icedid | 97562356bf8fb0036c0a85a51f66015565018a9d2f810d4e0b7426dade78d929

General

Target

intelligence.12.20.doc
Size

93KB
MD5

65ec18ca70efc83cdbfc3c13787b87ac
SHA1

6fa3ca64a8f9584b45311d0027ec87ec54345fa8
SHA256

97562356bf8fb0036c0a85a51f66015565018a9d2f810d4e0b7426dade78d929
SHA512

7baa49f87297f57b0956244436255b2759b0254205ef95bfdb94a6fc49d43b3af813e914beba37eed35d0e83a2758170f70bdde71397da5db9d824e834f2f52f

Score

10^/10

icedid banker trojan

Malware Config

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:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	4012	636	rundll32.exe	WINWORD.EXE

Blocklisted process makes network request 9 IoCs

Processes:

mshta.exerundll32.exe

flow	pid	process
21	1156	mshta.exe
28	3952	rundll32.exe
30	3952	rundll32.exe
32	3952	rundll32.exe
41	3952	rundll32.exe
43	3952	rundll32.exe
45	3952	rundll32.exe
47	3952	rundll32.exe
48	3952	rundll32.exe

Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

3952 rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
3952	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

Modifies registry class 1 IoCs

Processes:

rundll32.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings rundll32.exe
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

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

Processes:

rundll32.exe

pid process

3952 rundll32.exe
3952 rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings	rundll32.exe

pid	process
3952	rundll32.exe
3952	rundll32.exe

Suspicious use of SetWindowsHookEx 18 IoCs

Processes:

WINWORD.EXE

pid	process
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE
636	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

WINWORD.EXErundll32.exemshta.exe

description	pid	process	target process
PID 636 wrote to memory of 4012	636	WINWORD.EXE	rundll32.exe
PID 636 wrote to memory of 4012	636	WINWORD.EXE	rundll32.exe
PID 4012 wrote to memory of 1156	4012	rundll32.exe	mshta.exe
PID 4012 wrote to memory of 1156	4012	rundll32.exe	mshta.exe
PID 4012 wrote to memory of 1156	4012	rundll32.exe	mshta.exe
PID 1156 wrote to memory of 3952	1156	mshta.exe	rundll32.exe
PID 1156 wrote to memory of 3952	1156	mshta.exe	rundll32.exe
PID 1156 wrote to memory of 3952	1156	mshta.exe	rundll32.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\intelligence.12.20.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:636

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" url.dll,OpenURL c:\users\public\index.hta
2⤵
- Process spawned unexpected child process
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4012

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\index.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
3⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1156

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" c:\programdata\aJ2cyR.pdf,ShowDialogA -r
4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3952

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\users\public\index.hta
MD5
8922fdd41757d561b0816a7b704274ed

SHA1
48ba109f85a143450a13443aa98bbc9234d17b0c

SHA256
afd00b76feabdf9014fccf380a19cbae749c136cb451fd00ea449b369e9cd98c

SHA512
63c546191c8ed4f0d7a05b31de03c9f27607d4952b10d98cf7e74bc292f4c761d4093ca8deaa8c7557f8f752996a59a9304ce6f134a8374b54ff78757a79a359

Download Submit
\??\c:\programdata\aJ2cyR.pdf
MD5
865584b3ff4ae94479aeb2242742d07d

SHA1
e2ed69d9b1491e7ed0ea3e5de116a57ff43f5554

SHA256
0c5f58d34da1affd88b15096304da7f9007966e8a8cea612abdbad956c99e378

SHA512
2541e3695a3d3eff5d711de20e879119243fc932ad864352fb8d1ba241cd4ef51ca83e061f23ea65de169418df55066629c4ca082b2e9ddfb988d9d2602e1bf3

Download Submit
\ProgramData\aJ2cyR.pdf
MD5
865584b3ff4ae94479aeb2242742d07d

SHA1
e2ed69d9b1491e7ed0ea3e5de116a57ff43f5554

SHA256
0c5f58d34da1affd88b15096304da7f9007966e8a8cea612abdbad956c99e378

SHA512
2541e3695a3d3eff5d711de20e879119243fc932ad864352fb8d1ba241cd4ef51ca83e061f23ea65de169418df55066629c4ca082b2e9ddfb988d9d2602e1bf3

Download Submit
memory/636-2-0x00007FFA2D4C0000-0x00007FFA2DAF7000-memory.dmp

Filesize
6.2MB

Download
memory/1156-8-0x0000000000000000-mapping.dmp

Download
memory/3952-9-0x0000000000000000-mapping.dmp

Download
memory/4012-6-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads