icedid | db03167af22d454ea10c5f363cc9cbf415220773d6f20ebe4ce090030bdd7884

General

Target

adjure.12.20.doc

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	3680	732	rundll32.exe	WINWORD.EXE

Blocklisted process makes network request 8 IoCs

Processes:

mshta.exerundll32.exe

flow	pid	process
24	2240	mshta.exe
35	2188	rundll32.exe
37	2188	rundll32.exe
39	2188	rundll32.exe
41	2188	rundll32.exe
43	2188	rundll32.exe
45	2188	rundll32.exe
46	2188	rundll32.exe

Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

2188 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
2188	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

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

Processes:

rundll32.exe

pid process

2188 rundll32.exe
2188 rundll32.exe

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

pid	process
2188	rundll32.exe
2188	rundll32.exe

Suspicious use of SetWindowsHookEx 19 IoCs

Processes:

WINWORD.EXE

pid	process
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE
732	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

WINWORD.EXErundll32.exemshta.exe

description	pid	process	target process
PID 732 wrote to memory of 3680	732	WINWORD.EXE	rundll32.exe
PID 732 wrote to memory of 3680	732	WINWORD.EXE	rundll32.exe
PID 3680 wrote to memory of 2240	3680	rundll32.exe	mshta.exe
PID 3680 wrote to memory of 2240	3680	rundll32.exe	mshta.exe
PID 3680 wrote to memory of 2240	3680	rundll32.exe	mshta.exe
PID 2240 wrote to memory of 2188	2240	mshta.exe	rundll32.exe
PID 2240 wrote to memory of 2188	2240	mshta.exe	rundll32.exe
PID 2240 wrote to memory of 2188	2240	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\adjure.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:732

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:3680

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:2240

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" c:\programdata\acaoy9.pdf,ShowDialogA -r
4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2188

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
50036f81bece98369a3b0ba4cf6954e4

SHA1
7d619f79bff499e543ebda1f2930fbc4136a456a

SHA256
756de1442605cc97df5a2ba2ec9c5c4f771a98c68533895a3314939e82977443

SHA512
2fe3d8b58db88caeb3b96312aede3c2c97fbc13a49cd04964471d6507af8afdd64408072a6c1da1c2e6e09a390fcd077caa173e3d1da0a86e1892d207a39ba92

Download Submit
\??\c:\programdata\acaoy9.pdf
MD5
1d50e38eb03b9d537509ea797ef67d42

SHA1
293475cc3ca5651e6d299bd90d9c6f7ab7bfc1f7

SHA256
dcb36145cc85ac2fc683db8d1901aa2de441b39273edb8d66e749c60e459feef

SHA512
0984fd4a7c58324813d6acef4b2d659b3d4ed8612173ceb98e0ca654f46779f2193219107ea5d57eea346b10162660fada633ac49ff0419a47482c70c3a581d0

Download Submit
\ProgramData\acaoy9.pdf
MD5
1d50e38eb03b9d537509ea797ef67d42

SHA1
293475cc3ca5651e6d299bd90d9c6f7ab7bfc1f7

SHA256
dcb36145cc85ac2fc683db8d1901aa2de441b39273edb8d66e749c60e459feef

SHA512
0984fd4a7c58324813d6acef4b2d659b3d4ed8612173ceb98e0ca654f46779f2193219107ea5d57eea346b10162660fada633ac49ff0419a47482c70c3a581d0

Download Submit
memory/732-2-0x00007FF99AF40000-0x00007FF99B577000-memory.dmp

Filesize
6.2MB

Download
memory/732-3-0x000001D6947FE000-0x000001D69480F000-memory.dmp

Filesize
68KB

Download
memory/2188-9-0x0000000000000000-mapping.dmp

Download
memory/2240-8-0x0000000000000000-mapping.dmp

Download
memory/3680-6-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads