icedid | 23b972352d2f4bf01185c1bf5b40679b0ed16fcc09820824885c09de9c2f5a42

Analysis

max time kernel
127s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2022 22:34

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General

Target

redacted_file_12.23.2022.docm
Size

1.3MB
MD5

779fce8225885de9744b8578bd046bcc
SHA1

172c8190afe0bc34b8c9b779d680d212b2d3ea1e
SHA256

23b972352d2f4bf01185c1bf5b40679b0ed16fcc09820824885c09de9c2f5a42
SHA512

299b0a7b9eab09601b7e288e7896eae084aac5184c7acb39012ed76a5b2cf56e64794999a3d57139acf14ba273b63501784dfa8bc08568a0571294c59d4a1f9e
SSDEEP

24576:/9aopJmLOgHWi8bj11H2w5inpF7sONo/qiy7L9pvRDjG7EzqHm+Bmcq:/LpJmgf3zliFpp4KqG+K

Score

10^/10

icedid 1212497363 banker loader trojan

Malware Config

Extracted

Family

icedid

Campaign

1212497363

trbiriumpa.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.

Processes:

rundll32.exe

description pid pid_target process target process

Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4800 4036 rundll32.exe
Blocklisted process makes network request 3 IoCs

Processes:

rundll32.exe

flow pid process

20 4800 rundll32.exe
56 4800 rundll32.exe
60 4800 rundll32.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

4800 rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4800	4036	rundll32.exe

flow	pid	process
20	4800	rundll32.exe
56	4800	rundll32.exe
60	4800	rundll32.exe

pid	process
4800	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

Processes:

WINWORD.EXE

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

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3368 WINWORD.EXE
3368 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

4800 rundll32.exe
4800 rundll32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

3368 WINWORD.EXE
3368 WINWORD.EXE
3368 WINWORD.EXE
3368 WINWORD.EXE
3368 WINWORD.EXE
3368 WINWORD.EXE
3368 WINWORD.EXE
3368 WINWORD.EXE

pid	process
3368	WINWORD.EXE
3368	WINWORD.EXE

pid	process
4800	rundll32.exe
4800	rundll32.exe

pid	process
3368	WINWORD.EXE
3368	WINWORD.EXE
3368	WINWORD.EXE
3368	WINWORD.EXE
3368	WINWORD.EXE
3368	WINWORD.EXE
3368	WINWORD.EXE
3368	WINWORD.EXE

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\redacted_file_12.23.2022.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3368

C:\Windows\system32\rundll32.exe
rundll32 C:\ProgramData\KBCZ1.DLL,init
1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4800

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\KBCZ1.DLL
Filesize
740KB

MD5
404584ebbd5392ae611636e83c80df07

SHA1
4215876dbb1d8b9d617e35a305ac1d9c03c3c138

SHA256
d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

SHA512
7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

Download Submit
C:\ProgramData\KBCZ1.DLL
Filesize
740KB

MD5
404584ebbd5392ae611636e83c80df07

SHA1
4215876dbb1d8b9d617e35a305ac1d9c03c3c138

SHA256
d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

SHA512
7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

Download Submit
memory/3368-136-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3368-150-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3368-132-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3368-137-0x00007FFC232B0000-0x00007FFC232C0000-memory.dmp

Filesize
64KB

Download
memory/3368-138-0x00007FFC232B0000-0x00007FFC232C0000-memory.dmp

Filesize
64KB

Download
memory/3368-134-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3368-133-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3368-152-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3368-143-0x000002209523A000-0x000002209523C000-memory.dmp

Filesize
8KB

Download
memory/3368-148-0x000002209523A000-0x000002209523C000-memory.dmp

Filesize
8KB

Download
memory/3368-135-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3368-151-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3368-153-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/4800-141-0x0000000180000000-0x0000000180009000-memory.dmp

Filesize
36KB

Download