icedid | c59491da116f12ac828e1b4037aff31bfeaa1e6e7b7709fc6902bbcc3a3755b9

General

Target
document-2133794341.xlsm
Size 106KB
Sample210331-dmt8c4mn6j
SHA256 c59491da116f12ac828e1b4037aff31bfeaa1e6e7b7709fc6902bbcc3a3755b9
MD5 3713a8b521c62c091eab171f0cb10d8f
SHA1 2792c3d21053ea57121811a96bf412cc4fee059c
SHA512 1c4dbbe051208cc0eff04fed7c3210e161d413d05414aceb2b040e8c547274ecf0fc8e16891b4103a15b9fd751943ee8274c8e637e5a84ee20b7736459d90466
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	2380	3932	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2172	3932	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3284	3932	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1576	3932	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1868	3932	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/1868-14-0x00000199D9710000-0x00000199D9717000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
44	1868	rundll32.exe
46	1868	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1868	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
3932	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1868	rundll32.exe
1868	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE
3932	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 2380	3932	EXCEL.EXE	80
PID 3932 wrote to memory of 2380	3932	EXCEL.EXE	80
PID 3932 wrote to memory of 2172	3932	EXCEL.EXE	81
PID 3932 wrote to memory of 2172	3932	EXCEL.EXE	81
PID 3932 wrote to memory of 3284	3932	EXCEL.EXE	82
PID 3932 wrote to memory of 3284	3932	EXCEL.EXE	82
PID 3932 wrote to memory of 1576	3932	EXCEL.EXE	83
PID 3932 wrote to memory of 1576	3932	EXCEL.EXE	83
PID 3932 wrote to memory of 1868	3932	EXCEL.EXE	84
PID 3932 wrote to memory of 1868	3932	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-2133794341.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3932
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2380
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2172
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3284
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1576
- 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:1868

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/1868-14-0x00000199D9710000-0x00000199D9717000-memory.dmp

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memory/3932-2-0x00007FF8E7720000-0x00007FF8E7730000-memory.dmp

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memory/3932-6-0x00007FF8E7720000-0x00007FF8E7730000-memory.dmp

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memory/3932-5-0x00007FF90B660000-0x00007FF90BC97000-memory.dmp

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memory/3932-4-0x00007FF8E7720000-0x00007FF8E7730000-memory.dmp

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memory/3932-3-0x00007FF8E7720000-0x00007FF8E7730000-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