icedid | 22ade5dbd3fb6a4d10a8b2f177e85d86672dbd3c8c2863815d8f774388750362

General

Target

legal paper 12.20.doc
Size

91KB
MD5

af4aae598fca3fb06d8fc8a71e52b949
SHA1

984376a9eda44cdd26014e69870aef6c3d54606f
SHA256

22ade5dbd3fb6a4d10a8b2f177e85d86672dbd3c8c2863815d8f774388750362
SHA512

4332368ff6c49ea1dacc278f5d933c8b51b8f75719649631db3f3713bf2513a35638d3bd5ac78b8be9badd8b12628749689f05d7e1a6fdd9685b54cf6d198149

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	2604	648	rundll32.exe	WINWORD.EXE

Blocklisted process makes network request 7 IoCs

Processes:

mshta.exerundll32.exe

flow pid process

21 1156 mshta.exe
26 3932 rundll32.exe
28 3932 rundll32.exe
30 3932 rundll32.exe
32 3932 rundll32.exe
34 3932 rundll32.exe
36 3932 rundll32.exe
Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

3932 rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	pid	process
21	1156	mshta.exe
26	3932	rundll32.exe
28	3932	rundll32.exe
30	3932	rundll32.exe
32	3932	rundll32.exe
34	3932	rundll32.exe
36	3932	rundll32.exe

pid	process
3932	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

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

Processes:

rundll32.exe

pid process

3932 rundll32.exe
3932 rundll32.exe

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

pid	process
3932	rundll32.exe
3932	rundll32.exe

Suspicious use of SetWindowsHookEx 18 IoCs

Processes:

WINWORD.EXE

pid	process
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE
648	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

WINWORD.EXErundll32.exemshta.exe

description	pid	process	target process
PID 648 wrote to memory of 2604	648	WINWORD.EXE	rundll32.exe
PID 648 wrote to memory of 2604	648	WINWORD.EXE	rundll32.exe
PID 2604 wrote to memory of 1156	2604	rundll32.exe	mshta.exe
PID 2604 wrote to memory of 1156	2604	rundll32.exe	mshta.exe
PID 2604 wrote to memory of 1156	2604	rundll32.exe	mshta.exe
PID 1156 wrote to memory of 3932	1156	mshta.exe	rundll32.exe
PID 1156 wrote to memory of 3932	1156	mshta.exe	rundll32.exe
PID 1156 wrote to memory of 3932	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\legal paper 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:648

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:2604

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\aTX4l.pdf,ShowDialogA -r
4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3932

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

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Downloads

C:\users\public\index.hta
MD5
ec0f5514763c7ae11c16d83a463d4a07

SHA1
ed61425b573626e248f8c8cce2975178f49fac5e

SHA256
42943873febe7b152b2e7ecc0bef232f5143b55c11934e2f07af025b30e5d719

SHA512
b96a077f01a836cff4af3ad2d30e6bf9b7f9e921aa17163d8b1c53b95d28032be035011b085da4c123e61de8cb5225e55b866edd0805843fed8d5f13431fdb6f

Download Submit
\??\c:\programdata\aTX4l.pdf
MD5
dff847aecbadb00a7ec9360ba1f7599f

SHA1
c9700268c8eb9204a0e693b8ab44b9ade7c5d648

SHA256
b6d2b65a8a504da9837046a3f413749312c0d269992a339a886a33728d35b901

SHA512
7f0b8d9f566a4fb3a7adff2e74496ec0fcf06d16f7ca27e4280a97886af6c96140495b2b696e3a3199f8a6fe846cb36c105e554e9d0df4ab6e114f4f0a958fdd

Download Submit
\ProgramData\aTX4l.pdf
MD5
dff847aecbadb00a7ec9360ba1f7599f

SHA1
c9700268c8eb9204a0e693b8ab44b9ade7c5d648

SHA256
b6d2b65a8a504da9837046a3f413749312c0d269992a339a886a33728d35b901

SHA512
7f0b8d9f566a4fb3a7adff2e74496ec0fcf06d16f7ca27e4280a97886af6c96140495b2b696e3a3199f8a6fe846cb36c105e554e9d0df4ab6e114f4f0a958fdd

Download Submit
memory/648-2-0x00007FFA2D400000-0x00007FFA2DA37000-memory.dmp

Filesize
6.2MB

Download
memory/648-4-0x000002612AD13000-0x000002612AD7D000-memory.dmp

Filesize
424KB

Download
memory/648-5-0x000002612AD13000-0x000002612AD7D000-memory.dmp

Filesize
424KB

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

Download
memory/2604-6-0x0000000000000000-mapping.dmp

Download
memory/3932-9-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads