dridex | 1fe8288a664c474b184e80de51d6da02f17a24e1e0928e2d75f4aaa2fd0f0094

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
29-06-2021 02:49

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General

Target

1fe8288a664c474b184e80de51d6da02f17a24e1e0928e2d75f4aaa2fd0f0094.dll
Size

160KB
MD5

a6fc3f439ce5af0212ce0c604e78fd0c
SHA1

945fa6b945f622814aa498761c48f91f5e9efdf3
SHA256

1fe8288a664c474b184e80de51d6da02f17a24e1e0928e2d75f4aaa2fd0f0094
SHA512

da44ee6aa76f95a02752281493507563166e42ba524f87b9eb4bab66cca2486255aa7a64b53f3da066aaa3b2ac5883a7d4a32e1d20805aa8113758e77bcd3ad6

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/3744-115-0x00000000739D0000-0x00000000739FE000-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 3904 wrote to memory of 3744	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 3744	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 3744	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1fe8288a664c474b184e80de51d6da02f17a24e1e0928e2d75f4aaa2fd0f0094.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1fe8288a664c474b184e80de51d6da02f17a24e1e0928e2d75f4aaa2fd0f0094.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3744

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/3744-114-0x0000000000000000-mapping.dmp

Download
memory/3744-115-0x00000000739D0000-0x00000000739FE000-memory.dmp

Filesize
184KB

Download
memory/3744-117-0x0000000002FF0000-0x000000000313A000-memory.dmp

Filesize
1.3MB

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