icedid | 84558e229b112f64c102cb38404f83d6f865ef89df90ffd83d8bbb60e8427dde

General

Target
documents-95598302.xlsm
Size 92KB
Sample210402-pm15b7cdxj
SHA256 84558e229b112f64c102cb38404f83d6f865ef89df90ffd83d8bbb60e8427dde
MD5 bb89c6f12bb7e6615bab48b1af6fa0f0
SHA1 4aa28ceddfa9de92dfd72a351575fa46c6e1d942
SHA512 22c1c9c1fbae067aff69a13e65383ac04174e3208ed8a530f20c6a3d4de162bce363ec781a39eea66480aef2eae9adfa8c7c7d4708872b7891ca7dbd7b105d99
MD5 SHA1 SHA512

Score

10^/10

icedid 3666796105 banker loader trojan

Malware Config

Extracted

Family

icedid

Campaign

3666796105

C2

nenepepe.pro

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	1844	4764	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2216	4764	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2268	4764	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2376	4764	rundll32.exe	67
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2884	4764	rundll32.exe	67

IcedID First Stage Loader 1 IoCs

loader

resource	yara_rule
behavioral2/memory/1844-10-0x000001A1A5DB0000-0x000001A1A5DB7000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 6 IoCs

flow	pid	Process
38	1844	rundll32.exe
41	1844	rundll32.exe
42	2376	rundll32.exe
46	2376	rundll32.exe
47	2884	rundll32.exe
49	2884	rundll32.exe

Loads dropped DLL 3 IoCs

pid	Process
1844	rundll32.exe
2376	rundll32.exe
2884	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
4764	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1844	rundll32.exe
1844	rundll32.exe
2376	rundll32.exe
2376	rundll32.exe
2884	rundll32.exe
2884	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 1844	4764	EXCEL.EXE	81
PID 4764 wrote to memory of 1844	4764	EXCEL.EXE	81
PID 4764 wrote to memory of 2216	4764	EXCEL.EXE	82
PID 4764 wrote to memory of 2216	4764	EXCEL.EXE	82
PID 4764 wrote to memory of 2268	4764	EXCEL.EXE	83
PID 4764 wrote to memory of 2268	4764	EXCEL.EXE	83
PID 4764 wrote to memory of 2376	4764	EXCEL.EXE	84
PID 4764 wrote to memory of 2376	4764	EXCEL.EXE	84
PID 4764 wrote to memory of 2884	4764	EXCEL.EXE	85
PID 4764 wrote to memory of 2884	4764	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\documents-95598302.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\nvcoerf.vlb,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:1844
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\nvcoerf.vlb1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2216
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\nvcoerf.vlb2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2268
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\nvcoerf.vlb3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:2376
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\nvcoerf.vlb4,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:2884

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/1844-10-0x000001A1A5DB0000-0x000001A1A5DB7000-memory.dmp

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memory/4764-2-0x00007FF91BD80000-0x00007FF91BD90000-memory.dmp

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memory/4764-6-0x00007FF91BD80000-0x00007FF91BD90000-memory.dmp

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memory/4764-5-0x00007FF93F800000-0x00007FF93FE37000-memory.dmp

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memory/4764-4-0x00007FF91BD80000-0x00007FF91BD90000-memory.dmp

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memory/4764-3-0x00007FF91BD80000-0x00007FF91BD90000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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