dridex | 7b661adec3a5c6ed4e51f2d5af2aa699d6f4e42798c99a0ae5d4f9dbe4a5e7a6

Analysis

max time kernel
30s
max time network
138s
platform
windows10_x64
resource
win10v20210408
submitted
14/05/2021, 22:02

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General

Target
42b610a8_by_Libranalysis.dll
Size 162KB
Sample210514-5j2sbm14cj
SHA256 7b661adec3a5c6ed4e51f2d5af2aa699d6f4e42798c99a0ae5d4f9dbe4a5e7a6
MD5 42b610a8a0d24dab65be446ff318ab5f
SHA1 4fce3611026930559f5066016e1b052f98c5be3f
SHA512 f72383330b2c90c0013d29a70e5e86f3945bc1026331f27a0dc4e2a958789573b574f2bb8210e12aaf6568764a78b194cee327c9f06a444103fa16b9d3c0b151
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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

resource	yara_rule
behavioral2/memory/3964-115-0x0000000073990000-0x00000000739BE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 408 wrote to memory of 3964	408	rundll32.exe	70
PID 408 wrote to memory of 3964	408	rundll32.exe	70
PID 408 wrote to memory of 3964	408	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\42b610a8_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:408
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\42b610a8_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3964

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/3964-115-0x0000000073990000-0x00000000739BE000-memory.dmp

Download

memory/3964-117-0x0000000004AA0000-0x0000000004AA6000-memory.dmp