icedid | ecd84fa8d836d5057149b2b3a048d75004ca1a1377fcf2f5e67374af3a1161a0

General

Target

enjoin,12.27.2021.doc
Size

77KB
MD5

7044bd240219ec2f83b01c532e2ce5ba
SHA1

745cdbc4a826c5960eef3f4a9aa307ff94e4b7fb
SHA256

ecd84fa8d836d5057149b2b3a048d75004ca1a1377fcf2f5e67374af3a1161a0
SHA512

8467fc9f63711c8fa460f1f35d42b6528c6e285799d9a19630696dd3a12e24799370eaa6d53e075e60d579a3b4ecef035cf62aac6a1bc96130b392c3931882ee

Score

10^/10

icedid 2507181075 banker suricata trojan

Malware Config

Extracted

Family

icedid

Campaign

2507181075

C2

vopnoz.com

Signatures

IcedID, BokBot
IcedID is a banking trojan capable of stealing credentials.
trojan banker icedid

Process spawned unexpected child process 1 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\WINWORD.EXE is not expected to spawn this process	3276	4000	explorer.exe	36

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2924 created 412	2924	WerFault.exe	75

suricata: ET MALWARE Win32/IcedID Request Cookie
suricata: ET MALWARE Win32/IcedID Request Cookie
suricata

Blocklisted process makes network request 1 IoCs

flow	pid	Process
59	1412	mshta.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3348	regsvr32.exe
412	regsvr32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2924	412	WerFault.exe	75

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	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4000	WINWORD.EXE
4000	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
412	regsvr32.exe
412	regsvr32.exe
2924	WerFault.exe
2924	WerFault.exe
2924	WerFault.exe
2924	WerFault.exe
2924	WerFault.exe
2924	WerFault.exe
2924	WerFault.exe
2924	WerFault.exe
2924	WerFault.exe
2924	WerFault.exe
2924	WerFault.exe
2924	WerFault.exe
2924	WerFault.exe
2924	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2924	WerFault.exe

Suspicious use of SetWindowsHookEx 19 IoCs

pid	Process
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE
4000	WINWORD.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 3276	4000	WINWORD.EXE	71
PID 4000 wrote to memory of 3276	4000	WINWORD.EXE	71
PID 372 wrote to memory of 1412	372	explorer.exe	73
PID 372 wrote to memory of 1412	372	explorer.exe	73
PID 372 wrote to memory of 1412	372	explorer.exe	73
PID 1412 wrote to memory of 3348	1412	mshta.exe	74
PID 1412 wrote to memory of 3348	1412	mshta.exe	74
PID 1412 wrote to memory of 3348	1412	mshta.exe	74
PID 3348 wrote to memory of 412	3348	regsvr32.exe	75
PID 3348 wrote to memory of 412	3348	regsvr32.exe	75

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\enjoin,12.27.2021.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Windows\explorer.exe
  explorer i7Gigabyte.hta
  2⤵
  - Process spawned unexpected child process
  PID:3276

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:372
- C:\Windows\SysWOW64\mshta.exe
  "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Documents\i7Gigabyte.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of WriteProcessMemory
  PID:1412
- - C:\Windows\SysWOW64\regsvr32.exe
    "C:\Windows\System32\regsvr32.exe" c:\users\public\gigabyteI7.jpg
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:3348
  - - C:\Windows\system32\regsvr32.exe
      c:\users\public\gigabyteI7.jpg
      4⤵
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      PID:412
    - - C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 412 -s 672
        5⤵
        Suspicious use of NtCreateProcessExOtherParentProcess
        Program crash
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2924

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/412-296-0x00007FF67B540000-0x00007FF67B549000-memory.dmp

Filesize
36KB

Download
memory/4000-115-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

Filesize
64KB

Download
memory/4000-123-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

Filesize
64KB

Download
memory/4000-121-0x000001F56E650000-0x000001F56E652000-memory.dmp

Filesize
8KB

Download
memory/4000-119-0x000001F56E650000-0x000001F56E652000-memory.dmp

Filesize
8KB

Download
memory/4000-120-0x000001F56E650000-0x000001F56E652000-memory.dmp

Filesize
8KB

Download
memory/4000-118-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

Filesize
64KB

Download
memory/4000-116-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

Filesize
64KB

Download
memory/4000-117-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads