dridex | 9f1ca49e69173b3b5df37bbb48f17ce6ad857f4acbb0261f3306c9b1d2232d19

General

Target

0340ceae3de84b3968aee6c555fda030.xls
Size

315KB
MD5

0340ceae3de84b3968aee6c555fda030
SHA1

4949b8bcd99410bd26c3a2daef7284c39491fe66
SHA256

9f1ca49e69173b3b5df37bbb48f17ce6ad857f4acbb0261f3306c9b1d2232d19
SHA512

4d88991ec16e3189338e54a036ec2414578de709923b3f2eb9d1e8cb2f707dced87ffc71aaaca4ca103e5c84b1db2a72fac0dd3659e0f49c2432c87f3ddd53a7

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	512	1096	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/556-72-0x000000006A4F0000-0x000000006A520000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

6 512 mshta.exe
Downloads MZ/PE file
Loads dropped DLL 4 IoCs

Processes:

rundll32.exe

pid process

556 rundll32.exe
556 rundll32.exe
556 rundll32.exe
556 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
6	512	mshta.exe

pid	process
556	rundll32.exe
556	rundll32.exe
556	rundll32.exe
556	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
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1096 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1096 EXCEL.EXE
1096 EXCEL.EXE
1096 EXCEL.EXE
1096 EXCEL.EXE
1096 EXCEL.EXE

pid	process
1096	EXCEL.EXE

pid	process
1096	EXCEL.EXE
1096	EXCEL.EXE
1096	EXCEL.EXE
1096	EXCEL.EXE
1096	EXCEL.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

EXCEL.EXEmshta.exe

description	pid	process	target process
PID 1096 wrote to memory of 512	1096	EXCEL.EXE	mshta.exe
PID 1096 wrote to memory of 512	1096	EXCEL.EXE	mshta.exe
PID 1096 wrote to memory of 512	1096	EXCEL.EXE	mshta.exe
PID 1096 wrote to memory of 512	1096	EXCEL.EXE	mshta.exe
PID 512 wrote to memory of 556	512	mshta.exe	rundll32.exe
PID 512 wrote to memory of 556	512	mshta.exe	rundll32.exe
PID 512 wrote to memory of 556	512	mshta.exe	rundll32.exe
PID 512 wrote to memory of 556	512	mshta.exe	rundll32.exe
PID 512 wrote to memory of 556	512	mshta.exe	rundll32.exe
PID 512 wrote to memory of 556	512	mshta.exe	rundll32.exe
PID 512 wrote to memory of 556	512	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\0340ceae3de84b3968aee6c555fda030.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\mshta.exe
mshta C:\ProgramData//klScaleLogarithmic.sct
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:512

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\ProgramData\qTable5.dll,SetRealTimeUsage
3⤵
- Loads dropped DLL
- Checks whether UAC is enabled
PID:556

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\klScaleLogarithmic.sct
MD5
003bd894379c842375ad461edd637b2c

SHA1
e1d683446f1f2e668eb9e2c1740ffea0cfda168d

SHA256
1131f5d3c6e817d36c13f6513fd0b4e63b4ee266a0897dae7a537ace02fdbfd2

SHA512
7a557793a1162eb79166b16d4448d8853472bcf35da0096f70a4f6b76ee8c9d2b8b6a923de0b1cf51f18800eabbfa95d2fbe59cf456111293b0f1839f57a8cb8

Download Submit
C:\ProgramData\qTable5.dll
MD5
65638d179046f7caec06dc03e508b040

SHA1
351ee428ccaa279257ac8fc493eafc62beda580b

SHA256
1a560adb810b924e65f91e34664166be2c2adac10f7f28c075d902e4adb1112c

SHA512
c17078c4555cac26a501c81c13a4214b1934b097a925862da7e0b2abb1d959f997cb8fbfaa19b20be1d761fad7218a915d907e7f2b7fe4f0f84b471a93c3e526

Download Submit
\ProgramData\qTable5.dll
MD5
65638d179046f7caec06dc03e508b040

SHA1
351ee428ccaa279257ac8fc493eafc62beda580b

SHA256
1a560adb810b924e65f91e34664166be2c2adac10f7f28c075d902e4adb1112c

SHA512
c17078c4555cac26a501c81c13a4214b1934b097a925862da7e0b2abb1d959f997cb8fbfaa19b20be1d761fad7218a915d907e7f2b7fe4f0f84b471a93c3e526

Download Submit
\ProgramData\qTable5.dll
MD5
65638d179046f7caec06dc03e508b040

SHA1
351ee428ccaa279257ac8fc493eafc62beda580b

SHA256
1a560adb810b924e65f91e34664166be2c2adac10f7f28c075d902e4adb1112c

SHA512
c17078c4555cac26a501c81c13a4214b1934b097a925862da7e0b2abb1d959f997cb8fbfaa19b20be1d761fad7218a915d907e7f2b7fe4f0f84b471a93c3e526

Download Submit
\ProgramData\qTable5.dll
MD5
65638d179046f7caec06dc03e508b040

SHA1
351ee428ccaa279257ac8fc493eafc62beda580b

SHA256
1a560adb810b924e65f91e34664166be2c2adac10f7f28c075d902e4adb1112c

SHA512
c17078c4555cac26a501c81c13a4214b1934b097a925862da7e0b2abb1d959f997cb8fbfaa19b20be1d761fad7218a915d907e7f2b7fe4f0f84b471a93c3e526

Download Submit
\ProgramData\qTable5.dll
MD5
65638d179046f7caec06dc03e508b040

SHA1
351ee428ccaa279257ac8fc493eafc62beda580b

SHA256
1a560adb810b924e65f91e34664166be2c2adac10f7f28c075d902e4adb1112c

SHA512
c17078c4555cac26a501c81c13a4214b1934b097a925862da7e0b2abb1d959f997cb8fbfaa19b20be1d761fad7218a915d907e7f2b7fe4f0f84b471a93c3e526

Download Submit
memory/512-63-0x0000000000000000-mapping.dmp

Download
memory/556-66-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download
memory/556-65-0x0000000000000000-mapping.dmp

Download
memory/556-72-0x000000006A4F0000-0x000000006A520000-memory.dmp

Filesize
192KB

Download
memory/556-74-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1096-60-0x000000002FAE1000-0x000000002FAE4000-memory.dmp

Filesize
12KB

Download
memory/1096-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1096-61-0x00000000714F1000-0x00000000714F3000-memory.dmp

Filesize
8KB

Download
memory/1096-75-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads