dridex | 80321fa4060c418b0c71ed6daf23dca3797f4d624e66a4d315173dfb5c94da8e

Analysis

max time kernel
23s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:18

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General

Target

80321fa4060c418b0c71ed6daf23dca3797f4d624e66a4d315173dfb5c94da8e.dll
Size

154KB
MD5

fada5bcb911b859e82083b0ca82c649f
SHA1

fc3ee85ae981e107e75133a07655d74303c7765f
SHA256

80321fa4060c418b0c71ed6daf23dca3797f4d624e66a4d315173dfb5c94da8e
SHA512

cfbbee23ae1b92e49c0e3f9b3208c35b5dd6fc0d6bb31b3c126ee3d693252463abd90c68576638a3526908fd9898a6582563bb769179e20d3ee49b13e60b9eda

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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
behavioral2/memory/3192-115-0x0000000074380000-0x00000000743AD000-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 3192	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 3192	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 3192	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\80321fa4060c418b0c71ed6daf23dca3797f4d624e66a4d315173dfb5c94da8e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\80321fa4060c418b0c71ed6daf23dca3797f4d624e66a4d315173dfb5c94da8e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3192

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/3192-114-0x0000000000000000-mapping.dmp

Download
memory/3192-115-0x0000000074380000-0x00000000743AD000-memory.dmp

Filesize
180KB

Download
memory/3192-117-0x0000000002EB0000-0x0000000002FFA000-memory.dmp

Filesize
1.3MB

Download