dridex | b9874417b0c5cbd137da499aa145a472dd5b670b27bef9e482cf28512b5361cb

Analysis

max time kernel
107s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 20:01

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General

Target

b9874417b0c5cbd137da499aa145a472dd5b670b27bef9e482cf28512b5361cb.dll
Size

157KB
MD5

69d0e8a42c0df913410bf5c747201ccc
SHA1

32aecbac8f4c0ee193023a5c97355991e7bbad30
SHA256

b9874417b0c5cbd137da499aa145a472dd5b670b27bef9e482cf28512b5361cb
SHA512

ad8f190a0c810431f8c80bb9b90b559cae8098c5b597a1dea3ca037edb3a2196e4921ab664c83bbbd32827cd31be14345d2b2483be1e8fff967e991780711329

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/988-115-0x0000000074300000-0x000000007432D000-memory.dmp	dridex_ldr

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

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 624 wrote to memory of 988	624	rundll32.exe	rundll32.exe
PID 624 wrote to memory of 988	624	rundll32.exe	rundll32.exe
PID 624 wrote to memory of 988	624	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9874417b0c5cbd137da499aa145a472dd5b670b27bef9e482cf28512b5361cb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:624

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9874417b0c5cbd137da499aa145a472dd5b670b27bef9e482cf28512b5361cb.dll,#1
2⤵
- Checks whether UAC is enabled
PID:988

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/988-114-0x0000000000000000-mapping.dmp

Download
memory/988-115-0x0000000074300000-0x000000007432D000-memory.dmp

Filesize
180KB

Download
memory/988-117-0x0000000000550000-0x000000000069A000-memory.dmp

Filesize
1.3MB

Download