dridex | 6566f7a379e744ca6e006241bdc600bdcd09c17dc48f61f13f9d9b11b86f9483

General

Target

2c13b06a4c6d4d880060037edf641ad5.xls
Size

659KB
MD5

2c13b06a4c6d4d880060037edf641ad5
SHA1

835dbe95edd096c6800d75054f7e8d62999248fc
SHA256

6566f7a379e744ca6e006241bdc600bdcd09c17dc48f61f13f9d9b11b86f9483
SHA512

c904bce7a1fc20845a7fb824699bfe16205fa74bc0a396756ebe998d2d1785a84579899ff24c19338e606ef766e7c5315c10cb4397ac36265ead8ffbf3280aac

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	1620	1696	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/1504-71-0x000000006A5B0000-0x000000006A5E0000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

2 1620 mshta.exe
Downloads MZ/PE file
Loads dropped DLL 4 IoCs

Processes:

rundll32.exe

pid process

1504 rundll32.exe
1504 rundll32.exe
1504 rundll32.exe
1504 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
2	1620	mshta.exe

pid	process
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	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-1-5-21-2455352368-1077083310-2879168483-1000\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 (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
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
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 (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	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

1696 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1696 EXCEL.EXE
1696 EXCEL.EXE
1696 EXCEL.EXE

pid	process
1696	EXCEL.EXE

pid	process
1696	EXCEL.EXE
1696	EXCEL.EXE
1696	EXCEL.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

EXCEL.EXEmshta.exe

description	pid	process	target process
PID 1696 wrote to memory of 1620	1696	EXCEL.EXE	mshta.exe
PID 1696 wrote to memory of 1620	1696	EXCEL.EXE	mshta.exe
PID 1696 wrote to memory of 1620	1696	EXCEL.EXE	mshta.exe
PID 1696 wrote to memory of 1620	1696	EXCEL.EXE	mshta.exe
PID 1620 wrote to memory of 1504	1620	mshta.exe	rundll32.exe
PID 1620 wrote to memory of 1504	1620	mshta.exe	rundll32.exe
PID 1620 wrote to memory of 1504	1620	mshta.exe	rundll32.exe
PID 1620 wrote to memory of 1504	1620	mshta.exe	rundll32.exe
PID 1620 wrote to memory of 1504	1620	mshta.exe	rundll32.exe
PID 1620 wrote to memory of 1504	1620	mshta.exe	rundll32.exe
PID 1620 wrote to memory of 1504	1620	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\2c13b06a4c6d4d880060037edf641ad5.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\mshta.exe
mshta C:\ProgramData//klClipboardFormatLinkSourceDesc.sct
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1620

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\ProgramData\qPatternCrissCross.dll,SetRealTimeUsage
3⤵
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1504

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

Replay Monitor

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Downloads

C:\ProgramData\klClipboardFormatLinkSourceDesc.sct
MD5
454f42662ac7c0c99786c84767774649

SHA1
2429674151cb239a36628880099ec80d2619311d

SHA256
c62c48f57e10e1032703fcb7ed95d6c0a74f1f3b3d69b4bbb5e260a3f7a4d4f5

SHA512
7404b5e71ef40d9948b20946ddd752bbd618d9ecd87189972eac02310a8583b4c08090f6c82345d2e29f7e1232fd29b19b778f69cc929c1422c7a96bf1be270f

Download Submit
C:\ProgramData\qPatternCrissCross.dll
MD5
adb1d947f0901a4f3cb0b8ad1a6ee385

SHA1
b82715bbeab52f75dd44f6396593111ae242632c

SHA256
55bc0af1e99d0310ea3e8668aba02e4d3aa3c800b85fe304a6377968a4668cc1

SHA512
7eea926f405b066917262ad31e109773c40373e6254a25e2b25c53175a8ca7aabc66e275672af38e45eabcd2080f8236078f709ed0332a092cc41b5afea5a606

Download Submit
\ProgramData\qPatternCrissCross.dll
MD5
adb1d947f0901a4f3cb0b8ad1a6ee385

SHA1
b82715bbeab52f75dd44f6396593111ae242632c

SHA256
55bc0af1e99d0310ea3e8668aba02e4d3aa3c800b85fe304a6377968a4668cc1

SHA512
7eea926f405b066917262ad31e109773c40373e6254a25e2b25c53175a8ca7aabc66e275672af38e45eabcd2080f8236078f709ed0332a092cc41b5afea5a606

Download Submit
\ProgramData\qPatternCrissCross.dll
MD5
adb1d947f0901a4f3cb0b8ad1a6ee385

SHA1
b82715bbeab52f75dd44f6396593111ae242632c

SHA256
55bc0af1e99d0310ea3e8668aba02e4d3aa3c800b85fe304a6377968a4668cc1

SHA512
7eea926f405b066917262ad31e109773c40373e6254a25e2b25c53175a8ca7aabc66e275672af38e45eabcd2080f8236078f709ed0332a092cc41b5afea5a606

Download Submit
\ProgramData\qPatternCrissCross.dll
MD5
adb1d947f0901a4f3cb0b8ad1a6ee385

SHA1
b82715bbeab52f75dd44f6396593111ae242632c

SHA256
55bc0af1e99d0310ea3e8668aba02e4d3aa3c800b85fe304a6377968a4668cc1

SHA512
7eea926f405b066917262ad31e109773c40373e6254a25e2b25c53175a8ca7aabc66e275672af38e45eabcd2080f8236078f709ed0332a092cc41b5afea5a606

Download Submit
\ProgramData\qPatternCrissCross.dll
MD5
adb1d947f0901a4f3cb0b8ad1a6ee385

SHA1
b82715bbeab52f75dd44f6396593111ae242632c

SHA256
55bc0af1e99d0310ea3e8668aba02e4d3aa3c800b85fe304a6377968a4668cc1

SHA512
7eea926f405b066917262ad31e109773c40373e6254a25e2b25c53175a8ca7aabc66e275672af38e45eabcd2080f8236078f709ed0332a092cc41b5afea5a606

Download Submit
memory/1504-65-0x0000000075211000-0x0000000075213000-memory.dmp

Filesize
8KB

Download
memory/1504-64-0x0000000000000000-mapping.dmp

Download
memory/1504-71-0x000000006A5B0000-0x000000006A5E0000-memory.dmp

Filesize
192KB

Download
memory/1504-73-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1620-62-0x0000000000000000-mapping.dmp

Download
memory/1696-59-0x000000002F161000-0x000000002F164000-memory.dmp

Filesize
12KB

Download
memory/1696-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1696-60-0x0000000071141000-0x0000000071143000-memory.dmp

Filesize
8KB

Download
memory/1696-74-0x000000005FFF0000-0x0000000060000000-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