dridex | b1a2cf62b4b29dea94d88ceeaf75c99e83f7674e055c0824a4519a5827b331b3

Analysis

max time kernel
89s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
15/04/2021, 01:33

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General

Target
b1a2cf62b4b29dea94d88ceeaf75c99e83f7674e055c0824a4519a5827b331b3.dll
Size 162KB
Sample210415-mlkyc8zgln
SHA256 b1a2cf62b4b29dea94d88ceeaf75c99e83f7674e055c0824a4519a5827b331b3
MD5 4db925efd4e7c1323c81ca76573edb45
SHA1 35e2e39fc74feee4d270e599ee76c0a6a6a85369
SHA512 48e01995dbbb8696f90a7cdb6c58cc3bf56d675e490198f98f66fdee940ff670c8f2b6f20cea472c01ea3ede04206a507a33531ff81d3b9426b017da89a94669
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/3224-115-0x0000000073BF0000-0x0000000073C1E000-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 3176 wrote to memory of 3224	3176	rundll32.exe	70
PID 3176 wrote to memory of 3224	3176	rundll32.exe	70
PID 3176 wrote to memory of 3224	3176	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1a2cf62b4b29dea94d88ceeaf75c99e83f7674e055c0824a4519a5827b331b3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1a2cf62b4b29dea94d88ceeaf75c99e83f7674e055c0824a4519a5827b331b3.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3224

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/3224-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

Download

memory/3224-117-0x0000000000B40000-0x0000000000B46000-memory.dmp