dridex | 2729e1b62e80d9bb6d6606deafae9407fb3084516e6c1b9cea8bee86e3718a45

Analysis

max time kernel
86s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
11/05/2021, 00:01

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General

Target
64d34242_by_Libranalysis.dll
Size 162KB
Sample210511-g65xde2rt6
SHA256 2729e1b62e80d9bb6d6606deafae9407fb3084516e6c1b9cea8bee86e3718a45
MD5 64d34242bbebb3a3761bb2973c826ee0
SHA1 8615f4d6d2a19133db68a827d171e1aa92a9b48f
SHA512 0afc820ccbd9316640af1cf6003c2258f943f5614c437077affe3aaa884b1b6928071f7874f7897e814afbca6b4a39d4f90905781e75b4e6e2a2594440abd643
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/1248-115-0x0000000073A90000-0x0000000073ABE000-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 512 wrote to memory of 1248	512	rundll32.exe	58
PID 512 wrote to memory of 1248	512	rundll32.exe	58
PID 512 wrote to memory of 1248	512	rundll32.exe	58

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\64d34242_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\64d34242_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1248

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/1248-115-0x0000000073A90000-0x0000000073ABE000-memory.dmp

Download

memory/1248-117-0x0000000000DF0000-0x0000000000DF6000-memory.dmp