icedid | 646dcfd47d1e5426d9669777582923cf1e7c474f80bc86df282df04925ee80e9

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2022 18:01

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General

Target

shawbiz invoice 12.23.docm
Size

1.3MB
MD5

440b56bb35362c65c9b8fc64a119aa36
SHA1

c73967db942b92ae2c78efd36be1595cd298bb99
SHA256

646dcfd47d1e5426d9669777582923cf1e7c474f80bc86df282df04925ee80e9
SHA512

35976e273aaf43683201bc00ea3efcf0f59f2ee76a3a25b5165268e18b9a51868005f9a69a07a1e28e998ce408fcd5f5e2e93ccbb4c6e8be35a487d159da32de
SSDEEP

24576:/jpJmLOgHWi8bj11H2w5inpF7sONo/qiy7L9pvRDcG7EzqHm+BmcZ:/jpJmgf3zliFppfKqG+5

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 3624 4992 rundll32.exe
Blocklisted process makes network request 3 IoCs

Processes:

rundll32.exe

flow pid process

19 3624 rundll32.exe
77 3624 rundll32.exe
85 3624 rundll32.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

3624 rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3624	4992	rundll32.exe

flow	pid	process
19	3624	rundll32.exe
77	3624	rundll32.exe
85	3624	rundll32.exe

pid	process
3624	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

4908 WINWORD.EXE
4908 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

3624 rundll32.exe
3624 rundll32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4908 WINWORD.EXE
4908 WINWORD.EXE
4908 WINWORD.EXE
4908 WINWORD.EXE
4908 WINWORD.EXE
4908 WINWORD.EXE
4908 WINWORD.EXE
4908 WINWORD.EXE

pid	process
4908	WINWORD.EXE
4908	WINWORD.EXE

pid	process
3624	rundll32.exe
3624	rundll32.exe

pid	process
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	WINWORD.EXE
4908	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\shawbiz invoice 12.23.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4908

C:\Windows\system32\rundll32.exe
rundll32 C:\ProgramData\KBFR6.DLL,init
1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3624

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\KBFR6.DLL
Filesize
740KB

MD5
404584ebbd5392ae611636e83c80df07

SHA1
4215876dbb1d8b9d617e35a305ac1d9c03c3c138

SHA256
d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

SHA512
7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

Download Submit
C:\ProgramData\KBFR6.DLL
Filesize
740KB

MD5
404584ebbd5392ae611636e83c80df07

SHA1
4215876dbb1d8b9d617e35a305ac1d9c03c3c138

SHA256
d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

SHA512
7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

Download Submit
memory/3624-141-0x0000000180000000-0x0000000180009000-memory.dmp

Filesize
36KB

Download
memory/4908-132-0x00007FF80E8D0000-0x00007FF80E8E0000-memory.dmp

Filesize
64KB

Download
memory/4908-136-0x00007FF80E8D0000-0x00007FF80E8E0000-memory.dmp

Filesize
64KB

Download
memory/4908-137-0x00007FF80C140000-0x00007FF80C150000-memory.dmp

Filesize
64KB

Download
memory/4908-138-0x00007FF80C140000-0x00007FF80C150000-memory.dmp

Filesize
64KB

Download
memory/4908-135-0x00007FF80E8D0000-0x00007FF80E8E0000-memory.dmp

Filesize
64KB

Download
memory/4908-133-0x00007FF80E8D0000-0x00007FF80E8E0000-memory.dmp

Filesize
64KB

Download
memory/4908-134-0x00007FF80E8D0000-0x00007FF80E8E0000-memory.dmp

Filesize
64KB

Download
memory/4908-148-0x00007FF80E8D0000-0x00007FF80E8E0000-memory.dmp

Filesize
64KB

Download
memory/4908-149-0x00007FF80E8D0000-0x00007FF80E8E0000-memory.dmp

Filesize
64KB

Download
memory/4908-150-0x00007FF80E8D0000-0x00007FF80E8E0000-memory.dmp

Filesize
64KB

Download
memory/4908-151-0x00007FF80E8D0000-0x00007FF80E8E0000-memory.dmp

Filesize
64KB

Download