dridex | b11c33ee5fd193e6548d14c2bde4865d30d6d5fd25135bc258cfd8595ae3695c

General

Target

f70c0885e76e57f37399d54b10f183ad.xls
Size

313KB
MD5

f70c0885e76e57f37399d54b10f183ad
SHA1

20548e3304d242789766edfe7c8c7d4e9ccd5b25
SHA256

b11c33ee5fd193e6548d14c2bde4865d30d6d5fd25135bc258cfd8595ae3695c
SHA512

5724457de05561b7e54380c3e3157f0f102084699c04340969394b03f6767e0d99a5e3f2a03871483ae7a3a2822e46a923ac85f433fdbfc64a56e6d93a763f6b

Score

10^/10

dridex 22202 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22202

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	616	676	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/1016-72-0x0000000069F90000-0x0000000069FC1000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

4 616 mshta.exe
Downloads MZ/PE file
Loads dropped DLL 4 IoCs

Processes:

rundll32.exe

pid process

1016 rundll32.exe
1016 rundll32.exe
1016 rundll32.exe
1016 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
4	616	mshta.exe

pid	process
1016	rundll32.exe
1016	rundll32.exe
1016	rundll32.exe
1016	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 (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\E&xport to Microsoft Excel	EXCEL.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
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 (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\MenuExt	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\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

676 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

676 EXCEL.EXE
676 EXCEL.EXE
676 EXCEL.EXE
676 EXCEL.EXE
676 EXCEL.EXE

pid	process
676	EXCEL.EXE

pid	process
676	EXCEL.EXE
676	EXCEL.EXE
676	EXCEL.EXE
676	EXCEL.EXE
676	EXCEL.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

EXCEL.EXEmshta.exe

description	pid	process	target process
PID 676 wrote to memory of 616	676	EXCEL.EXE	mshta.exe
PID 676 wrote to memory of 616	676	EXCEL.EXE	mshta.exe
PID 676 wrote to memory of 616	676	EXCEL.EXE	mshta.exe
PID 676 wrote to memory of 616	676	EXCEL.EXE	mshta.exe
PID 616 wrote to memory of 1016	616	mshta.exe	rundll32.exe
PID 616 wrote to memory of 1016	616	mshta.exe	rundll32.exe
PID 616 wrote to memory of 1016	616	mshta.exe	rundll32.exe
PID 616 wrote to memory of 1016	616	mshta.exe	rundll32.exe
PID 616 wrote to memory of 1016	616	mshta.exe	rundll32.exe
PID 616 wrote to memory of 1016	616	mshta.exe	rundll32.exe
PID 616 wrote to memory of 1016	616	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\f70c0885e76e57f37399d54b10f183ad.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:676

C:\Windows\SysWOW64\mshta.exe
mshta C:\ProgramData//klCylinderCol.sct
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:616

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\ProgramData\qSmartTagControlButton.dll,SetRealTimeUsage
3⤵
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1016

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\klCylinderCol.sct
MD5
6266b66d75cc153152d30f7a63452911

SHA1
baea6e86c331aca229b4a30377d2f5ddaa7f147f

SHA256
17c2979a15186f40d2108a415e89e4ca08a125db3b04a85aecd4f149e1f66fa2

SHA512
50d2728a86b53c4007be65f1dcc5397a09eb3089f92da24b7bcce273cabc9ac8936662ae4f728799af554a36e199a64550e3003bfbb14439b870b58f47c0e086

Download Submit
C:\ProgramData\qSmartTagControlButton.dll
MD5
145c6b9290b6cf598f4995a8a70da916

SHA1
11186a014fadd68d32a7cd76615c088c1adde213

SHA256
770cb2aa5ea76f90e27bc72110b531fa3985ab4352d25362926971285408f148

SHA512
849e06ac1b43183b6477c780eab57c15d8e533b14090e3b4c34bfbf26bbee2f54228f3bedab6b799b320acce72ac45bcf074ee8e04962c325d4ab385b7209087

Download Submit
\ProgramData\qSmartTagControlButton.dll
MD5
145c6b9290b6cf598f4995a8a70da916

SHA1
11186a014fadd68d32a7cd76615c088c1adde213

SHA256
770cb2aa5ea76f90e27bc72110b531fa3985ab4352d25362926971285408f148

SHA512
849e06ac1b43183b6477c780eab57c15d8e533b14090e3b4c34bfbf26bbee2f54228f3bedab6b799b320acce72ac45bcf074ee8e04962c325d4ab385b7209087

Download Submit
\ProgramData\qSmartTagControlButton.dll
MD5
145c6b9290b6cf598f4995a8a70da916

SHA1
11186a014fadd68d32a7cd76615c088c1adde213

SHA256
770cb2aa5ea76f90e27bc72110b531fa3985ab4352d25362926971285408f148

SHA512
849e06ac1b43183b6477c780eab57c15d8e533b14090e3b4c34bfbf26bbee2f54228f3bedab6b799b320acce72ac45bcf074ee8e04962c325d4ab385b7209087

Download Submit
\ProgramData\qSmartTagControlButton.dll
MD5
145c6b9290b6cf598f4995a8a70da916

SHA1
11186a014fadd68d32a7cd76615c088c1adde213

SHA256
770cb2aa5ea76f90e27bc72110b531fa3985ab4352d25362926971285408f148

SHA512
849e06ac1b43183b6477c780eab57c15d8e533b14090e3b4c34bfbf26bbee2f54228f3bedab6b799b320acce72ac45bcf074ee8e04962c325d4ab385b7209087

Download Submit
\ProgramData\qSmartTagControlButton.dll
MD5
145c6b9290b6cf598f4995a8a70da916

SHA1
11186a014fadd68d32a7cd76615c088c1adde213

SHA256
770cb2aa5ea76f90e27bc72110b531fa3985ab4352d25362926971285408f148

SHA512
849e06ac1b43183b6477c780eab57c15d8e533b14090e3b4c34bfbf26bbee2f54228f3bedab6b799b320acce72ac45bcf074ee8e04962c325d4ab385b7209087

Download Submit
memory/616-62-0x0000000000000000-mapping.dmp

Download
memory/616-63-0x0000000075051000-0x0000000075053000-memory.dmp

Filesize
8KB

Download
memory/676-59-0x000000002FEA1000-0x000000002FEA4000-memory.dmp

Filesize
12KB

Download
memory/676-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/676-60-0x0000000070D41000-0x0000000070D43000-memory.dmp

Filesize
8KB

Download
memory/676-75-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1016-65-0x0000000000000000-mapping.dmp

Download
memory/1016-72-0x0000000069F90000-0x0000000069FC1000-memory.dmp

Filesize
196KB

Download
memory/1016-74-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads