dridex | 6599103c837897d2bbbc44c34dd4ddaa5683aef7d8c009150f0d279f596bb8fb

Analysis

max time kernel
26s
max time network
75s
platform
windows10_x64
resource
win10v20210408
submitted
16/06/2021, 02:33

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General

Target
6599103c837897d2bbbc44c34dd4ddaa5683aef7d8c009150f0d279f596bb8fb.dll
Size 162KB
Sample210616-5bkhqs29bx
SHA256 6599103c837897d2bbbc44c34dd4ddaa5683aef7d8c009150f0d279f596bb8fb
MD5 55b18dc8aa2b5c7b63f3b4b902590d96
SHA1 48c19f66f5ecce2e9f90321a7cc959383b7a9d65
SHA512 e0fb92c0875d18dcc23c4af67c4032e10f3a094ac2a92b4e71c66ad27c05d19d86faf2abd66bb5ac5302436196cd9a2c0cf97d4f47c89b88167a83504e55ace7
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
behavioral1/memory/2524-115-0x0000000073A70000-0x0000000073A9E000-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 668 wrote to memory of 2524	668	rundll32.exe	70
PID 668 wrote to memory of 2524	668	rundll32.exe	70
PID 668 wrote to memory of 2524	668	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6599103c837897d2bbbc44c34dd4ddaa5683aef7d8c009150f0d279f596bb8fb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6599103c837897d2bbbc44c34dd4ddaa5683aef7d8c009150f0d279f596bb8fb.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2524

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/2524-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp

Download

memory/2524-117-0x0000000003630000-0x0000000003636000-memory.dmp