dridex | 081618f7d9c6c92271f8d6bc65c8e13f33dfe9e5022f06aaec95664ee31fead4

General

Target

SecuriteInfo.com.VB.Trojan.Valyria.5105.29893.19434.xlsm
Size

334KB
MD5

1f196d875fd7d89ac57831926bbb9563
SHA1

3ed1e676f334ab3f82d3a056dad079f85458bfb4
SHA256

081618f7d9c6c92271f8d6bc65c8e13f33dfe9e5022f06aaec95664ee31fead4
SHA512

299011aff7cf8e9d2c2b74f0ffa64ea733516fb22f4aeed0400c5e3da9f548199024ce7317d849c4af27c3c9de95bc947eaa3f3ffc0e211d94cf60ec4c71f7b2

Score

10^/10

dridex 22201 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

45.79.33.48:443

139.162.202.74:5007

68.183.216.174:7443

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	1184	1728	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/1832-73-0x000000006AA80000-0x000000006AAB0000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

6 1184 mshta.exe
Downloads MZ/PE file
Loads dropped DLL 4 IoCs

Processes:

rundll32.exe

pid process

1832 rundll32.exe
1832 rundll32.exe
1832 rundll32.exe
1832 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	1184	mshta.exe

pid	process
1832	rundll32.exe
1832	rundll32.exe
1832	rundll32.exe
1832	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
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
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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
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 (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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	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

1728 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1728 EXCEL.EXE
1728 EXCEL.EXE
1728 EXCEL.EXE
1728 EXCEL.EXE
1728 EXCEL.EXE

pid	process
1728	EXCEL.EXE

pid	process
1728	EXCEL.EXE
1728	EXCEL.EXE
1728	EXCEL.EXE
1728	EXCEL.EXE
1728	EXCEL.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

EXCEL.EXEmshta.exe

description	pid	process	target process
PID 1728 wrote to memory of 1184	1728	EXCEL.EXE	mshta.exe
PID 1728 wrote to memory of 1184	1728	EXCEL.EXE	mshta.exe
PID 1728 wrote to memory of 1184	1728	EXCEL.EXE	mshta.exe
PID 1728 wrote to memory of 1184	1728	EXCEL.EXE	mshta.exe
PID 1184 wrote to memory of 1832	1184	mshta.exe	rundll32.exe
PID 1184 wrote to memory of 1832	1184	mshta.exe	rundll32.exe
PID 1184 wrote to memory of 1832	1184	mshta.exe	rundll32.exe
PID 1184 wrote to memory of 1832	1184	mshta.exe	rundll32.exe
PID 1184 wrote to memory of 1832	1184	mshta.exe	rundll32.exe
PID 1184 wrote to memory of 1832	1184	mshta.exe	rundll32.exe
PID 1184 wrote to memory of 1832	1184	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\SecuriteInfo.com.VB.Trojan.Valyria.5105.29893.19434.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728

C:\Windows\SysWOW64\mshta.exe
mshta C:\ProgramData//theExcel2FarEast.sct
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1184

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\ProgramData\qRangeAutoFormatReport3.dll,AddLookaside
3⤵
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1832

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\qRangeAutoFormatReport3.dll
MD5
fde6b5be428ee0956ab4ef231ed21dd7

SHA1
a223c73bdf81d1cee58b20bfaeab412c0b2a99d9

SHA256
b60c01e98969144fc8d3229a9d3b82de13879444d91f558ea4483547141b85a5

SHA512
9f5de9a37e2e61622d2d1c8e8c52d39f782c093d64feeffd5fc3b7f5a53f8258a80a274c58a4d15651c8e1c4f219a7856aa5f864b449ffc9d2c6566ad6a0209e

Download Submit
C:\ProgramData\theExcel2FarEast.sct
MD5
d502793876b466c8d509f07f69dd6647

SHA1
b4e10b05725012686f5ae04df9c29df280d8687c

SHA256
17fa31bbdfae8ac22fca19c90c18e0a97e50400f889bdc73d1fa940d16a791f5

SHA512
d135b0528e4e32f8a4b9508078385a1c2e95b8068d3dc771c0a5a51942278624ee9d0f730e77d3684c103ce422ebf923e9bfb62152e7c48db06251ec06a79856

Download Submit
\ProgramData\qRangeAutoFormatReport3.dll
MD5
fde6b5be428ee0956ab4ef231ed21dd7

SHA1
a223c73bdf81d1cee58b20bfaeab412c0b2a99d9

SHA256
b60c01e98969144fc8d3229a9d3b82de13879444d91f558ea4483547141b85a5

SHA512
9f5de9a37e2e61622d2d1c8e8c52d39f782c093d64feeffd5fc3b7f5a53f8258a80a274c58a4d15651c8e1c4f219a7856aa5f864b449ffc9d2c6566ad6a0209e

Download Submit
\ProgramData\qRangeAutoFormatReport3.dll
MD5
fde6b5be428ee0956ab4ef231ed21dd7

SHA1
a223c73bdf81d1cee58b20bfaeab412c0b2a99d9

SHA256
b60c01e98969144fc8d3229a9d3b82de13879444d91f558ea4483547141b85a5

SHA512
9f5de9a37e2e61622d2d1c8e8c52d39f782c093d64feeffd5fc3b7f5a53f8258a80a274c58a4d15651c8e1c4f219a7856aa5f864b449ffc9d2c6566ad6a0209e

Download Submit
\ProgramData\qRangeAutoFormatReport3.dll
MD5
fde6b5be428ee0956ab4ef231ed21dd7

SHA1
a223c73bdf81d1cee58b20bfaeab412c0b2a99d9

SHA256
b60c01e98969144fc8d3229a9d3b82de13879444d91f558ea4483547141b85a5

SHA512
9f5de9a37e2e61622d2d1c8e8c52d39f782c093d64feeffd5fc3b7f5a53f8258a80a274c58a4d15651c8e1c4f219a7856aa5f864b449ffc9d2c6566ad6a0209e

Download Submit
\ProgramData\qRangeAutoFormatReport3.dll
MD5
fde6b5be428ee0956ab4ef231ed21dd7

SHA1
a223c73bdf81d1cee58b20bfaeab412c0b2a99d9

SHA256
b60c01e98969144fc8d3229a9d3b82de13879444d91f558ea4483547141b85a5

SHA512
9f5de9a37e2e61622d2d1c8e8c52d39f782c093d64feeffd5fc3b7f5a53f8258a80a274c58a4d15651c8e1c4f219a7856aa5f864b449ffc9d2c6566ad6a0209e

Download Submit
memory/1184-63-0x0000000000000000-mapping.dmp

Download
memory/1184-64-0x0000000075971000-0x0000000075973000-memory.dmp

Filesize
8KB

Download
memory/1728-60-0x000000002F1C1000-0x000000002F1C4000-memory.dmp

Filesize
12KB

Download
memory/1728-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1728-61-0x00000000716F1000-0x00000000716F3000-memory.dmp

Filesize
8KB

Download
memory/1728-76-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1832-66-0x0000000000000000-mapping.dmp

Download
memory/1832-73-0x000000006AA80000-0x000000006AAB0000-memory.dmp

Filesize
192KB

Download
memory/1832-75-0x00000000001C0000-0x00000000001C6000-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