icedid | 7561a0f5134bf3dbaa34d09f2a20dc01057626e74d7df42072bef06d6bd6ee95

General

Target

specifics,12.16.2020.doc
Size

92KB
MD5

ddf0d9e3d86f7542de8f619f00a7725a
SHA1

082ba5b236a3b9a0ae5d8d6a070c3e764792e7f2
SHA256

7561a0f5134bf3dbaa34d09f2a20dc01057626e74d7df42072bef06d6bd6ee95
SHA512

7daf04c544334ba04c7f0e2b6654fee58ecf85cc4dabd42d9237a72d4d0beb833c4d72dfff9cc2f957b8eb6c68d18dcf4b24d919ca11ee88e24224619301c3d7

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	396	936	rundll32.exe	WINWORD.EXE

Blocklisted process makes network request 8 IoCs

Processes:

mshta.exerundll32.exe

flow	pid	process
22	3576	mshta.exe
27	3260	rundll32.exe
29	3260	rundll32.exe
31	3260	rundll32.exe
33	3260	rundll32.exe
35	3260	rundll32.exe
37	3260	rundll32.exe
38	3260	rundll32.exe

Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

3260 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
3260	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

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

Processes:

rundll32.exe

pid process

3260 rundll32.exe
3260 rundll32.exe

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

pid	process
3260	rundll32.exe
3260	rundll32.exe

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

WINWORD.EXE

pid	process
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE
936	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

WINWORD.EXErundll32.exemshta.exe

description	pid	process	target process
PID 936 wrote to memory of 396	936	WINWORD.EXE	rundll32.exe
PID 936 wrote to memory of 396	936	WINWORD.EXE	rundll32.exe
PID 396 wrote to memory of 3576	396	rundll32.exe	mshta.exe
PID 396 wrote to memory of 3576	396	rundll32.exe	mshta.exe
PID 396 wrote to memory of 3576	396	rundll32.exe	mshta.exe
PID 3576 wrote to memory of 3260	3576	mshta.exe	rundll32.exe
PID 3576 wrote to memory of 3260	3576	mshta.exe	rundll32.exe
PID 3576 wrote to memory of 3260	3576	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\specifics,12.16.2020.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:936

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:396

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:3576

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" c:\programdata\ah6Q0.pdf,ShowDialogA -r
4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3260

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
40c7509a0ef4fd0ef94508819d1d29ac

SHA1
4842a4ed5b75a445035fc6f800f9166a4e277928

SHA256
19349c14b4633c5d1f18d7cafb375e71c7a32862620245bec6b41836fe24aa5a

SHA512
539967b7839370d5505eeabb347052e3abd013c44b62c6a0eed81cddb8124acb87576251d43b1fd23f2b4b6e17b0700da76ad80087980ea316d7c33b3f0bc402

Download Submit
\??\c:\programdata\ah6Q0.pdf
MD5
bff30c762b160a79e2f4356e1a605694

SHA1
d72529431ae4eaea21288a5564ae1adb11938fc5

SHA256
adb85cdfe36c9f27d90b727f3dd4a59fe097dafb177208fc5951370cdb8fdb0f

SHA512
51841cc47d00db14d314c9d60dc41eafc25f82e4dfe9ab5feb54b303da1d4e01514e4613ff17656bc15682366a709741e463bb2cd0af6818fa1521cef40d7140

Download Submit
\ProgramData\ah6Q0.pdf
MD5
bff30c762b160a79e2f4356e1a605694

SHA1
d72529431ae4eaea21288a5564ae1adb11938fc5

SHA256
adb85cdfe36c9f27d90b727f3dd4a59fe097dafb177208fc5951370cdb8fdb0f

SHA512
51841cc47d00db14d314c9d60dc41eafc25f82e4dfe9ab5feb54b303da1d4e01514e4613ff17656bc15682366a709741e463bb2cd0af6818fa1521cef40d7140

Download Submit
memory/396-6-0x0000000000000000-mapping.dmp

Download
memory/936-2-0x00000181ECFB0000-0x00000181ED5E7000-memory.dmp

Filesize
6.2MB

Download
memory/3260-9-0x0000000000000000-mapping.dmp

Download
memory/3576-8-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads