icedid | a3abaec7e03404bee5dab6c07a8f79dd72b21b7bb3c376b4af9b1fc101962d6b

General

Target
document-625862381.xlsm
Size 106KB
Sample210331-2yzrznpves
SHA256 a3abaec7e03404bee5dab6c07a8f79dd72b21b7bb3c376b4af9b1fc101962d6b
MD5 4cc71a9e0ffaa6e070ddd5be07828a23
SHA1 2e5b8984a559c9327f47665c1322859026d60912
SHA512 06a73d9e53a5b9f696fd02e351d1b364e018c52dbaae126892a277f3f36906fb17b91ccb92724772e9abcb2fd5775c217e789dba807aa5ce7c2b98418dd42e13
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	3996	816	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3976	816	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2212	816	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	752	816	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1756	816	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/1756-14-0x0000014FA1A10000-0x0000014FA1A17000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
52	1756	rundll32.exe
54	1756	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1756	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
816	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1756	rundll32.exe
1756	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE
816	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 3996	816	EXCEL.EXE	81
PID 816 wrote to memory of 3996	816	EXCEL.EXE	81
PID 816 wrote to memory of 3976	816	EXCEL.EXE	82
PID 816 wrote to memory of 3976	816	EXCEL.EXE	82
PID 816 wrote to memory of 2212	816	EXCEL.EXE	83
PID 816 wrote to memory of 2212	816	EXCEL.EXE	83
PID 816 wrote to memory of 752	816	EXCEL.EXE	84
PID 816 wrote to memory of 752	816	EXCEL.EXE	84
PID 816 wrote to memory of 1756	816	EXCEL.EXE	85
PID 816 wrote to memory of 1756	816	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-625862381.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:816
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3996
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3976
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2212
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\iekdhfe.dsk3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:752
- 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:1756

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/816-3-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmp

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memory/816-4-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmp

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memory/816-5-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmp

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memory/816-6-0x00007FFB84D40000-0x00007FFB85377000-memory.dmp

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memory/816-2-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmp

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memory/1756-14-0x0000014FA1A10000-0x0000014FA1A17000-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