbd5df3332880768982241898be465f5f98936de216
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	3900	1628	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3924	1628	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3860	1628	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	896	1628	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2200	1628	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/2200-14-0x000001A56E970000-0x000001A56E977000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
52	2200	rundll32.exe
54	2200	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2200	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
1628	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2200	rundll32.exe
2200	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE
1628	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 3900	1628	EXCEL.EXE	81
PID 1628 wrote to memory of 3900	1628	EXCEL.EXE	81
PID 1628 wrote to memory of 3924	1628	EXCEL.EXE	82
PID 1628 wrote to memory of 3924	1628	EXCEL.EXE	82
PID 1628 wrote to memory of 3860	1628	EXCEL.EXE	83
PID 1628 wrote to memory of 3860	1628	EXCEL.EXE	83
PID 1628 wrote to memory of 896	1628	EXCEL.EXE	84
PID 1628 wrote to memory of 896	1628	EXCEL.EXE	84
PID 1628 wrote to memory of 2200	1628	EXCEL.EXE	85
PID 1628 wrote to memory of 2200	1628	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-1608865197.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3900
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3924
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3860
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:896
- 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:2200

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/1628-3-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

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memory/1628-4-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

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memory/1628-5-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

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memory/1628-6-0x00007FF81F900000-0x00007FF81FF37000-memory.dmp

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memory/1628-2-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

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memory/2200-14-0x000001A56E970000-0x000001A56E977000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads