dridex | c3f50357887369511aa6f52650caa6685099e9dfac3ce912ce816a0c4500859f

Analysis

max time kernel
19s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
26-06-2021 15:47

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General

Target

c3f50357887369511aa6f52650caa6685099e9dfac3ce912ce816a0c4500859f.dll
Size

160KB
MD5

27340e9b653df0e0ea7c2324c01fe0c2
SHA1

0d25651e3e2074cfb0d91b65007553353f54cdba
SHA256

c3f50357887369511aa6f52650caa6685099e9dfac3ce912ce816a0c4500859f
SHA512

a0354c20fee51a747fe2c039e9c4e5e0bba000ab9ce67a44d62c44c640f2b7e78a61a6898318501efdc102ce8873c814c3c13782cd78dea562cae89b5fcea9f3

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/3236-115-0x00000000735E0000-0x000000007360E000-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 3968 wrote to memory of 3236	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 3236	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 3236	3968	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3f50357887369511aa6f52650caa6685099e9dfac3ce912ce816a0c4500859f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3f50357887369511aa6f52650caa6685099e9dfac3ce912ce816a0c4500859f.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3236

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3236-114-0x0000000000000000-mapping.dmp

Download
memory/3236-115-0x00000000735E0000-0x000000007360E000-memory.dmp

Filesize
184KB

Download
memory/3236-117-0x00000000026F0000-0x000000000283A000-memory.dmp

Filesize
1.3MB

Download