icedid | 47220270d007200cdf76e9867245320ead29976e15ab5e164d9babe8ac04bea0

General

Target

enjoin,12.15.2020.doc
Size

95KB
MD5

833181d6dc9faf97302fe055e4d70799
SHA1

0ce9dabffe93625a44751507355b719806d81d2b
SHA256

47220270d007200cdf76e9867245320ead29976e15ab5e164d9babe8ac04bea0
SHA512

a4f30b2203751528b4c3577549235de15d81c39b31f58825ee5117220d6d3fd7e7478c6c33ff7a0e3cf5495b2fd0a1bff611dbf4f086849f9a1c4dc3cc610de2

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	2724	728	rundll32.exe	WINWORD.EXE

Blocklisted process makes network request 6 IoCs

Processes:

mshta.exerundll32.exe

flow pid process

26 1328 mshta.exe
29 2428 rundll32.exe
33 2428 rundll32.exe
35 2428 rundll32.exe
39 2428 rundll32.exe
40 2428 rundll32.exe
Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

2428 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
26	1328	mshta.exe
29	2428	rundll32.exe
33	2428	rundll32.exe
35	2428	rundll32.exe
39	2428	rundll32.exe
40	2428	rundll32.exe

pid	process
2428	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

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

Processes:

rundll32.exe

pid process

2428 rundll32.exe
2428 rundll32.exe

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

pid	process
2428	rundll32.exe
2428	rundll32.exe

Suspicious use of SetWindowsHookEx 18 IoCs

Processes:

WINWORD.EXE

pid	process
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE
728	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

WINWORD.EXErundll32.exemshta.exe

description	pid	process	target process
PID 728 wrote to memory of 2724	728	WINWORD.EXE	rundll32.exe
PID 728 wrote to memory of 2724	728	WINWORD.EXE	rundll32.exe
PID 2724 wrote to memory of 1328	2724	rundll32.exe	mshta.exe
PID 2724 wrote to memory of 1328	2724	rundll32.exe	mshta.exe
PID 2724 wrote to memory of 1328	2724	rundll32.exe	mshta.exe
PID 1328 wrote to memory of 2428	1328	mshta.exe	rundll32.exe
PID 1328 wrote to memory of 2428	1328	mshta.exe	rundll32.exe
PID 1328 wrote to memory of 2428	1328	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\enjoin,12.15.2020.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:728

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:2724

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:1328

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" c:\programdata\atdyl.pdf,ShowDialogA -r
4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2428

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
8e92bf0befd2c2434f6afbaf95acb8bf

SHA1
1d06bcaf7d578a3353736fa62cbf17c1f7d8acc9

SHA256
fb1865b72c9d95a3f4c72cc356fb34f2e2de10ae313f64ebd98b72327bda5365

SHA512
977657cf814ec2d79d3b0dfd475079f122dd8fab3c793cccc2624d7c0ca6388e4c7185f73703783af9aac966d652097d2ea855a932e4a3ac7fb4f6c1b7808704

Download Submit
\??\c:\programdata\atdyl.pdf
MD5
8106e36bfe9eed6ef14b5caad2ad046e

SHA1
3bf0f24f3167dd7aeae1cb91d7ea40e5dfe1074f

SHA256
bc060abf8b106ee5e3906c961e75a87fa1e95e5fb0da3003a24dcb719e616b80

SHA512
7a828d3813d16a3101177b9a7140dd720cc5b65e706942f99f12660803451228fbee718b59a39fd82694da7157266eda7e88e15e982015524115f9c0e9147623

Download Submit
\ProgramData\atdyl.pdf
MD5
8106e36bfe9eed6ef14b5caad2ad046e

SHA1
3bf0f24f3167dd7aeae1cb91d7ea40e5dfe1074f

SHA256
bc060abf8b106ee5e3906c961e75a87fa1e95e5fb0da3003a24dcb719e616b80

SHA512
7a828d3813d16a3101177b9a7140dd720cc5b65e706942f99f12660803451228fbee718b59a39fd82694da7157266eda7e88e15e982015524115f9c0e9147623

Download Submit
memory/728-2-0x00007FF99AF40000-0x00007FF99B577000-memory.dmp

Filesize
6.2MB

Download
memory/728-3-0x0000010F58FA8000-0x0000010F58FAB000-memory.dmp

Filesize
12KB

Download
memory/728-4-0x0000010F58FA8000-0x0000010F58FAB000-memory.dmp

Filesize
12KB

Download
memory/728-5-0x0000010F58FAB000-0x0000010F58FB2000-memory.dmp

Filesize
28KB

Download
memory/1328-8-0x0000000000000000-mapping.dmp

Download
memory/2428-9-0x0000000000000000-mapping.dmp

Download
memory/2724-6-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads