dridex | f4fb96704c00e244912efb7a09b3f68dc5c6bc514919139e0b2b423fd4c608f6

Analysis

max time kernel
27s
max time network
115s
platform
windows10_x64
resource
win10v20210408
submitted
19-06-2021 07:13

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General

Target

f4fb96704c00e244912efb7a09b3f68dc5c6bc514919139e0b2b423fd4c608f6.dll
Size

160KB
MD5

ecef1e23354a4d4027281615dc817669
SHA1

870c5019895d346492b32fd87cbc3f14a95a2c00
SHA256

f4fb96704c00e244912efb7a09b3f68dc5c6bc514919139e0b2b423fd4c608f6
SHA512

b2f47281c7786a822eed7b6c3c746ccee73005bd0d12de8a847ed0d4c5325f08c572a48a6e6c31b6c46a30b72d7453fbf91f8c9864fe8458b77b9024fcac9a52

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/1212-115-0x0000000073ED0000-0x0000000073EFE000-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 900 wrote to memory of 1212	900	rundll32.exe	rundll32.exe
PID 900 wrote to memory of 1212	900	rundll32.exe	rundll32.exe
PID 900 wrote to memory of 1212	900	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4fb96704c00e244912efb7a09b3f68dc5c6bc514919139e0b2b423fd4c608f6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:900
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4fb96704c00e244912efb7a09b3f68dc5c6bc514919139e0b2b423fd4c608f6.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1212

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/1212-114-0x0000000000000000-mapping.dmp

Download
memory/1212-115-0x0000000073ED0000-0x0000000073EFE000-memory.dmp

Filesize
184KB

Download
memory/1212-117-0x0000000002C00000-0x0000000002D4A000-memory.dmp

Filesize
1.3MB

Download