dridex | 278f1244b407f4cf155a7e63341681f7f5e61b003e1c2a3a70a9ccfd575006e0

General

Target

c2d2852e6521b53d220c38d2418fc982.xls
Size

313KB
MD5

c2d2852e6521b53d220c38d2418fc982
SHA1

4ea6c060741d7161cee11c3ccc085790c9378e6f
SHA256

278f1244b407f4cf155a7e63341681f7f5e61b003e1c2a3a70a9ccfd575006e0
SHA512

46c7c91d8a0e4579aa0d0e46a2f4a07d6a02e221947f1c4bbc8eb4b3aa0f4cc879870c26e171e8bfe34b612d19f7a7c583c3909d90fe8fc3496ec15fe8ac4b26

Score

10^/10

dridex 22201 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

178.238.236.59:443

104.245.52.73:5007

81.0.236.93:13786

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

mshta.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1952	1756	mshta.exe	EXCEL.EXE

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/988-72-0x000000006A600000-0x000000006A630000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

3 1952 mshta.exe
Downloads MZ/PE file
Loads dropped DLL 4 IoCs

Processes:

rundll32.exe

pid process

988 rundll32.exe
988 rundll32.exe
988 rundll32.exe
988 rundll32.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe
Office loads VBA resources, possible macro or embedded object present
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

flow	pid	process
3	1952	mshta.exe

pid	process
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 10 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXEmshta.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1756 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1756 EXCEL.EXE
1756 EXCEL.EXE
1756 EXCEL.EXE

pid	process
1756	EXCEL.EXE

pid	process
1756	EXCEL.EXE
1756	EXCEL.EXE
1756	EXCEL.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

EXCEL.EXEmshta.exe

description	pid	process	target process
PID 1756 wrote to memory of 1952	1756	EXCEL.EXE	mshta.exe
PID 1756 wrote to memory of 1952	1756	EXCEL.EXE	mshta.exe
PID 1756 wrote to memory of 1952	1756	EXCEL.EXE	mshta.exe
PID 1756 wrote to memory of 1952	1756	EXCEL.EXE	mshta.exe
PID 1952 wrote to memory of 988	1952	mshta.exe	rundll32.exe
PID 1952 wrote to memory of 988	1952	mshta.exe	rundll32.exe
PID 1952 wrote to memory of 988	1952	mshta.exe	rundll32.exe
PID 1952 wrote to memory of 988	1952	mshta.exe	rundll32.exe
PID 1952 wrote to memory of 988	1952	mshta.exe	rundll32.exe
PID 1952 wrote to memory of 988	1952	mshta.exe	rundll32.exe
PID 1952 wrote to memory of 988	1952	mshta.exe	rundll32.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\c2d2852e6521b53d220c38d2418fc982.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\mshta.exe
mshta C:\ProgramData//klHtmlChart.sct
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1952

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\ProgramData\qDiamond.dll,SetRealTimeUsage
3⤵
- Loads dropped DLL
- Checks whether UAC is enabled
PID:988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\klHtmlChart.sct
MD5
206d2dcd8cc7e9ea711d822250dac9aa

SHA1
2d1008cca3d028655a3537f80e891d82ff526976

SHA256
6aa3008329a781334250b0939d11344709456fa4b8a27fc1a061f365e1e720ab

SHA512
0ff55493e3c4459bbded89ae9f915a42acefe6a8fa5e37a6027d73edc8fd1e070919642c7c14b8a08eaab900537509a7768c238b2f3fdf39e054bb52c46b3c56

Download Submit
C:\ProgramData\qDiamond.dll
MD5
8b16733dcb7b1477a70352b8b37893d8

SHA1
0a7752872504ed87a1598f78633f940315acb558

SHA256
6e1a19c1ead7999ac95c9a6ec469cedfdda7b513dee65cf6c3c7ebf9385eaffc

SHA512
4abf4d4e3fc216bfeea33b400954a15a4d3c9cb913ef9bd032ddcc11be30b80650a4999309fd16bfc499101f13140365c0b2f438d9c719fc858022cc1bce7725

Download Submit
\ProgramData\qDiamond.dll
MD5
8b16733dcb7b1477a70352b8b37893d8

SHA1
0a7752872504ed87a1598f78633f940315acb558

SHA256
6e1a19c1ead7999ac95c9a6ec469cedfdda7b513dee65cf6c3c7ebf9385eaffc

SHA512
4abf4d4e3fc216bfeea33b400954a15a4d3c9cb913ef9bd032ddcc11be30b80650a4999309fd16bfc499101f13140365c0b2f438d9c719fc858022cc1bce7725

Download Submit
\ProgramData\qDiamond.dll
MD5
8b16733dcb7b1477a70352b8b37893d8

SHA1
0a7752872504ed87a1598f78633f940315acb558

SHA256
6e1a19c1ead7999ac95c9a6ec469cedfdda7b513dee65cf6c3c7ebf9385eaffc

SHA512
4abf4d4e3fc216bfeea33b400954a15a4d3c9cb913ef9bd032ddcc11be30b80650a4999309fd16bfc499101f13140365c0b2f438d9c719fc858022cc1bce7725

Download Submit
\ProgramData\qDiamond.dll
MD5
8b16733dcb7b1477a70352b8b37893d8

SHA1
0a7752872504ed87a1598f78633f940315acb558

SHA256
6e1a19c1ead7999ac95c9a6ec469cedfdda7b513dee65cf6c3c7ebf9385eaffc

SHA512
4abf4d4e3fc216bfeea33b400954a15a4d3c9cb913ef9bd032ddcc11be30b80650a4999309fd16bfc499101f13140365c0b2f438d9c719fc858022cc1bce7725

Download Submit
\ProgramData\qDiamond.dll
MD5
8b16733dcb7b1477a70352b8b37893d8

SHA1
0a7752872504ed87a1598f78633f940315acb558

SHA256
6e1a19c1ead7999ac95c9a6ec469cedfdda7b513dee65cf6c3c7ebf9385eaffc

SHA512
4abf4d4e3fc216bfeea33b400954a15a4d3c9cb913ef9bd032ddcc11be30b80650a4999309fd16bfc499101f13140365c0b2f438d9c719fc858022cc1bce7725

Download Submit
memory/988-66-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/988-65-0x0000000000000000-mapping.dmp

Download
memory/988-72-0x000000006A600000-0x000000006A630000-memory.dmp

Filesize
192KB

Download
memory/988-74-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1756-60-0x000000002F5C1000-0x000000002F5C4000-memory.dmp

Filesize
12KB

Download
memory/1756-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1756-61-0x0000000071521000-0x0000000071523000-memory.dmp

Filesize
8KB

Download
memory/1756-75-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1952-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads