dridex | f7be3d43d91aaf0ba8f50495014d51cff0224d70022e6402dfbb253052425aae

Analysis

max time kernel
64s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
30/04/2021, 04:04

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General

Target
e669f7da_by_Libranalysis.dll
Size 162KB
Sample210430-a7j4qnn4ma
SHA256 f7be3d43d91aaf0ba8f50495014d51cff0224d70022e6402dfbb253052425aae
MD5 e669f7da320e9f5b535cfa0e7414c960
SHA1 1a70e2a75c8a518bf5e8b492923e0296bfe3d2da
SHA512 7f3dc06b175f6cffedddc0265911328d14c7b0f8671b321f0a6f9f5f8f6854ed1dc024cd6f177c840ec85151683417ed52452dab870daefc7a763ffb5d4edb04
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/4032-115-0x0000000073BF0000-0x0000000073C1E000-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 500 wrote to memory of 4032	500	rundll32.exe	71
PID 500 wrote to memory of 4032	500	rundll32.exe	71
PID 500 wrote to memory of 4032	500	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e669f7da_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e669f7da_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4032

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/4032-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

Download

memory/4032-117-0x0000000000A10000-0x0000000000B5A000-memory.dmp