dridex | c9843b6e4015374ff8049d9f0fed174a1aa690d7da3cb459922eae885006184a

General

Target

SecuriteInfo.com.VB.Trojan.Valyria.5105.12283.5313.xlsm
Size

89KB
MD5

998a996a2371923b05250adc50f2c88c
SHA1

5dcff5955a7d6f0d5cb09074663feda9e8b6fe83
SHA256

c9843b6e4015374ff8049d9f0fed174a1aa690d7da3cb459922eae885006184a
SHA512

c627d06392672cb56f0e06f98f00f4918897b083a765da36f6869d466a6eedead1ffcc328965955346667768fdab6aeb8cf166539daf3036a53c5e6c75275259

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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3380	632	mshta.exe	EXCEL.EXE

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/912-288-0x0000000073FB0000-0x0000000073FE0000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

26 3380 mshta.exe
Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

912 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

flow	pid	process
26	3380	mshta.exe

pid	process
912	rundll32.exe

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

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

632 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE
632	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXEmshta.exerundll32.exe

description	pid	process	target process
PID 632 wrote to memory of 3380	632	EXCEL.EXE	mshta.exe
PID 632 wrote to memory of 3380	632	EXCEL.EXE	mshta.exe
PID 3380 wrote to memory of 2784	3380	mshta.exe	rundll32.exe
PID 3380 wrote to memory of 2784	3380	mshta.exe	rundll32.exe
PID 2784 wrote to memory of 912	2784	rundll32.exe	rundll32.exe
PID 2784 wrote to memory of 912	2784	rundll32.exe	rundll32.exe
PID 2784 wrote to memory of 912	2784	rundll32.exe	rundll32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.VB.Trojan.Valyria.5105.12283.5313.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SYSTEM32\mshta.exe
mshta C:\ProgramData//theDialogOptionsCalculation.sct
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:3380

C:\Windows\SYSTEM32\rundll32.exe
rundll32.exe C:\ProgramData\qScrollBar.dll,AddLookaside
3⤵
- Suspicious use of WriteProcessMemory
PID:2784

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\ProgramData\qScrollBar.dll,AddLookaside
4⤵
- Loads dropped DLL
- Checks whether UAC is enabled
PID:912

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\qScrollBar.dll
MD5
203b35bfa85400c0449981b9e183a51f

SHA1
ea36eb950fc0cfbca431b239310b9c72a9b6e198

SHA256
a287d7ed59560f6bc9810f63fbcb1dac9c85994306805e0197ec24ab695f14c7

SHA512
58cb0615813ba8bb2df3dce85b07dadc5502ab2e5875bb827836f71b0dbe543e1f6e541757f490b5554408e444c0b2b79797c991d595fa448bcc2c7b32987c3e

Download Submit
C:\ProgramData\theDialogOptionsCalculation.sct
MD5
8206451e9ae57b8d68dfaa221be4ac68

SHA1
6518d1f303dffc52a9f940b211b7300eb33f0178

SHA256
f03e8b823b0ee4420a82ee7e9594cddc3ffb38f04685846498a57808ab167d78

SHA512
722e105e5545de54b3db97f9421933674bd20fbadde220fde126e046d0a571ed0db1fbb084cb5f790d9a889dcdfcfbab275bf5be6a5070a95eec935b2900915a

Download Submit
\ProgramData\qScrollBar.dll
MD5
203b35bfa85400c0449981b9e183a51f

SHA1
ea36eb950fc0cfbca431b239310b9c72a9b6e198

SHA256
a287d7ed59560f6bc9810f63fbcb1dac9c85994306805e0197ec24ab695f14c7

SHA512
58cb0615813ba8bb2df3dce85b07dadc5502ab2e5875bb827836f71b0dbe543e1f6e541757f490b5554408e444c0b2b79797c991d595fa448bcc2c7b32987c3e

Download Submit
memory/632-117-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-118-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-119-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-122-0x00007FFAE5580000-0x00007FFAE666E000-memory.dmp

Filesize
16.9MB

Download
memory/632-123-0x00007FFAE35D0000-0x00007FFAE54C5000-memory.dmp

Filesize
31.0MB

Download
memory/632-72171-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-114-0x00007FF6C1CE0000-0x00007FF6C5296000-memory.dmp

Filesize
53.7MB

Download
memory/632-72167-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-116-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-72168-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-115-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/632-72165-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/912-290-0x0000000000550000-0x000000000069A000-memory.dmp

Filesize
1.3MB

Download
memory/912-288-0x0000000073FB0000-0x0000000073FE0000-memory.dmp

Filesize
192KB

Download
memory/912-286-0x0000000000000000-mapping.dmp

Download
memory/2784-284-0x0000000000000000-mapping.dmp

Download
memory/3380-280-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads